修复提现拒绝审核参数校验

backend/internal/modules/withdrawal/admin.go

@@ -87,7 +87,8 @@ func (r *Repository) Review(ctx context.Context, adminID, id uint64, req ReviewW
 		}
 
 		now := time.Now()
-		if req.Approved {
+		approved := *req.Approved
+		if approved {
 			// 审核通过，进入处理中状态
 			withdrawal.Status = "processing"
 		} else {
@@ -103,7 +104,7 @@ func (r *Repository) Review(ctx context.Context, adminID, id uint64, req ReviewW
 		}
 
 		// 如果拒绝，解冻余额
-		if !req.Approved {
+		if !approved {
 			if err := wallet.AppendEntries(tx, wallet.Entry{
 				UserID:      withdrawal.UserID,
 				Direction:   "out",

backend/internal/modules/withdrawal/dto.go

@@ -61,7 +61,7 @@ type CreateWithdrawalRequest struct {
 }
 
 type ReviewWithdrawalRequest struct {
-	Approved bool   `json:"approved" binding:"required"`
+	Approved *bool  `json:"approved" binding:"required"`
 	Remark   string `json:"remark"`
 }
 

backend/internal/modules/withdrawal/dto_test.go

@@ -0,0 +1,41 @@
+package withdrawal
+
+import (
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+)
+
+func TestReviewWithdrawalRequestBindApprovedFalse(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	c, _ := gin.CreateTestContext(httptest.NewRecorder())
+	c.Request = httptest.NewRequest("POST", "/admin/withdrawals/1/review", strings.NewReader(`{"approved":false,"remark":"资料不符"}`))
+	c.Request.Header.Set("Content-Type", "application/json")
+
+	var req ReviewWithdrawalRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		t.Fatalf("approved=false 应该通过参数绑定: %v", err)
+	}
+	if req.Approved == nil {
+		t.Fatal("approved 字段应该被识别为已传入")
+	}
+	if *req.Approved {
+		t.Fatal("approved=false 不应该被绑定成 true")
+	}
+}
+
+func TestReviewWithdrawalRequestBindMissingApproved(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+
+	c, _ := gin.CreateTestContext(httptest.NewRecorder())
+	c.Request = httptest.NewRequest("POST", "/admin/withdrawals/1/review", strings.NewReader(`{"remark":"资料不符"}`))
+	c.Request.Header.Set("Content-Type", "application/json")
+
+	var req ReviewWithdrawalRequest
+	if err := c.ShouldBindJSON(&req); err == nil {
+		t.Fatal("缺少 approved 字段时应该参数绑定失败")
+	}
+}

backend/internal/modules/withdrawal/handler.go

@@ -230,6 +230,8 @@ func writeError(c *gin.Context, err error) {
 		response.BadRequest(c, "提现金额超过最大限额")
 	case ErrWithdrawalLocked:
 		response.BadRequest(c, "提现申请状态已锁定，无法操作")
+	case ErrInvalidReviewAction:
+		response.BadRequest(c, "审核参数无效")
 	case ErrUnauthorized:
 		response.Unauthorized(c, "无权限操作")
 	default:

backend/internal/modules/withdrawal/service.go

@@ -13,6 +13,7 @@ var (
 	ErrMinWithdrawalAmount   = errors.New("amount below minimum withdrawal")
 	ErrMaxWithdrawalAmount   = errors.New("amount exceeds maximum withdrawal")
 	ErrWithdrawalLocked      = errors.New("withdrawal status locked")
+	ErrInvalidReviewAction   = errors.New("invalid review action")
 	ErrUnauthorized          = errors.New("unauthorized")
 )
 
@@ -99,6 +100,9 @@ func (s *Service) Review(ctx context.Context, adminID, id uint64, req ReviewWith
 	if s.repo == nil {
 		return nil, ErrDependencyUnavailable
 	}
+	if req.Approved == nil {
+		return nil, ErrInvalidReviewAction
+	}
 	return s.repo.Review(ctx, adminID, id, req)
 }