创建文件自动重命名

 

 

  private bool SaveToFile(string sText,string sFileName)

        {

            try

            {

                System.IO.StreamWriter sw = System.IO.File.CreateText(sFileName);

                sw.WriteLine(sText);

                return true;

            }

            catch

            {

                return false;

            }

        }

  





        private void button2_Click(object sender, EventArgs e)

        {

            string Dir = @"D:\Administrator\Desktop\";

            string FileTitle = "新建 文本文档";

            string FileExt = ".txt";

            string s1 = Dir + FileTitle + FileExt;

            int j = 2;

            

            if (System.IO.File.Exists(s1))

            {

               string s = string.Format("{0}{1}({2}){3}", Dir, FileTitle, j, FileExt);

                while (System.IO.File.Exists(s))

                {

                    j++;

                    s = string.Format("{0}{1}({2}){3}", Dir, FileTitle, j, FileExt);

                }



                if (!System.IO.File.Exists(s))

                    SaveToFile(textBox1.Text, s);

            }

            else

                SaveToFile(textBox1.Text, s1);



        }

 

 

        private bool SaveToFile(string sText,string sFileName)

        {

            try

            {

                System.IO.StreamWriter sw = System.IO.File.CreateText(sFileName);

                sw.WriteLine(sText);

                return true;

            }

            catch

            {

                return false;

            }

        }



        private string CreateFile2(string sText, string sFileName)

        {

            string Dir = System.IO.Path.GetDirectoryName(sFileName)+"\\";

     

            string FileTitle = System.IO.Path.GetFileNameWithoutExtension(sFileName);

            string FileExt = System.IO.Path.GetExtension(sFileName);

            string s1 = Dir + FileTitle + FileExt;

            int j = 2;



            if (System.IO.File.Exists(s1))

            {

                string s = string.Format("{0}{1}({2}){3}", Dir, FileTitle, j, FileExt);

                while (System.IO.File.Exists(s))

                {

                    j++;

                    s = string.Format("{0}{1}({2}){3}", Dir, FileTitle, j, FileExt);

                }



                if (!System.IO.File.Exists(s))

                    SaveToFile(sText, s);



                return s;

            }

            else

            { 

                SaveToFile(sText, s1);

                return s1;

            }

        }

        private void button1_Click(object sender, EventArgs e)

        {

            string s= CreateFile2("123", @"D:\Administrator\Desktop\9sity\新建 文本文档.txt");

            MessageBox.Show("已保存为："  + System.IO.Path.GetFileName(s) + "\r\n文件路径：" + System.IO.Path.GetDirectoryName(s),

                "ROMAN提示",MessageBoxButtons.OK,MessageBoxIcon.Information);

        }