Light12306/Web12306/js/otn/dynamicjs.js

define(function (require, exports, module) {
	var encode = require("./encode.js");
	var ajax = require("../platform/webRequest.js");

	var dk;

	Object.defineProperty(exports, "dynamickey", {
		get: function () {
			return dk;
		},
		set: function (value) {
			dk = value;
		}
	});

	exports.loadDynamicPage = function (url, refer) {
		var def = new $.Deferred();

		ajax.sendGet(url, refer, null, "text").done(function () {
			exports.checkDynamicJs(arguments[0], refer)
				.done(function () {
					def.resolve(arguments[0]);
				}).fail(function () {
					def.resolve(null);
				});
		}).fail(function () {
			def.resolve(null);
		});

		return def.promise();
	};

	exports.checkDynamicJs = function (html, refer) {
		/// <summary>
		/// 获得对应的dynamicjs
		/// </summary>
		/// <param name="html"></param>
		/// <returns type=""></returns>

		var def = new $.Deferred();

		if (!html)
			def.resolve(null);
		else {
			var key = /['"].*?dynamicJs\/(.+?)['"]/.exec(html) && RegExp.$1;
			if (!key)
				def.resolve(null);
			else {
				var url = "dynamicJs/" + key;
				ajax.sendGet(url, refer, null, "text")
					.done(function (text) {
						var checkReg = /['"].*?dynamicJs\/(.+?)['"]/g;
						var pingurl = checkReg.exec(text) && RegExp.$1;
						var code = /key\s*=\s*'(.*?)'/.exec(text) && RegExp.$1;

						if (!code || !pingurl) {
							def.resolve(null);
						} else {
							//是否有自动回发？
							if (checkReg.exec(text)) {
								//自动回发
								ajax.sendPost("dynamicJs/" + pingurl, url, null, "text");
							}

							var data = {
								pingurl: pingurl,
								code: code,
								value: encode.encode(code, "1111"),
								validate: encode.createEncodeStr(code, "1111"),
								baseFormData: {}
							};
							dk = data;
							data.baseFormData[data.code] = data.value;
							def.resolve(data);
						}
					}).fail(function () {
						def.resolve(null);
					});
			}
		}

		return def.promise();
	};
});