perf(query): 优化后台手机号精确查询

backend/internal/modules/distribution/repository.go

@@ -1138,8 +1138,13 @@ func (r *Repository) ListOrders(ctx context.Context, query DistributionOrderList
 		base = base.Where("f.settlement_status = ?", financialStatus)
 	}
 	if strings.TrimSpace(query.Keyword) != "" {
-		kw := "%" + strings.TrimSpace(query.Keyword) + "%"
-		base = base.Where("(ro.order_no LIKE ? OR rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ?)", kw, kw, kw, kw)
+		keyword := strings.TrimSpace(query.Keyword)
+		if isPhoneKeyword(keyword) {
+			base = base.Where("ro.renter_id = (SELECT id FROM users WHERE phone = ?)", keyword)
+		} else {
+			kw := "%" + keyword + "%"
+			base = base.Where("(ro.order_no LIKE ? OR rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ?)", kw, kw, kw, kw)
+		}
 	}
 	switch strings.TrimSpace(query.Kind) {
 	case "sold":
@@ -3034,8 +3039,13 @@ func (r *Repository) ListReceivedListings(ctx context.Context, adminID, siteID u
 		base = base.Where("ga.game_name = ?", q.GameName)
 	}
 	if q.Keyword != "" {
-		kw := "%" + strings.TrimSpace(q.Keyword) + "%"
-		base = base.Where("(rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ? OR u.nickname LIKE ?)", kw, kw, kw, kw)
+		keyword := strings.TrimSpace(q.Keyword)
+		if isPhoneKeyword(keyword) {
+			base = base.Where("rl.owner_id = (SELECT id FROM users WHERE phone = ?)", keyword)
+		} else {
+			kw := "%" + keyword + "%"
+			base = base.Where("(rl.listing_no LIKE ? OR ga.title LIKE ? OR u.phone LIKE ? OR u.nickname LIKE ?)", kw, kw, kw, kw)
+		}
 	}
 
 	var total int64
@@ -3609,7 +3619,11 @@ func (r *Repository) ListDistributionUsers(ctx context.Context, adminID, siteID
 	}
 
 	if kw := strings.TrimSpace(query.Keyword); kw != "" {
-		baseQuery = baseQuery.Where("u.phone LIKE ? OR u.nickname LIKE ?", "%"+kw+"%", "%"+kw+"%")
+		if isPhoneKeyword(kw) {
+			baseQuery = baseQuery.Where("u.phone = ?", kw)
+		} else {
+			baseQuery = baseQuery.Where("u.phone LIKE ? OR u.nickname LIKE ?", "%"+kw+"%", "%"+kw+"%")
+		}
 	}
 
 	var totalFiltered int64
@@ -3675,3 +3689,15 @@ func (r *Repository) ListDistributionUsers(ctx context.Context, adminID, siteID
 		OrderUsers: orderUsersCount,
 	}, nil
 }
+
+func isPhoneKeyword(s string) bool {
+	if len(s) != 11 || s[0] != '1' {
+		return false
+	}
+	for i := 0; i < len(s); i++ {
+		if s[i] < '0' || s[i] > '9' {
+			return false
+		}
+	}
+	return true
+}

backend/internal/modules/distribution/repository_test.go

@@ -911,6 +911,17 @@ func TestDistributionReceivedListingsAndWallet(t *testing.T) {
 	if recPage.Total != 1 || len(recPage.Items) != 1 {
 		t.Fatalf("expected 1 received listing, got %d", recPage.Total)
 	}
+	phonePage, err := repo.ListReceivedListings(t.Context(), 0, site.ID, ReceivedListingQuery{
+		Page:     1,
+		PageSize: 10,
+		Keyword:  user.Phone,
+	})
+	if err != nil {
+		t.Fatalf("ListReceivedListings by phone failed: %v", err)
+	}
+	if phonePage.Total != 1 || phonePage.Items[0].ListingID != listing.ID {
+		t.Fatalf("expected listing %d by phone, got total=%d items=%+v", listing.ID, phonePage.Total, phonePage.Items)
+	}
 	item := recPage.Items[0]
 	if item.ListingNo != "RL-99001" || item.GameName != "delta_force" || item.OwnerNickname != "seller01" {
 		t.Fatalf("unexpected received listing: %+v", item)
@@ -1804,6 +1815,18 @@ func TestListOrdersPerformanceAndScoping(t *testing.T) {
 	if len(allPage.Items) != 2 {
 		t.Fatalf("expected 2 items, got %d", len(allPage.Items))
 	}
+	phonePage, err := repo.ListOrders(t.Context(), DistributionOrderListQuery{
+		SiteID:  0,
+		Page:    1,
+		Size:    10,
+		Keyword: u.Phone,
+	})
+	if err != nil {
+		t.Fatalf("ListOrders by phone failed: %v", err)
+	}
+	if phonePage.Total != 2 {
+		t.Fatalf("expected 2 distribution orders by renter phone, got %d", phonePage.Total)
+	}
 
 	// B. 分销商1查询其订单 (SiteID = site1.ID)
 	// 预期：只查出 distOrder1