C# 任意网页 图片批量下载器 源码下载

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Net;using System.Text.RegularExpressions;using System.Web;namespace 图片下载器{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void btnDownLoad_Click(object sender, EventArgs e) { if (!Regex.IsMatch(txtDesUrl.Text, @"\w{1}:(\\?\S*) ")) { MessageBox.Show("保存路径设置错误，请重新设置！"); return; } WebClient wc = new WebClient(); wc.Encoding = System.Text.Encoding.UTF8;//设置抓取源代码为utf-8编码 string content = ""; try { content = wc.DownloadString(txtSourceUrl.Text); } catch (Exception) { //btnDownLoad_Click(null, null); MessageBox.Show("网络连接错误，请重新下载！"); return; } //百度图片正则表达式 //string pattern = @"thumbUR[\s\S] ?objURL[^\s] ?(?<url>[a-zA-Z] ://[^\s]*?.jpg)"; //百度空间图片正则表达式 //string pattern = @"<p>(?<name>\w )&shy;</p><p>&shy;</p><p><img\salt=""图片""\s src=""(?<url>\w ://[\w.?/?] .jpg)"""; string pattern = txtRegex.Text; MatchCollection matchs = Regex.Matches(content, pattern); if (DownLoad(matchs, txtDesUrl.Text)) { MessageBox.Show("下载完成！"); } else { MessageBox.Show("下载失败！"); } } private static bool DownLoad(MatchCollection matchs,string path) { WebClient wc = new WebClient(); int count = 0; foreach (Match match in matchs) { string strUrl = match.Groups["url"].Value; string name = string.Format("{0}\\{1}.jpg", path, match.Groups["name"].Value); try { wc.DownloadFile(strUrl, name); } catch (Exception) { continue; } count ; } wc.Dispose(); return true; } private void btnOpen_Click(object sender, EventArgs e) { FolderBrowserDialog fbd = new FolderBrowserDialog(); fbd.ShowDialog(); txtDesUrl.Text = fbd.SelectedPath; } }}