例如我们在设置审批流程时，往往需要设置限制时限，例如2天内审核好等等，这时候会遇到休息日，需要把休息日去掉，当然有各种各样复杂的情况，我们先把问题想得简单一些，就按普通的休息一整天，全公司都统一休息的方式。
下面是程序的运行效果，主要是把12个月展示在上面，有时候费力一些，黑色部分是表示休息，本想用红色显示，但是微软默认是黑色的，没能搞定
实现代码可以参考
//--------------------------------------------------------------------
// All Rights Reserved ,Copyright (C) 2012 , Hairihan TECH, Ltd. .
//--------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Windows.Forms;
using DotNet.Business;
using DotNet.Utilities;
namespace DotNet.WinForm
{
public partial class FrmHolidays : BaseForm
{
public FrmHolidays()
{
InitializeComponent();
}
private void GetYearList()
{
// 绑定最近几年就可以了
for (int i = DateTime.Now.Year - 3; i < DateTime.Now.Year + 2; i++)
{
this.cmbYear.Items.Add(i.ToString());
}
// 今年为默认选中
this.cmbYear.SelectedIndex = this.cmbYear.Items.Count - 2;
}
private void FrmHolidays_Load(object sender, EventArgs e)
{
this.GetYearList();
}
/// <summary>
/// 获取节假日
/// </summary>
/// <param name="holiday">当前点中了某个日期了</param>
private void GetYearDas(string holiday = null)
{
BaseHolidaysManager manager = new BaseHolidaysManager(this.UserInfo);
if (!string.IsNullOrEmpty(holiday))
{
int returnValue = manager.Delete(new KeyValuePair<string, object>(BaseHolidaysEntity.FieldHoliday, holiday));
if (returnValue == 0)
{
manager.AddHoliday(holiday, false);
}
}
int year = int.Parse(this.cmbYear.SelectedItem.ToString());
this.mc.Enabled = false;
if (this.mc.MinDate.Year <= year)
{
this.mc.MaxDate = new DateTime(year, 12, 31);
this.mc.MinDate = new DateTime(year, 1, 1);
}
else
{
this.mc.MinDate = new DateTime(year, 1, 1);
this.mc.MaxDate = new DateTime(year, 12, 31);
}
this.mc.Enabled = true;
// 把这一年的变粗的都加上来，这个是后台处理程序，所以没考虑数据库性能的问题，每次都读取了一下，有需要时可以改进一下
string where = BaseHolidaysEntity.FieldHoliday + " >= '" + this.mc.MinDate.ToString(BaseSystemInfo.DateFormat) + "'" +
" AND " + BaseHolidaysEntity.FieldHoliday + " <= '" + this.mc.MaxDate.ToString(BaseSystemInfo.DateFormat) + "'";
List<BaseHolidaysEntity> listEntity = manager.GetList<BaseHolidaysEntity>(where);
List<DateTime> boldedDates = new List<DateTime>();
foreach (BaseHolidaysEntity entity in listEntity)
{
boldedDates.Add(DateTime.Parse(entity.Holiday));
}
this.mc.BoldedDates = boldedDates.ToArray();
}
private void cmbYear_SelectedIndexChanged(object sender, EventArgs e)
{
// 从数据库里读取出来节假日的设置
GetYearDas();
}
private void btnInitializeYear_Click(object sender, EventArgs e)
{
BaseHolidaysManager manager = new BaseHolidaysManager(this.UserInfo);
// 这里把周日，知道的5.1. 10.1 等节日进行休息日设置
int year = int.Parse(this.cmbYear.SelectedItem.ToString());
DateTime startDate = new DateTime(year, 1, 1);
while (startDate.Year == year)
{
// 周六周日是默认休息日
if (startDate.DayOfWeek == DayOfWeek.Saturday || startDate.DayOfWeek == DayOfWeek.Sunday)
{
manager.AddHoliday(startDate.ToString(BaseSystemInfo.DateFormat));
}
// 5.1 是休息日
// 10.1 是休息日
startDate = startDate.AddDays(1);
}
// 从数据库里读取出来节假日的设置
GetYearDas();
}
private void mc_DateSelected(object sender, DateRangeEventArgs e)
{
GetYearDas(this.mc.SelectionStart.ToString(BaseSystemInfo.DateFormat));
}
}
}还有几个函数相关函数，可以参考一下
//-----------------------------------------------------------------
// All Rights Reserved , Copyright (C) 2012 , Hairihan TECH, Ltd.
