c#鍥涜垗浜斿叆鎬庝箞瀹炵幇
鍦–#涓紝鍙互浣跨敤Math.Round()鏂规硶鏉ュ疄鐜板洓鑸嶄簲鍏ャ€傝鏂规硶鎺ュ彈涓€涓猟ouble绫诲瀷鐨勫弬鏁帮紝骞惰繑鍥炰竴涓渶鎺ヨ繎璇ュ弬鏁扮殑鏁存暟鍊笺€傚鏋滃弬鏁扮殑灏忔暟閮ㄥ垎澶т簬绛変簬0.5锛屽垯杩斿洖澶т簬鎴栫瓑浜庡弬鏁扮殑鏈€灏忔暣鏁板€硷紱濡傛灉鍙傛暟鐨勫皬鏁伴儴鍒嗗皬浜?.5锛屽垯杩斿洖灏忎簬鍙傛暟鐨勬渶澶ф暣鏁板€笺€?/p>
浠ヤ笅鏄竴涓ず渚嬩唬鐮侊細
double number = 3.7;
int roundedNumber = (int)Math.Round(number);
Console.WriteLine(roundedNumber); // 杈撳嚭4
number = 3.2;
roundedNumber = (int)Math.Round(number);
Console.WriteLine(roundedNumber); // 杈撳嚭3
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