bookorder.cs

本系统主要针对物流供应链中的库存管理环节

using System;
using System.Collections;
using System.Data;
namespace mmcBMS_online.ClassLib
{
	/// <summary>
	/// Order 的摘要说明。
	/// </summary>
	public class BookOrder
	{
		private long orderID=-1;
		private Book _book;
		private string orderName;
		private int stuNeed=0;
		private int teachNeed=0;
		private string srManager;
		private string acaManager;
		private string teach;
		private Hashtable useClass;
		private DataTable dt;
//		private int need;
		public BookOrder(Book book,string OrderName,string SrManager
			,string AcaManager,string Teach)
		{
			_book=book;
			orderName=OrderName;
			srManager=SrManager;
			acaManager=AcaManager;
			teach=Teach;
			useClass=new Hashtable();
			CreateTable();
		}
		public BookOrder()
		{
			useClass=new Hashtable();
			CreateTable();
		}
		private void CreateTable()
		{
			dt=new DataTable("UseClass");
			DataColumn col=new DataColumn("className");
			dt.Columns.Add(col);
			col=new DataColumn("number");
			dt.Columns.Add(col);
			col=new DataColumn("courseName");
			dt.Columns.Add(col);
			col=new DataColumn("useYear");
			dt.Columns.Add(col);
		}

		#region 属性
		public int Need
		{
			get
			{
				return stuNeed+teachNeed;
			}
		}
		public Book Book_
		{
			get
			{
//				if(_book==null)
//					throw new ApplicationException("Book is null.");
				return _book;
			}
			set
			{
				_book=value;
			}
		}
		public long OrderID
		{
			get
			{
				return orderID;
			}
			set
			{
				orderID=value;
			}
		}
		public string OrderName
		{
			get
			{
				return orderName;
			}
			set
			{
				orderName=value;
			}
		}
		public string SrManager
		{
			get
			{
				return srManager;
			}
			set
			{
				srManager=value;
			}
		}
		public string AcaManager
		{
			get
			{
				return acaManager;
			}
			set
			{
				acaManager=value;
			}
		}
		public string Teach
		{
			get
			{
				return teach;
			}
			set
			{
				teach=value;
			}
		}
		public int StudentNeed
		{
			get
			{
				return stuNeed;
			}
			set
			{
				stuNeed=value;
			}
		}
		public int TeacherNeed
		{
			get
			{
				return teachNeed;
			}
			set
			{
				teachNeed=value;
			}
		}
		#endregion
		private void AddStudentNeed(int number)
		{
			this.stuNeed+=number;
		}
		private void DescStudentNeed(int number)
		{
			if(this.stuNeed<number)
				this.stuNeed=0;
			else
				this.stuNeed-=number;
		}

		#region public 方法
		public bool AddUseClass(UseClass useClass)
		{
			if(!this.useClass.Contains(useClass.ClassName))
			{
				this.AddStudentNeed((int)useClass.Number);
				this.useClass.Add(useClass.ClassName,useClass);
				return true;
			}
			return false;
		}
		public UseClass GetUseClass(string className)
		{
			return (UseClass)useClass[className];
		}
		public Hashtable GetUseClasses()
		{
			return useClass;
		}
		public DataTable GetUseClass()
		{
			if(dt==null)
				this.CreateTable();
			dt.Rows.Clear();
			foreach(object obj in useClass.Values)
			{
				UseClass cls=(UseClass)obj;
				dt.Rows.Add(new object[]{
											cls.ClassName
											,cls.Number.ToString()
											,cls.CourseName
											,cls.UseYear
										});
			}
			return dt;	
		}
		public void RemoveUseClass(string className)
		{
			if(this.useClass.Contains(className))
			{
				UseClass cls=(UseClass)useClass[className];
				this.DescStudentNeed((int)cls.Number);
				cls=null;
				useClass.Remove(className);
			}
		}
		public void RemoveAllUseClass()
		{
			useClass.Clear();
			this.stuNeed=0;
		}

		#endregion
	}
}