jQuery代码 2

// jQuery 单例
(function ($) {
    var index = {
        init: function () {
            // 一些jQuery对象的储存
            this.render();
            // 事件的绑定
            this.bind();
            this.ajaxSeeting()
        },
        datas: {
            ajaxPath: 'http://localhost/test/api.php',
            currentRequests: {},
            id: 1
        },
        ajaxSeeting: function () {
            var me = this;

            // 设置Ajax请求的默认值
            $.ajaxSetup({
                url: me.datas.ajaxPath,
                dataType: 'json',
                beforeSend: function (xhr, settings) {
                    settings.data = settings.data + '&k=2&v=9'
                },
                statusCode: {
                    404: function () {
                        // Do something
                        console.log(404)
                    },
                    405: function () {
                        // Do something
                        console.log(405)
                    },
                    500: function () {
                        // Do something
                        console.log(500)
                    },
                    502: function () {
                        // Do something
                        console.log(502)
                    }
                }
            });

            // 预过滤器
            $.ajaxPrefilter(function (options, originalOptions, jqXHR) {
                console.log(options, originalOptions, jqXHR)
                // 自定义abortOnRetry选项被设置为true
                // 那么调用$.ajax()会自动中止请求相同的URL：
                if (options.abortOnRetry) {
                    if (me.datas.currentRequests[options.url]) {
                        me.datas.currentRequests[options.url].abort();
                    }
                    me.datas.currentRequests[options.url] = jqXHR;
                }

                // 代理服务器跨域请求
                // if (options.crossDomain) {
                //     options.url = 'http://localhost/test' + decodeURIComponent(options.url);
                //     options.crossDomain = false;
                // }
            });
        },
        render: function () {
            var me = this;
            me.btn = $('#btn');
        },
        bind: function () {
            var me = this;
            me.btn.on('click', $.proxy(me['_do'], this, me.datas.id))
        },
        _do: function (id) {
            $.ajax({
                // 同一域中强制跨域请求
                crossDomain: true,
                abortOnRetry: true,
                type: 'POST',
                // content: this,
                data: {
                    id: id
                }
            }).done(function (data, textStatus, jqXHR) {
                console.log('Success...')
            }).fail(function (jqXHR, textStatus, errorThrown) {
                console.log('Error...')
            }).always(function (jqXHR, textStatus, errorThrown) {
                console.log('Complete...')
            })
        }
    };
    index.init();
    exports = index;
})(jQuery);