Revert "离线考试-查看试卷-iframe"

This reverts commit b78c0b2e8727020436f10db8b6bf2e5ad5331134.

src/features/OfflineExam/OfflineExamList.vue

@@ -96,20 +96,6 @@
         </tr>
       </tbody>
     </table>
-    <iframe
-      :class="[previewUrl ? 'preview-window' : 'preview-window-none']"
-      :src="previewUrl"
-      frameborder="0"
-    ></iframe>
-    <i-button
-      :class="[
-        'qm-primary-button',
-        previewUrl ? 'preview-window-close' : 'preview-window-close-none',
-      ]"
-      @click="previewUrl = ''"
-    >
-      关闭
-    </i-button>
   </div>
 </template>
 
@@ -126,7 +112,6 @@ export default {
   data() {
     return {
       disableDownloadPaperBtn: false,
-      previewUrl: "",
     };
   },
   props: {
@@ -148,13 +133,11 @@ export default {
         isOnlineExam: true,
       };
       window.name = JSON.stringify(user);
-      // window.location.href =
-      //   TK_SERVER_HTML_URL +
-      //   "/admin/preview_paper/" +
-      //   course.paperId +
-      //   "?isback=true";
-      this.previewUrl =
-        TK_SERVER_HTML_URL + "/admin/preview_paper/" + course.paperId;
+      window.location.href =
+        TK_SERVER_HTML_URL +
+        "/admin/preview_paper/" +
+        course.paperId +
+        "?isback=true";
     },
     downloadOfflineFile(url) {
       window._hmt.push(["_trackEvent", "离线考试页面", "下载作答"]);
@@ -205,26 +188,4 @@ export default {
   border-collapse: separate !important;
   padding: 10px;
 }
-.preview-window {
-  position: absolute;
-  width: 100vw;
-  height: 100vh;
-  right: 0;
-  top: 0;
-}
-.preview-window-none {
-  position: absolute;
-  width: 0;
-  height: 0;
-  right: 0;
-  top: 0;
-}
-.preview-window-close {
-  position: absolute;
-  left: 40px;
-  top: 20px;
-}
-.preview-window-close-none {
-  display: none;
-}
 </style>