IO流编码与解码

import java.io.FileInputStream;
import java.io.FileOutputStream;

import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class test2 {

	public static void main(String[] args) {
		try {
			// 接收一个为utf-8的字符流
			OutputStreamWriter ow = new OutputStreamWriter(new FileOutputStream("TXT.txt"), "utf-8");
			ow.write("你好utf-8");
			ow.close();

		} catch (Exception e) {
			e.printStackTrace();
		}

		try {

			@SuppressWarnings("resource")
			InputStreamReader ir = new InputStreamReader(new FileInputStream("TXT.txt"), "utf-8");
			char ty[] = new char[1024];
			@SuppressWarnings("unused")
			int len = ir.read(ty);// 吧数据存入数组中
			for (char c : ty) {
				System.out.print(c);
			}

		} catch (Exception e) {
			e.printStackTrace();
		}

	}

}