添加项目文件。

Epost.DAL/SkuInfoDAL.cs

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+using System;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Epost.DAL
+{
+    public class SkuInfoDAL
+    {
+        DataBaseOpration.OprationSqlDAL db = DB_DLL.GetInstance();
+        #region 根据sku查询对应主条码 location暂为上位下发的商品码，sku为对应的商品内码
+        public DataTable GetSkuInfoList(string sku)
+        {
+            
+            string sql = string.Format(" SELECT * FROM skuinfo WHERE  (CHARINDEX('{0}',location)>0) or sku='{1}'",
+                sku, sku);
+          
+           
+            return db.GetsqlForDT(sql);
+        }
+        #endregion
+
+        #region 根据sku查询对应主条码 location暂为上位下发的商品码，sku为对应的商品内码
+        public DataTable GetSkuInfo(string sku)
+        {
+            //string sql = string.Format("select * from skuinfo where sku='{0}'",
+            //    sku);
+            //string sql = string.Format(" SELECT * FROM skuinfo WHERE  (CHARINDEX('{0}',location)>0) or sku='{1}'",
+            //    sku, sku);
+            string sql = string.Format(" SELECT * FROM skuinfo WHERE   sku='{0}'",
+                sku);
+
+            return db.GetsqlForDT(sql);
+        }
+        #endregion
+
+        #region  删除skuinfo
+        public bool DeleteSkuinfo()
+        {
+            string sql = string.Format("delete  from skuinfo");
+            long x= db.DeleteSql(sql);
+            if (x > 0)
+                return true;
+            return false;
+        }
+        #endregion
+
+        
+
+    }
+}