同上一条

Work/Extension/ConvertExtension.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Work.Extension;
+
+public static class ConvertExtension
+{
+	#region 转换为string
+	/// <summary>
+	/// 将object转换为string，若转换失败，则返回string.Empty。不抛出异常。  
+	/// </summary>
+	/// <param name="obj"></param>
+	/// <returns></returns>
+	public static string ParseToStr(this object obj)
+	{
+		try
+		{
+			if (obj == null)
+			{
+				return string.Empty;
+			}
+			else
+			{
+				if (obj is DateTime dt)
+					return dt.ToString("yyyy-MM-dd HH:mm:ss");
+				return obj.ToString();
+			}
+		}
+		catch
+		{
+			return string.Empty;
+		}
+	}
+
+	public static string ParseToNullableStr(this object obj)
+	{
+		try
+		{
+			if (obj == null)
+			{
+				return null;
+			}
+			else
+			{
+				if (obj is DateTime dt)
+					return dt.ToString("yyyy-MM-dd HH:mm:ss");
+				return obj.ToString();
+			}
+		}
+		catch
+		{
+			return null;
+		}
+	}
+
+	public static string ParseToStrs<T>(this object obj, string split = ",")
+	{
+		try
+		{
+			var list = obj as IEnumerable<T>;
+			if (list != null)
+			{
+				return string.Join(split, list);
+			}
+			else
+			{
+				return obj.ToString();
+			}
+		}
+		catch
+		{
+			return string.Empty;
+		}
+	}
+	#endregion
+}