feat: 用户相关api接口

src/main/java/com/webgame/webgamebackend/service/impl/UserServiceImpl.java

@@ -0,0 +1,31 @@
+package com.webgame.webgamebackend.service.impl;
+
+import cn.dev33.satoken.stp.StpUtil;
+import com.webgame.webgamebackend.common.dto.user.UserInfoResponse;
+import com.webgame.webgamebackend.common.exception.BusinessException;
+import com.webgame.webgamebackend.common.exception.ErrorCode;
+import com.webgame.webgamebackend.entities.UserEntity;
+import com.webgame.webgamebackend.repository.UserRepository;
+import com.webgame.webgamebackend.service.UserService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+
+/**
+ * 用户服务实现
+ */
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class UserServiceImpl implements UserService {
+
+    private final UserRepository userRepository;
+
+    @Override
+    public UserInfoResponse getCurrentUserInfo() {
+        String accountId = StpUtil.getLoginIdAsString();
+        UserEntity user = userRepository.findByAccountId(accountId)
+                .orElseThrow(() -> new BusinessException(ErrorCode.USER_NOT_FOUND));
+        return UserInfoResponse.from(user);
+    }
+}