1 引用 using System.Runtime.InteropServices; 2 3 4 [DllImport("kernel32.dll", EntryPoint = "GetSystemDefaultLCID")] 5 public static extern int GetSystemDefaultLCID(); 6 [DllImport("kernel32.dll", EntryPoint = "SetLocaleInfoA")] 7 public static extern int SetLocaleInfo(int Locale, int LCType, string lpLCData); 8 public const int LOCALE_SLONGDATE = 0x20; 9 public const int LOCALE_SSHORTDATE = 0x1F; 10 public const int LOCALE_STIME = 0x1003; 11 12 public void SetDateTimeFormat() 13 { 14 try 15 { 16 int x = GetSystemDefaultLCID(); 17 SetLocaleInfo(x, LOCALE_STIME, "HH:mm:ss"); //时间格式 18 SetLocaleInfo(x, LOCALE_SSHORTDATE, "yyyy-MM-dd"); //短日期格式 19 SetLocaleInfo(x, LOCALE_SLONGDATE, "yyyy-MM-dd"); //长日期格式 20 } 21 catch (Exception ex) 22 { 23 Console.WriteLine(ex); 24 } 25 }