WinForm将html内容转化成图片

 1 using System;
 2 using System.Collections.Generic;
 3 using System.ComponentModel;
 4 using System.Data;
 5 using System.Drawing;
 6 using System.Linq;
 7 using System.Text;
 8 using System.Windows.Forms;
 9
10 namespace TCP
11 {
12     public partial class Form1 : Form
13     {
14         public Form1()
15         {
16             InitializeComponent();
17         }
18         WebBrowser webBrowser = null;
19         public void ConvertToImg()
20         {
21             //string html = "<div><table border = \"1\" cellspacing = \"0\" cellpadding = \"3\" style = \"text-align:center;\"><tr><th style = \"width:60px;\">字段1</th><th style = \"width:60px;\">字段2</th><th style = \"width:60px;\">字段3</th></tr><tr style = \"color:green;\"><td>小明</td><td>22</td><td>185</td></tr><tr style = \"color:red;\"><td>小青</td><td>21</td><td>170</td></tr></table></div>";
22
23             webBrowser = new WebBrowser();
24
25             //是否显式滚动条
26             webBrowser.ScrollBarsEnabled = false;
27
28             //加载 html
29             webBrowser.Navigate("http://www.baidu.com");
30
31             //页面加载完成执行事件
32             webBrowser.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(webBrowser_DocumentCompleted);
33         }
34
35         private void webBrowser_DocumentCompleted(object sender, EventArgs e)//这个就是当网页载入完毕后要进行的操作
36         {
37             //获取解析后HTML的大小
38             System.Drawing.Rectangle rectangle = webBrowser.Document.Body.ScrollRectangle;
39             int width = rectangle.Width;
40             int height = rectangle.Height;
41
42             //设置解析后HTML的可视区域
43             webBrowser.Width = width;
44             webBrowser.Height = height;
45
46             Bitmap bitmap = new System.Drawing.Bitmap(width, height);
47             webBrowser.DrawToBitmap(bitmap, new System.Drawing.Rectangle(0, 0, width, height));
48
49             //设置图片文件保存路径和图片格式，格式可以自定义
50             string filePath = AppDomain.CurrentDomain.BaseDirectory + "Img\\" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".png";
51             bitmap.Save(filePath, System.Drawing.Imaging.ImageFormat.Png);
52         }
53
54         private void button1_Click(object sender, EventArgs e)
55         {
56             ConvertToImg();
57         }
58     }
59
60 } 

原文地址：https://www.cnblogs.com/bibuba/p/8797875.html