1,张三,男
2,李四,男
3,小红,女

package com.parami.utils;import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.List;/**   * CSV操作(导出和导入)** @author 林计钦* @version 1.0 Jan 27, 2014 4:30:58 PM   */
public class CSVUtils {/*** 导出* * @param file csv文件(路径+文件名)，csv文件不存在会自动创建* @param dataList 数据* @return*/public static boolean exportCsv(File file, List<String> dataList){boolean isSucess=false;FileOutputStream out=null;OutputStreamWriter osw=null;BufferedWriter bw=null;try {out = new FileOutputStream(file);osw = new OutputStreamWriter(out);bw =new BufferedWriter(osw);if(dataList!=null && !dataList.isEmpty()){for(String data : dataList){bw.append(data).append("\r");}}isSucess=true;} catch (Exception e) {isSucess=false;}finally{if(bw!=null){try {bw.close();bw=null;} catch (IOException e) {e.printStackTrace();} }if(osw!=null){try {osw.close();osw=null;} catch (IOException e) {e.printStackTrace();} }if(out!=null){try {out.close();out=null;} catch (IOException e) {e.printStackTrace();} }}return isSucess;}/*** 导入* * @param file csv文件(路径+文件)* @return*/public static List<String> importCsv(File file){List<String> dataList=new ArrayList<String>();BufferedReader br=null;try { br = new BufferedReader(new FileReader(file));String line = ""; while ((line = br.readLine()) != null) { dataList.add(line);}}catch (Exception e) {}finally{if(br!=null){try {br.close();br=null;} catch (IOException e) {e.printStackTrace();}}}return dataList;}
}

package junit.test;import java.io.File;
import java.util.ArrayList;
import java.util.List;import org.junit.Test;import com.parami.utils.CSVUtils;/*** CSV操作(导出和导入)* * @author 林计钦* @version 1.0 Jan 27, 2014 4:17:02 PM*/
public class CsvTest {/*** CSV导出* * @throws Exception*/@Testpublic void exportCsv() {List<String> dataList=new ArrayList<String>();dataList.add("1,张三,男");dataList.add("2,李四,男");dataList.add("3,小红,女");boolean isSuccess=CSVUtils.exportCsv(new File("D:/test/ljq.csv"), dataList);System.out.println(isSuccess);}/*** CSV导出* * @throws Exception*/@Testpublic void importCsv()  {List<String> dataList=CSVUtils.importCsv(new File("D:/test/ljq.csv"));if(dataList!=null && !dataList.isEmpty()){for(String data : dataList){System.out.println(data);}}}}