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003—Delphi 7程序设计与开发技术大全.pdf

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目 录
第 1 章 Delphi 概述······················································································································1
1.1 Delphi 介绍······················································································································1
1.2 Delphi 7 的主要特性·······································································································2
1.2.1 熟悉语言特性······································································································2
1.2.2 丰富的组件··········································································································2
1.2.3 功能强大的数据库访问技术···············································································3
1.2.4 便捷的 Internet 编程技术····················································································3
1.3 Delphi 7 的安装与卸载···································································································3
1.3.1 Delphi 7 的安装 ···································································································3
1.3.2 Delphi 7 的卸载 ···································································································6
第 2 章 Delphi 7 的集成开发环境 ·······························································································8
2.1 集成开发环境中的窗口元素 ··························································································8
2.1.1 对象编辑器··········································································································8
2.1.2 工程管理器··········································································································8
2.1.3 代码编辑器··········································································································9
2.1.4 对象浏览器········································································································ 11
2.1.5 调试器················································································································ 11
2.2 集成开发环境中的操作界面 ························································································13
2.2.1 主菜单················································································································13
2.2.2 工具栏················································································································18
2.2.3 组件面板············································································································19
2.3 定制集成开发环境········································································································19
2.3.1 定制编程环境····································································································19
2.3.2 定制代码编辑器 ································································································20
2.3.3 定制工具栏········································································································20
2.3.4 定制组件面板····································································································21
2.3.5 定制窗口位置····································································································22
2.3.6 保存当前定制····································································································22
2.4 附属工具 ·······················································································································23
2.4.1 Database Desktop ·······························································································23
2.4.2 数据库引擎(BDE Administrator)··································································29
2.4.3 SQL Explorer······································································································30
2.4.4 Data Pump ··········································································································31
2.4.5 Image Editor·······································································································32
Delphi 7 程序设计与开发技术大全
·2·
2.5 使用帮助系统················································································································34
第 3 章 应用程序框架················································································································35
3.1 创建一个简单的 Delphi 程序 ·······················································································35
3.2 构成 Delphi 工程的文件·······························································································38
3.2.1 工程文件(.dpr)······························································································38
3.2.2 单元文件(.pas)······························································································38
3.2.3 窗体文件(.dfm)·····························································································40
3.2.4 资源文件(.res)·······························································································41
3.2.5 工程选项及桌面配置文件(.dof)···································································42
3.2.6 中间编译单元(.dcu)······················································································42
3.2.7 备份文件(.~ pas)························································································42
3.2.8 包文件(.dpk)·································································································42
3.3 Delphi 项目的框架类····································································································42
3.3.1 TForm 类············································································································43
3.3.2 TApplication 类··································································································45
3.3.3 TScreen 类··········································································································48
3.4 Delphi 的公共体系结构································································································48
3.4.1 Delphi 固有的体系结构·····················································································48
3.4.2 多文档应用程序 ································································································49
3.4.3 数据库模块窗体 ································································································50
3.4.4 网络模块窗体····································································································51
3.5 Delphi 工程的常见管理方法 ························································································51
3.5.1 工程的目录结构 ································································································51
3.5.2 专用单元存放公共代码·····················································································52
3.5.3 管理多个工程····································································································52
第 4 章 Object Pascal 语言·········································································································53
4.1 语言基础 ·······················································································································53
4.1.1 Object Pascal 语言编写环境··············································································53
4.1.2 注释语句············································································································54
4.1.3 标识符················································································································54
4.1.4 保留字和指令字 ································································································55
4.1.5 数据类型与定义变量 ························································································56
4.1.6 Object Pascal 的运算符······················································································64
4.1.7 语句····················································································································65
4.1.8 过程与函数········································································································69
4.1.9 规范化命名········································································································74
4.2 面向对象的特性············································································································75
4.2.1 类和对象············································································································75
4.2.2 类的定义············································································································75
4.2.3 类的封装············································································································76
目录
·3·
4.2.4 类的继承············································································································76
4.2.5 构造与析构········································································································77
