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上海海洋大学绩点查询

上海海洋大学URP本学期绩点查询

// ==UserScript==
// @name         上海海洋大学绩点查询
// @namespace    http://tampermonkey.net/
// @version      1.5
// @icon         https://s1.ax1x.com/2020/07/24/UX8ngg.png
// @description  上海海洋大学URP本学期绩点查询
// @author       yuebanquan
// @match        http*://urp.shou.edu.cn/student/integratedQuery/scoreQuery/thisTermScores/index
// @match        http*://urp.shou.edu.cn/student/integratedQuery/scoreQuery/allTermScores/index
// @grant        none
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    /*
     * 定义所需要的数据&对象
     */
    var courseNum = 0; //课程数
    var allCredits = 0; //学分总和
    var allGPA = 0; //绩点总和
    var averageGPA = 0; //平均绩点
    var nowUrl = window.location.href; //获取页面URL
    var mytable; //相应的table
    var nowPgaeNum = 0;
    var pageNum = 0;

    var MyDiv = document.getElementById("page-content-template");
    var bt = document.createElement("button"); //createElement生成button对象
    bt.innerHTML = '查看绩点';
    bt.onclick = function() { //绑定点击事件
        if (nowUrl.indexOf('allTermScores') != -1) {
            //确保能获取到所有数据
            //获取页数
            nowPgaeNum = document.getElementById("turnpageto_urppagebar").value
            pageNum = document.getElementById("totalPage_show_urppagebar").innerHTML
                //翻到最下页
            if (nowPgaeNum != pageNum) {
                //   var ele = document.getElementById('pager_scroll');
                //   ele.scrollTop = ele.scrollHeight
                alert("请翻到最下页再计算,否则计算错误!!!!");
            }
        }

        CalculateGPA();

        alert("平均绩点：" + averageGPA); //显示绩点

        //数据清零
        courseNum = 0; //课程数
        allCredits = 0; //学分总和
        allGPA = 0; //绩点总和
        averageGPA = 0; //平均绩点
        nowUrl = window.location.href; //获取页面URL
        mytable; //相应的table
        nowPgaeNum = 0;
        pageNum = 0;
    }

    MyDiv.appendChild(bt); //添加到页面


    function CalculateGPA() {
        /*
         * 每个页面计算方法不同,先判断在哪个页面
         */
        //判断所在页面,定义学分,成绩,未通过原因所在的列
        if (nowUrl.indexOf('thisTermScores') != -1) { //本学期成绩页面
            var reasonsForFailRow = 11; //未通过原因所在列
            var scoreTxtRow = 8; //成绩所在列
            var parseFloatRow = 3; //学分所在列
            var mytable = document.getElementById('scoretbody');
            courseNum = mytable.rows.length;  //获取课程数
        } else if (nowUrl.indexOf('allTermScores') != -1) { //历年成绩页面
            reasonsForFailRow = 10; //未通过原因所在列
            scoreTxtRow = 9; //成绩所在列
            parseFloatRow = 5; //学分所在列
            mytable = document.getElementById('scoreintbody');
            courseNum = mytable.rows.length;  //获取课程数
        }

        for (var i = 0; i < courseNum; i++) {
            var _row = mytable.rows;  //获取table的行
            var _cell = _row[i].cells;  //获取第i行的列
            //缓考的情况
            var reasonsForFail = _cell[reasonsForFailRow].innerText;  //获取未通过原因
            if (reasonsForFail.indexOf("缓考") != -1) { //如果有缓考科目，不计入总绩点，跳出这一行
                continue;
            }

            var scoreTxt = _cell[scoreTxtRow].innerText;  //获取成绩
            //还未出成绩，跳出这一行
            if (scoreTxt.length == 0) {
                continue;
            }

            var xuefen = parseFloat(_cell[parseFloatRow].innerHTML);  //获取学分

            allCredits = allCredits + xuefen;
            var score = parseFloat(scoreTxt);

            //绩点换算
            if (scoreTxt == "优秀" || scoreTxt == "良好" || scoreTxt == "通过" || scoreTxt == "中等" || scoreTxt == "及格" || scoreTxt == "不及格" || scoreTxt == "不通过") { //如果score为NaN，说明scoreTxt读取到的是五分or两分计分制
                //五分or两分计分制换算成绩点
                if (scoreTxt == "优秀") {
                    var gpa = 4.0;
                } else if (scoreTxt == "良好" || scoreTxt == "通过") {
                    gpa = 3.3;
                } else if (scoreTxt == "中等") {
                    gpa = 2.3;
                } else if (scoreTxt == "及格") {
                    gpa = 1.0;
                } else if (scoreTxt == "不及格" || scoreTxt == "不通过") {
                    gpa = 0;
                }
            } else {
                //百分制换算成绩点
                if (score >= 90) {
                    gpa = 4.0;
                } else if (score >= 85) {
                    gpa = 3.7;
                } else if (score >= 82) {
                    gpa = 3.3;
                } else if (score >= 78) {
                    gpa = 3.0;
                } else if (score >= 75) {
                    gpa = 2.7;
                } else if (score >= 72) {
                    gpa = 2.3;
                } else if (score >= 68) {
                    gpa = 2.0;
                } else if (score >= 66) {
                    gpa = 1.7;
                } else if (score >= 64) {
                    gpa = 1.5;
                } else if (score >= 60) {
                    gpa = 1.0;
                } else if (score < 60) {
                    gpa = 0.0;
                }
            }

            allGPA = allGPA + xuefen * gpa;
        }
        averageGPA = allGPA / allCredits;
    }
})();