关于春运购买火车票的快捷程序

使用方法：
1.您先下载一个谷歌浏览器，或者360急速浏览器。
2.将如下代码打包成12306.js，名字任意。
3.进入到浏览器扩展程序管理页面。
4.鼠标左键将该js拖入即可。
5.刷新页面
6.开始登录，查询，购票，提交订单。
代码：

function withjQuery(callback, safe){
	if(typeof(jQuery) == "undefined") {
		var script = document.createElement("script");
		script.type = "text/javascript";
		script.src = "https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js";

		if(safe) {
			var cb = document.createElement("script");
			cb.type = "text/javascript";
			cb.textContent = "jQuery.noConflict();(" + callback.toString() + ")(jQuery);";
			script.addEventListener('load', function() {
				document.head.appendChild(cb);
			});
		}
		else {
			var dollar = undefined;
			if(typeof($) != "undefined") dollar = $;
			script.addEventListener('load', function() {
				jQuery.noConflict();
				$ = dollar;
				callback(jQuery);
			});
		}
		document.head.appendChild(script);
	} else {
		callback(jQuery);
	}
}

withjQuery(function($){
	$(document).click(function() {
		if( window.webkitNotifications && window.webkitNotifications.checkPermission() != 0 ) {
			window.webkitNotifications.requestPermission();
		}
	});
	function notify(str, timeout, skipAlert) {
		if( window.webkitNotifications && window.webkitNotifications.checkPermission() == 0 ) {
			var notification = webkitNotifications.createNotification(
				"http://www.12306.cn/mormhweb/images/favicon.ico",  // icon url - can be relative
				'订票',  // notification title
				str
			);
			notification.show();
			if ( timeout ) {
				setTimeout(function() {
					notification.cancel();
				}, timeout);
			}
			return true;
		} else {
			if( !skipAlert ) {
				alert( str );
			}
			return false;
		}
	}
	function route(match, fn) {
		if( window.location.href.indexOf(match) != -1 ) {
			fn();
		};
	}

	route("querySingleAction.do", function() {

		//query
		var isTicketAvailable = false;

		//The table for displaying tickets
		var tbl = $(".obj")[0];
		if( tbl.addEventListener ) {
			// Not work on IE
			tbl.addEventListener("DOMNodeInserted", function() {
				if(checkTickets(event.target)){
					isTicketAvailable = true;
					highLightRow(event.target);
				}
				tbl.firstAppend=false;
			}, true);
		} else {
			window.$ && window.$(tbl).ajaxComplete(function() {
				$(this).find("tr").each(function(n, e) {
					if(checkTickets(e)){
						isTicketAvailable = true;
						highLightRow(e);
					}	
				});
				if(g.firstRemove) {
					g.firstRemove = false;
					if (isTicketAvailable) {
						if (isAutoQueryEnabled)
							document.getElementById("refreshButton").click();
						onticketAvailable(); //report
					}
					else {
						//wait for the button to become valid
					}
				}
			});
		}

		//Trigger the button
		var doQuery = function() {
			displayQueryTimes(queryTimes++);
			tbl.firstAppend = true;
			g.firstRemove = true;
			document.getElementById(isStudentTicket ? "stu_submitQuery" : "submitQuery").click();
		}

		var checkTickets = function(row) {
			var hasTicket = false;
			var canBook = true;
			$("td input[type=button]", row).each(function(i, e) {
				if($(e).hasClass("yuding_x")) {
					canBook = false;
				}
			});
			if(!canBook) return false;

			$("td", row).each(function(i, e) {
				if(ticketType[i-1]) {
					var info = $.trim($(e).text());
					if(info != "--" && info != "无") {
						hasTicket = true;
						highLightCell(e);
					}
				}
			});

			return hasTicket;
		}

		//The box into which the message is inserted.
		var g = document.getElementById("gridbox");
		//When the message is removed, the query should be completed.
		if( g.addEventListener ) {
			g.addEventListener("DOMNodeRemoved", function() {
				if(g.firstRemove) {
					g.firstRemove = false;
					if (isTicketAvailable) {
						if (isAutoQueryEnabled)
							document.getElementById("refreshButton").click();
						onticketAvailable(); //report
					}
					else {
						//wait for the button to become valid
					}
				}
			}, true);
		}

