实例如下:
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private void Form1_Load(object sender, EventArgs e) { webBrowser1.Navigate(Application.StartupPath + @ "\i.html" ); txtInfo.Text = webBrowser1.DocumentText; } |
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private void button2_Click(object sender, EventArgs e) { webBrowser1.Document.InvokeScript( "GetCode" , new object[] { "1567613" , "228267824" , "顶一个" , "D7D796981B62D318" }); if (webBrowser1.Document.GetElementById( "msg" ) != null ) { HtmlElement element = webBrowser1.Document.GetElementById( "msg" ); txtInfo.Text = element.GetAttribute( "value" ); } } |
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function GetCode(lBdId, lDocId, text, sessionID) { document.getElementById( "msg" ).value = H2(lBdId + '-' + lDocId + '-' + P(text), 16, sessionID); } |
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <html> <head> <title></title><script type= "text/javascript" src= "i.js" ></script> </head> <body> <input type=text id=msg /> </body> </html> |
以html页面作为媒介,将返回的值传递到html中的控件,然后在webBrowser中用
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HtmlElement element = webBrowser1.Document.GetElementById( "msg" ); txtInfo.Text = element.GetAttribute( "value" ) |
获得值
以上这篇webBrowser执行js的方法,并返回值,c#后台取值的实现就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持服务器之家。