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using System;
using System.Text;
namespace EC.Utils
{
/// <summary>
/// Ext
/// 版 本:V3.0.0
/// 版 权:EasyCode
/// 作 者:LXC
/// </summary>
public static partial class Ext
{
/// <summary>
/// 获取格式化字符串,带时分秒,格式:"yyyy-MM-dd HH:mm:ss"
/// </summary>
/// <param name="dateTime">日期</param>
/// <param name="isRemoveSecond">是否移除秒</param>
public static string ToDateTimeString(this DateTime dateTime, bool isRemoveSecond = false)
{
if (isRemoveSecond)
return dateTime.ToString("yyyy-MM-dd HH:mm");
return dateTime.ToString("yyyy-MM-dd HH:mm:ss");
}
/// <summary>
/// 获取格式化字符串,带时分秒,格式:"yyyy-MM-dd HH:mm:ss"
/// </summary>
/// <param name="dateTime">日期</param>
/// <param name="isRemoveSecond">是否移除秒</param>
public static string ToDateTimeString(this DateTime? dateTime, bool isRemoveSecond = false)
{
if (dateTime == null)
return string.Empty;
return ToDateTimeString(dateTime.Value, isRemoveSecond);
}
/// <summary>
/// 获取格式化字符串,不带时分秒,格式:"yyyy-MM-dd"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToDateString(this DateTime dateTime)
{
return dateTime.ToString("yyyy-MM-dd");
}
/// <summary>
/// 获取格式化字符串,不带时分秒,格式:"yyyy-MM-dd"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToDateString()
{
return DateTime.Now.ToString("yyyy-MM-dd");
}
/// <summary>
/// 获取格式化字符串,不带时分秒,格式:"yyyy-MM-dd"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToDateString(this DateTime? dateTime)
{
if (dateTime == null)
return string.Empty;
return ToDateString(dateTime.Value);
}
/// <summary>
/// 获取格式化字符串,不带年月日,格式:"HH:mm:ss"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToTimeString(this DateTime dateTime)
{
return dateTime.ToString("HH:mm:ss");
}
/// <summary>
/// 获取格式化字符串,不带年月日,格式:"HH:mm:ss"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToTimeString(this DateTime? dateTime)
{
if (dateTime == null)
return string.Empty;
return ToTimeString(dateTime.Value);
}
/// <summary>
/// 获取格式化字符串,带毫秒,格式:"yyyy-MM-dd HH:mm:ss.fff"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToMillisecondString(this DateTime dateTime)
{
return dateTime.ToString("yyyy-MM-dd HH:mm:ss.fff");
}
/// <summary>
/// 获取格式化字符串,带毫秒,格式:"yyyy-MM-dd HH:mm:ss.fff"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToMillisecondString(this DateTime? dateTime)
{
if (dateTime == null)
return string.Empty;
return ToMillisecondString(dateTime.Value);
}
/// <summary>
/// 获取格式化字符串,不带时分秒,格式:"yyyy年MM月dd日"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToChineseDateString(this DateTime dateTime)
{
return string.Format("{0}年{1}月{2}日", dateTime.Year, dateTime.Month, dateTime.Day);
}
/// <summary>
/// 获取格式化字符串,不带时分秒,格式:"yyyy年MM月dd日"
/// </summary>
/// <param name="dateTime">日期</param>
public static string ToChineseDateString(this DateTime? dateTime)
{
if (dateTime == null)
return string.Empty;
return ToChineseDateString(dateTime.SafeValue());
}
/// <summary>
/// 获取格式化字符串,带时分秒,格式:"yyyy年MM月dd日 HH时mm分"
/// </summary>
/// <param name="dateTime">日期</param>
/// <param name="isRemoveSecond">是否移除秒</param>
public static string ToChineseDateTimeString(this DateTime dateTime, bool isRemoveSecond = false)
{
StringBuilder result = new StringBuilder();
result.AppendFormat("{0}年{1}月{2}日", dateTime.Year, dateTime.Month, dateTime.Day);
result.AppendFormat(" {0}时{1}分", dateTime.Hour, dateTime.Minute);
if (isRemoveSecond == false)
result.AppendFormat("{0}秒", dateTime.Second);
return result.ToString();
}
/// <summary>
/// 获取格式化字符串,带时分秒,格式:"yyyy年MM月dd日 HH时mm分"
/// </summary>
/// <param name="dateTime">日期</param>
/// <param name="isRemoveSecond">是否移除秒</param>
public static string ToChineseDateTimeString(this DateTime? dateTime, bool isRemoveSecond = false)
{
if (dateTime == null)
return string.Empty;
return ToChineseDateTimeString(dateTime.Value);
}
/// <summary>
/// 日期转换为时间戳(时间戳单位秒)
/// </summary>
/// <param name="TimeStamp"></param>
/// <returns></returns>
public static long ConvertToTimeStamp(this DateTime time)
{
DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
return (long)(time.AddHours(-8) - Jan1st1970).TotalMilliseconds;
}
/// <summary>
/// 时间戳转换为日期(时间戳单位秒)
/// </summary>
/// <param name="TimeStamp"></param>
/// <returns></returns>
public static DateTime? ConvertToDateTime(this long timeStamp)
{
if (timeStamp == 0)
return null;
var start = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
return start.AddMilliseconds(timeStamp).AddHours(8);
}
}
}