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http://www.cnblogs.com/isaced/archive/2011/01/24/1943227.html
在此基础上加强
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;//
namespace WebBrowser网页操作
{
public class Element
{
//根据Name获取元素
public HtmlElement GetElement_Name(WebBrowser wb,string Name)
{
HtmlElement e = wb.Document.All[Name];
return e;
}
//根据Id获取元素
public HtmlElement GetElement_Id(WebBrowser wb, string id)
{
HtmlElement e = wb.document.getElementByIdx(id);
return e;
}
//根据Index获取元素
public HtmlElement GetElement_Index(WebBrowser wb,int index)
{
HtmlElement e = wb.Document.All[index];
return e;
}
// 据Type获取元 ,在没有NAME和ID的情况下使用
public HtmlElement GetElement_Type(WebBrowser wb,string type)
{
HtmlElement e=null;
HtmlElementCollection elements = wb.Document.getElementsByTagName_r("input");
foreach (HtmlElement element in elements)
{
if (element.GetAttribute("type") == type)
{
e = element;
}
}
return e;
}
// 据Type获取元 ,在没有NAME和ID的情况下使用,并指定是同类type的第 个,GetElement_Type()升级版
public HtmlElement GetElement_Type_No(WebBrowser wb,string type,int i )
{
int j=1;
HtmlElement e=null;
HtmlElementCollection elements = wb.Document.getElementsByTagName_r("input");
foreach (HtmlElement element in elements)
{
if (element.GetAttribute("type") == type)
{
if(j==i)
{
e = element;
}
j++;
}
}
return e;
}
//获取form表单名name,返回表单
public HtmlElement GetElement_Form(WebBrowser wb,string form_name)
{
HtmlElement e = wb.Document.Forms[form_name];
return e;
}
//设置元素value属性的值
public void Write_value(HtmlElement e,string value)
{
e.SetAttribute("value", value);
}
//执行元素的方法,如:click,submit(需Form表单名)等
public void Btn_click(HtmlElement e,string s)
{
e.InvokeMember(s);
}
}
}
这是调用这个类的窗体代码:
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace WebBrowser网页操作
{
public partial class Form1 : Form
{
Element el = new Element();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
webBrowser1.Navigate(Application.StartupPath + @"\Test.html");
}
private void button1_Click(object sender, EventArgs e)
{
el.Write_value(el.GetElement_Name(webBrowser1,"username"),"isaced");
}
private void button2_Click(object sender, EventArgs e)
{
el.Write_value(el.GetElement_Id(webBrowser1, "password"), "123456");
}
private void button3_Click(object sender, EventArgs e)
{
el.Btn_click(el.GetElement_Id(webBrowser1,"button"),"click");//方法用的按钮click
}
private void button4_Click(object sender, EventArgs e)
{
el.Btn_click(el.GetElement_Form(webBrowser1, "form1"), "submit");//先获取表单,再调用表单的submit方法
}
}
}
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