从0到1搞定软件扫码登录（附源码）

https://qrlogin.taobao.com/qrcodelogin/qrcodeLoginCheck.do?lgToken=2c3b4d53ef0513787bf4ce711ea5ba53&defaulturl=&_ksTS=1540106757739_2804&callback=jsonp2805

{
    "code": "10001",
    "message": "mobile scan QRCode success",
    "success": true
}

{ "code": "10006", "success": true, "url": "https://login.taobao.com/member/loginByIm.do?uid=cntaobaoxxx&token=ff82fc0d1d395a33d3b38ec5a4981336&time=1530179143250&asker=qrcodelogin&ask_version=1.0.0&defaulturl=https://www.taobao.com&webpas=0b7aed2d43f01825183e4a49c6cae47d1479929926"}

// 获取uuid
getUUID: function() {
    vare = t.defer();
    returnwindow.QRLogin = {},
    $.ajax({
        url: i.API_jsLogin,
        dataType: "script"
    }).done(function() {
        200 == window.QRLogin.code ? e.resolve(window.QRLogin.uuid) : e.reject(window.QRLogin.code)
    }).fail(function() {
        e.reject()
    }),
    e.promise
}

// 查看扫码状态
checkLogin: function(e, a) {
    varn = t.defer()
        , a = a || 0;
    returnwindow.code = 0,
    window.checkLoginPromise = $.ajax({
        url: i.API_login + "?loginicon=true&uuid="+ e + "&tip="+ a + "&r="+ ~newDate,
        dataType: "script",
        timeout: 35e3
    }).done(function() {
        newRegExp("/"+ location.host + "/");
        if(window.redirect_uri && window.redirect_uri.indexOf("/"+ location.host + "/") < 0)
            returnvoid (location.href = window.redirect_uri);
        vare = {
            code: window.code,
            redirect_uri: window.redirect_uri,
            userAvatar: window.userAvatar
        };
        n.resolve(e)
    }).fail(function() {
        n.reject()
    }),
    n.promise
}

// 根据服务器返回的扫码状态，进行相应的操作
functiono(c) {    switch(c.code) {    case200:        t.newLoginPage(c.redirect_uri).then(function(t) {            varo = t.match(/<ret>(.*)<\/ret>/)                , r = t.match(/<script>(.*)<\/script>/)                , c = t.match(/<skey>(.*)<\/skey>/)                , s = t.match(/<wxsid>(.*)<\/wxsid>/)                , l = t.match(/<wxuin>(.*)<\/wxuin>/)                , d = t.match(/<pass_ticket>(.*)<\/pass_ticket>/)                , f = t.match(/<message>(.*)<\/message>/)                , u = t.match(/<redirecturl>(.*)<\/redirecturl>/);            returnu ? void (window.location.href = u[1]) : o && "0"!= o[1] ? (alert(f && f[1] || "登录失败"),            i.report(i.AUTH_FAIL_COUNT, 1),            void location.reload()) : (e.$emit("newLoginPage", {                Ret: o && o[1],                SKey: c && c[1],                Sid: s && s[1],                Uin: l && l[1],                Passticket: d && d[1],                Code: r            }),
            void (a.getCookie("webwx_data_ticket") || n.report(n.ReportType.cookieError, {                text: "webwx_data_ticket 票据丢失",                cookie: document.cookie            })))        });        break;
    case201:        e.isScan = !0,        n.report(n.ReportType.timing, {            timing: {                scan: Date.now()            }        }),        t.checkLogin(e.uuid).then(o, function(t) {            !t && window.checkLoginPromise && (e.isBrokenNetwork = !0)        });        break;
    case408:        t.checkLogin(e.uuid).then(o, function(t) {            !t && window.checkLoginPromise && (e.isBrokenNetwork = !0)        });        break;
    case400:
    case500:
    case0:        vars = a.getCookie("refreshTimes") || 0;        s < 5 ? (s++,        a.setCookie("refreshTimes", s, .5),        document.location.reload()) : e.isNeedRefresh = !0;        break;
    case202:        e.isScan = !1,        e.isAssociationLogin = !1,        a.setCookie("login_frequency", 0, 2),        window.checkLoginPromise && (window.checkLoginPromise.abort(),        window.checkLoginPromise = null),        r()    }
    e.code = c.code,    e.userAvatar = c.userAvatar,    a.log("get code", c.code)
}