[转]抢票工具代码

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();