上海海洋大学绩点查询

上海海洋大学URP本学期绩点查询
当前为 2020-02-05 提交的版本，查看最新版本。
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// ==UserScript==
// @name         上海海洋大学绩点查询
// @namespace    http://tampermonkey.net/
// @version      1.4
// @icon         https://github.com/yuebanquan/SHOU-GPA/blob/master/6969.png?raw=true
// @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
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Your code here...
    var MyDiv = document.getElementById("page-content-template");
    var bt = document.createElement("button");//createElement生成button对象
    bt.innerHTML = '查看本学期绩点';
    //绑定点击事件
    bt.onclick = function (){
        var mytable = document.getElementById('scoretbody');
        var length = mytable.rows.length; //获取课程数
        var allXuefenNum = 0.0; //记录学分总数
        var allgpaNum = 0.0; //记录总绩点数
        for (var i = 0; i < length; 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[11].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[8].innerText; //获取成绩
            //还未出成绩，跳出这一行
            if (scoreTxt.length == 0) {
                continue;
            }

            var xuefen = parseFloat(_cell[3].innerHTML); //获取学分

            allXuefenNum = allXuefenNum + 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") {	//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;
                }
            }

            allgpaNum = allgpaNum + xuefen * gpa;
        }
        var currentGPA = allgpaNum / allXuefenNum;
        alert("本学期绩点：" + currentGPA);
    }
    MyDiv.appendChild(bt);//添加到页面
})();