Jsp常用功能:CSV文件的生成与分析

        fos = new FileOutputStream(arg, false);
        sb = new StringBuffer();
    }
    public void setData(String data) {
        if (convertFlag)
            data = UtilCla.CSVEncode(data);
        sb.append(AV_CHAR);
        sb.append(data);
        sb.append(AV_CHAR);
        sb.append(DEL_CHAR);
    }
    public void setConvertFlag(boolean b) {
        convertFlag = b;
    }
    public void writeLine() {
        if (sb.charAt(sb.length() - 1) == ',')
            sb.delete(sb.length() - 1, sb.length());
        sb.append("\r\n");
    }
    public void writeDataByLine(String[] args) {
        for (int i = 0; i < args.length; i++)
            setData(args[i]);
        writeLine();
    }
    public void close() throws IOException {
        try {
            fos.write(sb.toString().getBytes());
        } catch (IOException e) {
            throw e;
        } finally {
            fos.close();
        }
    }
    public static void main(String[] args) {
        try {
            CSVCreater csvCre = new CSVCreater("C:\\test.csv");
            csvCre.setConvertFlag(true);
            csvCre.setData("aaa");
            csvCre.setData("aa,a");
            csvCre.writeLine();
            csvCre.setData("aa\"a");
            csvCre.setData("aa,a");
            csvCre.setData("aa,a");
            csvCre.writeLine();
            csvCre.setData("aa\"a");
            csvCre.setData("aa,\"a");
            csvCre.setData("aa,\"a");
            csvCre.setData("aa,\"a");
            csvCre.setData("aa,\"a");
            csvCre.writeLine();
            csvCre.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

CSV文件分析类：

package com.vogoal.util.csv;
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import com.vogoal.util.UtilCla;
/**
* @author SinNeR
* http://bbs.blueidea.com
*
* CSVAnalysis
*/
public class CSVAnalysis {
    private InputStreamReader fr = null;
    private boolean convertFlag = false;
    private ArrayList dataContainer = new ArrayList();
    public static final String DEL_CHAR = ",";
    public static final String AV_CHAR = "\"";
    public CSVAnalysis(String f) throws IOException {
        fr = new InputStreamReader(new FileInputStream(f));