1、DataTable两表复制优化

2、增加DataRow行复制

FunnyPick/FunnyPick/EasyDataTable.cs

@@ -65,23 +65,38 @@ namespace FunnyPick
 
 
         /// <summary>
-        /// 复制相同列
+        /// 复制两表（针对同结构，不同结构只复制相同列）
         /// </summary>
         /// <param name="dtFrom">源表</param>
         /// <param name="dtTarget">目标表</param>
         /// <param name="distinctCol">去重列</param>
-        /// <param name="ExceptColList">去除列(即包含在此列表中的列不复制)</param>
-        public void CopySameCol(DataTable dtFrom, DataTable dtTarget, string distinctCol, List<string> ExceptColList = null)
+        /// <param name="AlwaysList">总是覆盖列(即包含在此列表中的列总是复制)</param>
+        /// <param name="ExceptList">去除列(即包含在此列表中的列不复制)</param>
+        public void CopyTable(DataTable dtFrom, DataTable dtTarget, string distinctCol = "", List<string> AlwaysList = null, List<string> ExceptList = null)
         {
+            if (dtFrom == null || dtTarget == null)
+                return;
+            //
             foreach (DataRow r in dtFrom.Rows)
             {
                 if (IsIllegalDataRow(r))
                     continue;
-                //如果去重列不为空，并且两表都包含该列，则取出重复值
+                //如果去重列不为空，并且两表都包含该列，则去除重复值
                 if (!string.IsNullOrEmpty(distinctCol) && dtFrom.Columns.Contains(distinctCol) && dtTarget.Columns.Contains(distinctCol))
                 {
-                    if (dtTarget.Select($"{distinctCol}='{r[distinctCol]}'").Length > 0)
+                    DataRow[] rows = dtTarget.Select($"{distinctCol}='{r[distinctCol]}'");
+                    if (rows.Length > 0 && AlwaysList != null)
+                    {
+                        foreach (var s in AlwaysList)
+                        {
+                            if (!dtFrom.Columns.Contains(s) || !dtTarget.Columns.Contains(s))
                                 continue;
+                            rows[0][s] = r[s];
+                        }
+                        rows[0].EndEdit();
+                        continue;
+                    }
+
                 }
                 //创建目标新行
                 DataRow drNew = dtTarget.NewRow();
@@ -89,7 +104,7 @@ namespace FunnyPick
                 {
                     string ColName = c.ColumnName;
                     //ID和指定忽略的列，不复制
-                    if (ColName.Equals("ID") || ExceptColList?.IndexOf(ColName) >= 0)
+                    if (ColName.Equals("ID") || ExceptList?.IndexOf(ColName) >= 0)
                         continue;
                     if (dtTarget.Columns.Contains(ColName))
                     {
@@ -100,6 +115,32 @@ namespace FunnyPick
                 dtTarget.Rows.Add(drNew);
             }
         }
+
+        /// <summary>
+        /// 复制两行（针对相同结构，不同结构只复制相同列）
+        /// </summary>
+        /// <param name="drFrom">源行</param>
+        /// <param name="drTarget">目标行</param>
+        /// <param name="ExceptList">去除列(即其中包含的列不复制到目标行)</param>
+        public static void CopyRow(DataRow drFrom, DataRow drTarget, List<string> ExceptList = null)
+        {
+            if (drFrom == null || drTarget == null)
+                return;
+            //
+            foreach (DataColumn c in drFrom.Table.Columns)
+            {
+                string ColName = c.ColumnName;
+                //ID和指定列不复制
+                if (ColName.Equals("ID") || ExceptList?.IndexOf(ColName) >= 0)
+                    continue;
+                if (drTarget.Table.Columns.Contains(ColName))
+                {
+                    drTarget[ColName] = drFrom[ColName];
+                }
+                drTarget.EndEdit();
+            }
+        }
+
         /// <summary>
         /// 是否无效行
         /// </summary>