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string str ="D:\\测试";
DirectoryInfo filedir = new DirectoryInfo(str);
filedir.Create(); //建立目录
FileInfo file = new FileInfo(str + "\\test.txt");
file.Create(); //新建文件
StreamWriter sw = new StreamWriter(str + "\\test.txt");
sw.Write("测试看看"); //写入文件
sw.Close();
string str ="D:\\测试";
DirectoryInfo filedir = new DirectoryInfo(str);
filedir.Create(); //建立目录
FileInfo file = new FileInfo(str + "\\test.txt");
FileStream f= file.Create(); //新建文件 注意:这里把file.Create()赋值给了FileSteam类的变量f
f.Close(); //释放内存
StreamWriter sw = new StreamWriter(str+"\\test.txt");
sw.Write("测试看看"); //写入文件
sw.Close();
System.IO.FileStream fl = file.Create(); //新建文件
fl.Close();
file.Create(); //新建文件
FileStream f= file.Create(); //新建文件 注意:这里把file.Create()赋值给了FileSteam类的变量f
f.Close();