used to calculate average scores for HEU students
// ==UserScript==
// @name HEU_SCORE
// @namespace Xiuchen
// @version 0.3
// @description used to calculate average scores for HEU students
// @author Xiuchen
// @match https://edusys.wvpn.hrbeu.edu.cn/jsxsd/kscj/cjcx_list
// @match http://edusys.hrbeu.edu.cn/jsxsd/kscj/cjcx_list
// @grant none
// @require https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js
// ==/UserScript==
(function() {
'use strict';
//alert("正在计算均分");
var list = document.getElementById("dataList");
var avg = 0, cnt = 0;
if(list.rows.length > 1 && list.rows[1].cells[0].innerHTML != "未查询到数据"){
var sum_score = 0, sum_cre = 0;
for(var i = 1; i < list.rows.length; i++){
var tmp = list.rows[i];
var sc;
if(tmp.cells[4].getElementsByTagName("a")[0] == undefined) sc = tmp.cells[4].innerHTML;
else sc = tmp.cells[4].getElementsByTagName("a")[0].innerHTML;
var cre = parseFloat(tmp.cells[5].innerHTML);
if(sc == "---"){
cnt++;
continue;
}
else if(sc == "优秀") sc = 95;
else if(sc == "良好") sc = 85;
else if(sc == "中等") sc = 75;
else if(sc == "及格") sc = 65;
else if(sc == "不及格"){
cnt++;
continue;
}
else if(sc < 60){
cnt++;
continue;
}
sum_score += sc * cre;
sum_cre += cre;
}
avg = sum_score / sum_cre;
avg = avg.toFixed(2);
}
$("body").append(" <div id='avg_score' style='left: 10px;bottom: 10px;background: #e5f2ff;overflow: hidden;z-index: 9999;position: fixed;padding:5px;text-align:center;width: 200px;height: 200px;border-bottom-left-radius: 4px;border-bottom-right-radius: 4px;border-top-left-radius: 4px;border-top-right-radius: 4px;'> </div>");
var by = document.getElementById("avg_score");
//添加label ，存放指标名称
//姓名学号
var lab_name = document.createElement("p");
lab_name.innerText = "姓名：" + document.getElementById("Top1_divLoginName").innerHTML;
lab_name.style.fontSize = "150%";
by.appendChild(lab_name);
//成绩
var lab_score = document.createElement("p");
lab_score.innerText = "平均分：" + avg.toString();
lab_score.style.fontSize = "200%";
by.appendChild(lab_score);
//挂科门数
var lab_fail = document.createElement("p");
lab_fail.innerHTML = "您有 " + "<strong style='font-size:22px; color:red'>" +cnt.toString() + "</strong>" + " 门挂科，挂科成绩未计入均分。如果之后通过了考试，通过考试的分数计入了均分。";
lab_fail.style.fontSize = "15px";
by.appendChild(lab_fail);
// Your code here...
})();