c# WebBrowser网页操作-元素获取_事件操作
usingSystem;
usingSystem.Collections.Generic;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;//
namespaceWebBrowser网页操作
{
publicclassElement
{
//根据Name获取元素
publicHtmlElement GetElement_Name(WebBrowser wb,stringName)
{
HtmlElement e = wb.Document.All[Name];
returne;
}
//根据Id获取元素
publicHtmlElement GetElement_Id(WebBrowser wb, stringid)
{
HtmlElement e = wb.Document.GetElementById(id);
returne;
}
//根据Index获取元素
publicHtmlElement GetElement_Index(WebBrowser wb,intindex)
{
HtmlElement e = wb.Document.All[index];
returne;
}
//获取form表单名name,返回表单
publicHtmlElement GetElement_Form(WebBrowser wb,stringform_name)
{
HtmlElement e = wb.Document.Forms[form_name];
returne;
}
//设置元素value属性的值
publicvoidWrite_value(HtmlElement e,stringvalue)
{
e.SetAttribute("value", value);
}
//执行元素的方法，如：click，submit(需Form表单名)等
publicvoidBtn_click(HtmlElement e,strings)
{
e.InvokeMember(s);
}
}
}
这是调用这个类的窗体代码：
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usingSystem;
usingSystem.Collections.Generic;
usingSystem.ComponentModel;
usingSystem.Data;
usingSystem.Drawing;
usingSystem.Linq;
usingSystem.Text;
usingSystem.Windows.Forms;
namespaceWebBrowser网页操作
{
publicpartialclassForm1 : Form
{
Element el = newElement();
publicForm1()
{
InitializeComponent();
}
privatevoidForm1_Load(objectsender, EventArgs e)
{
webBrowser1.Navigate(Application.StartupPath + @"\Test.html");
}
privatevoidbutton1_Click(objectsender, EventArgs e)
{
el.Write_value(el.GetElement_Name(webBrowser1,"username"),"isaced");
}
privatevoidbutton2_Click(objectsender, EventArgs e)
{
el.Write_value(el.GetElement_Id(webBrowser1, "password"), "123456");
}
privatevoidbutton3_Click(objectsender, EventArgs e)
{
el.Btn_click(el.GetElement_Id(webBrowser1,"button"),"click");//方法用的按钮click
}
privatevoidbutton4_Click(objectsender, 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
}
}
}
