jQuery实现动态搜索显示功能

jQuery实现动态搜索显示功能

本案例采用jQuery实现动态搜索显示功能，只要输入值就能立刻动态显示数据，不同于常规查询方法。

模拟效果如下：

12

<%@ page language="java" pageEncoding="UTF-8"%>
<!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="<%=request.getContextPath() %>/js/jquery-1.4.1.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>

 

posted @ 2015-08-16 13:21  ajay520  阅读(310)  评论(0)  编辑  收藏  举报