/// <summary>
/// 生成下一个出货单号
/// </summary>
/// <returns></returns>
protected string nextShip_no()
{
ShipDC ship_dc = new ShipDC();
string lastship_no = "";
string head = "P";
string end = "0001";
DateTime date = DateTime.Now;
//获取当前的时间
string time = date.ToString("yyyyMMdd");
//获取最后一次的ship_no
ModelShip modelship = ship_dc.getLastShip_no();
int last_id = ship_dc.getLast_id();//数据库中最后一次存储的ID
int ship_key;
if (modelship == null)
{
return(null);
}
else
{
ship_key = modelship.Ship_key;
lastship_no = modelship.Ship_no;
}
if (lastship_no == null)
{
end = ((last_id + 1) % 10000).ToString("D4");// "0001";
}
else
{
int s = lastship_no.Length;
string last_date = lastship_no.Substring(1, 8);//上一条数据的日期
if (string.Compare(last_date, time, StringComparison.Ordinal) < 0)
{
end = "0001";
}
else
{
string last_no = lastship_no.Substring(s - 4, 4);
//获取后后四位，转换为数字
int last = int.Parse(last_no);
//格式化整型，D:十进制，4：字符串长度
end = (last_id - ship_key + last + 1).ToString("D4");
if (end.Equals("10000"))
{
end = "0001";
}
}
}
return(head + time + end);
}
public void ProcessRequest(HttpContext context)
{
ShipDC shipdc = new ShipDC();
List <string> list = new List <string>();
list = shipdc.getCustomerName();
string json = toJson(list);
context.Response.ContentType = "text/plain";
context.Response.Write(json);
}