计算学分绩
// ==UserScript==
// @name UPC数字石大教务系统[计算学分绩]
// @namespace http://tampermonkey.net/
// @version 1.1
// @description 计算学分绩
// @author 欢迎使用中石大在线学分绩计算器 by BigZhi "
// @match http://jwxt.upc.edu.cn/*
// @include http://jwxt.upc.edu.cn/*
// @grant unsafeWindow
// @license MIT
// ==/UserScript==
(function() {
var cjb=document.getElementById("dataList")
console.log(cjb)
var rows=cjb.getElementsByTagName("tr").length;
if(rows<40)
window.location.href = "http://jwxt.upc.edu.cn/jsxsd/kscj/cjcx_list"
var l=rows-1;
var cj=new Array(l);
var xf=new Array(l);
var bx=new Array(l);
var n,item,i=2
var cj_t=document.querySelector("#dataList > tbody > tr:nth-child("+i.toPrecision()+" )> td:nth-child(5) > a")
var xf_t=document.querySelector("#dataList > tbody > tr:nth-child("+i.toPrecision()+" )> td:nth-child(6) ")
var bx_t=document.querySelector("#dataList > tbody > tr:nth-child("+i.toPrecision()+" )> td:nth-child(10) ")
for(i=1;i<rows;++i)
{
n=i+1
item=cjb.getElementsByTagName("tr")[i];
cj[i]=Number(document.querySelector("#dataList > tbody > tr:nth-child("+n.toPrecision()+" )> td:nth-child(5) > a").innerHTML)
xf[i]=Number(document.querySelector("#dataList > tbody > tr:nth-child("+n.toPrecision()+" )> td:nth-child(6) ").innerHTML)
bx[i]=document.querySelector("#dataList > tbody > tr:nth-child("+n.toPrecision()+" )> td:nth-child(10) ").innerHTML
console.log(cj[i],xf[i],bx[i])
}
var bx_sum_cj=0,bx_sum_xf=0,xx_sum_cj=0,xx_sum_xf=0
for(i=1;i<rows;++i)
{
if(bx[i]!="任选")
{
bx_sum_cj=cj[i]*xf[i]+bx_sum_cj
bx_sum_xf=bx_sum_xf+xf[i]
}
else{
xx_sum_cj=cj[i]*xf[i]+xx_sum_cj
xx_sum_xf=xx_sum_xf+xf[i]
}
}
console.log(Number(bx_sum_cj)/bx_sum_xf)
console.log(rows-1)
var bx_xfj=bx_sum_cj/bx_sum_xf
var bx_xf=bx_sum_xf.toPrecision()
bx_xfj=bx_xfj.toFixed(3)
var xx_xfj=((xx_sum_cj/xx_sum_xf))
xx_xfj=xx_xfj.toFixed(3)
var xx_xf=(xx_sum_xf).toPrecision()
console.log(xx_xfj)
console.log(bx_xfj)
var mydiv = document.createElement("div")
mydiv.id = "gpadiv"
mydiv.style.zIndex = "100"
mydiv.style.position = "absolute"
mydiv.style.left = "940px"
mydiv.style.top = "120px"
mydiv.style.width = "360px"
mydiv.style.height = "100px"
mydiv.style.border = "5px solid"
mydiv.style.overflow = "auto"
mydiv.style.backgroundColor = "#F7F4EC"
mydiv.style.color="#000000"
mydiv.style.fontSize="16px"
mydiv.style.lineHeight="24px"
document.body.appendChild(mydiv)
var writestr=""
writestr+="<div style=\"clear:both; text-align:center\">"
writestr+="欢迎使用中石大在线学分绩计算器 by 麻瓜一号 "
writestr+="<\/div>"
writestr+="<div style=\"clear:both;\">";
writestr+="<div id = 'content'>"
writestr+="<div style=\"clear:both; text-align:left; font-size:14px\">"
writestr+="<\/div>"
writestr+="<div style=\"clear:both;\">";
writestr+="<div style=\"float:left; width:80px; text-align:center\">必修学分绩： "+bx_xfj+"<\/div>";
writestr+="<div style=\"float:left; width:80px; text-align:center\">必修学分："+bx_xf+"<\/div>";
writestr+="<div style=\"float:left; width:80px; text-align:center\">选修学分绩： "+xx_xfj+"<\/div>";
writestr+="<div style=\"float:left; width:80px; text-align:center\">选修学分： "+xx_xf+"<\/div>";
// writestr+="<div style=\"float:left; width:50px; text-align:center\">"+"<input id=\"cb"+n+"\" type=\"checkbox\" checked />"+"<\/div>";
writestr+="<\/div>";
mydiv.innerHTML=writestr;
})();