jquery ajax 处理PHP JSON数据eval

$(document).ready(
  function(){
  //alert('gg');
  //return true;
   var url = "<?php echo(site_url('donations/news_post'.'/'.$news_class_id));?>";
   var fun = function(){
    
    $.post
    (
      url,
      $("#testform").serialize(),
      function(data){
       //alert('teeeeee');
       ary= eval("(" + data + ")");
       //console.log(ary);            
       //
       arr=ary['news_row']['content']; 
       
       $(newstitle).html(ary['news_row']['newstitle']);
       $(answer).html(answerxx(arr));//答案
       $(newsid).html(newsid_return(ary['news_row']['newsid']));//答案
       $(target_all).html(ary['news_row']['target_all']);
       if(ary['yesorno'] && ary['yesorno'] == '答案正确')
       {
        $(jiayisssssssss).show();
       }
       else
       {
        $(jiayisssssssss).hide();
       }
       
       $(yesorno).html(ary['yesorno']);
       
       
       //alert(ary['yesorno']);
       //alert('POSTID：'+ary['newsidpost']+'----POST ANSWER：'+ary['answerpost']+'----SESSION：'+ary['newsidsession']);
       
       
       $("input.answerInput").click(fun);
         }
    );
    
    function answerxx(arr)
    {
     answer_html='';
       for(i=0; i<arr.length; i++)
       {
        answer_html+='<li><input type="radio" name="answer" value="'+(i+1)+'" class="answerInput" /> '+arr[i]+'</li>';
       }
     return answer_html;
    }
    
    function newsid_return(newsid)
    {
     newsid_html='<input type="hidden" value="'+newsid+'" name="newsid" />';
     return newsid_html;
    }
    

    
    
   };
   
   $(window).load(fun);
   $("p").click(fun);
   
   
  }
 );

 

 

 

 

服务端php

$data= array();

$data = json_encode($data); 

echo($data);