DOCTYPE html>
<html>
<head>
<title>文本框剪贴板示例title>
<script type="text/javascript" src="EventUtil.js">script>
head>
<body>
<p>文本框——只能在粘贴“仅由数字组成的字符串”。p>
<form method="post" action="javascript:alert('Form submitted!')" id="myForm">
<div>
<label for="txtPhone">键入电话号码：label><br>
<input type="text" id="txtPhone" name="phone" value="">
div>
form>
<script type="text/javascript">
(function(){
var textbox = document.getElementById("txtPhone");
EventUtil.addHandler(textbox, "paste", function(event){
event = EventUtil.getEvent(event);
var text = EventUtil.getClipboardText(event);
if (!/^\d*$/.test(text)){
EventUtil.preventDefault(event);
}
});
})();
script>
body>
html>