4.2.6 方法····················································································································80
4.2.7 多态性················································································································82
4.2.8 类运算符············································································································85
4.2.9 类方法和类引用 ································································································87
4.3 结构化异常处理············································································································89
4.3.1 Try...Except 语句和 Try...Finally 语句·······························································89
4.3.2 Raise 语句··········································································································91
4.3.3 异常类················································································································92
4.4 方法与技巧 ···················································································································92
4.4.1 设置代码模板····································································································92
4.4.2 设置提示信息····································································································93
第 5 章 使用 VCL 组件编程······································································································94
5.1 可视化类库(VCL)····································································································94
5.1.1 VCL 类库结构···································································································94
5.1.2 组件运行机制····································································································95
5.2 VCL 常用基类···············································································································99
5.2.1 TPersistent 类·····································································································99
5.2.2 TComponent 类··································································································99
5.2.3 TControl 类 ······································································································100
5.2.4 TWinControl 类································································································100
5.2.5 TGraphicControl 类··························································································101
5.2.6 TCustomControl 类 ··························································································101
5.3 Delphi 组件··················································································································102
5.3.1 Delphi 组件的优势 ··························································································102
5.3.2 组件的分类······································································································102
5.3.3 组件的属性、事件和方法···············································································103
5.3.4 组件的基本操作 ······························································································106
5.4 使用 Delphi 组件编程·································································································107
5.4.1 示例功能··········································································································108
5.4.2 设置窗体··········································································································108
5.4.3 编写代码·········································································································· 110
第 6 章 常用 VCL 组件的使用 ································································································ 112
6.1 简单组件 ····················································································································· 112
6.1.1 标签组件(TLabel)······················································································· 112
6.1.2 按钮组件(TButton)····················································································· 115
6.1.3 复选框组件(TCheckBox) ··········································································· 116
6.1.4 单选框组件(TRadioButton)········································································ 117
6.1.5 下拉列表组件(TComboBox)······································································ 117
Delphi 7 程序设计与开发技术大全
·4·
6.1.6 窗格组件(TPanel)·······················································································120
6.1.7 滚动条组件(TScrollBar)·············································································121
6.1.8 单选分组框组件(TRadioGroup)·································································123
6.1.9 简单组件编程示例 ··························································································124
6.2 文本编辑组件··············································································································126
6.2.1 单行编辑框组件(TEdit)··············································································127
6.2.2 多行编辑框组件(TMemo)··········································································129
6.2.3 RTF 编辑组件(TRichEdit)··········································································130
6.2.4 格式输入组件(TMaskEdit)·········································································131
6.2.5 文本编辑组件编程示例···················································································133
6.3 分组组件 ·····················································································································139
6.3.1 Tab 组件(TTabControl)···············································································139
6.3.2 多页组件(TPageControl) ············································································141
6.3.3 Tab 表组件(TTabSheet) ··············································································143
6.3.4 分组组件编程示例 ··························································································145
6.4 图形显示组件··············································································································149
6.4.1 图像组件(TImage)······················································································149
6.4.2 位图组件(TBitMap)····················································································150
6.4.3 图形显示组件编程示例···················································································152
6.5 对话框组件 ·················································································································153
6.5.1 打开对话框组件(TOpenDialog)·································································153
6.5.2 另存为对话框组件(TSaveDialog)······························································156
6.5.3 打开图像对话框组件(TOpenPictureDialog) ··············································156
6.5.4 图像另存为对话框(TSavePictureDialog)···················································157
6.5.5 字体对话框(TFontDialog)··········································································157
6.5.6 颜色对话框(TColorDialog) ········································································158
6.5.7 打印对话框(TPrintDialog)··········································································159
6.5.8 打印设置对话框(TPrinterSetupDialog)······················································160
6.5.9 查找对话框(TFindDialog)··········································································160
6.5.10 替换对话框(TReplaceDialog)···································································161
6.5.11 对话框组件编程示例·····················································································162
第 7 章 高级 VCL 组件············································································································167
7.1 窗体组件 ·····················································································································167
7.1.1 表头组件(THeaderControl)·········································································167
7.1.2 状态栏组件(TStatusBar)·············································································169
7.1.3 工具栏组件(TToolBar)···············································································171
7.1.4 酷栏组件(TCoolBar)···················································································174
7.1.5 窗体组件编程实例 ··························································································175
7.2 菜单组件 ·····················································································································178
7.2.1 主菜单组件(TMainMenu)···········································································178
目录
·5·
7.2.2 弹出菜单组件(TPopMenu)·········································································180
7.2.3 菜单组件编程示例 ··························································································182
7.3 表格组件 ·····················································································································186
