using System;using System.Collections.Generic;using System.Configuration;using System.IO;using System.Linq;using System.Text;using System.Xml.Linq;using iTextSharp.text;using iTextSharp.text.pdf;using Microsoft.VisualBasic.FileIO;namespace iTextDemo{ public class ReportDemo { BaseFont BF_Light = BaseFont.CreateFont(@"C:\Windows\Fonts\simsun.ttc,0", BaseFont.IDENTITY_H, BaseFont.EMBEDDED); string imagePath = "../../Data/分辨率使用情况报告_2014.04-2014.06.jpg"; public ReportDemo() { } public void GeneratePDFReport() { Document document = new Document(); using (document) { PdfWriter writer= PdfWriter.GetInstance(document, new FileStream(string.Format("{0}-{1}.pdf", DateTime.Now.Second, DateTime.Now.Millisecond), FileMode.Create)); document.Open(); document.Add(GetBaseTable()); document.Add(GetBaseAndImageTable()); DirectDrawReport(writer.DirectContentUnder); document.NewPage(); document.Add(GetAllInfoTable()); } } private PdfPTable GetAllInfoTable() { PdfPTable table = new PdfPTable(4); table.WidthPercentage = 100f; table.SetWidths(new int[] { 1, 3, 2, 18 }); PdfPCell cell; Paragraph p; int rowNum = 0; int textColumNum = 3; using (TextFieldParser parser = new TextFieldParser("../../Data/screen.csv", UTF8Encoding.UTF8, true)) { parser.TextFieldType = FieldType.Delimited; parser.SetDelimiters(","); while (!parser.EndOfData) { string[] fields = parser.ReadFields(); if (rowNum > 0) { for (int i = 0; i < textColumNum; i ) { p = new Paragraph(fields[i], new Font(BF_Light, 10)); cell = new PdfPCell(p); cell.Border = Rectangle.NO_BORDER; table.AddCell(cell); } string fileName = string.Format("../../Data/{0}.csv", fields[1]); float yMax = float.Parse(fields[3]); float yScale = float.Parse(fields[4]); cell = new PdfPCell(new Phrase("")); cell.MinimumHeight = 55f; cell.Border = Rectangle.NO_BORDER; //画图的类，和cell关联 ResolutionChart chart = new ResolutionChart(fileName, yMax, yScale); cell.CellEvent = chart; table.AddCell (cell); rowNum ; } else { rowNum ; } } } return table; } private PdfPTable GetBaseAndImageTable() { PdfPTable table = new PdfPTable(2); table.WidthPercentage = 100f; PdfPCell cell; //图片 Image image = Image.GetInstance(imagePath); cell = new PdfPCell(image, true); table.AddCell(cell); //表格 PdfPTable baseTable = GetBaseTable(); cell = new PdfPCell(baseTable); table.AddCell(cell); table.SpacingBefore = 20f; return table; } private PdfPTable GetBaseTable() { PdfPTable table = new PdfPTable(3); PdfPCell cell; Paragraph p; int mainColumn = 3; int rowNum = 0; using (TextFieldParser parser = new TextFieldParser("../../Data/screen.csv", UTF8Encoding.UTF8, true)) { parser.TextFieldType = FieldType.Delimited; parser.SetDelimiters(","); while (!parser.EndOfData) { string[] fields = parser.ReadFields(); if (fields.Length > mainColumn-1) { for (int i = 0; i < mainColumn; i ) { //要设置字体和大小 p = new Paragraph(fields[i], new Font(BF_Light, 13)); cell = new PdfPCell(p); //设置cell属性 //cell.Border = Rectangle.NO_BORDER; if (rowNum == 0) { cell.BackgroundColor = BaseColor.GRAY; } if (i == mainColumn - 1) { cell.HorizontalAlignment = Element.ALIGN_RIGHT; } //添加单元格 