public static string DateTimeFormatStrLine(string date)
{
DateTime dbNow = CommonUtil.GetDBDateTime();
string year = dbNow.Year.ToString();
string month = dbNow.Month.ToString();
string day = dbNow.Day.ToString();
if (date.Trim().Length == RegexConsts.DATE_FORMAT_DAY.Length && (date.IndexOf("-") < 0 && date.IndexOf("/") < 0))
{
year = TryConvertUtil.ToInt(date.Substring(0, 4), dbNow.Year).ToString();
month = TryConvertUtil.ToInt(date.Substring(4, 2), dbNow.Month).ToString().PadLeft(2, '0');
day = TryConvertUtil.ToInt(date.Substring(6, 2), dbNow.Day).ToString().PadLeft(2, '0');
return(string.Format("{0}-{1}-{2} 00:00:00", year, month, day));
}
else if (date.Trim().Length == RegexConsts.TIME_FORMAT_SECOND.Length && (date.IndexOf("-") < 0 && date.IndexOf("/") < 0 && date.IndexOf(":") < 0))
{
year = TryConvertUtil.ToInt(date.Substring(0, 4), dbNow.Year).ToString();
month = TryConvertUtil.ToInt(date.Substring(4, 2), dbNow.Month).ToString().PadLeft(2, '0');
day = TryConvertUtil.ToInt(date.Substring(6, 2), dbNow.Day).ToString().PadLeft(2, '0');
string hour = TryConvertUtil.ToInt(date.Substring(8, 2), dbNow.Hour).ToString().PadLeft(2, '0');
string minute = TryConvertUtil.ToInt(date.Substring(10, 2), dbNow.Minute).ToString().PadLeft(2, '0');
string second = TryConvertUtil.ToInt(date.Substring(12, 2), dbNow.Second).ToString().PadLeft(2, '0');
return(string.Format("{0}-{1}-{2} {3}:{4}:{5}", year, month, day, hour, minute, second));
}
else
{
return(TryConvertUtil.ToDateTime(date, dbNow).ToString("yyyy-MM-dd HH:mm:ss"));
}
}
/// <summary>
/// 截断小数位数
/// </summary>
/// <param name="d">要截断的数字</param>
/// <param name="s">要保留的小数位数</param>
/// <returns>已经截断的数字</returns>
public static decimal ToFixed(this decimal d, int s = 2)
{
/*
* decimal sp = Convert.ToDecimal(Math.Pow(10, s));
*
* if (d < 0)
* return Math.Truncate(d) + Math.Ceiling((d - Math.Truncate(d)) * sp) / sp;
* else
* return Math.Truncate(d) + Math.Floor((d - Math.Truncate(d)) * sp) / sp;*/
//以下使用四啥五入
var str = d.ToString();
if (str.IndexOf('.') < 0)
{
return(TryConvertUtil.ToDecimal(string.Concat(str, ".").PadRight(s + 1 + str.Length, '0')));
}
else
{
var strList = str.Split('.');
if (strList.Length > 1)
{
string lastStr = strList[1];
if (lastStr.Length == 1)
{
return(TryConvertUtil.ToDecimal(str.PadRight(1 + str.Length, '0')));
}
}
return(Math.Round(d, s, MidpointRounding.AwayFromZero));
}
}
/// <summary>
/// 获取上周一、周日日期
/// </summary>
/// <returns></returns>
public static Tuple <DateTime, DateTime> GetPreWeekZone()
{
//当前数据库时间
DateTime dbNow = CommonUtil.GetDBDateTime();
//上周一
DateTime preMonday = dbNow.AddDays(1 - TryConvertUtil.ToInt(dbNow.DayOfWeek.ToString("d"))).AddDays(-7).Date;
//上周日
DateTime preSunday = preMonday.AddDays(7).Date.AddSeconds(-1);
return(Tuple.Create(preMonday, preSunday));
}
/// <summary>
/// 获取本周几
/// </summary>
/// <param name="day">周几</param>
/// <returns>日期</returns>