		//hack into the validQueryButton function to detect query
		var _validQueryButton = validQueryButton;

		validQueryButton = function() {
			_validQueryButton();
			if(isAutoQueryEnabled) doQuery();
		}

		var queryTimes = 0; //counter
		var isAutoQueryEnabled = false; //enable flag

		//please DIY:
		var audio = null;

		var onticketAvailable = function() {
			if(window.Audio) {
				if(!audio) {
					audio = new Audio("http://www.w3school.com.cn/i/song.ogg");
					audio.loop = true;
				}
				audio.play();
				notify("可以订票了！", null, true);
			} else {
				notify("可以订票了！");
			}
		}
		var highLightRow = function(row) {
			$(row).css("background-color", "red");
		}
		var highLightCell = function(cell) {
			$(cell).css("background-color", "blue");
		}
		var displayQueryTimes = function(n) {
			document.getElementById("refreshTimes").innerText = n;
		};

		var isStudentTicket = false;

		//Control panel UI
		var ui = $("<div>请先选择好出发地，目的地，和出发时间。&nbsp;&nbsp;&nbsp;</div>")
			.append(
				$("<input id='isStudentTicket' type='checkbox' />").change(function(){
					isStudentTicket = this.checked;
				})
			)
			.append(
				$("<label for='isStudentTicket'></label>").html("学生票&nbsp;&nbsp;")
			)
			.append(
				$("<button style='padding: 5px 10px; background: #2CC03E;border-color: #259A33;border-right-color: #2CC03E;border-bottom-color:#2CC03E;color: white;border-radius: 5px;text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.2);'/>").attr("id", "refreshButton").html("开始刷票").click(function() {
					if(!isAutoQueryEnabled) {
						isTicketAvailable = false;
						if(audio && !audio.paused) audio.pause();
						isAutoQueryEnabled = true;
						doQuery();
						this.innerText="停止刷票";
					}
					else {
						isAutoQueryEnabled = false;
						this.innerText="开始刷票";
					}
				})
			)
			.append(
				$("<span>").html("&nbsp;&nbsp;尝试次数：").append(
					$("<span/>").attr("id", "refreshTimes").text("0")
				)
			)
			.append( 
				//Custom ticket type
				$("<div>如果只需要刷特定的票种，请在余票信息下面勾选。</div>")
					.append($("<a href='#' style='color: blue;'>只勾选坐票&nbsp;&nbsp;</a>").click(function() {
						$(".hdr tr:eq(2) td").each(function(i,e) {
							$(this).find("input").attr("checked", $(this).text().indexOf("座") != -1 ).change();
						});
						return false;
					}))
					.append($("<a href='#' style='color: blue;'>只勾选卧铺&nbsp;&nbsp;</a>").click(function() {
						$(".hdr tr:eq(2) td").each(function(i,e) {
							$(this).find("input").attr("checked", $(this).text().indexOf("卧") != -1 ).change();
						});
						return false;
					}))
			);
		var container = $(".cx_title_w:first");
		container.length ?
			ui.insertBefore(container) : ui.appendTo(document.body);

		//Ticket type selector & UI
		var ticketType = new Array();
		$(".hdr tr:eq(2) td").each(function(i,e) {
			ticketType.push(false);
			if(i<3) return;
			ticketType[i] = true;

			var c = $("<input/>").attr("type", "checkBox").attr("checked", true);
			c[0].ticketTypeId = i;
			c.change(function() {
				ticketType[this.ticketTypeId] = this.checked;
			}).appendTo(e);
		});
	});
	route("loginAction.do?method=init", function() {
		if( !window.location.href.match( /init$/i ) ) {
			return;
		}
		//login
		var url = "https://dynamic.12306.cn/otsweb/loginAction.do?method=login";
		var queryurl = "https://dynamic.12306.cn/otsweb/order/querySingleAction.do?method=init";
		//Check had login, redirect to query url
		if( parent && parent.$ ) {
			var str = parent.$("#username_ a").attr("href");
			if( str && str.indexOf("sysuser/user_info") != -1 ){
				window.location.href = queryurl;
				return;
			}
		}

