gdut-jwgl-helper.js

// ==UserScript==
// @name       GDUT 教务管理系统 helper
// @namespace  http://use.i.E.your.homepage/
// @version    0.1
// @description	better experience on gdut jwgl system
// @match      http://jwgl.gdut.edu.cn/*
// @match      http://jwgldx.gdut.edu.cn/*	
// @match      http://222.200.98.201/*
// @match      http://222.200.98.204/*
// @match      http://222.200.98.205/*
// @match      http://222.200.98.206/*
// @copyright  2013, VTM STUDIO
// @require http://ajax.aspnetcdn.com/ajax/jQuery/jquery-1.8.3.min.js
// ==/UserScript==

var url = document.URL.toString();
var loginPage = "http://jwgl.gdut.edu.cn";
var xsjxpj = /.*xsjxpj\.aspx.*/;
var xscj = /.*xscj\.aspx.*/;
var default2 = /.*default2\.aspx.*/i;
var error = /.*zdy\.htm.*/;
var user = {
    'username': '',
    'password': '',
    // 'is_autologin': '',
    // 记录连续登录次数
    // 'login_time': '',
    // 上次登录是否成功
    'login_successed': '',
    // 是否需要重新输入用户信息
    'need_setup': ''
};

//获取用户信息
function LoadSettings() {
    user.username = localStorage.username;
    user.password = localStorage.password;
    user.is_autologin = parseInt(localStorage.is_autologin, 10) || 0;
    // user.login_time = parseInt(localStorage.login_time, 10) || 0;
    user.login_successed = parseInt(localStorage.login_successed, 10) || 0;
    // 之前必须登录成功过
    if (user.username && user.password && user.login_successed) {
        user.need_setup = false;
    } else {
        user.need_setup = true;
    }
    if (!user.need_setup) {
            document.getElementById("txtUserName").value = user.username;
            document.getElementById("TextBox2").value = user.password;

            // if (user.is_autologin) {
            //     document.getElementById("Button1").click();
            // }
        }
}

//显示配置信息
function ShowSettings() {
    if (default2.test(url)) {
        // 登录页
        $('#RadioButtonList1').after(
            '<input id= "auto_login" type="checkbox" name="auto_login" />' +
            '<label for="auto_login">自动登录</label>'
        );
        if (user.is_autologin) {
            $('input[name=auto_login]').attr({checked: 'checked'});
        }

        $('input#Button1').click(function() {
            user.username = $('#txtUserName').val();
            user.password = $('#TextBox2').val();
            if ($('input[name="auto_login"]').is(':checked')) {
                user.is_autologin = 1;
            } else {
                user.is_autologin = 0;
            }
            _save_user_settings();
        });
    } 
    // else {
    //     // 登录后安全退出要取消自动登录
    //     $('.info ul a#likTc').click(function() {
    //         user.is_autologin = 0;
    //         user.login_successed = 0;
    //         _save_user_settings();
    //     });
    // }
}

//保存配置信息到 localStorage
function _save_user_settings() {
    var prop;
    for (prop in user) {
        localStorage.setItem(prop, user[prop]);
    }
}

function SaveSettings() {
    // 还在首页不做保存
    if (default2.test(url))
        _save_user_settings();
        return;

    // 成功登录，登录次数置零
    // user.login_time = 0;
    user.login_successed = 1;
    _save_user_settings();
}

var GPA = {
    // 平均分
    avgScore: 0,
    // 平均绩点
    avgGPA: 0,
    // 加权平均分
    wAvgScore: 0
};

// 初始化
GPA.init = function() {
    if (!xscj.test(url))
        return;
    this.table = $("#DataGrid1");
    this.rows = $('tr',this.table);

    var tb = $('tbody')[0];
    var lastrow = document.createElement('tr');

    // 创建三个td显示平均绩点、平均分、加权平均分
    var tdGPA = document.createElement('td');
    tdGPA.id = "avgGPA";
    var tdScore = document.createElement('td');
    tdScore.id = "avgScore";
    var tdWScore = document.createElement('td');
    tdWScore.id = "wAvgScore";
    this.tdGPA = tdGPA;
    this.tdScore = tdScore;
    this.tdWScore = tdWScore;

