添加关卡列表、关卡详情接口

src/main/java/com/example/catchTheLetters/controller/LevelController.java

@@ -3,13 +3,17 @@ package com.example.catchTheLetters.controller;
 import com.example.catchTheLetters.entity.Level;
 import com.example.catchTheLetters.model.vo.RankVo;
 import com.example.catchTheLetters.entity.ScoreInfo;
+import com.example.catchTheLetters.service.LevelService;
 import com.example.catchTheLetters.utils.R;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
+import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.List;
+
 /**
  * 关卡控制器
  *
@@ -20,17 +24,21 @@ import org.springframework.web.bind.annotation.*;
 @Api(tags = "关卡API")
 @RequestMapping("/level")
 public class LevelController {
+
+    @Resource
+    private LevelService levelService;
+
     @ApiOperation(value = "关卡列表（只返回ID、名称和类型）")
     @GetMapping("/list")
-    public R<Level> list() {
-        return null;
+    public R<List<Level>> list() {
+        return levelService.list();
     }
 
     @ApiOperation(value = "关卡详情")
     @GetMapping("/detail")
     @ApiParam(name = "id", value = "关卡ID")
     public R<Level> detail(Long id) {
-        return null;
+        return levelService.levelDetail(id);
     }
 
     @ApiOperation(value = "关卡创建（web前端管理员提交）")

src/main/java/com/example/catchTheLetters/service/LevelService.java

@@ -1,5 +1,10 @@
 package com.example.catchTheLetters.service;
 
+import com.example.catchTheLetters.entity.Level;
+import com.example.catchTheLetters.utils.R;
+
+import java.util.List;
+
 /**
  * @author 慕华
  * @date 2024/4/10
@@ -7,4 +12,8 @@ package com.example.catchTheLetters.service;
  * @description
  */
 public interface LevelService {
+
+    R<Level> levelDetail(Long id);
+
+    R<List<Level>> list();
 }

src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java

@@ -1,7 +1,17 @@
 package com.example.catchTheLetters.service.impl;
 
+import com.example.catchTheLetters.entity.Level;
+import com.example.catchTheLetters.service.LevelService;
+import com.example.catchTheLetters.utils.R;
+import jakarta.annotation.Resource;
+import org.springframework.data.annotation.QueryAnnotation;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 /**
  * @author 慕华
  * @date 2024/4/10
@@ -9,5 +19,25 @@ import org.springframework.stereotype.Service;
  * @description
  */
 @Service
-public class LevelServiceImpl {
+public class LevelServiceImpl implements LevelService {
+
+    @Resource
+    private MongoTemplate mongoTemplate;
+
+    @Override
+    public R<Level> levelDetail(Long id) {
+        Level level = mongoTemplate.findOne(new Query(Criteria.where("id").is(id)), Level.class);
+        if (level == null){
+            return R.fail("查询失败，请重试");
+        }
+        return R.ok(level);
+    }
+
+    @Override
+    public R<List<Level>> list() {
+        Query query = new Query();
+        query.fields().include("id").include("name").include("type");
+        List<Level> levels = mongoTemplate.find(query, Level.class);
+        return R.ok(levels);
+    }
 }