		function submitForm(){
			var submitUrl = url;
			$.ajax({
				type: "POST",
				url: submitUrl,
				data: {
					"loginUser.user_name": $("#UserName").val()
				  , "user.password": $("#password").val()
				  , "randCode": $("#randCode").val()
				},
				timeout: 30000,
				//cache: false,
				//async: false,
				success: function(msg){
					if ( msg.indexOf('请输入正确的验证码') > -1 ) {
						alert('请输入正确的验证码！');
					}
					else if ( msg.indexOf('当前访问用户过多') > -1 || msg.match(/var\s+isLogin\s*=\s*false/i)) {
						//Fix: Issue #5
						reLogin();
					}
					else {
						notify('登录成功，开始查询车票吧！');
						window.location.replace( queryurl );
					};
				},
				error: function(msg){
					reLogin();
				},
				beforeSend: function(XHR){
					//alert("Data Saved: " + XHR);
				}
			});
		}

		var count = 1;
		function reLogin(){
			count ++;
			$('#refreshButton').html("("+count+")次登录中...");
			setTimeout(submitForm, 2000);
		}
		//初始化
		$("#subLink").after($("<a href='#' style='padding: 5px 10px; background: #2CC03E;border-color: #259A33;border-right-color: #2CC03E;border-bottom-color:#2CC03E;color: white;border-radius: 5px;text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.2);'/>").attr("id", "refreshButton").html("自动登录").click(function() {
			count = 1;
			$(this).html("(1)次登录中...");
			//notify('开始尝试登录，请耐心等待！', 4000);
			submitForm();
			return false;
		}));

		alert('如果使用自动登录功能，请输入用户名、密码及验证码后，点击自动登录，系统会尝试登录，直至成功！');
	});
	route("confirmPassengerAction.do", function() {
		/**
		 * Auto Submit Order
		 * From: https://gist.github.com/1577671
		 * Author: [e-mail]  
		 */
		//Auto select the first user when not selected
		if( !$("input._checkbox_class:checked").length ) {
			try{
				//Will failed in IE
				$("input._checkbox_class:first").click();
			}catch(e){};
		}
		//passengerTickets

		var userInfoUrl = 'https://dynamic.12306.cn/otsweb/order/myOrderAction.do?method=queryMyOrderNotComplete&leftmenu=Y';
		var count = 1;
		function submitForm(){
			if(window.submit_form_check && !submit_form_check("confirmPassenger") ) {
				return;
			}
			jQuery.ajax({
				url: $("#confirmPassenger").attr('action'),
				data: $('#confirmPassenger').serialize(),
				type: "POST",
				timeout: 30000,
				success: function(msg)
				{
					//Refresh token
					var match = msg && msg.match(/org\.apache\.struts\.taglib\.html\.TOKEN['"]?\s*value=['"]?([^'">]+)/i);
					var newToken = match && match[1];
					if(newToken) {
						$("input[name='org.apache.struts.taglib.html.TOKEN']").val(newToken);
					}

					if( msg.indexOf('payButton') > -1 ) {
						//Success!
						notify("车票预订成功，恭喜!");
						window.location.replace(userInfoUrl);
						return;
					}
					var reTryMessage = [
						'用户过多'
					  , '确认客票的状态后再尝试后续操作'
					  ,	'请不要重复提交'
					];
					for (var i = reTryMessage.length - 1; i >= 0; i--) {
						if( msg.indexOf( reTryMessage[i] ) > -1 ) {
							reSubmitForm();
							return;
						}
					};
					//Parse error message
					msg = msg.match(/var\s+message\s*=\s*"([^"]*)/);
					stop(msg && msg[1] || '出错了。。。。 啥错？ 我也不知道。。。。。');
				},
				error: function(msg){
					reSubmitForm();
				}
			});
		};
		function reSubmitForm(){
			count ++;
			$('#refreshButton').html("("+count+")次自动提交中...");
			setTimeout(submitForm, 500);
		}
		function stop ( msg ) {
			$('#refreshButton').html("自动提交订单");
			alert( msg );
		}
		//初始化
		if($("#refreshButton").size()<1){
			$(".tj_btn").append($("<a style='padding: 5px 10px; background: #2CC03E;border-color: #259A33;border-right-color: #2CC03E;border-bottom-color:#2CC03E;color: white;border-radius: 5px;text-shadow: -1px -1px 0 rgba(0, 0, 0, 0.2);'></a>").attr("id", "refreshButton").html("自动提交订单").click(function() {
				//alert('开始自动提交订单，请点确定后耐心等待！');
				count = 1;
				$(this).html("(1)次自动提交中...");
				submitForm();
				return false;
			}));
			alert('如果使用自动提交订单功能，请在确认订单正确无误后，再点击自动提交按钮！');
		}
	});
}, true);