7.3.1 自绘栅格组件(TDrawGrid)········································································186
7.3.2 字符串栅格组件(TStringGrid) ···································································189
7.3.3 表格显示组件编程示例···················································································189
7.4 列表组件 ·····················································································································193
7.4.1 列表框组件(TListBox) ···············································································193
7.4.2 动作列表组件(TActionList)········································································196
7.4.3 图像列表组件(TImageList)········································································198
7.4.4 树型视图组件(TTreeView)·········································································203
7.4.5 列表视图组件(TListView)··········································································207
7.4.6 列表组件编程示例 ··························································································212
7.5 打印相关 ·····················································································································215
7.5.1 Quick Report 打印组件····················································································215
7.5.2 Rave Report 打印组件 ·····················································································217
第 8 章 窗体编程······················································································································218
8.1 窗体的分类 ·················································································································218
8.1.1 SDI 窗体 ··········································································································218
8.1.2 MDI 窗体·········································································································219
8.1.3 MPI 窗体··········································································································222
8.2 窗体的基本属性、方法和事件 ··················································································222
8.2.1 窗体的基本属性 ······························································································223
8.2.2 窗体的基本方法 ······························································································226
8.2.3 窗体的基本事件 ······························································································227
8.3 模式窗体与非模式窗体······························································································230
8.3.1 模式窗体··········································································································230
8.3.2 非模式窗体······································································································231
8.4 窗体示例 ·····················································································································231
第 9 章 事件处理······················································································································234
9.1 事件的定义及作用······································································································234
9.2 常用事件 ·····················································································································234
9.2.1 键盘事件··········································································································234
9.2.2 鼠标事件··········································································································235
9.3 拖曳事件 ·····················································································································235
9.4 事件编程示例··············································································································237
9.4.1 检测是否按下 Shift、Alt 或 Ctrl 键································································237
9.4.2 模拟按下键盘上的某个键···············································································238
9.4.3 限制鼠标移动的范围 ······················································································247
9.4.4 自定义鼠标······································································································248
Delphi 7 程序设计与开发技术大全
·6·
9.4.5 设置光标闪烁的速度 ······················································································249
9.4.6 不同程序间的拖曳操作···················································································251
第 10 章 文件和路径处理········································································································253
10.1 文件管理常用函数和过程 ························································································253
10.1.1 文件操作常用函数和过程·············································································253
10.1.2 目录操作函数和过程 ····················································································256
10.1.3 驱动器操作常用函数 ····················································································259
10.2 各种文件类型的输入输出 ························································································259
10.2.1 文本文件········································································································260
10.2.2 类型文件········································································································261
10.2.3 无类型文件····································································································263
10.3 映像内存的操作········································································································264
10.3.1 映像内存函数································································································265
10.3.2 内存映像的步骤 ····························································································266
10.3.3 内存映像示例································································································267
10.4 目录和驱动器············································································································272
10.4.1 获取 System 目录···························································································272
10.4.2 获取 Windows 目录 ·······················································································273
10.4.3 获取当前目录································································································273
10.4.4 获取可用驱动器信息 ····················································································274
第 11 章 GDI 和图像编程········································································································276
11.1 Delphi 的绘图类········································································································276
11.1.1 画布类(TCanvas) ······················································································276
11.1.2 画笔类(TPen)····························································································282
11.1.3 画刷类(TBrush) ························································································285
11.1.4 颜色类(TColor)·························································································286
11.2 画图程序····················································································································287
11.2.1 界面设计········································································································287
11.2.2 代码设计········································································································290
11.2.3 菜单设计········································································································294
11.3 坐标系统和映射模式································································································297
11.3.1 设备坐标系····································································································298
11.3.2 逻辑坐标系····································································································298
11.3.3 屏幕坐标系····································································································298
11.3.4 窗体坐标系····································································································298
11.3.5 坐标映射········································································································299
11.3.6 设置映射模式 ································································································300
11.3.7 设置窗口范围 ································································································300
11.3.8 映射模式示例 ································································································301
11.4 图像格式处理············································································································303
目录
·7·
11.5 GDI 字体 ···················································································································305
11.5.1 Win32 字体类型·····························································································305
