修改离线下载的功能

src/features/OfflineExam/OfflineExamList.vue

@@ -29,9 +29,8 @@
             <template v-if="!course.isvalid">
               <div v-if="course.paperId" style="display: grid; grid-gap: 10px">
                 <i-button class="qm-primary-button" @click="previewPaper(course)">查看试卷</i-button>
-                <i-button :disabled="disableDownloadPaperBtn" class="qm-primary-button">
-                  <a :style="{color: disableDownloadPaperBtn ? 'gray' : 'white'}" :disabled="disableDownloadPaperBtn" @click="tempDisableBtn" :href="tk_server_url+'/api/ecs_ques/paper/export/'+course.paperId+'/PAPER/'+user.rootOrgName+'/'+course.paperId + '/offLine?$key='+user.key+'&$token='+user.token" download>下载试卷</a>
-                </i-button>
+                <a class="qm-primary-button" v-show="!disableDownloadPaperBtn" @click="tempDisableBtn" :href="tk_server_url+'/api/ecs_ques/paper/export/'+course.paperId+'/PAPER/'+user.rootOrgName+'/'+course.paperId + '/offLine?$key='+user.key+'&$token='+user.token" download>下载试卷</a>
+                <i-button v-if="disableDownloadPaperBtn" class="qm-primary-button">下载中</i-button>
                 <!-- <i-button class="qm-primary-button">
                   <a class="qm-primary-button" href="https://ecs-static.qmth.com.cn/offline-exam/答题卡.zip" download>下载答题卡</a>
                 </i-button> -->