例如我們在設置審批流程時，往往需要設置限制時限，例如2天內審核好等等，這時候會遇到休息日，需要把休息日去掉，當然有各種各樣復雜的情況，我們先把問題想得簡單一些，就按普通的休息一整天，全公司都統一休息的方式。
下面是程序的運行效果，主要是把12個月展示在上面，有時候費力一些，黑色部分是表示休息，本想用紅色顯示，但是微軟默認是黑色的，沒能搞定
實現代碼可以參考
//-------------------------------------------------------------------- // 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() { // 綁定最近幾年就可以了 for (int i = DateTime.Now.Year - 3; i < DateTime.Now.Year + 2; i++) { this.cmbYear.Items.Add(i.ToString()); } // 今年為默認選中 this.cmbYear.SelectedIndex = this.cmbYear.Items.Count - 2; } private void FrmHolidays_Load(object sender, EventArgs e) { this.GetYearList(); } /// <summary> /// 獲取節假日 /// </summary> /// <param name="holiday">當前點中了某個日期了</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; // 把這一年的變粗的都加上來，這個是后台處理程序，所以沒考慮數據庫性能的問題，每次都讀取了一下，有需要時可以改進一下 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) { // 從數據庫里讀取出來節假日的設置 GetYearDas(); } private void btnInitializeYear_Click(object sender, EventArgs e) { BaseHolidaysManager manager = new BaseHolidaysManager(this.UserInfo); // 這里把周日，知道的5.1. 10.1 等節日進行休息日設置 int year = int.Parse(this.cmbYear.SelectedItem.ToString()); DateTime startDate = new DateTime(year, 1, 1); while (startDate.Year == year) { // 周六周日是默認休息日 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); } // 從數據庫里讀取出來節假日的設置 GetYearDas(); } private void mc_DateSelected(object sender, DateRangeEventArgs e) { GetYearDas(this.mc.SelectionStart.ToString(BaseSystemInfo.DateFormat)); } } }
還有幾個函數相關函數，可以參考一下
//----------------------------------------------------------------- // 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 /// 節假日表 /// /// 修改記錄 /// /// 2012.12.24 版本：1.0 JiRiGaLa 創建主鍵。 /// /// /// 版本：1.0 /// </summary> /// <author> /// <name>JiRiGaLa</name> /// <date>2012.12.24</date> /// </author> /// </summary> public partial class BaseHolidaysManager : BaseManager //, IBaseRoleManager { /// <summary> /// 計算截至日期為幾號 /// </summary> /// <param name="currentDay">當前日期</param> /// <param name="days">幾個工作日</param> /// <returns>應該在幾號完成 yyyy-MM-dd</returns> public static string CalculateDays(DateTime currentDate, int days) { // 計算有幾個節假日 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; // 若這個日期是節假日，需要繼續加一天 find = listEntity.Count(entity => !string.IsNullOrEmpty(entity.Holiday) && entity.Holiday.Equals(endDay.ToString(BaseSystemInfo.DateFormat), StringComparison.OrdinalIgnoreCase)) > 0; while (find) { // 若這個日期是節假日，需要繼續加一天 endDay = endDay.AddDays(1); find = listEntity.Count(entity => !string.IsNullOrEmpty(entity.Holiday) && entity.Holiday.Equals(endDay.ToString(BaseSystemInfo.DateFormat), StringComparison.OrdinalIgnoreCase)) > 0; } } // 計算 return endDay.ToString(BaseSystemInfo.DateFormat); } /// <summary> /// 計算截至日期為幾號 /// </summary> /// <param name="currentDay">當前日期 yyyy-MM-dd</param> /// <param name="days">幾個工作日</param> /// <returns>應該在幾號完成</returns> public static string CalculateDays(string currentDate, int days) { DateTime dateTime = DateTime.Parse(currentDate); return CalculateDays(dateTime, days); } /// <summary> /// 前日期與指定一個日期之間的， 工作日天數對吧？ /// </summary> /// <param name="currentDate">開始日期 yyyy-MM-dd</param> /// <param name="endDate">結束日期 yyyy-MM-dd</param> /// <returns>工作日天數</returns> public static int CalculateWorkDays(string currentDate, string endDate) { int returnValue = 0; // 計算這2個日期相差幾天 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; // 計算有幾個節假日 string where = BaseHolidaysEntity.FieldHoliday + " >= '" + currentDate + "'" + " AND " + BaseHolidaysEntity.FieldHoliday + " <= '" + endDate + "'"; BaseHolidaysManager manager = new DotNet.Business.BaseHolidaysManager(); List<BaseHolidaysEntity> listEntity = manager.GetList<BaseHolidaysEntity>(where); // 在數據庫里找還有幾個工作日 returnValue = returnValue - listEntity.Count; return returnValue; } } }