Java避免UTF-8的csv文件打开中文出现乱码的方法

import java.io.*;/** * Created by zhaozhi on 15-5-29. */public class TestCSV {  public static String join(String[] strArr, String delim) {    StringBuilder sb = new StringBuilder();    for(String s : strArr) {      sb.append(s);      sb.append(delim);    }    String ret;    if (strArr.length > 1) {      ret = sb.substring(0, sb.length()-1);    }    else {      ret = sb.toString();    }    return ret;  }  public static void main (String[] args) throws Exception {    String[] heads = {"日期", "产品", "订单数"};    String[][] rows = {        {"20150228", "安卓", "23"},        {"20150301", "web", "34"}    };    byte[] bom = {(byte)0xFF, (byte)0xFE};    String fname = "d://utf-16le.csv";    BufferedOutputStream bo = new BufferedOutputStream(new FileOutputStream(fname));    bo.write(bom);    bo.write(join(heads, "/t").getBytes("utf-16le"));    bo.write("/n".getBytes("utf-16le"));    for (String[] row : rows) {      bo.write(join(row, "/t").getBytes("utf-16le"));      bo.write("/n".getBytes("utf-16le"));    }    bo.close();    UTF8();  }  public static void UTF8() throws IOException {    String line = "中文,标题,23";    OutputStream os = new FileOutputStream("d:/utf-8.csv");    os.write(239);  // 0xEF    os.write(187);  // 0xBB    os.write(191);  // 0xBF    PrintWriter w = new PrintWriter(new OutputStreamWriter(os, "UTF-8"));    w.print(line);    w.flush();    w.close();  }}