11.5.2 基本字体元素 ································································································305
11.5.3 GDI 字体分类································································································306
11.5.4 显示不同字体 ································································································307
11.5.5 实际创建一种字体 ························································································307
第 12 章 多媒体技术················································································································310
12.1 多媒体技术概述········································································································310
12.1.1 MPC 标准·······································································································310
12.1.2 多媒体技术应用领域 ····················································································310
12.1.3 开发多媒体应用程序的工具········································································· 311
12.2 特殊显示效果············································································································312
12.2.1 基本原理········································································································313
12.2.2 使用 CopyRect 实现特效···············································································313
12.2.3 使用 BitBlt 实现特效·····················································································314
12.3 动画···························································································································319
12.3.1 文字动画········································································································319
12.3.2 图像动画········································································································320
12.4 音频与视频················································································································322
12.4.1 WAV 与 MIDI 文件简介················································································322
12.4.2 AVI 文件格式·································································································324
12.4.3 TMediaPlayer 组件的使用·············································································325
12.5 MessageBeep( )函数··································································································328
12.6 PlaySound( )函数·······································································································329
12.7 mciSendString( )函数·································································································330
第 13 章 消息处理技术············································································································333
13.1 Windows 消息 ···········································································································333
13.1.1 了解消息········································································································333
13.1.2 消息结构········································································································333
13.1.3 消息类型········································································································334
13.1.4 消息处理········································································································335
13.1.5 应用程序的消息循环 ····················································································338
13.2 Delphi 消息处理机制································································································339
13.2.1 消息处理函数································································································339
13.2.2 应用程序消息································································································340
13.3 发送消息 ···················································································································341
13.3.1 Perform()函数 ································································································341
13.3.2 SendMessage( )和 PostMessage( )函数··························································341
13.4 消息和事件················································································································341
13.4.1 消息和事件的工作原理·················································································341
Delphi 7 程序设计与开发技术大全
·8·
13.4.2 消息与事件的对应关系·················································································343
13.4.3 使用 Windows 消息处理 Delphi 没有的事件 ···············································343
13.5 消息处理编程示例····································································································346
第 14 章 多线程编程················································································································348
14.1 线程的基础知识········································································································348
14.1.1 进程与线程关系 ····························································································348
14.1.2 多线程应用条件 ····························································································349
14.2 VCL 线程对象···········································································································351
14.2.1 TThread 类 ·····································································································351
14.2.2 线程函数········································································································354
14.2.3 线程的挂起与继续 ························································································355
14.2.4 线程的终止与异常处理·················································································356
14.3 管理多线程················································································································357
14.3.1 线程同步技术································································································357
14.3.2 线程优先级····································································································358
14.4 多线程示例················································································································365
第 15 章 动态链接库和组件包 ································································································374
15.1 动态链接库概述········································································································374
15.1.1 动态链接库的概念 ························································································374
15.1.2 Windows 系统的动态链接库·········································································374
15.1.3 动态链接与静态链接 ····················································································375
15.1.4 DLL 和系统变量 ···························································································376
15.1.5 DLL 的入口点函数························································································376
15.1.6 DLL 和内存管理 ···························································································377
15.1.7 DLL 中的数据 ·······························································································377
15.1.8 DLL 中的异常和运行时错误········································································377
15.2 创建和调用 DLL·······································································································378
15.2.1 创建 DLL 的基本步骤···················································································378
15.2.2 调用 DLL ·······································································································381
15.3 在 DLL 中封装窗体··································································································384
15.4 使用 DLL 共享数据··································································································386
15.4.1 内存映射文件的概念 ····················································································386
15.4.2 与内存映射文件相关的函数·········································································387
15.4.3 使用内存映射文件在 DLL 中共享数据························································389
15.5 钩子函数 ···················································································································392
15.5.1 钩子链············································································································392
15.5.2 钩子函数········································································································392
15.5.3 钩子类型········································································································392
15.5.4 与使用钩子相关的函数·················································································394
15.5.5 使用钩子函数监测所有鼠标动作的实例 ·····················································395
目录
·9·
15.6 包和 DLL···················································································································398