    // 增加两列，显示每一科的学分绩点
    $("<td></td>").appendTo($(this.rows));
    $("td:last-child", this.rows[0]).html('绩点');
    $("<td></td>").appendTo($(this.rows));
    $("td:last-child", this.rows[0]).html('学分绩点');

    lastrow.appendChild(tdGPA);
    lastrow.appendChild(tdScore);
    lastrow.appendChild(tdWScore);
    tb.appendChild(lastrow);

    this.addCheckboxes();
    this.show();
};

// 增加一列，选择计算
GPA.addCheckboxes = function() {
    var rows = this.rows;

    var tdh = document.createElement('td');
    var allLabel = document.createElement('label');
    var allCheck = document.createElement('input');
    $(allLabel).html('全选');
    $(allLabel).attr('for', 'allCheck');
    $(allCheck).attr('id', 'allCheck');
    $(allCheck).attr("type", "checkbox");
    $(allCheck).attr("checked", true);
    $(allCheck).click(function() {
        if ($(this).attr('checked') === 'checked') {
            $('input[type="checkbox"]').attr('checked', true);
        } else {
            $('input[type="checkbox"]').attr('checked', false);
        }
        GPA.show();
    });
    tdh.appendChild(allCheck);
    tdh.appendChild(allLabel);
    rows[0].appendChild(tdh);

    for (var i = 1, len = rows.length;i < len;i++) {
        var td = document.createElement('td');
        var checkbox = document.createElement('input');
        $(checkbox).attr("type", "checkbox");
        $(checkbox).attr("checked", true);
        $(checkbox).change(function(event){
            GPA.show();
        });
        // 停止冒泡事件，即停止tr的click事件的发生。
        $(checkbox).click(function(event) {
            event.stopPropagation();
        });
        checkbox.id = "check" + i;

        td.appendChild(checkbox);
        rows[i].appendChild(td);
        $(rows[i]).click(function() {
            var check = $($(this).children()[11]).children()[0];
            if ($(check).attr('checked') === 'checked') {
                $(check).attr('checked', false);
            } else {
                $(check).attr('checked', true);
            }
            GPA.show();
        });
    }
};

// 计算平均绩点和平均分
GPA.calculate = function() {
    var rows = this.rows;
    var avgScore = 0;
    var avgGPA = 0;
    var wAvgScore = 0;
    var sumScore = 0;
    var sumGPA = 0;
    var sumCredit = 0;
    var sumWScore = 0;

    var total = 0;
    // 第0行不是成绩
    for (var i = 1, length = rows.length; i < length; i++) {
        var checkbox = document.getElementById("check" + i);
        if (checkbox.checked === false)
            continue;

        var tds = $(rows[i]).children();
        var score;
        var gpa;
        var credit;

        score = $(tds[3]).text().trim();
        credit = parseFloat($(tds[7]).text().trim());
        if (score == '优秀') score = 95;
        else if (score == '良好') score = 85;
        else if (score == '中等') score = 75;
        else if (score == '及格') score = 65;
        else if (score == '不及格') score = 0;
        /**
         * TODO GPA NaN
         * 有时候会出现“免修”，那么这个时候绩点怎么算？
         */
        else score = parseFloat(score);
        // 绩点计算公式：
        if ((score - 50) >= 10) {
            gpa = (score - 50) / 10; 
        } else {
            gpa = 0;
        }

        $(tds[9]).text(gpa.toFixed(2));
        $(tds[10]).text((gpa * credit).toFixed(2));

        sumScore += score;
        sumGPA += gpa * credit;
        sumCredit += credit;
        sumWScore += score * credit;
        total++;
    }

    if (total !== 0) {
        avgScore = sumScore / total;
        avgGPA = sumGPA / sumCredit;
        wAvgScore = sumWScore / sumCredit;
    }
    this.avgScore = avgScore;
    this.avgGPA = avgGPA;
    this.wAvgScore = wAvgScore;
};

