test.html
Html代码
<!DOCTYPE HTML> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 
<title>jquery</title> 
<style type="text/css"> 
</style> 
<script type="text/javascript" src="http://ajax.googleapis测试数据/ajax/libs/jquery/1.4.2/jquery.min.js"></script> 
<script type="text/javascript"> 
$(document).ready(function (){ 
$("#show").click(function (){ 
var iframeObj = $(window.frames["iframe_name"].document); 
alert(iframeObj.find("#un").val()); 
}); 
}); 
</script> 
</head> 
<body> 
<input type="button" id="show" value="show" /> 
<iframe id="iframe_id" name="iframe_name" src="http://localhost/test/login.html"></iframe> 
</body> 
</html>
login.html
Html代码
<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>登录页面</title> </head> <body> <form method="POST" action="#"> 用户名:<input id="un" type="text" name="username" value="123d" /> 密 码:<input type="text" name="password"/> <input type="submit" value="提交"> </form> </body> </html>
注意:必须同源
查看更多关于jquery获得同源iframe内body下标签的值的方法_jquer的详细内容...
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