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jQuery getJSON() 方法

❮ jQuery AJAX 方法

示例

使用 AJAX 请求获取 JSON 数据,并输出结果

$("button").click(function(){
  $.getJSON("demo_ajax_json.js", function(result){
    $.each(result, function(i, field){
      $("div").append(field + " ");
    });
  });
});
亲自试一试 »

定义和用法

getJSON() 方法用于使用 AJAX HTTP GET 请求获取 JSON 数据。


语法

$(选择器).getJSON(url,data,success(data,status,xhr))

参数 描述
url 必需。指定要发送请求的 URL。
data 可选。指定要发送到服务器的数据。
success(data,status,xhr) 可选。指定如果请求成功则运行的函数。
附加参数
  • data - 包含从服务器返回的数据。
  • status - 包含一个字符串,其中包含请求状态(“success”,“notmodified”,“error”,“timeout”或“parsererror”)。
  • xhr - 包含 XMLHttpRequest 对象。

❮ jQuery AJAX 方法

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