jQuery实现的Email中的收件人效果（按del键删除）

除以下代码外，再导入个jquery-1.4.4.min.js文件，代码中收件人是写死的("ABC", "ABCDEF", "BCDEF")，已测试通过！

<%@ page language="java" import="java.util.*" pageencoding="utf-8" %> 
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"> 
<meta http-equiv="Cache-Control" content="no-cache"> 
<title></title> 
<script type="text/javascript" src="jquery-1.4.4.min.js"></script> 
<style> 
.clickcss a:link 
{ 
text-decoration: none; 
} 
.clickcss a:hover 
{ 
background-color: #CCCCCC; 
} 
.clickcss a:active 
{ 
background-color: blue; 
} 
</style> 
<script language="javascript" type="text/javascript"> 
$(document).ready( 
function() { 
$(document).keydown( 
function(event) { 
if (event.keyCode == 46) { 
var containner = $("#div1 span").eq(0); 
containner.find("a").each(function() { 
if ($(this).css('background-color') == 'blue') { 
$(this).remove(); 
} 
}); 
if (containner.find("a").length == 0) { 
containner.css("width", "0"); 
} 
} 
}); 
}); 
function check() { 
//<%=value %> 
var array = new Array("ABC", "ABCDEF", "BCDEF"); 
var result = null; 
var aobject = null; 
var value = $("#input1").val(); 
var containner = $("#div1 span").eq(0); 
if (value == "") { 
alert("请输入收件人名称！") 
} 
else { 
result = new Array(); 
for (var i = 0; i < array.length; i++) { 
if (contains(array[i], value, true)) { 
result.push(array[i]); 
} 
} 
if (result.length == 0) { 
alert("不包含当前输入的收件人信息，请重新输入！"); 
} 
else if (result.length == 1) { 
alert("添加一个收件人！"); 
containner.css("width", "100%"); 
containner.append("<a href='javascript:' >" + result[0] + ";</a>"); 
} 
else if (result.length > 1) { 
alert("有" + result.length + "个匹配信息，弹出选择对话框选择！"); 
// window.open("dialog.html", "请选择", "height=100,width=400,top=0,left=0,toolbar=no,menubar=no,scrollbars=no,resizable=no,location=no,status=no,alwaysRaised=yes,z-look=yes"); 
window.open("dialog.html"); 
} 
} 
} 
function contains(string, substr, isIgnoreCase) { 
if (isIgnoreCase) { 
string = string.toLowerCase(); 
substr = substr.toLowerCase(); 
} 
var startChar = substr.substring(0, 1); 
var strLen = substr.length; 
for (var j = 0; j < string.length - strLen + 1; j++) { 
if (string.charAt(j) == startChar)//如果匹配起始字符,开始查找 
{ 
if (string.substring(j, j + strLen) == substr)//如果从j开始的字符与str匹配，那ok 
{ 
return true; 
} 
} 
} 
return false; 
} 

</script> 
</head> 
<body style="padding: 0 0; margin: 0 0;"> 
<div id="div1" style="background-color: #22dd22; width: 100%"> 
<span class="clickcss" style="background-color: #00ff00;"></span><span style="width: 100%"> 
收件人：<input id="input1" /></span> 
</div> 
<button id="button1" onclick="check();" /> 
检查</button> 
</body> 
</html> 