Calculate GPA in URP system
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// ==UserScript==
// @name BUPT GPA
// @namespace https://ssine.cc/
// @version 1.9
// @description Calculate GPA in URP system
// @author Liu Siyao
// @include *://jwxt.bupt.edu.cn/jwLoginAction.do
// @include *://vpn.bupt.edu.cn/http/jwxt.bupt.edu.cn/jwLoginAction.do
// @grant none
// @require https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js
// @require https://cdn.jsdelivr.net/npm/vue
// ==/UserScript==
(function() {
'use strict';
window.parent.frames[1].onload = ()=>{
$.get('/gradeLnAllAction.do?type=ln&oper=qbinfo').then(
(res)=>{
var algoNames = ['标准4.0', '改进4.0', '北大4.0', '加拿大4.3', '中科大4.3', '上海交大4.3'];
var algoArea = [
[59, 69, 79, 89, 100],
[59, 69, 84, 100],
[59, 63, 67, 71, 74, 77, 81, 84, 89, 100],
[59, 64, 69, 74, 79, 84, 89, 100],
[59, 60, 63, 64, 67, 71, 74, 77, 81, 84, 89, 94, 100],
[59, 61, 64, 66, 69, 74, 79, 84, 89, 94, 100]
];
var algoGp = [
[0, 1, 2, 3, 4],
[0, 2, 3, 4],
[0, 1, 1.5, 2, 2.3, 2.7, 3, 3.3, 3.7, 4],
[0, 2.3, 2.7, 3, 3.3, 3.7, 4, 4.3],
[0, 1, 1.3, 1.5, 1.7, 2, 2.3, 2.7, 3, 3.3, 3.7, 4, 4.3],
[0, 1, 1.7, 2, 2.3, 2.7, 3, 3.3, 3.7, 4, 4.3]
];
function getGP(score, i) {
var area = algoArea[i];
var gp = algoGp[i];
for (var idx in area) {
if(score <= area[idx])
return gp[idx];
}
return score;
};
class course {
constructor(no, name, semester, type, credit, grade) {
this.no = no;
this.name = name;
this.semester = semester;
this.type = type;
this.credit = credit;
this.grade = grade;
}
}
var calc_mat = [];
var course_lst = [];
var semesters = [];
var course_types = ['必修', '选修', '任选'];
var semester_name = '';
function showResult() {
// console.log(course_lst);
var sum = 0, total_credit = 0;
var gpLst = [0, 0, 0, 0, 0, 0];
for (var idx = 0; idx < course_lst.length; idx++) {
var course = course_lst[idx];
if (!calc_mat[semesters.indexOf(course.semester)][course_types.indexOf(course.type)])
continue;
total_credit += course.credit;
sum += course.credit * course.grade;
for (var j in gpLst) {
gpLst[j] += course.credit * getGP(course.grade, j);
}
};
$('#gpa-res').empty();
$('#gpa-res').append($('<table>\
<tr><th>算法</th><th>GPA</th></tr>\
</table>'));
for (var idx in gpLst) {
var newTr = "<tr><td>" + algoNames[idx] + "</td><td>" + (gpLst[idx]/total_credit).toFixed(2) + "</td></tr>";
$('#gpa-res table').append($(newTr));
}
var contentStr = "特殊加权学分绩: " + (sum / total_credit).toFixed(2);
contentStr += "<br>已修读学分: " + total_credit.toString();
$('#gpa-res').append($('<p>' + contentStr + '</p>'));
}
function appendResult(lst, name) {
var sum = 0, total = 0;
var gpLst = [0, 0, 0, 0, 0, 0];
for (var idx = 0; idx < lst.length; idx++) {
var items = lst[idx].getElementsByTagName('td');
if (isNaN(parseFloat(items[6].innerText)))
continue;
total += parseFloat(items[4].innerText);
sum += parseFloat(items[4].innerText) * parseFloat(items[6].innerText);
for (var j in gpLst) {
gpLst[j] += parseFloat(items[4].innerText) * getGP(parseFloat(items[6].innerText), j);
}
};
var frame = window.parent.frames[1].document.getElementsByName('mainFrame')[0];
frame = frame.contentDocument || frame.contentWindow.document;
var injectEntry = $(frame).find('.hometopbg1:first');
var contentStr = "特殊加权学分绩: " + (sum / total).toFixed(2);
contentStr += "\\n已修读学分: " + total.toString();
for (var idx in gpLst) {
contentStr += "\\nGPA(" + algoNames[idx] + "): " + (gpLst[idx]/total).toFixed(2);
}
var newtr = $('<tr><td height="25"><a href="javascript:alert(\'' + contentStr +
'\');">查看GPA(' + name + ')</a></td></tr>');
injectEntry.append(newtr);
}