// 显示平均绩点和平均分
GPA.show = function() {
    GPA.calculate();
    GPA.tdGPA.innerHTML = "平均绩点：" + GPA.avgGPA.toFixed(2);
    GPA.tdScore.innerHTML = "平均分：" + GPA.avgScore.toFixed(2);
    GPA.tdWScore.innerHTML = "加权平均分：" + GPA.wAvgScore.toFixed(2);
};


//填写验证码
function FillCaptcha()
{
    if (!default2.test(url)) return;
    var imgs = document.getElementsByTagName("img");
    var image = imgs[3];
    $(image).load(function(){
        var canvas = document.createElement('canvas');                 
        var ctx = canvas.getContext("2d");                 
        var numbers = [
          "110000111000000100011000001111000011110000111100001111000011110000111100000110001000000111000011",
          "111100111110001111000011100100111011001111110011111100111111001111110011111100111111001111110011",
          "110000111000000100011100001111001111110011111001111100011110001111000111100111110000000000000000",
          "110000011000000000111100111111001110000111100001111110001111110000111100000110001000000111000011",
          "111110011111000111110001111000011100100111001001100110010011100100000000000000001111100111111001",
          "100000011000000110011111000111110000001100000001001110001111110000111100000110001000000111000011",
          "110000011000000010011100001111110010001100000001000110000011110000111100100111001000000111000011",
          "000000000000000011111001111100111111001111100111111001111110011111000111110011111100111111001111",
          "110000111000000100111100001111000011110010000001100000010011110000111100001111001000000111000011",
          "110000111000000100111001001111000011110000011000100000001100010011111100001110010000000110000011"
        ];
        var captcha = "";
        canvas.width = image.width;
        canvas.height = image.height;
        ctx.drawImage(image, 0, 0);
        for (var i = 0; i < 5; i++) {
            var pixels = ctx.getImageData(9 * i + 5, 5, 8, 12).data;
            var ldString = "";
            for (var j = 0,length = pixels.length; j < length; j += 4) {
                ldString = ldString + (+(pixels[j] * 0.3 + pixels[j + 1] * 0.59 + pixels[j + 2] * 0.11 >= 140));
            }    
            var comms = numbers.map(function (value) {
                return ldString.split("").filter(function (v, index) {
                return value[index] === v;
                }).length;
            });
            captcha += comms.indexOf(Math.max.apply(null, comms));
        }
        document.querySelector("input[name=TextBox3]").value = captcha;
        if (!user.need_setup) {
            document.getElementById("TextBox1").value = user.username;
            document.getElementById("TextBox2").value = user.password;

            if (user.is_autologin) {
                document.getElementById("Button1").click();
            }
        }
    });
}


//教学质量评价
function AutoRank(){
    if (!xsjxpj.test(url)) return;
    var tds = $("td");
    var td = tds[1];

    var sels = $("select");
    var save = $("#Button1");

    //好的评价
    var good = document.createElement("input");
    good.value = "老师我爱你";
    good.type = "button"; 
    good.onclick = function(){
        for (var i = 2; i< sels.length - 1; i++)
            sels[i].selectedIndex = 1;
        sels[1].selectedIndex = sels[sels.length - 1].selectedIndex = 2;
        save.click();
    };
    
    //坏的评价
    var bad = document.createElement("input");
    bad.value = "老师我恨你";
    bad.type = "button";
    bad.onclick = function(){
        for (var i = 2; i< sels.length - 1; i++)
            sels[i].selectedIndex = 5;
        sels[1].selectedIndex = sels[sels.length - 1].selectedIndex = 4;
        save.click();
    };
    
