全屏置顶情况下，学生端失去焦点即退出

src/App.vue

@@ -10,8 +10,65 @@
 </template>
 
 <script>
+import { mapState } from "vuex";
+
 export default {
   name: "APP",
+  computed: {
+    ...mapState(["QECSConfig"]),
+  },
+  watch: {
+    QECSConfig() {
+      // console.log(this.$store.state.QECSConfig.PREVENT_CHEATING_CONFIG);
+      if (this.QECSConfig.PREVENT_CHEATING_CONFIG.includes("FULL_SCREEN_TOP")) {
+        if (typeof nodeRequire == "undefined") {
+          console.log("非考生端，不检测置顶状态");
+          this.logger({
+            action: "非考生端，不检测置顶状态",
+          });
+          return;
+        }
+        console.log("考生端，设置检测置顶状态");
+        this.logger({
+          action: "考生端，设置检测置顶状态",
+        });
+        let remote = window.nodeRequire("electron").remote;
+        // const { electron, dialog } = remote;
+        // console.log(remote);
+        // Module to control application life.
+        // const app = remote.app;
+        // const dialog = remote.dialog;
+        const mainWindow = remote.getCurrentWindow();
+        const blurHandler = () => {
+          // console.log("blur...");
+          // dialog.showErrorBox("学生端不是置顶状态", "退出学生端!");
+          // app.exit(0);
+          const redirectUrl = sessionStorage.getItem("redirectUrl");
+          this.logger({
+            action: "学生端不是置顶状态--退出",
+          });
+          console.log(`学生端不是置顶状态--退出`);
+          this.$Modal.error({
+            title: "学生端不是置顶状态",
+            content: "退出考试",
+            onOk: () => {
+              if (redirectUrl) {
+                window.location = redirectUrl;
+              } else {
+                this.$router.push(
+                  "/login/" +
+                    localStorage.getItem("domain") +
+                    "?LogoutReason=学生端不是置顶状态--退出"
+                );
+              }
+            },
+          });
+        };
+        mainWindow.removeListener("blur", blurHandler);
+        mainWindow.on("blur", blurHandler);
+      }
+    },
+  },
 };
 </script>