课程内考试，支持选择试卷

src/components/Course/exam.vue

@@ -119,6 +119,7 @@
 <script>
 import apiStudy from '@/api/modules/courseStudy.js';
 import apiCourse from '@/api/modules/course.js';
+import apiExamPaper from '@/api/modules/paper.js';
 import {formatDate,formatSeconds} from '@/utils/datetime.js';
 import {testType,correctJudgment,numberToLetter} from '@/utils/tools.js';
 export default {
@@ -168,7 +169,11 @@ export default {
       records:[] ,//考试记录
       allowSubmit:true,//是否允许考试，尝试次数达到后不能再考试，暂时未使用
       detailShow:false,
-      detailItems:[]
+      detailItems:[],
+      examPaper:{
+        json:{},//试题的json格式
+        items:[],//试题内容
+      }
     };
   },
   mounted() {
@@ -217,8 +222,6 @@ export default {
                       this.total=paper.items.length;
                       this.paper =paper;
                       //console.log(this.paper);
-
-
                       this.viewTest =paper.items;
                }
                if(!this.showTest && this.showRecord){
@@ -260,30 +263,78 @@ export default {
         })
       }
     },
+    //独立考试的试题转化为课内考试的试题
+    convertToItems(questions){
+        let qitems=[];
+        questions.forEach(item=>{
+             let q={
+                id:item.id,
+                type:item.type==1? 101:item.type==2? 102:103,
+                score:item.defaultScore,
+                checked:false,
+                userAnswer:'',
+                optShow:true,
+                content:item.title,
+                options:[]
+             }
+             item.optionList.forEach(opt=>{
+                q.options.push({
+                  id:opt.id,
+                  content:opt.content,
+                  answer:opt.isAnswer,
+                  checked:false
+                })
+             });
+             if(q.type==102){
+               q.userAnswer=[];
+             }
+             qitems.push(q);
+        });
+        return qitems;
+    },
     startTest(){
-      let paper= JSON.parse(this.info.paperContent);
-      paper.items.forEach(item=>{
-        //console.log(item);
-        if(item.type==101){
-          item.userAnswer='';
-        }else if(item.type==102){
-          item.userAnswer=[];
-        }else{
-          item.userAnswer=''
-        }
-        item.options.forEach(opt=>{
-        	opt.checked=false;
+      if(this.info.paperType==2){
+        apiExamPaper.getPaperContent(this.info.paperId).then(rs=>{
+          if(rs.status=200){
+             this.examPaper.json=JSON.parse(rs.result);
+             //console.log(this.examPaper.json,'this.examPaper.json');
+             let qitems=this.convertToItems(this.examPaper.json);
+            this.paper ={items:qitems};
+            this.total=qitems.length;
+            this.curItem=qitems[this.curIndex];
+            this.startTime=new Date();//记录开始时间
+            this.timerValue=this.info.testDuration;
+            this.timer=setInterval(this.changeTimer,60000);
+            this.testStart=true;
+          }else{
+            this.$message.error('加载试卷内容失败，请与管理员联系，试卷是否已删除');
+          }
         })
-      });
-      this.total=paper.items.length;
-      this.paper =paper;
-      //console.log(this.paper);
+      }else{
+        let paper= JSON.parse(this.info.paperContent);
+        paper.items.forEach(item=>{
+          //console.log(item);
+          if(item.type==101){
+            item.userAnswer='';
+          }else if(item.type==102){
+            item.userAnswer=[];
+          }else{
+            item.userAnswer=''
+          }
+          item.options.forEach(opt=>{
+            opt.checked=false;
+          })
+        });
+        this.total=paper.items.length;
+        this.paper =paper;
+        //console.log(this.paper);
 
-      this.curItem=paper.items[this.curIndex];
-      this.startTime=new Date();//记录开始时间
-      this.timerValue=this.info.testDuration;
-      this.timer=setInterval(this.changeTimer,60000);
-      this.testStart=true;
+        this.curItem=paper.items[this.curIndex];
+        this.startTime=new Date();//记录开始时间
+        this.timerValue=this.info.testDuration;
+        this.timer=setInterval(this.changeTimer,60000);
+        this.testStart=true;
+      }
     },
     chooseOption(opt){
     	if(this.curItem.type==101 || this.curItem.type==103){