Ajax封装

来源：互联网发布：python 迭代器编辑：程序博客网时间：2024/06/06 00:58

Ajax封装如下：

var AjaxUtil = {    get: function (url, callback) {        var xhr = createXHR();        xhr.onreadystatechange = function () {            if ((xhr.status >= 200 && xhr.status < 300) || xhr == 304) {                callback(JSON.parse(xhr.responseText));            }        }        xhr.open('get', url, ture);        xhr.send(null);    },    post: function (url, data, callback) {        var xhr = createXHR();        xhr.onreadystatechange = function () {            if ((xhr.status >= 200 && xhr.status < 300) || xhr == 304) {                callback(JSON.parse(xhr.responseText));            }        }        xhr.open('post', url, ture);        xhr.setRequsetHeader("Content-Type", "application/x-www-form-urlencoded");        xhr.send(data);         }};function createXHR() {    var xhr = null;    if (window.XHRHttpRequest) {        xhr = new XHRHttpRequest();    } else if (ActiveXObject) {        xhr = new ActiveXObject('Microsoft XMLHTTP');    }    return xhr; }

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