table.AddCell(cell); } rowNum ; } } } return table; } private void DirectDrawReport(PdfContentByte canvas) { //画线 canvas.SaveState(); canvas.SetLineWidth(2f); canvas.MoveTo(100, 100); canvas.LineTo(200, 200); canvas.Stroke(); canvas.RestoreState(); //文本 ColumnText.ShowTextAligned(canvas, Element.ALIGN_RIGHT, new Phrase("JulyLuo测试", new Font(BF_Light, 10)), 100, 20, 0); } class ResolutionChart : IPdfPCellEvent { string fileName; float yMax; float yScaleNum; float marginLeft; float marginRight; float marginTop; float marginBottom; BaseFont BF_Light = BaseFont.CreateFont(ConfigurationManager.AppSettings["ReportFont"], BaseFont.IDENTITY_H, BaseFont.EMBEDDED); public ResolutionChart(string fileName, float yMax, float yScaleNum) { this.fileName = fileName; this.yMax = yMax; this.yScaleNum = yScaleNum; marginBottom = marginRight = marginTop = 5f; marginLeft = 10f; } public void CellLayout(PdfPCell cell, Rectangle position, PdfContentByte[] canvases) { PdfContentByte cb = canvases[PdfPTable.BACKGROUNDCANVAS]; PdfContentByte cbline = canvases[PdfPTable.LINECANVAS]; cbline.SaveState(); cb.SaveState(); int totalMonths = 91; float leftX = position.Left marginLeft; float bottomY = position.Bottom marginBottom; float righX = position.Right - marginRight; float topY = position.Top - marginTop; float xScale = (righX - leftX) / totalMonths; float yScale = (topY - bottomY) / yMax; cb.SetLineWidth(0.4f); cbline.SetLineWidth(0.4f); //y 轴 cb.MoveTo(leftX, bottomY); cb.LineTo(leftX, topY); cb.Stroke(); //y 轴突出的短横线 float yAxiseTextLinetWidth = 3f; float yAxisTextSpaceAdjust = 2.5f; for (float y = yScaleNum; y < yMax; y = yScaleNum) { float yPoint = bottomY (yScale * y); cb.MoveTo(leftX, yPoint); cb.LineTo(leftX - yAxiseTextLinetWidth, yPoint); cb.Stroke(); } //y 轴文本 for (float y = yScaleNum; y < yMax; y = yScaleNum) { float yPoint = bottomY (yScale * y); ColumnText.ShowTextAligned(cb, Element.ALIGN_RIGHT, new Phrase(string.Format("{0}%", y), new Font(BF_Light, 5)), leftX - yAxiseTextLinetWidth, yPoint - yAxisTextSpaceAdjust, 0); } //x 轴 cb.MoveTo(leftX, bottomY); cb.LineTo(righX, bottomY); cb.Stroke(); int monthNum = 1; cb.SetRGBColorStroke(0xFF, 0x45, 0x00); cbline.SetLineDash(2f); using (TextFieldParser parser = new TextFieldParser(fileName, UTF8Encoding.UTF8, true)) { parser.TextFieldType = FieldType.Delimited; parser.SetDelimiters(","); while (!parser.EndOfData) { string[] fields = parser.ReadFields(); if (fields.Length > 2) { float oneMonthValue=float.Parse(fields[1].TrimEnd('%')); float xPoint = (monthNum - 1) * xScale leftX; float yPoint = bottomY (yScale * oneMonthValue); if (monthNum == 1) { cb.MoveTo(xPoint, yPoint); } else { cb.LineTo(xPoint, yPoint); } if (monthNum % 7 == 0) { cbline.MoveTo(xPoint, yPoint); cbline.LineTo(xPoint, bottomY); cbline.Stroke(); string month = fields[0].Substring(7, 5); ColumnText.ShowTextAligned(cb, Element.ALIGN_CENTER, new Phrase(month, new Font(BF_Light, 5)), xPoint, bottomY-5f, 0); } } monthNum ; } } cb.Stroke(); cb.RestoreState(); cbline.RestoreState(); } } }}
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