15.6.1 为什么使用包································································································399
15.6.2 与包有关的文件类型 ····················································································399
15.6.3 运行时包········································································································399
15.6.4 设计时包········································································································401
15.6.5 创建和编辑包································································································403
15.6.6 配置包············································································································407
15.6.7 包集合文件····································································································408
15.6.8 使用包和 DLL ·······························································································409
第 16 章 开发新的 VCL 组件 ·································································································· 411
16.1 开发组件简介············································································································ 411
16.1.1 什么是组件···································································································· 411
16.1.2 为什么使用组件 ···························································································· 411
16.1.3 Delphi 的组件库基础·····················································································412
16.1.4 组件和类········································································································417
16.1.5 开发组件的要求 ····························································································417
16.1.6 如何选择新组件的基类·················································································419
16.1.7 开发新组件的基本步骤·················································································420
16.1.8 测试未安装的组件 ························································································423
16.1.9 测试已安装的组件 ························································································424
16.2 组件开发过程中的面向对象编程·············································································424
16.2.1 定义新类········································································································424
16.2.2 祖先、后代及类层次 ····················································································425
16.2.3 访问控制········································································································425
16.2.4 分派方式········································································································426
16.2.5 抽象类成员····································································································427
16.2.6 类和指针········································································································428
16.3 创建属性 ···················································································································428
16.3.1 属性的类型····································································································428
16.3.2 发布继承的属性 ····························································································428
16.3.3 定义属性········································································································428
16.3.4 存储和装载属性 ····························································································432
16.4 创建事件 ···················································································································434
16.4.1 事件定义········································································································434
16.4.2 怎样实现标准事件 ························································································436
16.4.3 定义新事件····································································································437
16.5 创建方法 ···················································································································439
16.5.1 避免互相依赖································································································439
16.5.2 命名方法的惯例 ····························································································439
16.5.3 保护方法········································································································440
Delphi 7 程序设计与开发技术大全
·10·
16.5.4 使方法变为虚方法 ························································································440
16.5.5 声明方法········································································································440
16.6 在组件中使用图形····································································································440
16.6.1 VCL 的图形接口 ···························································································441
16.6.2 使用 Canvas···································································································441
16.6.3 使用图形工作································································································441
16.6.4 脱屏位图(Off-Screen Bitmap)···································································443
16.6.5 对变化作出反应 ····························································································443
16.7 处理消息和系统通知································································································444
16.7.1 理解消息处理系统 ························································································444
16.7.2 改变消息处理方法 ························································································445
16.7.3 创建新的消息处理方法·················································································446
16.8 使组件在设计阶段可用····························································································448
16.8.1 注册组件········································································································448
16.8.2 安装组件到组件面板 ····················································································450
16.8.3 使组件的资源文件可用·················································································452
16.8.4 为组件设置位图 ····························································································453
16.8.5 为组件提供帮助 ····························································································454
16.8.6 增加属性编辑器 ····························································································454
16.8.7 加入组件编辑器 ····························································································457
16.9 修改现存的组件:制作非自动换行的 Memo 组件·················································460
16.9.1 创建并注册组件 ····························································································460
16.9.2 修改组件类····································································································461
16.10 开发图形组件:制作 Shape 图形组件···································································462
16.10.1 创建和注册组件 ··························································································462
16.10.2 发布继承的属性 ··························································································462
16.10.3 增加图形能力 ······························································································463
16.11 开发窗口控件:制作 Calendar 组件 ······································································468
16.11.1 创建并注册组件 ··························································································468
16.11.2 发布继承属性 ······························································································469
16.11.3 改变初始值 ··································································································470
16.11.4 重定义单元格大小·······················································································470
16.11.5 填充单元格 ··································································································471
16.11.6 跟踪日期······································································································472
16.11.7 导航月和年 ··································································································476
16.11.8 导航日期······································································································476
16.12 开发数据感知控件:制作数据感知的 Calender 组件···········································478
16.12.1 制作一个数据浏览控件···············································································478
16.12.2 制作一个数据编辑控件···············································································482
16.13 开发非可视组件:制作 Dialog 组件······································································486
目录
·11·
16.13.1 定义组件接口 ······························································································486
16.13.2 创建和注册组件 ··························································································487
