TXT创建写入，每个文件允许1W条数据。超过1W条数据分割成多个文件

 1 if ((icount % 10000 == 0) && (icount / 10000 > 0))
 2                 {
 3                     sw.Close();
 4                     flag = flag + icount / 10000;
 5                     path = outpath + + flag + ".txt";
 6                     try
 7                     {
 8                         FileStream fs = new FileStream(path, FileMode.CreateNew);
 9                         fs.Close();
10                         
11 
12                     }
13                     catch (Exception e)
14                     {
15                         //System.Windows.Forms.MessageBox.Show(e.Message.ToString());
16 
17                     }
18                     //System.Windows.Forms.MessageBox.Show("111");
19                     sw = new StreamWriter(path, true);
20                     flag = 1;
21                 }