💾 ✔️ Feat, Test(ListHelper): Cut ending now available and init unit test.

Author: Dynesshely

Common.BasicHelper.Test/Utils/Extensions/ListHelper_Tests.cs

@@ -0,0 +1,27 @@
+namespace Common.BasicHelper.Utils.Extensions;
+
+[TestClass()]
+public class ListHelper_Tests
+{
+    [TestMethod()]
+    public void Test_ToCustomString()
+    {
+        Assert.AreEqual
+        (
+            new List<int>()
+            {
+                1, 2, 3, 4, 5, 6, 7,
+            }.ToCustomString().Print(),
+            "1,2,3,4,5,6,7"
+        );
+
+        Assert.AreEqual
+        (
+            new List<int>()
+            {
+                1, 2, 3, 4, 5, 6, 7,
+            }.ToCustomString(cutEnding: false).Print(),
+            "1,2,3,4,5,6,7,"
+        );
+    }
+}

Common.BasicHelper/Utils/Extensions/ListHelper.cs

@@ -12,7 +12,7 @@ public static class ListHelper
     /// <param name="list">列表</param>
     /// <param name="separater">分隔符</param>
     /// <returns>自定义字符串</returns>
-    public static string ToCustomString<T>(this List<T> list, string separater = ",")
+    public static string ToCustomString<T>(this List<T> list, string separater = ",", bool cutEnding = true)
     {
         var sb = new StringBuilder();
 
@@ -22,7 +22,9 @@ public static string ToCustomString<T>(this List<T> list, string separater = ","
             sb.Append(separater);
         }
 
-        return sb.ToString();
+        var result = sb.ToString();
+
+        return cutEnding ? result[0..(result.Length - separater.Length)] : result;
     }
 
 }