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WPF 读写文件

1.读文件 1 StreamReader sr = new StreamReader(@"D:\JointIn.txt"); 2 string sLine = ""; 3 while(!sr.EndOfStream) 4 { 5 sLine += sr.ReadLine(); 6 } 7 Console.WriteLine(sLine); 8 sr.Close(); 2.写文件 1 StreamWriter sw = new StreamW