package test; import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.OutputStreamWriter; public class FileHelper { public static void readFile(File file) throws IOException { BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(file), "UTF-8")); String line = null; while ((line = br.readLine()) != null) { System.out.println(line); } } public static void writeFile(File file, String content) throws IOException { FileOutputStream fos = new FileOutputStream(file); OutputStreamWriter osw = new OutputStreamWriter(fos, "UTF-8"); osw.write(content); osw.flush(); } public static void appendFile(File file, String content) throws IOException { OutputStreamWriter out = new OutputStreamWriter( new FileOutputStream(file, true), // true to append "UTF-8" ); out.write(content); out.close(); } // main for test public static void main(String[] args) throws IOException { File file = new File("D:\test.txt"); writeFile(file, ""); appendFile(file, "你好"); appendFile(file, "!!!"); readFile(file); } }package test; import java.io.BufferedReader; impo
阅读背景：
Java以UTF-8格式读写及追加写文件示例
来源：互联网
分享到：
