博客的前某一篇文章中https://www.jb51.net/article/35175.htm写过一个用Ajax来实现一个文本框输入的提示功能。最近在一个管理项目的项目中，使用后发现，真的反应很慢，数据量很大的情况下使用Ajax去实现真的不合适，于是，我又写了一个使用Jquery来实现方法。
废话不多说，上图上代码:
引用方式：
复制代码 代码如下:
JS代码：
复制代码 代码如下:
index.css:
复制代码 代码如下:
@charset "utf-8";
body, ul, li {
margin: 0;
padding: 0;
}
body{
font-size:12px;
font-family:sumsun,arial;
color:#666666;
background:#FFFFFF;
}
#searchtable{background:#E4E9F2; border-bottom:1px solid #C8CFDA; padding:0px 8px;height: 33px;}
#searchtable label{font-size:14px; display:inline-block; float:left; color:#333; text-shadow:1px 1px 0px #EBF5FA; font-weight:bold; padding:10px 0 8px 16px; background:url(../images/pemIcons.png) 2px -34px no-repeat; _background:url(../images/pemIcons.gif) 2px -34px no-repeat;}
#searchtable #search{border: 1px solid #C3C3C3; border-top: 1px solid #7C7C7C; border-left: 1px solid #9A9A9A;background: url(../images/today.gif) 0 -162px white repeat-x;outline: none; padding:3px 4px; _padding:3px 4px 5px; display:inline-block; float:left; margin:6px 12px 4px 0; zoom:1;}
#searchtable .btnSubmit{margin-top:6px;margin-left:5px; zoom:1; border: 1px solid #236300; background: #6B9F40 url(../images/buttonbg01.png) repeat-x 0 0; font-size:12px; color:#FFF; line-height:24px; height:24px; width:60px; font-weight:bold; display:block; text-align:center; float:left;}
#searchtable .btnSubmit:hover{text-decoration:none; background-position:0 -32px;}
#searchtable .btnSubmit:active{background-position:0 -64px;}
#searchtable .fBtn:hover{color:#000;}
table.datagrid {
border:1px solid #DDDDDD;
border-collapse:collapse;
}
.gover_search{ position:relative; z-index:99; height:33px; padding:15px 0 0 20px; border:1px solid #b8cfe6; border-bottom:0; background:#E4E9F2;border-bottom:1px solid #C8CFDA;}
.gover_search_form{height:36px;}
.gover_search .search_t{ float:left; width:112px; line-height:26px; color:#666666;}
.gover_search .input_search_key{ float:left; width:462px; height:18px; padding:3px; margin-right:5px; border:1px solid #cccccc; line-height:18px; background:#FFFFFF;}
.gover_search .search_btn{ padding-left:4px; width:68px; height:26px; overflow:hidden; border:1px solid #cccccc; text-align:center; color:#ffffff; letter-spacing:5px; background: #6B9F40 url(../images/buttonbg01.png) repeat-x 0 0; cursor:pointer; font-weight:bold;}
.gover_search .search_suggest{ position:absolute; z-index:999; left:132px; top:41px; width:468px; border:1px solid #999999; display:none; }
.gover_search .search_suggest li{height:24px; overflow:hidden; padding-left:3px; line-height:24px; background:#FFFFFF; cursor:default;}
.gover_search .search_suggest li.hover{background:#DDDDDD;}
后台的webservice代码这里就不展示了，主要就是查询数据库返回一个JSON格式的查询结果给Jquery中的Data
