关于随机数C#一例
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public class CommonClass
{
//生成随机数函数
public static string GetRandomInt_StrLen3()
{
//产生随机数3位
int sTmp = GetRandomInt(3);
string index = GetNormalStrLenN(sTmp, 3);
return index;
}
public static string GetRandomInt_StrLen5()
{
//产生随机数5位
int sTmp = GetRandomInt(5);
string index = GetNormalStrLenN(sTmp, 5);
return index;
}
public static string GetRandomInt_StrLenN(int N)
{
//产生随机数N位
int sTmp = GetRandomInt(N);
string index = GetNormalStrLenN(sTmp, N);
return index;
}
public static int GetRandomInt(int intLength)
{
//产生随机数N位
int MaxVal = 9;
if (intLength <= 0) intLength = 1;
string mv = "";
for (int i = 0; i < intLength; i++)
{
mv += "9";
}
MaxVal = TInt(mv);
int sTmp = GetRandomInt(0, MaxVal);
return sTmp;
}
public static int GetRandomInt(int MinValue,int MaxValue)
{
Random rdm1 = new Random(unchecked((int)DateTime.Now.Ticks));
int sTmp = rdm1.Next(MinValue, MaxValue);
return sTmp;
}
public static string GetNormalStrLenN(int RandomInt,int N)
{
string sTmp = RandomInt.ToString();
string temp = "";
if (sTmp.Length < N)
{
//小于N位时前面补0的个数 如12->00012
for (int i = 0; i < N - sTmp.Length; i++)
{
temp = temp + "0";
}
}
string index = temp + sTmp;
return index;
}
//
}
/// <summary>
/// 地块编号工厂
/// </summary>
public static class DkbhFactory
{
/// <summary>
/// 创建一个新的地块编号 规划调整地块
/// </summary>
public static string CreateNewDkbh_Ghjbtz(string xzqhdm)
{
string currentdatetime = System.DateTime.Now.ToString("yyyyMMddHHmmss");
//获取随机数index
string index = "0001";
//产生随机数5位
index = GetRandomInt_StrLen5();
string tmpdkbh = xzqhdm + currentdatetime + index;
return tmpdkbh;
}
/// <summary>
/// 创建一个新的地块编号 规划实施建设用地项目地块 如:51011220025103900001
/// </summary>
public static string CreateNewDkbh_Jsydxmdk(string xzqhdm)
{
string currentdatetime = System.DateTime.Now.ToString("yyyyMMddHHmmss");
//获取随机数index
string index = "0001";
//产生随机数5位
index = GetRandomInt_StrLen5();
string tmpdkbh = xzqhdm + currentdatetime + index;
return tmpdkbh;
}
/// <summary>
/// 创建一个新的办文编号 规划实施建设用地项目地块 如:T01-20025103800001
/// </summary>
/// <returns></returns>
public static string CreateNewProjectID_Jsydxmdk()
{
string currentdatetime = System.DateTime.Now.ToString("yyyyMMddHHmmss");
//获取随机数index
string index = "0001";
//产生随机数5位
index = GetRandomInt_StrLen5();
string tmpdkbh = "T01-" + currentdatetime + index;
return tmpdkbh;
}
public static string GetRandomInt_StrLen5()
{
//产生随机数5位
string index = CommonClass.GetRandomInt_StrLen5();
return index;
}
}
