java中IO流字符流中的编码

java中IO流字符流中的编码

常见对象

InputStreamReader(InputStream in, CharsetDecoder dec) 创建使用给定字符集解码器的InputStreamReader

OutputStreamWriter(OutputStream out, CharsetEncoder enc) 创建使用给定字符集编码器的OutputStreamWriter

package com.itheima_09;

import java.io.FileOutputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;

/*
 * 字符流中的编码
 * 
 * 字符流 = 字节流 + 编码
 * 
 */
public class EncoderDemo2 {
	public static void main(String[] args) throws IOException {
		//method();
		OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream("b.txt"),"UTF-8");
		//OutputStreamWriter osw = new OutputStreamWriter(new FileOutputStream("b.txt"));
		String s = "迎娶白富美";
		osw.write(s);
		
		osw.close();
		
	}

	private static void method() throws IOException, UnsupportedEncodingException {
		FileWriter fw = new FileWriter("b.txt");
		
		String s = "月薪过万";
		byte[] bys = s.getBytes("UTF-8");
		
		//fw.write(s);
		fw.write(new String(bys));
		fw.close();
	}
 
}