javascv 和 opencsv
opencsv
http://opencsv.sourceforge.net/
示例代码:
import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.util.ArrayList; import java.util.List; import au.com.bytecode.opencsv.CSVReader; import au.com.bytecode.opencsv.CSVWriter; public class ProcessCSV { private static final String ADDRESS_FILE="D://examples/addresses.csv"; public static void main(String[] args) throws IOException { CSVWriter writer = new CSVWriter(new FileWriter(ADDRESS_FILE)); List<String[]> allElements = new ArrayList<String[]>(); allElements.add(new String[]{"张三","地址1","邮箱1"}); allElements.add(new String[]{"李四","地址2","邮箱2"}); writer.writeAll(allElements); writer.close(); System.out.println("\nGenerated CSV File:" + ADDRESS_FILE); CSVReader reader = new CSVReader(new FileReader(ADDRESS_FILE)); String [] nextLine; while ((nextLine = reader.readNext()) != null) { System.out.println("Name: ["+nextLine[0]+"]\nAddress: ["+nextLine[1]+"]\nEmail: ["+nextLine[2]+"]"); } } }=======================================================javacsv.jar下载地址： http://sourceforge.net/project/showfiles.php?group_id=33066 public void readeCsv(){ try { ArrayList<String[]> csvList = new ArrayList<String[]>(); //用来保存数据 String csvFilePath = "c:/test.csv"; CsvReader reader = new CsvReader(csvFilePath,',',Charset.forName("SJIS")); //一般用这编码读就可以了 reader.readHeaders(); // 跳过表头 如果需要表头的话，不要写这句。 while(reader.readRecord()){ //逐行读入除表头的数据 csvList.add(reader.getValues()); } reader.close(); for(int row=0;row<csvList.size();row++){ String cell = csvList.get(row)[0]; //取得第row行第0列的数据 System.out.println(cell); } }catch(Exception ex){ System.out.println(ex); } } /** * 写入CSV文件 */ public void writeCsv(){ try { String csvFilePath = "c:/test.csv"; CsvWriter wr =new CsvWriter(csvFilePath,',',Charset.forName("SJIS")); String[] contents = {"aaaaa","bbbbb","cccccc","ddddddddd"}; wr.writeRecord(contents); wr.close(); } catch (IOException e) { e.printStackTrace(); } }