fix version 1

module/ec/market/internal/logic/supply/fetch.go

@@ -15,21 +15,25 @@ import (
 // 供应商列表
 func Fetch(ctx context.Context, in *pb.MarketFetchRequest) (reply *pb.SupplyReply, err error) {
 	var (
-		cnt    int64 = 0
-		Offset int64 = (in.GetPageNo() - 1) * in.GetPageSize()
-		data         = make([]*models.MarketSupply, 0)
+		cnt  int64 = 0
+		data       = make([]*models.MarketSupply, 0)
 	)
 	_, err = service.ParseMetaCtx(ctx, nil)
 	if err != nil {
 		return nil, err
 	}
 
+	// 先归一化分页参数，再计算偏移量
 	if in.GetPageNo() < 1 {
 		in.PageNo = 1
 	}
 	if in.GetPageSize() < 10 {
 		in.PageSize = 50
 	}
+	if in.GetPageSize() > 200 {
+		in.PageSize = 200
+	}
+	Offset := (in.GetPageNo() - 1) * in.GetPageSize()
 	tx := impl.DBService.Model(&models.MarketSupply{}).Where("status = ?", 1)
 	if in.GetIdentity() != "" {
 		tx.Where("identity = ?", in.GetIdentity())
@@ -40,6 +44,6 @@ func Fetch(ctx context.Context, in *pb.MarketFetchRequest) (reply *pb.SupplyRepl
 	}
 	return &pb.SupplyReply{
 		Data:  ref(data),
-		Count: int64(len(data)),
+		Count: cnt,
 	}, nil
 }