var page = "https://dynamic.12306.cn/otsweb/loginAction.do?method=init";

var url = "https://dynamic.12306.cn/otsweb/loginAction.do?method=login";

var queryurl = "https://dynamic.12306.cn/otsweb/order/querySingleAction.do?method=init";

function submitForm() {

var _ifrMain = document.getElementById('main');

var userName = _ifrMain.contentWindow.document.getElementById('UserName');

var password = _ifrMain.contentWindow.document.getElementById('password');

var randCode = _ifrMain.contentWindow.document.getElementById('randCode');

var submitUrl = url;

$.ajax({

type: "POST",

url: submitUrl,

data: {

"loginUser.user_name": userName.value

, "user.password": password.value

, "randCode": randCode.value

},

timeout: 30000,

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！');

};

if (msg.indexOf('当前访问用户过多') > -1) {

reLogin('回调结果:当前访问用户过多');

}

else {

location.replace(queryurl);

};

},

error: function (msg) {

reLogin('回调结果:错误');

},

beforeSend: function (XHR) {

;

}

});

}

var count = 1;

function reLogin(msg) {

count++;

skm_LockScreen("(" + count + ")次登录中..." + msg);

setTimeout(submitForm, 500);

}

function skm_LockScreen(str) {

scroll(0, 0);

var back = document.getElementById('skm_LockBackground');

var pane = document.getElementById('skm_LockPane');

var text = document.getElementById('skm_LockPaneText');

var LockBackgroundCssString = "position: absolute;top: 0px;left: 0px;visibility: visible;display: block;width: 105%;height: 105%;background-color: #666;z-index: 999;filter: alpha(opacity=75);opacity:0.75;padding-top: 20%;";

var LockPaneCssString = "z-index: 1000;position: absolute;top: 0px;left: 0px;padding-top: 25%;visibility: visible;display: block;text-align: center;width: 100%;";

var textCssString = "width: 55%;background-color: #969;color: White;font-size: large;border: dotted 1px White;padding: 9px;margin-left: auto;margin-right: auto;";

if (back)

back.style.cssText = LockBackgroundCssString;

if (pane)

pane.style.cssText = LockPaneCssString;

if (text) {

text.innerHTML = str;

text.style.cssText = textCssString;

}

}

var loginoutElement = document.getElementById('login_out');

loginoutElement.innerHTML = "<div id='skm_LockBackground' style='display: none;visibility: hidden;position: absolute;top: -100px;left: -100px;'></div><div id='skm_LockPane' style='display: none;visibility: hidden;position: absolute;top: -100px;left: -100px;'><div id='skm_LockPaneText'> </div></div>";

submitForm();