调整封装

gormx/gormx.go

@@ -0,0 +1,24 @@
+package gormx
+
+import "gorm.io/gorm"
+
+// 计算GORM DB的分页
+func GetDbOffset(db *gorm.DB, page, size int64) *gorm.DB {
+	offset := int(0)
+	limit := int(0)
+	if page <= 0 && size <= 0 {
+		// 最大可找1000条
+		limit = 1000
+	} else {
+		if page <= 0 {
+			page = 1
+		}
+		if size <= 0 {
+			size = 10
+		}
+		offset = int((page - 1) * size)
+		limit = int(size)
+	}
+
+	return db.Offset(offset).Limit(limit)
+}