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 row
50 * @param csvWriter
51 * @throws IOException
52 */
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 }
