(function($){
$.fn.autoMail = function(options){
var autoMail = $(this);
var _value = '';
var _index = -1;
var _width = autoMail.outerWidth();
var _height = autoMail.outerHeight();
var _left = autoMail.offset().left;
var _top = autoMail.offset().top;
autoMail.defaults = {
deValue : '请输入邮箱地址',
textCls : 'text-gray',
listCls : 'list-mail',
listTop : 1,
mailArr : ["qq.com","gmail.com","126.com","163.com","hotmail.com","yahoo.com","yahoo.com.cn","live.com","sohu.com","sina.com"]
}
//初始化
autoMail.init = function(){
autoMail.vars = $.extend({},autoMail.defaults,options);
autoMail.val(autoMail.vars.deValue).addClass(autoMail.vars.textCls);
autoMail.click(function(event){
autoMail.select().removeClass(autoMail.vars.textCls);
if(autoMail.val() != autoMail.vars.deValue){
autoMail.add();
autoMail.order(_value);
autoMail.list.find('.item').each(function(){
if($(this).text() == autoMail.val()){
$(this).siblings('.item').removeClass('select');
$(this).addClass('select');
return false;
}
})
}
event.stopPropagation();
})
autoMail.blur(function(event){
if(autoMail.val() == '' || autoMail.val() == autoMail.vars.deValue){
alert(autoMail.val())
autoMail.val(autoMail.vars.deValue).addClass(autoMail.vars.textCls);
}
})
//文本域键盘松开事件
autoMail.keyup(function(event){
if($(autoMail.list).length == 0){
autoMail.add();
}
if(autoMail.list.length > 0){
var keyCode = event.keyCode;
//alert(keyCode)
switch(keyCode){
case 13:
autoMail.remove();
autoMail.blur();
break;
case 38:
_index--;
if(_index < 0){
_index = 0;
}
autoMail.keyOperate(_index);
break;
case 40:
_index++;
if(_index > $('.item',autoMail.list).length - 1){
_index = ('.item',autoMail.list).length - 1
}
autoMail.keyOperate(_index);
break;
default:
if(autoMail.val().indexOf('@') < 0){
_value = autoMail.val();
autoMail.order(_value);
}
}
}
})
$(document).click(function(){
if($(autoMail.list).length > 0){
autoMail.remove();
autoMail.blur();
}
})
}
//创建列表
autoMail.create = function(){
var li = '';
for(var i = 0; i < autoMail.vars.mailArr.length; i++){
li += '<li class="item">'+ '<span class="style">' + '@' + autoMail.vars.mailArr[i] + '</span>' + '</li>';
}
autoMail.list = $('<div class="'+ autoMail.vars.listCls +'"><ul>'+ li +'</ul></div>');
autoMail.list.css({
'position' : 'absolute',
'left' : _left,
'top' : _top + _height + autoMail.vars.listTop,
'min-width': _width
})
autoMail.list.appendTo($('body'));
//邮箱列表绑定事件
autoMail.list.find('.item').click(function(event){
autoMail.getVal($(this));
autoMail.remove();
event.stopPropagation();
})
autoMail.list.find('.item').hover(
function(){ $(this).addClass('hover'); },
function(){ $(this).removeClass('hover'); }
)
return autoMail.list;
}
//序列化列表
autoMail.order = function(_value){
$('.name',autoMail.list).remove();
var name = $('<span class="name">'+ _value +'</span>');
$('.item',autoMail.list).prepend(name);
}
//添加列表
autoMail.add = function(){
if(typeof autoMail.list == 'undefined' || autoMail.list.length < 1) autoMail.create();
}
//移除列表
autoMail.remove = function(){
if(autoMail.list.length > 0){
autoMail.list.remove();
delete autoMail.list;
}
}
//获取值
autoMail.getVal = function(obj){
if($('.name',obj).text() != ''){
var selectValue = obj.text();
autoMail.val(selectValue);
}else{
return false;
}
}
//键盘操作
autoMail.keyOperate = function(_index){
$('.item',autoMail.list).eq(_index).addClass('hover').siblings('.item').removeClass('hover');
autoMail.val($('.item',autoMail.list).eq(_index).text());
}
//开始初始话动作...
autoMail.init();
}
})(jQuery)
<!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=utf-8" />
<title>无标题文档</title>
<script type="text/javascript" src="./jquery.js"></script>
<script type="text/javascript" src="./autoMail.js"></script>
<script type="text/javascript">
$(function(){
$('.automail').autoMail();
})
</script>
<style type="text/css">
*{padding: 0; margin: 0;}
body{font-family: "微软雅黑"; color: #333; font-size: 12px;}
ul{list-style: none;}
input{ width: 180px; height: 16px; line-height: 16px; margin: 100px; padding: 4px; border: 1px solid #aaa; font-size: 12px; font-family: "微软雅黑"; }
.list-mail ul{ border: 1px solid #aaa; line-heihgt: 24px; padding: 6px; }
.list-mail li{ cursor: pointer; padding: 2px 3px; margin-bottom: 2px; }
.list-mail .name{ color: #982114; }
.list-mail .hover{ background: #fefacf; }
.list-mail .select{ background: #dedaae; }
</style>
</head>
<body>
<div class="test"></div>
<input type="text" class="automail" />
</body>
</html>
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