摘要： static void Main(string[] args) { string txt = ""; StreamReader sr = new StreamReader(@"E:\test.txt",Encoding.GetEncoding("gb2312"));//读文件流，后面的文件标码不可少，不然有汉字就是乱码。 StreamWriter sw = new StreamWriter(@"E:\123.txt", true, Encoding.GetEncoding("gb2312")); 阅读全文