【Java】CSVUtils

 package com.msk.ds.logic;

 import java.io.*;
 import java.util.List;

 /**
  * Created by Administrator on 2016/5/4.
  */
 public class CSVUtils {

     public static File createCSVFile(List<Object> head, List<List<Object>> dataList, String outPutPath, String filename) {
         File csvFile = null;
         BufferedWriter csvWtriter = null;
         try {
             csvFile = new File(outPutPath + File.separator + filename + ".csv");
             File parent = csvFile.getParentFile();
             if (parent != null && !parent.exists()) {
                 parent.mkdirs();
             }
             csvFile.createNewFile();

             // GB2312使正确读取分隔符","
             csvWtriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(
                     csvFile), "UTF-8"), 1024);
             // 写入文件头部
             writeRow(head, csvWtriter);

             // 写入文件内容
             for (List<Object> row : dataList) {
                 writeRow(row, csvWtriter);
             }
             csvWtriter.flush();
         } catch (Exception e) {
             e.printStackTrace();
         } finally {
             try {
                 csvWtriter.close();
             } catch (IOException e) {
                 e.printStackTrace();
             }
         }
         return csvFile;
     }

     /**
      * 写一行数据方法
      *
      * @param row
      * @param csvWriter
      * @throws IOException
      */
     private static void writeRow(List<Object> row, BufferedWriter csvWriter) throws IOException {
         // 写入文件头部
         for (Object data : row) {
             StringBuffer sb = new StringBuffer();
             String rowStr = sb.append("\"").append(data).append("\",").toString();
             csvWriter.write(rowStr);
         }
         csvWriter.newLine();
     }
 }