字符转换流

 1  public static void main(String[] args) throws Exception {
 2         //  字符转换编码
 3         //  定义一个输出流
 4         OutputStream os = new FileOutputStream("src//outInputStream.txt");
 5         //  将原始字节输出流转换成字符输出流
 6         Writer osw = new OutputStreamWriter(os,"GBK");// 指定字符编码
 7         //  将低级字符流转换成高级字符缓冲输出流
 8         BufferedWriter bw = new BufferedWriter(osw);
 9 
10         bw.write("abc哈喽");
11         bw.write("abc哈喽");
12         bw.write("abc哈喽");
13         bw.close();
14     }