public static DateTime GetCurDayOfWeek(int day)
{
//当前数据库时间
DateTime dbNow = CommonUtil.GetDBDateTime();
if (day <= 0)
{
day = 1;
}
else if (day >= 8)
{
day = 7;
}
return(dbNow.AddDays(day - TryConvertUtil.ToInt(dbNow.DayOfWeek.ToString("d"))).Date);
}
public static TResult ToModel <TResult>(this DataRow row) where TResult : class, new()
{
if (row == null)
{
return(null);
}
DataTable dt = row.Table;
//创建一个属性的列表
List <PropertyInfo> prlist = new List <PropertyInfo>();
//获取TResult的类型实例 反射的入口
Type t = typeof(TResult);
//获得TResult 的所有的Public 属性 并找出TResult属性和DataTable的列名称相同的属性(PropertyInfo) 并加入到属性列表
Array.ForEach <PropertyInfo>(t.GetProperties(), p => { if (dt.Columns.IndexOf(p.Name) != -1)
{
prlist.Add(p);
}
});
//创建返回的集合
List <TResult> oblist = new List <TResult>();
//创建TResult的实例
TResult ob = new TResult();
//找到对应的数据 并赋值
prlist.ForEach(p =>
{
if (row[p.Name] != DBNull.Value)
{
Type dataType = row[p.Name].GetType();
switch (dataType.Name)
{
case "MySqlDateTime":
p.SetValue(ob, TryConvertUtil.ToDateTime(row[p.Name]), null);
break;
default:
p.SetValue(ob, row[p.Name], null);
break;
}
}
});
//放入到返回的集合中.
return(ob);
}
public static string DateTimeFormatLine(string date)
{
return(TryConvertUtil.ToDateTime(date, CommonUtil.GetDBDateTime()).ToString("yyyy-MM-dd"));
}
/// <summary>
/// 日期格式化，转换失败则返回当前日期
/// </summary>
/// <param name="date"></param>
/// <returns></returns>
public static string DateTimeFormat(string date)
{
return(TryConvertUtil.ToDateTime(date, CommonUtil.GetDBDateTime()).ToString("yyyy年MM月dd日"));
}
/// <summary>
/// 获得数据库服务器当前的日期和时间
/// </summary>
/// <returns>数据库服务器当前的日期和时间</returns>
public static DateTime GetDBDateTime()
{
return(TryConvertUtil.ToDateTime(DbUtil.DataManager.Current.IData.ExecuteScalar("SELECT NOW()")));
}
public static List <TResult> ToList <TResult>(this DataTable dt) where TResult : class, new()
{
if (dt == null)
{
return(null);
}
//创建一个属性的列表
List <PropertyInfo> prlist = new List <PropertyInfo>();
//获取TResult的类型实例 反射的入口
Type t = typeof(TResult);
//获得TResult 的所有的Public 属性 并找出TResult属性和DataTable的列名称相同的属性(PropertyInfo) 并加入到属性列表
Array.ForEach <PropertyInfo>(t.GetProperties(), p => { if (dt.Columns.IndexOf(p.Name) != -1)
{
prlist.Add(p);
}
});
//创建返回的集合
List <TResult> oblist = new List <TResult>();
foreach (DataRow row in dt.Rows)
{
//创建TResult的实例
TResult ob = new TResult();
//找到对应的数据 并赋值
prlist.ForEach(p =>
{
if (row[p.Name] != DBNull.Value)
{
Type dataType = row[p.Name].GetType();
switch (dataType.Name)
{
case "MySqlDateTime":
p.SetValue(ob, TryConvertUtil.ToDateTime(row[p.Name]), null);
break;
case "Int64":
case "Int32":
{
if (p.PropertyType == typeof(bool))
{
p.SetValue(ob, TryConvertUtil.ToInt(row[p.Name]) == 1, null);
}
else
{
p.SetValue(ob, TryConvertUtil.ToInt(row[p.Name]), null);
}
break;
}
default:
p.SetValue(ob, row[p.Name], null);
break;
}
}
});
//放入到返回的集合中.
oblist.Add(ob);
}
return(oblist);
}
