JAVA读写文件

package com.zving.demo;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class FilePrint {

    public static void main(String[] args) {
        outPutInfo();
        inPutInfo();
    }

    //文件写入
    public static void outPutInfo() {
        try {
            FileOutputStream fos = new FileOutputStream(new File("C:\\Users\\Clover\\Desktop\\abc.txt"));
            OutputStreamWriter osw = new OutputStreamWriter(fos, "utf-8");
            for (int i = 1; i < 10; i++) {
                osw.write("第 " + i + " 次写入数据" + "\r\n");
            }
            osw.flush();
            osw.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //文件读取
    public static void inPutInfo() {
        String fileText = "";
        try {
            FileInputStream fis = new FileInputStream("C:\\Users\\Clover\\Desktop\\abc.txt");
            InputStreamReader isr = new InputStreamReader(fis, "utf-8");
            @SuppressWarnings("resource")
            BufferedReader br = new BufferedReader(isr);
            String line = null;
            while ((line = br.readLine()) != null) {
                fileText += line;
                fileText += "\r\n";
            }
            System.out.println(fileText);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}