将秒数转为“00:00:00”,将“00:00:00”转为秒数

将秒数转为00:00:00

 1 /// <summary>
 2         /// 将秒数转为00:00:00
 3         /// </summary>
 4         /// <param name="l">传过来的秒数</param>
 5         /// <returns>返回00:00:00格式的字符串</returns>
 6         public static String GetTime(int l)
 7         {
 8             int hour = 0;
 9             int minute = 0;
10             int second = 0;
11             second = l / 1000;
12 
13             if (second > 60)
14             {
15                 minute = second / 60;
16                 second = second % 60;
17             }
18             if (minute > 60)
19             {
20                 hour = minute / 60;
21                 minute = minute % 60;
22             }
23             return (hour.ToString() + ":" + minute.ToString() + ":"
24                 + second.ToString());
25         }
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将00:00:00转为秒数

 1 // <summary>
 2         /// 将00:00:00转为秒数
 3         /// </summary>
 4         /// <param name="s">00:00:00格式的字符串</param>
 5         /// <returns>返回int 类型的秒数</returns>
 6         public static int cdate(string s)
 7         {
 8             DateTime dt = Convert.ToDateTime(s);
 9             int time = (Convert.ToInt32(dt.Hour) * 3600) + (Convert.ToInt32(dt.Minute) * 60) + Convert.ToInt32(dt.Second);
10             return time;
11         }
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原文地址:https://www.cnblogs.com/haibing0107/p/5718186.html