双击文本实现可编辑
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<meta name="author" content="wuleying" />
<title>双击文本实现可编辑</title>
<style>
input.a {border:1px solid #fff;background:#fff;}
input.b {border:1px solid #369;background:#fff;}
</style>
</head>
<body>
<input class="a" id="test" readonly value="这里是Ajax中国" type="text" />
<input type="submit" value="修改" style="display:none;" id="submit" />
<script type="text/javascript">
var test = document.getElementById("test");
var mysubmit = document.getElementById("submit");
test.ondblclick = function(){
this.readOnly = false;
this.className = "b";
mysubmit.style.display = "";
}
mysubmit.onclick = function(){
test.readOnly = true;
test.className = "a";
this.style.display = "none";
}
</script>
</body>
</html>