16.13.3 创建组件接口 ······························································································487
16.13.4 测试对话框组件 ··························································································488
第 17 章 Delphi 两层数据库开发 ····························································································489
17.1 数据库基础知识········································································································489
17.1.1 数据库的出现和发展 ····················································································489
17.1.2 数据库的组成································································································491
17.1.3 数据库系统模型 ····························································································492
17.1.4 数据库的常用概念 ························································································494
17.1.5 目前流行的数据库介绍·················································································495
17.1.6 数据库开发的一般方法·················································································498
17.2 Delphi 的数据库体系结构 ························································································500
17.2.1 Delphi 数据库访问原理·················································································500
17.2.2 Delphi 与其他数据库开发工具的比较 ·························································502
17.2.3 Delphi 的数据库开发优势·············································································503
17.3 Delphi 支持的数据引擎 ····························································································503
17.3.1 BDE 数据库引擎 ···························································································504
17.3.2 ADO 数据库引擎···························································································504
17.3.3 dbExpress 数据库引擎···················································································505
17.3.4 Interbase 数据库引擎·····················································································506
17.4 数据访问组件············································································································506
17.4.1 数据库组件····································································································507
17.4.2 数据库连接组件 ····························································································512
17.4.3 数据集组件····································································································513
17.4.4 数据源组件····································································································535
17.5 数据感知组件············································································································537
17.5.1 单行字符字段编辑框组件(TDBText) ······················································538
17.5.2 单行字段编辑框组件(TDBEdit) ······························································542
17.5.3 多行字段编辑框组件(TDBMemo)···························································545
17.5.4 图像字段组件(TDBImage)·······································································550
17.5.5 字段列表框组件(TDBListBox) ································································551
17.5.6 字段下拉列表框组件(TDBComboBox)···················································554
17.5.7 参照字段列表框组件(TDBLookupListBox) ············································555
17.5.8 参照字段下拉列表框组件(TDBLookupComboBox)·······························557
17.5.9 记录导航组件(TDBNavigator)·································································559
17.5.10 表格组件(TDBGrid) ···············································································563
17.6 Delphi 的其他支持····································································································569
17.6.1 DataPump ·······································································································569
17.6.2 DataDesktop ···································································································572
Delphi 7 程序设计与开发技术大全
·12·
17.6.3 BDE 配置工具·······························································································581
17.6.4 SQL Explorer 实用工具·················································································582
17.7 如何连接数据库········································································································584
17.7.1 BDE 方式连接 Access···················································································584
17.7.2 ODBC 方式连接 Access················································································584
17.7.3 ADO 方式连接 Access···················································································588
17.7.4 连接文本文件································································································590
17.8 一些常用工具和数据字典的用法·············································································591
17.8.1 SQL 监视器 ···································································································591
17.8.2 数据字典········································································································591
第 18 章 客户/服务器编程·······································································································593
18.1 从桌面数据库到客户/服务器结构 ···········································································593
18.1.1 为什么要采用客户/服务器结构····································································593
18.1.2 客户/服务器体系结构 ···················································································594
18.2 服务器端的设计开发································································································596
18.2.1 数据库对象····································································································596
18.2.2 定义数据库表································································································596
18.2.3 使用域············································································································598
18.2.4 定义视图、存储过程和触发器·····································································598
18.2.5 业务规则········································································································603
18.2.6 数据库对象的访问权限·················································································604
18.3 客户端使用 SQL 服务器···························································································605
18.3.1 连接 SQL 服务器···························································································605
18.3.2 获得 SQL 数据库信息···················································································608
18.3.3 查询数据库····································································································608
18.3.4 数据库更新····································································································613
18.3.5 执行存储过程································································································614
第 19 章 多层数据库应用程序的开发·····················································································619
19.1 多层体系结构和技术概述 ························································································619
19.1.1 多层体系结构概述 ························································································619
19.1.2 多层体系结构的优点 ····················································································620
19.1.3 多层体系结构技术概述·················································································622
19.2 客户端程序开发········································································································628
19.2.1 客户端应用程序的结构·················································································628
19.2.2 创建客户端应用程序的步骤·········································································628
19.2.3 连接应用服务器 ····························································································629
19.2.4 管理应用服务器连接 ····················································································631
19.2.5 处理约束和客户端的差错控制·····································································632
19.2.6 数据更新········································································································632
19.3 服务器程序开发········································································································634
目录
·13·
19.3.1 创建应用服务器的步骤·················································································634
19.3.2 创建及配置远程数据模块·············································································636
19.3.3 建立 IProvider 接口 ·······················································································638
19.4 InternetExpress 扩展··································································································640
19.4.1 XML Broker 组件 ··························································································640
19.4.2 TinetXPageProducer 组件 ··············································································644
