feat: 添加获取当前用户积分余额的接口

src/main/java/com/gameplatform/server/controller/admin/AccountController.java

@@ -3,6 +3,7 @@ package com.gameplatform.server.controller.admin;
 import com.gameplatform.server.model.dto.account.*;
 import com.gameplatform.server.model.dto.common.PageResult;
 import com.gameplatform.server.service.account.AccountService;
+import com.gameplatform.server.security.JwtService;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
 import io.swagger.v3.oas.annotations.tags.Tag;
@@ -16,9 +17,11 @@ import reactor.core.publisher.Mono;
 @Tag(name = "管理员账户管理", description = "管理员账户的增删改查操作")
 public class AccountController {
     private final AccountService accountService;
+    private final JwtService jwtService;
 
-    public AccountController(AccountService accountService) {
+    public AccountController(AccountService accountService, JwtService jwtService) {
         this.accountService = accountService;
+        this.jwtService = jwtService;
     }
 
     @GetMapping
@@ -72,5 +75,27 @@ public class AccountController {
     public Mono<Void> resetPassword(@Parameter(description = "账户ID") @PathVariable Long id, @Valid @RequestBody ResetPasswordRequest req) {
         return accountService.resetPassword(id, req.getNewPassword(), Boolean.TRUE.equals(req.getForceLogout()));
     }
+
+    @GetMapping("/me/points-balance")
+    @Operation(summary = "获取当前用户积分余额", description = "根据token解析用户ID并获取当前用户的积分余额")
+    public Mono<PointsBalanceResponse> getCurrentUserPointsBalance(
+            @Parameter(hidden = true) @RequestHeader("Authorization") String authHeader) {
+        return Mono.fromCallable(() -> {
+                    if (authHeader == null || !authHeader.startsWith("Bearer ")) {
+                        throw new IllegalArgumentException("Authorization header is required");
+                    }
+                    
+                    String token = authHeader.substring(7);
+                    io.jsonwebtoken.Claims claims = jwtService.parse(token);
+                    Long userId = claims.get("userId", Long.class);
+                    
+                    if (userId == null) {
+                        throw new IllegalArgumentException("Invalid token: userId not found");
+                    }
+                    
+                    return userId;
+                })
+                .flatMap(accountService::getCurrentUserPointsBalance);
+    }
 }
 

src/main/java/com/gameplatform/server/model/dto/account/PointsBalanceResponse.java

@@ -0,0 +1,50 @@
+package com.gameplatform.server.model.dto.account;
+
+import io.swagger.v3.oas.annotations.media.Schema;
+
+@Schema(description = "用户积分余额响应")
+public class PointsBalanceResponse {
+    @Schema(description = "用户ID")
+    private Long userId;
+    
+    @Schema(description = "用户名")
+    private String username;
+    
+    @Schema(description = "用户类型")
+    private String userType;
+    
+    @Schema(description = "积分余额")
+    private Long pointsBalance;
+
+    public Long getUserId() {
+        return userId;
+    }
+
+    public void setUserId(Long userId) {
+        this.userId = userId;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getUserType() {
+        return userType;
+    }
+
+    public void setUserType(String userType) {
+        this.userType = userType;
+    }
+
+    public Long getPointsBalance() {
+        return pointsBalance;
+    }
+
+    public void setPointsBalance(Long pointsBalance) {
+        this.pointsBalance = pointsBalance;
+    }
+}

src/main/java/com/gameplatform/server/service/account/AccountService.java

@@ -4,6 +4,7 @@ import com.gameplatform.server.mapper.account.UserAccountMapper;
 import com.gameplatform.server.model.dto.account.AccountCreateRequest;
 import com.gameplatform.server.model.dto.account.AccountResponse;
 import com.gameplatform.server.model.dto.account.AccountUpdateRequest;
+import com.gameplatform.server.model.dto.account.PointsBalanceResponse;
 import com.gameplatform.server.model.dto.common.PageResult;
 import com.gameplatform.server.model.entity.account.UserAccount;
 import org.springframework.security.crypto.password.PasswordEncoder;
@@ -144,6 +145,24 @@ public class AccountService {
                 .then();
     }
 
+    public Mono<PointsBalanceResponse> getCurrentUserPointsBalance(Long userId) {
+        return Mono.fromCallable(() -> {
+                    UserAccount account = mapper.selectById(userId);
+                    if (account == null) {
+                        throw new IllegalArgumentException("用户不存在");
+                    }
+                    
+                    PointsBalanceResponse response = new PointsBalanceResponse();
+                    response.setUserId(account.getId());
+                    response.setUsername(account.getUsername());
+                    response.setUserType(account.getUserType());
+                    response.setPointsBalance(account.getPointsBalance());
+                    
+                    return response;
+                })
+                .subscribeOn(Schedulers.boundedElastic());
+    }
+
     private AccountResponse toResp(UserAccount a) {
         if (a == null) return null;
         AccountResponse r = new AccountResponse();