一种 jquery 检索方案

浏览数：34 / 时间：2015年06月09日

整理自：http://www.cnblogs.com/linjiqin/archive/2011/03/18/1988464.html

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>struts2</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<script type="text/javascript" src="http://lib.sinaapp.com/js/jquery/1.7.2/jquery.min.js"></script>
<script type="text/javascript">
//数据源，json的格式.
var user=[{"id": 1, "name": "张三","age":"25"},
{"id": 2, "name": "李四","age":"35"},
{"id": 3, "name": "王五","age":"20"},
{"id": 4, "name": "老王","age":"20"},
{"id": 5, "name": "老张","age":"25"},
{"id": 6, "name": "李四","age":"35"},
{"id": 7, "name": "王五","age":"20"},
{"id": 8, "name": "老王","age":"20"},
{"id": 9, "name": "abc","age":"25"},
{"id": 10, "name": "李b四","age":"35"},
{"id": 11, "name": "125","age":"20"},
{"id": 12, "name": "246","age":"20"},
{"id": 13, "name": "张三","age":"25"},
{"id": 14, "name": "李四","age":"35"},
{"id": 15, "name": "王五","age":"20"},
{"id": 16, "name": "老王","age":"20"},
{"id": 17, "name": "张三","age":"25"},
{"id": 18, "name": "李四","age":"35"},
{"id": 19, "name": "王五","age":"20"},
{"id": 20, "name": "老王","age":"20"}];
$(document).ready(function(){
        var seach=$("#seach");
        seach.keyup(function(event){
            //var keyEvent=event || window.event;   
            //var keyCode=keyEvent.keyCode;  
            // 数字键：48-57
            // 字母键：65-90
            // 删除键：8
            // 后删除键：46
            // 退格键：32
            // enter键：13  
            //if((keyCode>=48&&keyCode<=57)||(keyCode>=65&&keyCode<=90)||keyCode==8||keyCode==13||keyCode==32||keyCode==46){
            //获取当前文本框的值
            var seachText=$("#seach").val();
            if(seachText!=""){
            //构造显示页面
            var tab="<table width=‘300‘ border=‘1‘ cellpadding=‘0‘ cellspacing=‘0‘><tr align=‘center‘><td>编号</td><td>名称</td><td>年龄</td></tr>";
            //遍历解析json
            $.each(user,function(id, item){
                //如果包含则为table赋值
                if(item.name.indexOf(seachText)!=-1){
                tab+="<tr align=‘center‘><td>"+item.id+"</td><td>"+item.name+"</td><td>"+item.age+"</td></tr>";
                }
                })
            tab+="</table>";
            $("#div").html(tab);
            //重新覆盖掉，不然会追加
            tab="<table width=‘300‘ border=‘1‘ cellpadding=‘0‘ cellspacing=‘0‘><tr align=‘center‘><td>编号</td><td>名称</td><td>年龄</td></tr>";
            }else{
                $("#div").html("");
            }
            // }
        })
});
</script>
</head>

<body>
名字：<input id="seach" />
<br/><br/>
<div id="div"></div>
</body>
</html>