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using System ;
using System.Collections.Generic ;
using System.Globalization ;
using System.Linq ;
using System.Text ;
using System.Threading.Tasks ;
namespace ibk.KPI.Common
{
class DateUtils
{
// 获取当前时间字符串(格式自己传入,如:"yyyy-MM-dd HH:mm:ss")
public string CurrentTimeStr ( string format )
{
return DateTime . Now . ToString ( format , DateTimeFormatInfo . InvariantInfo ) ;
}
// DateTime 转成时间戳(默认是毫秒值)
public long GetTimeStamp ( DateTime dt , bool bflag )
{
System . DateTime startTime = TimeZone . CurrentTimeZone . ToLocalTime ( new System . DateTime ( 1970 , 1 , 1 ) ) ; // 当地时区
TimeSpan ts = dt - startTime ;
long ret = 0 ;
if ( bflag )
// 返回秒
ret = Convert . ToInt64 ( ts . TotalSeconds ) ;
else
// 返回毫秒
ret = Convert . ToInt64 ( ts . TotalMilliseconds ) ;
return ret ;
}
// 指定格式的字符串(如: yyyyMMddHHmmss)转成DateTime(格式是{2021/9/11 14:04:23})
public DateTime StrToDateTime ( string str , string format )
{
return DateTime . ParseExact ( str , format , System . Globalization . CultureInfo . CurrentCulture ) ;
}
public static void Main ( string [ ] args )
{
Console . WriteLine ( "输入正三角形的边长:" ) ;
}
}
}