$(function(){
  var url="http://api.flickr.com/services/feeds/photos_public.gne"
   //使用getJSON方法取得JSON数据
  $.getJSON(　　
  url,
  //处理数据 data指向的是返回来的JSON数据
  function(data){
    //生成标题和标题连接
    var tit="<a href='"+ data.link +"'>"+data.title +"<\/a>";
    $("h1").html(tit); 　　
    //出现在指定位置H1 内
    $("#ginfo").find("p").eq(0).html(data.modified);
    $("#ginfo").find("p").eq(1).html(data.generator);
    var lis=""; 　
    //li 列表项目
    $(data.items).each(function(i,ite){ 　
     //遍历JSON数据得到所需形式
     lis+="<li>";
     lis+="<a href='"+ ite.link +"'><img src='"+ite.media.m +"' title='"+ ite.title +"'><\/><\/a>";
     lis+="<div>";
     lis+=ite.description; 
     lis+="<\/div><\/li>";  
     })
    $("ul").html(lis); 
    //将遍历出来的数据呈现在所需位置
    $("li").hover(function(){$(this).addClass("hov")}, function(){$(this).removeClass("hov")}); 
  }
  )
 }) 

<div class="main">
 <div class="ginfo" id="ginfo"> 
  <h1></h1>
  <p></p>
  <p></p>
 </div>
 <ul>  
 </ul>
</div> 

 ({
  "title": "Recent Uploads tagged cat",
  "link": "http://www.flickr.com/photos/tags/cat/",
  "description": "",
  "modified": "2009-08-03T01:50:45Z",
  "generator": "http://www.flickr.com/",
  "items"  {
   "title": "DSC06844",
   "link": "http://www.flickr.com/photos/g_bugel/3783605340/",
   "media": {"m":"http://farm3.static.flickr.com/2638/3783605340_a3cfc9eeb9_m.jpg"},
   "date_taken": "2009-07-06T07:27:59-08:00",
   "description": "<p><a href=\"http://www.flickr.com/people/g_bugel/\">g.bugel<\/a> posted a photo:<\/p> <p><a href=\"http://www.flickr.com/photos/g_bugel/3783605340/\" title=\"DSC06844\"><img src=\"http://farm3.static.flickr.com/2638/3783605340_a3cfc9eeb9_m.jpg\" width=\"240\" height=\"180\" alt=\"DSC06844\" /><\/a><\/p> ",
   "published": "2009-08-03T01:50:45Z",
   "author": "nobody@flickr.com (g.bugel)",
   "author_id": "38658309@N00",
   "tags": "china cat feline beijing 2009 chinalab chinalab2009"  
},{......});