fix：模拟考试，交卷修改

src/components/exam/examCard.vue

@@ -33,7 +33,7 @@
             <div class="txt">{{ currentItem.sign ? '已标记' : '标记' }}</div>
           </div>
           <div class="end-exam-btn">
-            <div class="btn" v-if="hasSubmitBtn" @click="submitExam()">交卷</div>
+            <div class="btn" v-if="hasSubmitBtn" @click="submitExam">交卷</div>
           </div>
         </div>
       </div>
@@ -59,7 +59,6 @@ export default {
       disabled: false,
       hasResult: false,
       index: 0, // 当前题的下标
-      cacheAnswerTime: null, // 缓存题计时器
       countDownTime: null, // 倒计时计时器
       duration: 0, // 答题所用时间
       examTimeText: '',
@@ -86,14 +85,9 @@ export default {
     }
   },
   beforeDestroy() {
-    clearInterval(this.cacheAnswerTime) // 停止缓存
     clearInterval(this.countDownTime) // 停止倒计时
   },
   mounted() {
-    // 缓存答题
-    this.cacheAnswerTime = setInterval(() => {
-      this.submitExam(0)
-    }, 3000)
     // 答题倒计时
     this.countDown(this.data.remaining_times)
     this.duration = this.data.duration || 0
@@ -160,32 +154,9 @@ export default {
       item.sign ? (item.sign = false) : (item.sign = true)
       this.$forceUpdate()
     },
-    // 提交、缓存考试  isCache：0缓存，1提交
-    submitExam(isCache = 1) {
-      const id = this.data.id
-      const answer = {}
-      this.questionList.forEach(item => {
-        if (!answer[item.question_item_id]) answer[item.question_item_id] = {}
-        item.question_list.forEach(cItem => {
-          answer[item.question_item_id][cItem.id] = {
-            sign: cItem.sign ? cItem.sign : false,
-            answer: cItem.user_answer
-          }
-        })
-      })
-      const param = {
-        sheet_id: id,
-        status: isCache, // 0缓存，1提交
-        answers: JSON.stringify(answer),
-        duration: this.duration
-      }
-      api.setCache(param).then(response => {
-        if (isCache) {
-          this.$router.replace({
-            path: '/testExam/result'
-          })
-        }
-      })
+    // 提交考试
+    submitExam() {
+      this.$emit('submitExam')
     },
     // 组装试题数据
     genQuestions(data) {

src/pages/exam/testExam/exam/index.vue

 <template>
-  <exam-card title="模拟考试" :data="data" v-if="Object.keys(data).length"></exam-card>
+  <exam-card @submitExam="submitExam" ref="exam" title="模拟考试" :data="data" v-if="Object.keys(data).length"></exam-card>
 </template>
 <script>
 import * as api from '@/api/exam.js'
@@ -8,7 +8,9 @@ export default {
   components: { ExamCard },
   data() {
     return {
-      data: {}
+      data: {
+        cacheAnswerTime: null // 缓存题计时器
+      }
     }
   },
   computed: {
@@ -17,9 +19,16 @@ export default {
     }
   },
   created() {
+    // 缓存答题
+    this.cacheAnswerTime = setInterval(() => {
+      this.submitExam(0)
+    }, 3000)
     // 获取考卷
     this.getTopic()
   },
+  beforeDestroy() {
+    clearInterval(this.cacheAnswerTime) // 停止缓存
+  },
   methods: {
     // 获取考卷
     getTopic() {
@@ -33,6 +42,34 @@ export default {
       api.getExamQuestion(param).then(response => {
         this.data = JSON.parse(response.data).sheet
       })
+    },
+    // 提交考卷 isCache：0缓存，1提交
+    submitExam(isCache = 1) {
+      const refData = this.$refs.exam
+      const id = this.data.id
+      const answer = {}
+      refData.questionList.forEach(item => {
+        if (!answer[item.question_item_id]) answer[item.question_item_id] = {}
+        item.question_list.forEach(cItem => {
+          answer[item.question_item_id][cItem.id] = {
+            sign: cItem.sign ? cItem.sign : false,
+            answer: cItem.user_answer
+          }
+        })
+      })
+      const param = {
+        sheet_id: id,
+        status: isCache, // 0缓存，1提交
+        answers: JSON.stringify(answer),
+        duration: refData.duration
+      }
+      api.setCache(param).then(response => {
+        if (isCache) {
+          this.$router.replace({
+            path: '/testExam/result'
+          })
+        }
+      })
     }
   }
 }