java 字符串指定编码输出_字符串编码解析及字符编码输出

package字符编码输出;importjava.io.FileInputStream;importjava.io.FileNotFoundException;importjava.io.FileOutputStream;importjava.io.IOException;importjava.io.InputStreamReader;importjava.io.OutputStreamWriter;importjava.io.UnsupportedEncodingException;public classDemo1 {public static voidmain(String[] args) {/**PrintWriter pw = null;

try {

pw = new PrintWriter("1.txt");

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}finally {

if(pw != null) {

pw.close();

//这里不用try/catch因为在源代码中他自己捕获了自己的异常

}

}*/

/*** 写入的编码和读取的编码必须要一致，否则会乱码*/printCharset();

ReadCharset();

}public static voidprintCharset() {

OutputStreamWriter ow= null;try{

ow= new OutputStreamWriter(new FileOutputStream("2.txt"),"GBK");

ow.write("中国");

}catch(UnsupportedEncodingException e) {//TODO Auto-generated catch block

e.printStackTrace();

}catch(FileNotFoundException e) {//TODO Auto-generated catch block

e.printStackTrace();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}finally{if(ow != null) {try{

ow.close();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}public static voidReadCharset() {

InputStreamReader ow= null;try{

ow= new InputStreamReader(new FileInputStream("2.txt"),"GBK");char[] chs = new char[1024];int len =ow.read(chs);

System.out.println(new String(chs,0,len));

}catch(UnsupportedEncodingException e) {//TODO Auto-generated catch block

e.printStackTrace();

}catch(FileNotFoundException e) {//TODO Auto-generated catch block

e.printStackTrace();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}finally{if(ow != null) {try{

ow.close();

}catch(IOException e) {//TODO Auto-generated catch block

e.printStackTrace();

}

}

}

}

}