jQuery API jQuery API 中英文对照版 - jQuery在线查询手册
$.getJSON(url, params, callback)
$.getJSON(url, params, callback)

用一个HTTP GET请求一个JavaScript JSON数据

返回值:XMLHttpRequest

参数:

  • url (String): 装入页面的URL地址。
  • params (Map): (可选)发送到服务端的键/值对参数。
  • callback (Function): (可选) 当数据装入完成时执行的函数.
 

示例:

$.getJSON(
  "test.js",
  function(json){
    alert("JSON Data:   " + json.users[3].name);
  }
); 

示例:

$.getJSON(
   "test.js",
  { name: "John", time: "2pm" },
   function(json){
     alert("JSON Data: " + json.users[3].name);
  } 
); 
 
$.getJSON( url, params, callback )

Load JSON data using an HTTP GET request.

Return value: XMLHttpRequest
Parameters:

  • url (String): The URL of the page to load.
  • params (Map): (optional) Key/value pairs that will be sent to the server.
  • callback (Function): A function to be executed whenever the data is loaded successfully.
 

Example:

 $.getJSON(
   "test.js",
   function(json){
     alert("JSON Data: " + json.users[3].name);
   }
 );  

Example:

 $.getJSON(
     "test.js",
     { name: "John", time: "2pm" },
     function(json){
       alert("JSON Data: " + json.users[3].name);
     }   
 );