    //随机评价
    //和谐版
    var randomGood = document.createElement("input");
    randomGood.value = "老师祝你好运吧!(和谐版)";
    randomGood.type = "button";
    randomGood.onclick = function(){
	do{
        for (var i = 1; i< sels.length; i++)
         sels[i].selectedIndex = Math.ceil(Math.random() * 10) % 3 + 1;
	} while (isSame());
        save.click();
    };
    //凶残版
    var randomBad = document.createElement("input");
    randomBad.value = "老师祝你好运吧!(凶残版)";
    randomBad.type = "button";
    randomBad.onclick = function(){
	do{
         for (var i = 1; i< sels.length; i++)
         sels[i].selectedIndex = Math.ceil(Math.random() * 10) % 3 + 3;
	} while (isSame());
        save.click();
    };

    //判断是否所有评价一样
    function isSame(){
        var n = sels.length - 1;
        if (sels[n] == sels[n-1] && sels[n] == sels[n-2]) {
            return true;
        } else {
            return false;
        }
    }
    
    //设置margin
    good.style.margin = "5px";
    bad.style.margin = "5px";
    randomGood.style.margin = "5px";
    randomBad.style.margin = "5px";

    //添加到页面中
    td.appendChild(good);
    td.appendChild(bad);
    td.appendChild(randomGood);
    td.appendChild(randomBad);
}

function ErrorPage() {
    if (error.test(url)) {
        location.href = loginPage;
    }
}

function init() {
    document.onmousedown = null;
    //ErrorPage();
    LoadSettings();
    ShowSettings();
    // FillCaptcha();
    // 覆盖主页
    Newmain();
    GPA.init();
    AutoRank();
    SaveSettings();
}

init();


// 使用新的主页
function Newmain(){
    if (default2.test(url)){
        $("style").after('<style>'+
            '*{font-family: "Microsoft Yahei";font-size: 16px;} h2,h3,.login_pic,.login_copyright,#icodems,#RadioButtonList1,.login_left,.login_logo{display: none; } .login_bg,.login_left,.login_logo,.login_right,.login_right .uesr,.login_right .passw,.login_right .yzm ,.login_right .btn_dl,.login_right .btn_dl:hover,.login_right .btn_cz,.login_right .btn_cz:hover{background:rgba(0, 0, 0,0) !important; } .login_bg{background:#fff url("http://i2.tietuku.com/f59272acaa0140a8.jpg") no-repeat !important; background-size:cover !important; } .login_right{position: relative; left: 25%; padding-top: 90px; } #txtSecretCode{width: 62px; } .login_right .btn_dl,.login_right .btn_dl:hover{cursor: pointer; margin-left: 24px; width: 99px; height: 38px; border: 0 none; font-weight: bold; font-size: 16px; font-family: "Microsoft Yahei"; color: #fff; background: #598CDF !important; text-shadow: 1px 0px 0px #154BA2; } .login_right .btn_cz,.login_right .btn_cz:hover{cursor: pointer; margin-left: 5px; width: 99px; height: 38px; border: 0 none; font-weight: bold; font-size: 16px; font-family: "Microsoft Yahei"; color: #fff; background: #598CDF !important; text-shadow: 1px 0px 0px #154BA2; } #icode {margin-left: 30px; } #auto_login{margin-left: 150px; }'
            +'</style>');
             }
        $("#Button1").attr("value","登录");
        $("#Button2").attr("value","重置");
}
//检测验证码是否输完
function Captchaok(){
    console.log(document.getElementById("txtSecretCode").value.length);
    if(document.getElementById("txtSecretCode").value.length==4)
        {return true;}
    return false;

}
// 检查是否可以按下登录了
function autologin(){
    console.log(user.is_autologin&&Captchaok());
    if (user.is_autologin&&Captchaok()) {
                document.getElementById("Button1").click();
            }
}
$(document).ready(function(){   
    $("#txtSecretCode").focus();   
});
var captcha = 0;
setInterval(function(){
    console.log(document.getElementById("txtSecretCode").value);
        if(captcha!=document.getElementById("txtSecretCode").value)
        {
            console.log("1234");
            autologin();
            captcha=document.getElementById("txtSecretCode").value;
        }
    
    

    },100);