鍦–#涓紝DateTime.Compare()鏂规硶鐢ㄤ簬姣旇緝涓や釜DateTime瀵硅薄鐨勫€硷紝骞惰繑鍥炰竴涓〃绀哄畠浠殑鐩稿椤哄簭鐨勬暣鏁般€傛柟娉曠殑璇硶濡備笅锛?/p>

public static int Compare(DateTime t1, DateTime t2);

瑕佷娇鐢―ateTime.Compare()鏂规硶锛屽彧闇€瑕佷紶鍏ヨ姣旇緝鐨勪袱涓狣ateTime瀵硅薄浣滀负鍙傛暟锛屽苟鑾峰彇杩斿洖鐨勬暣鏁板€笺€傝繑鍥炵殑鏁存暟鍊肩殑鍚箟濡備笅锛?/p>

• 濡傛灉t1灏忎簬t2锛屽垯杩斿洖涓€涓皬浜庨浂鐨勬暣鏁般€?/li>
• 濡傛灉t1绛変簬t2锛屽垯杩斿洖闆躲€?/li>
• 濡傛灉t1澶т簬t2锛屽垯杩斿洖涓€涓ぇ浜庨浂鐨勬暣鏁般€?/li>

涓嬮潰鏄竴涓ず渚嬩唬鐮侊紝婕旂ず浜嗗浣曚娇鐢―ateTime.Compare()鏂规硶锛?/p>

DateTime date1 = new DateTime(2021, 1, 1);
DateTime date2 = new DateTime(2021, 1, 15);

int result = DateTime.Compare(date1, date2);

if (result < 0)
{
    Console.WriteLine("鏃ユ湡1鍦ㄦ棩鏈?涔嬪墠");
}
else if (result == 0)
{
    Console.WriteLine("鏃ユ湡1绛変簬鏃ユ湡2");
}
else
{
    Console.WriteLine("鏃ユ湡1鍦ㄦ棩鏈?涔嬪悗");
}

浠ヤ笂绀轰緥姣旇緝浜哾ate1鍜宒ate2涓や釜DateTime瀵硅薄鐨勫€硷紝骞舵牴鎹瘮杈冪粨鏋滆緭鍑虹浉搴旂殑淇℃伅銆?/p>