C# 如何单击 Webbrowser 控件中的按钮？
声明：本页面是StackOverFlow热门问题的中英对照翻译，遵循CC BY-SA 4.0协议，如果您需要使用它，必须同样遵循CC BY-SA许可，注明原文地址和作者信息，同时你必须将它归于原作者（不是我）：StackOverFlow
原文地址: http://stackoverflow.com/questions/11271737/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
How do you click a button in a webbrowser control?
提问by Minicl55
For example, using code and no user input, how would I have my program click the "Search" button on google (assuming I've already filled in the search box and am at google.com)
例如，使用代码并且没有用户输入，我如何让我的程序点击 google 上的“搜索”按钮（假设我已经填写了搜索框并且在 google.com）
采纳答案by Alessio Koci
webBrowser1.Navigate("http://www.google.com");
If you have an IDuse this:
如果你有这样的ID用途：
webBrowser1.Document.GetElementById("id").InvokeMember("click");
If you have TagNameuse this
如果你有TagName使用这个
webBrowser1.Navigate("http://www.google.com");
In Web Browser DocumentCompleted event
在 Web 浏览器 DocumentCompleted 事件中
HtmlElement textElement = webBrowser1.Document.All.GetElementsByName("q")[0];
textElement.SetAttribute("value", "your text to search");
HtmlElement btnElement = webBrowser1.Document.All.GetElementsByName("btnG")[0];
btnElement.InvokeMember("click");
If you have name Classuse this:
如果你有名字，请Class使用这个：
HtmlElementCollection classButton = webBrowser1.Document.All;
foreach (HtmlElement element in classButton)
{
if (element.GetAttribute("className") == "button")
{
element.InvokeMember("click");
}
}
For adding text in a TextBoxto search google.com, use this:
要在 a 中添加文本TextBox以搜索 google.com，请使用以下命令：
webBrowser1.Document.GetElementById("gs_tti0").InnerText = "hello world";
回答by user2499974
Try the following code:
试试下面的代码：
public WebBrowser webBrowser1 = new WebBrowser();
private void WebForm_Load(object sender, EventArgs e)
{
try
{
webBrowser1.Height = 1000;
webBrowser1.Width = 1000;
this.Controls.Add(webBrowser1);
webBrowser1.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(WebBrowser_DocumentCompleted);
this.webBrowser1.Navigate("www.google.com.au");
}
catch
{ }
Write down the following function in your c# form:
在你的 C# 表单中写下以下函数：
public void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
var webBrowser = sender as WebBrowser;
webBrowser.DocumentCompleted -= WebBrowser_DocumentCompleted;
HtmlElement textElement = webBrowser.Document.All.GetElementsByName("q")[0];
textElement.SetAttribute("value", "mlm company");
HtmlElement btnElement = webBrowser.Document.All.GetElementsByName("btnG")[0];
btnElement.InvokeMember("click");
}
回答by Ben Holland
In addition to using InvokeMemberand others, if your web page has issues responding when called by IDor Class, you can try using {TAB}& {ENTER}using the SendKeysclass within .NET. I've written a lot of scripts for web pages and have found that I've had to use a combination of both (even though SendKeysis far messier than the methods in @AleWin's answer).
除了使用InvokeMember和其他之外，如果您的网页在被ID或调用时出现响应问题Class，您可以尝试在 .NET 中使用{TAB}&{ENTER}使用SendKeys该类。我已经为网页编写了很多脚本，并且发现我不得不结合使用两者（尽管SendKeys比@AleWin 的答案中的方法要混乱得多）。
