字符流(读)案例

package com.hfxt;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;

//字符流 读取
public class InputStreamReaderDemo {

	public static void main(String[] args) {
		Reader rd = null;
		try {
			FileInputStream fis = new FileInputStream("F:/fangchen/test1.txt");
			rd = new InputStreamReader(fis,"GBK");
			StringBuffer s = new StringBuffer();
			char[] str = new char[1000];
			int len = -1;
			while ((len = rd.read(str))!= -1) {
				s.append(str);
			}
			System.out.println(s);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				rd.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}
}