$.get('/gradeLnAllAction.do?type=ln&oper=sxinfo&lnsxdm=001').then( (res)=>{
var doc = new DOMParser().parseFromString(res, "text/html");
appendResult(doc.querySelectorAll('a[name=qb_001] .odd'), "必修");
appendResult(doc.querySelectorAll('a[name=qb_001] .odd, a[name=qb_02] .odd'), "必修+选修");
appendResult(doc.querySelectorAll('.odd'), "必修+选修+任选");
});
var parser = new DOMParser();
var doc = parser.parseFromString(res, "text/html");
var body_lst = doc.getElementsByTagName('body')[0].childNodes;
for(var i = 0; i < body_lst.length; i++) {
if (body_lst[i].tagName == 'A') {
semester_name = body_lst[i].name;
if (semesters.indexOf(semester_name) == -1) {
semesters.push(semester_name);
}
} else if (body_lst[i].className == 'titleTop2') {
var entry = $(body_lst[i]).find('.odd');
for (var j = 0; j < entry.length; j++) {
var lst = entry[j].getElementsByTagName('td');
var grade = parseFloat(entry[j].getElementsByTagName('p')[0].innerText);
if (isNaN(grade)) continue;
course_lst.push(new course(
lst[0].innerText.trim(),
lst[2].innerText.trim(),
semester_name,
lst[5].innerText.trim(),
parseFloat(lst[4].innerText),
grade
));
}
}
}
for (var i = 0; i < semesters.length; i++)
calc_mat.push([true, true, false]);
var gpa_div = $('<div id="gpa">\
<div id="gpa-side">\
<div id="gpa-modify">\
<h2>课程属性:</h2>\
<table>\
<tr>\
<th>课程名</th>\
<th>类型</th>\
<th>成绩</th>\
<th>学分</th>\
</tr>\
<tr v-for="c in courses">\
<td>{{c.name}}</td>\
<td>\
<select v-model="c.type">\
<option>必修</option>\
<option>选修</option>\
<option>任选</option>\
</select>\
</td>\
<td>{{c.grade}}</td>\
<td>{{c.credit}}</td>\
</tr>\
</table></div>\
</div>\
\
\
<div id="gpa-main-frame">\
<div id="calc-app">\
<h2>要计算的课程:</h2>\
<table>\
<tr>\
<th>学期</th>\
<th>必修</th>\
<th>选修</th>\
<th>任选</th>\
</tr>\
<tr v-for="(r, idx) in mat">\
<td>{{ semesters[idx] }}</td>\
<td><input type="checkbox" id="checkbox" v-model="r[0]"></td>\
<td><input type="checkbox" id="checkbox" v-model="r[1]"></td>\
<td><input type="checkbox" id="checkbox" v-model="r[2]"></td>\
</tr>\
</table></div>\
\
\
<h2>结果:</h2>\
<div id="gpa-res">\
</div>\
<hr>\
<p>程序完全基于前端，不会存储个人信息。</p>\
<p>觉得好用来<a target="_blank" href="https://github.com/ssine/BUPT-GPA">仓库</a>点个star好不好ヽ(✿ﾟ▽ﾟ)ノ</p>\
<p>欢迎把<a target="_blank" href="https://greasyfork.org/zh-CN/scripts/369550-bupt-gpa">这个脚本</a>分享给你的朋友哦(*/ω＼*)</p>\
</div>\
</div>');
var sheet_css = $('<style>\
#gpa {\
position: absolute;\
right: 70px;\
bottom: 20px;\
height: 80%;\
background-color: rgba(255,255,255,0.9);\
}\
#gpa-side {\
float: left;\
margin-right: 20px;\
height: 100%;\
overflow: auto;\
}\
#gpa-main-frame {\
float: left;\
height: 100%;\
overflow: auto;\
}\
#gpa-modify table tr td:first-child, #gpa-modify table tr th:first-child {\
width: 200px;\
}\
#calc-app {\
}\
#res-app {\
margin-top: 50px;\
}\
#gpa-btn {\
position: absolute;\
right: 20px;\
bottom: 20px;\
background-color: RGB(119,119,119);\
color: rgb(255,255,255);\
height: 50px;\
width: 50px;\
border-radius: 50px;\
font-family: sans-serif;\
}\
</style>');
$('head').append(sheet_css);
gpa_div.hide();
$('html').append(gpa_div);
var btn = $('<button id="gpa-btn">GPA</button>');
btn.click(() => {
var app = $('#gpa');
if (app.css('display') == 'none')
app.css('display', '');
else
app.css('display', 'none');
});
$('html').append(btn);
showResult();
var gpa_modify = new Vue({
el: '#gpa-modify',
data: {
courses: course_lst
},
watch: {
courses: {
handler(newValue, oldValue) {
showResult();
},
deep: true
}
}
});
var calc_app = new Vue({
el: '#calc-app',
data: {
mat: calc_mat,
semesters: semesters
},
watch: {
mat: showResult
}
});
}
)
}
})();