feat: add get club controller

src/main/java/org/blue/club/controller/ClubController.java

@@ -77,4 +77,10 @@ public class ClubController {
     public Result<Boolean> changeCommit(@RequestBody ChangeClubCommitRequest request, @Auth(permissions = {@PermissionDescription(3), @PermissionDescription(value = 1, type = DescriptionType.CLUB)}) User user) {
         return clubServices.changeCommit(request, user);
     }
+
+    @GetMapping("/{id}")
+    @Operation(description = "获取社团")
+    public Result<ClubVo> getClub(@Schema(description = "社团ID") @PathVariable("id") long id) {
+        return clubServices.getClub(id);
+    }
 }

src/main/java/org/blue/club/services/ClubServices.java

@@ -166,4 +166,8 @@ public class ClubServices {
         clubDao.update(clubVo);
         return Result.success(true);
     }
+
+    public Result<ClubVo> getClub(long id) {
+        return Result.success(clubDao.selectOneById(id));
+    }
 }