加入房间逻辑完善

src/pages/battle-room.vue

@@ -225,7 +225,6 @@ const destroyRoom = async () => {
 };
 
 const exitRoom = async () => {
-  await exitRoomAPI(roomNumber.value);
   uni.navigateBack();
 };
 

src/pages/friend-battle.vue

@@ -6,7 +6,11 @@ import Guide from "@/components/Guide.vue";
 import SButton from "@/components/SButton.vue";
 import SModal from "@/components/SModal.vue";
 import CreateRoom from "@/components/CreateRoom.vue";
-import { joinRoomAPI } from "@/apis";
+import { getRoomAPI, joinRoomAPI } from "@/apis";
+import useStore from "@/store";
+import { storeToRefs } from "pinia";
+const store = useStore();
+const { user } = storeToRefs(store);
 
 const showModal = ref(false);
 const warnning = ref("");
@@ -17,8 +21,12 @@ const enterRoom = async () => {
     warnning.value = "请输入房间号";
     showModal.value = true;
   } else {
-    const room = await joinRoomAPI(roomNumber.value);
+    const room = await getRoomAPI(roomNumber.value);
     if (room.number) {
+      const alreadyIn = room.members.find(
+        (item) => item.userInfo.id === user.value.id
+      );
+      if (!alreadyIn) await joinRoomAPI(roomNumber.value);
       roomNumber.value = "";
       uni.navigateTo({
         url: `/pages/battle-room?roomNumber=${room.number}`,