JSON動態生成樹

本文轉載自查看原文 2014-01-17 15:27 22512 js jq ajax

<!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=gb2312" />
  <title>無標題文檔</title>
  <style type="text/css">
      body{
     font-size:14px;
      margin:0;}
     div{
     width:auto;
     height:auto;
     line-height:150%;}
     ul{
     list-style:none;
     margin-left:-20px;}
    ul li:hover{
     background-color:#DDDDDD;
     color:#FF0000;
     cursor:pointer;}
 </style>
 </head>
 
 <body>
     <div id="continer"></div>
 </body>
 </html>
 <script language="javascript" src="jquery-1.4.1.min.js"></script>
 <script language="javascript">
     //模擬數據
     var jsonData = [
         {"id":"1","name":"父節點1","url":"www.baidu.com","pid":"0"},
             {"id":"4","name":"父節點11","url":"","pid":"1"},
                 {"id":"13","name":"父節點111","url":"","pid":"4"},
                 {"id":"14","name":"父節點112","url":"","pid":"4"},
             {"id":"5","name":"父節點12","url":"","pid":"1"},
             {"id":"6","name":"父節點13","url":"","pid":"1"},
         {"id":"2","name":"父節點4","url":"","pid":"0"},
             {"id":"7","name":"父節點41","url":"","pid":"2"},
             {"id":"8","name":"父節點42","url":"","pid":"2"},
             {"id":"9","name":"父節點43","url":"","pid":"2"},
         {"id":"3","name":"父節點5","url":"","pid":"0"},
             {"id":"10","name":"父節點51","url":"","pid":"3"},
             {"id":"11","name":"父節點52","url":"","pid":"3"},
             {"id":"12","name":"父節點53","url":"","pid":"3"}
     ] ;
     
     
     //主方法，運用遞歸實現
     function createTree(jsons,pid){
         if(jsons != null){
             var ul = '<ul class="">' ;
             for(var i=0;i<jsons.length;i++){
                 if(jsons[i].pid == pid){
                     ul += '<li>' + jsons[i].name + "</li>" ;
                     ul += createTree(jsons,jsons[i].id) ;
                 }
             }
             ul += "</ul>" ;
        }
         return ul ;
     }
     
     $(function(){
         var ul = createTree(jsonData,0) ;
         
         $("#continer").append(ul) ;
         
         //控制菜單的隱藏顯示
         $("ul[class] li").each(function(){
             $(this).click(function(){
                 $(this).next().toggle() ;
             }) ;
         }) ;
 
     }) ;
     
 </script>

View Code

//生成效果

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