解决西柚教务系统无法查看成绩明细的问题
// ==UserScript==
// @name 西柚教务增强脚本
// @namespace https://github.com/Hami-Lemon/SwpuEducationEnhance
// @version 1.1.0
// @description 解决西柚教务系统无法查看成绩明细的问题
// @author Hami Lemon
// @match *://jwxt.swpu.edu.cn/gradeLnAllAction.do*
// @match *://jwxt.swpu.edu.cn/bxqcjcxAction.do*
// @exclude *://jwxt.swpu.edu.cn/bxqcjcxAction.do?oper=cjmx*
// @require https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js
// @run-at document-idle
// @grant unsafeWindow
// @grant GM_addStyle
// @license GPL-3.0
// @compatible firefox
// @compatible chrome
// @supportURL https://github.com/Hami-Lemon/SwpuEducationEnhance/issues
// @compatible edge
// @compatible safari
// ==/UserScript==
(function() {
/* 在现代浏览器中，此方法已被废弃（除了IE)，而查看成绩明细功能则是调用此方法来显示
详见：https://developer.mozilla.org/zh-CN/docs/Web/API/Window/showModalDialog */
unsafeWindow.showModalDialog = pageDialog;
//添加弹窗样式
GM_addStyle("div#dialog {" +
"max-height: 500px;" +
"text-align: center;" +
"position: fixed;" +
"left: 50%;" +
"top: 50%;" +
"box-sizing: border-box;" +
"overflow: auto;" +
"color: #000;" +
"background-color: #fff;" +
"border-radius: 6px;" +
"box-shadow: 0 3px 1px -2px rgb(0 0 0 / 20%), " +
"0 2px 2px 0 rgb(0 0 0 / 14%), " +
"0 1px 5px 0 rgb(0 0 0 / 12%);");
GM_addStyle("div#close {text-align: end;}");
GM_addStyle("div#close i {" +
"padding: 0 4px;" +
"color: #000;" +
"display: inline-block;" +
"width: 18px;" +
"height: 18px;" +
"font-size: 18px;" +
"border-radius: 0 6px 0 6px;" +
"text-align: center;}");
GM_addStyle("div#close i:hover {background-color: #F00;color: #FFF;cursor: pointer;}")
//匹配本学期成绩页面
if (location.href.search("bxqcjcxAction.do") != -1) {
//计算本学期的学分绩点，计算公式见学生手册33页（此公式为本科生的计算公式）
let calGPA = function(gradesTable) {
let gradesTr = gradesTable.find("thead tr");
//每门课学分*绩点的总和
let totalPoint = 0;
//总学分
let totalCredit = 0;
//遍历每一行数据
for (let i = 0; i < gradesTr.length; i++) {
let course = gradesTr.eq(i).find("td");
//成绩
let grades = course.eq(9)
.text()
.replace(/\s*/g, "");
//该课程没有成绩，不参与计算
if (grades == "") {
continue;
}
//学分
let credit = course.eq(4)
.text()
.replace(/\s*/g, "");
credit = Number(credit);
//学分绩点：（分数-60）/10+1
let gradePoint;
//成绩为按等级划分
switch (grades) {
case "优秀":
gradePoint = 4.5;
break;
case "良好":
gradePoint = 3.5;
break;
case "中等":
gradePoint = 2.5
break;
case "及格":
gradePoint = 1.5
break;
case "不及格":
gradePoint = 0;
break;
default:
gradePoint = -1;
break;
}
if (gradePoint == -1) {
grades = Number(grades);
if (grades < 60) {
gradePoint = 0;
} else {
gradePoint = (grades - 60) / 10 + 1;
}
}
totalCredit += credit;
totalPoint += (credit * gradePoint);
}
//平均学分绩点 总(学分*绩点）/ 总学分
return totalPoint / totalCredit;
}
let gradesTable = $("table#user.displayTag");
if (gradesTable != null) {
let gpa = calGPA(gradesTable);
if (!isNaN(gpa)) {
//保留小数点后三位（四舍五入）
gpa = gpa.toFixed(3);
let gpaRoot = $("<div></div>");
gpaRoot.css("font-size", "14px");
gpaRoot.css("margin", "30px 50px");
let gpaElement = $("<div></div>");
gpaElement.text("平均绩点：" + gpa);
let infoElement = $("<div>*没有成绩的课程不会参与计算</div>");
infoElement.css("font-size", "12px");
infoElement.css("color", "#E00");
infoElement.css("margin", "6px 0");
gpaRoot.append(gpaElement);
gpaRoot.append(infoElement);
$("body").append(gpaRoot);
}
}
}
//显示弹窗
function pageDialog(url) {
let dialog = $("<div id='dialog'>" +
"<div id='close'><i>X</i></div>" +
"<div id='loading'>正在加载。。。</div>" +
"<iframe frameborder='0'>你的浏览器不支持显示此内容</iframe>" +
"</div>");
//显示内容的iframe
let frame = dialog.find("iframe");
frame.prop("src", url);
frame.load(function() {
dialog.find("#loading").remove();
//内容的实际高度和宽度
let height = this.contentWindow.document.documentElement.scrollHeight;
let width = this.contentWindow.document.documentElement.scrollWidth;
frame.height(height);
frame.width(width += 200);
dialog.width(width)
//居中
dialog.css("margin-top", "-" + dialog.height() / 2 + "px");
dialog.css("margin-left", "-" + dialog.width() / 2 + "px")
})
//点击关闭
dialog.find("#close i")
.click(function() {
dialog.remove();
})
$("body").append(dialog);
}
})();