增加对数组的操作的扩展类

Rs.Framework/ArrayExt.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Rs.Framework
+{
+    public static class ArrayExt
+    {
+        /// <summary>
+        /// 把数组转化为字符串，以指定的字符串分割
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="arr"></param>
+        /// <param name="separator"></param>
+        /// <returns></returns>
+        public static string ToJoinString<T>(this IEnumerable<T> arr, string separator = ",")
+        {
+            return string.Join(separator, arr);
+        }
+    }
+}

Rs.Framework/Rs.Framework.csproj

@@ -55,6 +55,7 @@
   </ItemGroup>
   <ItemGroup>
     <Compile Include="AngleTool.cs" />
+    <Compile Include="ArrayExt.cs" />
     <Compile Include="ControlManager.cs" />
     <Compile Include="CopyObject.cs" />
     <Compile Include="EntityHelper.cs" />