19.5 支持 CORBA 和 MTS·······························································································645
19.5.1 CORBA··········································································································645
19.5.2 MTS ···············································································································646
19.6 Briefcase(公文包)程序·························································································648
第 20 章 报表、图表和决策的支持 ························································································651
20.1 使用 QuickReport 组件创建报表··············································································651
20.1.1 安装 QReport 组件面板·················································································651
20.1.2 QuickReport 组件介绍···················································································652
20.1.3 报表向导········································································································660
20.2 使用 Rave 组件创建报表··························································································662
20.2.1 开发环境介绍································································································663
20.2.2 Rave 组件介绍·······························································································664
20.2.3 创建视图········································································································666
20.2.4 创建报表········································································································669
20.2.5 应用实例········································································································672
20.3 TeeChart 图表组件 ····································································································676
20.3.1 TeeChart 组件介绍·························································································676
20.3.2 TeeChart 组件常用属性和方法 ·····································································676
20.3.3 TeeChart 组件的使用·····················································································677
20.3.4 Series 对象介绍 ·····························································································679
20.3.5 创建数据库图表 ····························································································680
20.3.6 创建 QuickReport 图表··················································································682
20.3.7 使用 TeeChart 向导创建图表 ········································································682
20.3.8 图表的预览,打印和导出·············································································684
20.4 Decision Cube 决策组件 ···························································································685
20.4.1 Decision Cube 组件························································································685
20.4.2 Decision Query 组件 ······················································································688
20.4.3 Decision Grid 组件·························································································689
20.4.4 Decision Graph 组件 ······················································································692
20.4.5 Decision Pivot 组件························································································694
20.4.6 DecisionSource 组件······················································································697
第 21 章 从数据建模到系统开发 ····························································································698
21.1 软件工程介绍············································································································698
21.1.1 生命周期法····································································································698
Delphi 7 程序设计与开发技术大全
·14·
21.1.2 快速原型法····································································································700
21.2 数据库的建立············································································································702
21.2.1 需求分析········································································································702
21.2.2 数据建模········································································································703
21.2.3 设计规范化····································································································704
21.2.4 自动化设计工具 ····························································································704
21.3 设计用户端界面········································································································705
21.3.1 用户界面设计的基本原则·············································································705
21.3.2 Delphi 中用户界面设计·················································································706
21.4 基于 ADO 两层结构的实现······················································································707
21.5 使用多层结构的实现································································································708
21.5.1 基于 DataSnap 技术的多层数据库应用程序················································708
21.5.2 使用 Bussiness Broker Server 的多层数据库应用程序·································709
21.5.3 逻辑三层结构的数据库应用程序·································································709
21.6 发布到 Web ···············································································································710
21.7 “图书管理系统”示例···························································································· 711
21.7.1 程序功能及总体结构设计············································································· 711
21.7.2 数据库设计····································································································713
21.7.3 数据模块设计································································································713
21.7.4 用户登录模块的实现 ····················································································714
21.7.5 图书馆管理系统功能的实现·········································································717
21.7.6 修改图书记录模块的实现·············································································718
21.7.7 修改学生记录模块的实现·············································································721
21.7.8 修改密码设置模块的实现·············································································724
21.7.9 生成预约图书的报表 ····················································································726
21.7.10 生成催还图书的报表···················································································728
21.7.11 图书馆服务系统功能的实现·······································································731
21.7.12 查询、借阅及预约图书···············································································733
21.7.13 查询个人借阅情况及归还图书···································································741
21.7.14 小结··············································································································746
第 22 章 Internet 编程和 Indy 组件··························································································747
22.1 WinSock 基础············································································································747
22.1.1 TCP、UDP 和 IP ···························································································747
22.1.2 套接字(Socket) ·························································································748
22.1.3 客户/服务器模式···························································································749
22.1.4 面向连接的协议套接字的调用·····································································750
22.1.5 面向无连接协议的套接字的调用·································································750
22.2 利用 Winsock API 实现 Socket 编程 ········································································751
22.2.1 常用 WinSockAPI 函数 ·················································································751
22.2.2 利用 WinSockAPI 实现 Socket 编程·····························································754
目录
·15·
22.3 利用组件实现 Socket 编程 ·······················································································762
22.3.1 TClientSocket 组件 ························································································762
22.3.2 TServerSocket 组件························································································763
22.3.3 Indy 组件介绍································································································764
22.4 编程示例 ···················································································································772
22.4.1 远程抓屏示例································································································772
22.4.2 局域网聊天程序 ····························································································780

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