//-----------------------------------------------------------------
using System;
using System.Data;
using System.Collections.Generic;
using System.Linq;
namespace DotNet.Business
{
using DotNet.Utilities;
/// <summary>
/// BaseHolidaysManager
/// 节假日表
///
/// 修改记录
///
/// 2012.12.24 版本：1.0 JiRiGaLa 创建主键。
///
///
/// 版本：1.0
/// </summary>
/// <author>
/// <name>JiRiGaLa</name>
/// <date>2012.12.24</date>
/// </author>
/// </summary>
public partial class BaseHolidaysManager : BaseManager //, IBaseRoleManager
{
/// <summary>
/// 计算截至日期为几号
/// </summary>
/// <param name="currentDay">当前日期</param>
/// <param name="days">几个工作日</param>
/// <returns>应该在几号完成 yyyy-MM-dd</returns>
public static string CalculateDays(DateTime currentDate, int days)
{
// 计算有几个节假日
string where = BaseHolidaysEntity.FieldHoliday + " >= '" + currentDate.ToString(BaseSystemInfo.DateFormat) + "'";
BaseHolidaysManager manager = new DotNet.Business.BaseHolidaysManager();
List<BaseHolidaysEntity> listEntity = manager.GetList<BaseHolidaysEntity>(where);
DateTime endDay = currentDate;
bool find = false;
for (int i = 0; i < days; i++)
{
find = false;
// 若这个日期是节假日，需要继续加一天
find = listEntity.Count(entity => !string.IsNullOrEmpty(entity.Holiday) && entity.Holiday.Equals(endDay.ToString(BaseSystemInfo.DateFormat), StringComparison.OrdinalIgnoreCase)) > 0;
while (find)
{
// 若这个日期是节假日，需要继续加一天
endDay = endDay.AddDays(1);
find = listEntity.Count(entity => !string.IsNullOrEmpty(entity.Holiday) && entity.Holiday.Equals(endDay.ToString(BaseSystemInfo.DateFormat), StringComparison.OrdinalIgnoreCase)) > 0;
}
}
// 计算
return endDay.ToString(BaseSystemInfo.DateFormat);
}
/// <summary>
/// 计算截至日期为几号
/// </summary>
/// <param name="currentDay">当前日期 yyyy-MM-dd</param>
/// <param name="days">几个工作日</param>
/// <returns>应该在几号完成</returns>
public static string CalculateDays(string currentDate, int days)
{
DateTime dateTime = DateTime.Parse(currentDate);
return CalculateDays(dateTime, days);
}
/// <summary>
/// 前日期与指定一个日期之间的， 工作日天数对吧？
/// </summary>
/// <param name="currentDate">开始日期 yyyy-MM-dd</param>
/// <param name="endDate">结束日期 yyyy-MM-dd</param>
/// <returns>工作日天数</returns>
public static int CalculateWorkDays(string currentDate, string endDate)
{
int returnValue = 0;
// 计算这2个日期相差几天
DateTime dateTime1 = DateTime.Parse(currentDate);
DateTime dateTime2 = DateTime.Parse(endDate);
TimeSpan timeSpan = new TimeSpan(dateTime2.Ticks).Subtract(new TimeSpan(dateTime1.Ticks)).Duration();
returnValue = timeSpan.Days;
// 计算有几个节假日
string where = BaseHolidaysEntity.FieldHoliday + " >= '" + currentDate + "'" +
" AND " + BaseHolidaysEntity.FieldHoliday + " <= '" + endDate + "'";
BaseHolidaysManager manager = new DotNet.Business.BaseHolidaysManager();
List<BaseHolidaysEntity> listEntity = manager.GetList<BaseHolidaysEntity>(where);
// 在数据库里找还有几个工作日
returnValue = returnValue - listEntity.Count;
return returnValue;
}
}
}转载于:https://my.oschina.net/iwenr/blog/227826