1 package com.msk.ds.logic; 2  3 import java.io.*; 4 import java.util.List; 5  6 /** 7  * Created by Administrator on 2016/5/4. 8  */ 9 public class CSVUtils {10 11     public static File createCSVFile(List<Object> head, List<List<Object>> dataList, String outPutPath, String filename) {12         File csvFile = null;13         BufferedWriter csvWtriter = null;14         try {15             csvFile = new File(outPutPath + File.separator + filename + ".csv");16             File parent = csvFile.getParentFile();17             if (parent != null && !parent.exists()) {18                 parent.mkdirs();19             }20             csvFile.createNewFile();21 22             // GB2312使正确读取分隔符","23             csvWtriter = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(24                     csvFile), "UTF-8"), 1024);25             // 写入文件头部26             writeRow(head, csvWtriter);27 28             // 写入文件内容29             for (List<Object> row : dataList) {30                 writeRow(row, csvWtriter);31             }32             csvWtriter.flush();33         } catch (Exception e) {34             e.printStackTrace();35         } finally {36             try {37                 csvWtriter.close();38             } catch (IOException e) {39                 e.printStackTrace();40             }41         }42         return csvFile;43     }44 45 46     /**47      * 写一行数据方法48      *49      * @param row50      * @param csvWriter51      * @throws IOException52      */53     private static void writeRow(List<Object> row, BufferedWriter csvWriter) throws IOException {54         // 写入文件头部55         for (Object data : row) {56             StringBuffer sb = new StringBuffer();57             String rowStr = sb.append("\"").append(data).append("\",").toString();58             csvWriter.write(rowStr);59         }60         csvWriter.newLine();61     }62 }