Light12306/Web12306/js/platform/webRequest.js


define(function (require, exports, module) {
	var EventObject = require("../platform/EventObject.js");
	var config = require("../data.js");
	
	var WebRequest = function() {
		var that = this;
		var requestMap = {};
		var ajaxCount = 0;

		EventObject.apply(this, arguments);
		this.getFullUri= function (url) {
			/// <summary>获得完整地址</summary>

			if (url[4] === ":" || url[5] === ":") return url;
			return config.baseUri + url;
		};
		this.send = function (method, url, refer, data, responseType, done, failed) {
			var xhrData = {
				url: that.getFullUri(url),
				data: data,
				timeout: 120000,
				type: "GET",
				dataType: responseType,
				refer: that.getFullUri(refer)
			};

			var e = new CustomEvent("ajaxproxy", { detail: { data: xhrData, index: ajaxCount++ }, cancelable: true });
			if (!document.dispatchEvent(e)) {
				requestMap[e.detail.index] = {
					done: done,
					fail: failed
				};
				return;
			} else {
				that.fireEvent("requestSupportError");
			}
		};
		this.sendGet = function (url, refer, data, responseType, done, failed) {
			/// <summary>以GET模式发送AJAX请求</summary>
			/// <param name="url">要请求的地址</param>
			/// <param name="refer">请求的引用地址</param>
			/// <param name="data">要发送的数据</param>
			/// <param name="responseType">要请求的地址</param>
			/// <param name="done">完成请求的回调</param>
			/// <param name="failed">请求失败的回调</param>
			that.send("GET", url, refer, data, responseType, done, failed);
		};
		this.sendPost = function (url, refer, data, responseType, done, failed) {
			that.send("GET", url, refer, data, responseType, done, failed);
		};

		document.addEventListener("ajaxproxyfinished", function (e) {
			var data = e.detail;
			if (!requestMap[data.index]) return;

			var param = requestMap[data.index];
			delete requestMap[data.index];
			data.success ? param.done.call(data) : param.fail.call(data);
		});
	};

	WebRequest.prototype = Object.create(EventObject);
	WebRequest.constructor = WebRequest;

	module.exports = new WebRequest();
});