private void SaveFileDialog()
string localFilePath, fileNameExt, newFileName, FilePath;
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
设置文件类型
saveFileDialog1.Filter = " txt files(*.txt)|*.txt|All files(*.*)|*.*";
设置默认文件类型显示顺序
saveFileDialog1.FilterIndex = 2;
保存对话框是否记忆上次打开的目录
saveFileDialog1.RestoreDirectory = true;
点了保存按钮进入
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
获得文件路径
localFilePath = saveFileDialog1.FileName.ToString();
获取文件名,不带路径
fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1);
获取文件路径,不带文件名
FilePath = localFilePath.Substring(0, localFilePath.LastIndexOf("\\"));
给文件名前加上时间
newFileName = DateTime.Now.ToString("yyyyMMdd") + fileNameExt;
在文件名里加字符
saveFileDialog1.FileName.Insert(1,"dameng");
System.IO.FileStream fs = (System.IO.FileStream)saveFileDialog1.OpenFile();//输出文件
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