using System;
using System.Text;

namespace qminoa.Common
{
	/// <summary>
	/// 驗(yàn)證字符串是否合法
	/// </summary>
	public class ValidateUtil
	{
		/// <summary>構(gòu)造函數(shù)</summary>
		public ValidateUtil()
		{

		}

		/// <summary>是否空</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isBlank(string strInput)
		{
			if (strInput==null || strInput.Trim()=="") 
			{
			  return true;
			}
			else
			{
			  return false;
			}
			
		}

		/// <summary>是否數(shù)字</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isNumeric(string strInput)
		{  
			 
			char[] ca =strInput.ToCharArray();
			bool found=true;
			for (int i=0;i<ca.Length;i++)
			{
				if ((ca[i]<'0' || ca[i]>'9') && ca[i]!='.')
				{
					 
					found=false;
					break;
					
				};				

			};
			return found ;
			
		}

		/// <summary>是否日期</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isDate(string strInput)
		{
			string datestr=strInput;
			string year,month,day;
			string [] c={"/","-","."};
            string cs="";
			for (int i=0;i<c.Length;i++)
			{
				if(datestr.IndexOf(c[i])>0) 
				{
				  cs=c[i];
	              break;
				}	
				
			};

			if (cs!="" )
			{
				year=datestr.Substring(0,datestr.IndexOf(cs));
				if(year.Length!=4){return false;};
				datestr = datestr.Substring(datestr.IndexOf(cs) + 1);

				month=datestr.Substring(0,datestr.IndexOf(cs));
				if((month.Length!=2) || (Convert.ToInt16(month)>12))
				{return false;};
				datestr = datestr.Substring(datestr.IndexOf(cs) + 1);

				day=datestr;
				if((day.Length!=2) || (Convert.ToInt16(day)>31)){return false;};

				return checkDatePart(year,month,day); 
			}
			else
			{
			  return false;
			}
	
		}
		
		/// <summary>
		/// 檢查年月日是否合法
		/// </summary>
		/// <param name="dt"></param>
		/// <param name="part"></param>
		/// <returns></returns>
		private static bool checkDatePart(string year,string month,string day)
		{
             int iyear=Convert.ToInt16(year);
			 int imonth=Convert.ToInt16(month);
			 int iday= Convert.ToInt16(day);
			 if (iyear>2099 || iyear<1900) {return false;}	
			 if (imonth>12 || imonth<1) {return false;}	
		 	 if (iday>DateUtil.GetDaysOfMonth(iyear,imonth)|| iday<1) {return false;};
			 return true;
	
	
		}


		/// <summary>是否Null</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isNull(object strInput)
		{
			return true ;
		}

		/// <summary>是否為Double</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isDouble(string strInput)
		{
			return true ;
		}

		/// <summary>是否為Int</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isInt(string strInput)
		{
			return true ;
		}

		/// <summary>是否為合法的電話號(hào)碼</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isTel(string strInput)
		{
			//電話號(hào)碼規(guī)則在Concief中配置[CurrentPhoneRule]
			return true ; 
		}


		/// <summary>是否為合法的郵政編碼</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isZip(string strInput)
		{
			//郵政編碼規(guī)則在Concief中配置[CurrentZipRule]
			return true ; 
		}

		/// <summary>是否為合法的電子郵件</summary>
		/// <param name="strInput">輸入字符串</param>
		/// <returns>true/false</returns>
		public static bool isEmail(string strInput)
		{
			return true ; 
		}


	}

}