4 html 代码 5 6 <!doctype html> 7 <!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd"> 8 <html> 9 <head> 10 <meta charset="utf-8"> 11 <title>document</title> 12 <link href="../css/app.css" type="text/css" rel="stylesheet" /> 13 <script src="../js/jquery-1.9.1.min.js" type="text/javascript"></script> 14 </head> 15 <script> 16 17 $(function(){ 18 19 $("#getjson").click(function(){ 20 $.getJSON("/index/getJson", { key: "getjson"}, function(json){ 21 alert("JSON Data: " + json.a); 22 }); 23 }) 24 $(".json").click(function(){ 25 //用传统的ajax 注意其实上面的getJson 就是这种传统ajax一个简写而已 26 $.ajax({ 27 cache: true, 28 type: "POST", 29 url: '/index/getJson', 30 //data:$('#comform').serialize(), 31 async: false, 32 error: function(request) { 33 tipslog(" error！", 'tiperror', 2); 34 }, 35 success: function(data) { 36 /*$obj = $.parseJSON(data); 37 alert($obj.a) 测试可用*/ 38 $obj = eval("("+data+")");//通过测试可用 这是为了转成 39 alert($obj.a); 40 } 41 }); 42 43 }) 44 }) 45 </script> 46 <body> 47 <h1>操他妈装B的人</h1> 48 <input type="button" id = "getjson" value = "getJson"> 49 <input type = "button" id = "parsejson" class = "json" value ="parseJson" > 50 <input type = "button" id = "eval" class = "json" value = "eval"> 51 </body> 52 </html> 53 54 后台代码 55 public function getJsonAction(){ 56 $arr_test_json = array('a' => "abcd",'b' => "bcad",'c' => "cdas",'d' => "defg"); 57 $json = json_encode($arr_test_json); 58 echo $json; 59 } 60 61 上述代码为PHP代码，java的话也有对应的函数将数组转json 也可以直接拼一个json格式