C# WinForm webBrowser控件使用实例,自动填写表单和提交


1.窗体

2.后台代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Da
ta;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace EC_Tool.test
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //設置當前文檔為百度
            this.webBrowser1.Url = new Uri("http://www.baidu.com");
        }

        private void btnSearch_Click(object sender, EventArgs e)
        {
            //得到當前文檔
            HtmlDocument htmlDoc = this.webBrowser1.Document;
            //將我們在WinForm窗體的文本框中輸入的值同步到百度,kw是百度關鍵字輸入框的ID
            htmlDoc.All["kw"].SetAttribute("value", this.txtKeyword.Text);
            //調用按鈕“百度一下”的點擊事件,su是按鈕ID
            htmlDoc.All["su"].InvokeMember("click");
        }
    }
}

3.运行,在文本框里输入“sb”,点击“搜索”按钮,结果如下图
 

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