// ==UserScript==
// @name         奥鹏答案获取
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  实现在问题上显示答案!
// @author       SQ
// @match        https://learn.open.com.cn/StudentCenter/OnLineJob/TestPaper*
// @grant        GM_getResourceURL
// @run-at document-idle
// ==/UserScript==
//全局问题
var question;
//请求的问题封装（方便根据id查找对应的对象）
var map={};
//根据问题的id来获取答案封装
var answer={};
function addXMLRequestCallback(callback){
var oldSend, i;
if( XMLHttpRequest.callbacks ) {
// we've already overridden send() so just add the callback
XMLHttpRequest.callbacks.push( callback );
} else {
// create a callback queue
XMLHttpRequest.callbacks = [callback];
// store the native send()
oldSend = XMLHttpRequest.prototype.send;
// override the native send()
XMLHttpRequest.prototype.send = function(){
// process the callback queue
// the xhr instance is passed into each callback but seems pretty useless
// you can't tell what its destination is or call abort() without an error
// so only really good for logging that a request has happened
// I could be wrong, I hope so...
// EDIT: I suppose you could override the onreadystatechange handler though
for( i = 0; i < XMLHttpRequest.callbacks.length; i++ ) {
XMLHttpRequest.callbacks[i]( this );
}
// call the native send()
oldSend.apply(this, arguments);
}
}
}
//根据问题找出具体的id
function initquestion(question){
//找出的问题数组
let list= question.data.paperInfo.Items;
list.forEach((item,index,array)=>{
map[item.I1]=item
//封装请求
let basturl = 'https://learn.open.com.cn/StudentCenter/OnlineJob/GetQuestionDetail?bust=${bust}&itemBankId=${itemBankId}&questionId=${questionId}&_=1596253257714'
let bust=(new Date()).getTime() ;
let itemBankId=item.I4;
let questionId =item.I1;
let rquurl = basturl.replace('${bust}',bust).replace('${itemBankId}',itemBankId).replace('${questionId}',questionId);
map[item.I1]=rquurl
fetch(rquurl,{
method: 'GET',
headers:{
'cookie':document.cookie
}
}).then(response =>response.json()).then(data =>{
console.log('=======data==================')
console.log(data);
let choiceslist= data.data.Choices
let questionlist = new Array();
choiceslist.forEach((iteam,index,array)=>{
if(iteam.IsCorrect){
questionlist.push(iteam.I1 +" "+iteam.I2);
}
})
//根据名称直接赋值
let dom= document.querySelector("div[itemid='"+item.I1+"']")
//创建元素开始赋值
//获取标题
let title=dom.getElementsByClassName('Subject-Title')
let div=  document.createElement("div");
let div_p= document.createElement("p");
div_p.innerText+="答案：";
div.appendChild(div_p)
questionlist.forEach((iteam,index,array)=>{
let div_p_p= document.createElement("p");
div_p_p.innerHTML+=iteam;
div.appendChild(div_p_p)
div.className ='Student-Answer';
})
title[0].appendChild(div)
console.log('=======questionlist==================')
console.log(questionlist)
questionlist
answer[item.I1]=questionlist;
return data;
} )
})
}
(function() {
'use strict';
// Your code here...
addXMLRequestCallback( function( xhr ) {
xhr.addEventListener("load", function(){
if ( xhr.readyState == 4 && xhr.status == 200 ) {
console.log(xhr.responseURL);
if ( xhr.responseURL.includes("homeworkapi.open.com.cn/getHomework") ) {
console.log(xhr.responseURL);
question=JSON.parse(xhr.responseText);
console.log(question);
initquestion(question);
}
}
});
});
//延迟执行
// setTimeout(function(){
// console.log('=======延迟执行==================')
// console.log('=======接受的值==================')
// console.log(question);
//初始化
//initquestion(question);
// console.log('========正确答案==================')
//           console.log(answer)
//  }, 10000);
})();