100分!100分!100分!100分!求.csv文件导入代码？

Question

我这个肯定可以
import  org.apache.poi.hssf.usermodel.*;
import  java.io.*;
import  java.io.FileOutputStream;
import  java.io.IOException;
import  com.jspsmart.upload.*;
import  java.util.*;public class WriteExcel{
    String filename="";
    FileOutputStream fos=null;
    HSSFWorkbook wb=null;
    HSSFSheet s=null;
    HSSFCellStyle style=null;
    HSSFRow row1=null;
    HSSFCell cel1=null;
    int position=0;//行纪录  BASE 0
    public WriteExcel(){}
    public WriteExcel(String path,String filename){
        writePath(path,filename);
    }
    public void writePath(String path,String filename){
        writeFileName(filename);
        writePath(path);
    }
    public void writePath(String path){
        try{
            fos=new FileOutputStream(path + java.io.File.separator +filename); 
            wb=new HSSFWorkbook();
            s=wb.createSheet();
            style = wb.createCellStyle();
                    wb.setSheetName(0,"Sheet1");   //设置SHEET名称 BASE0以0开始
            HSSFRow row=s.createRow((short)position); 
            HSSFCell cell=row.createCell((short)position);
                    cell.setEncoding(HSSFCell.ENCODING_UTF_16);  //双字节汉字编码
                    cell.setCellValue(filename.substring(0,filename.indexOf(".")));
        }catch(Exception e){
            System.out.println(e.toString());
            e.printStackTrace();
        }
    }
  
   public void writeFileName(String filename){
    this.filename=filename;
   }   public void writeData(String aRowStr){
        writeData(String.valueOf(position+1),aRowStr,1);
   }   public void writeData(String aRowStr,int flag){
        writeData("第"+String.valueOf(position+1)+"行",aRowStr,flag);
   }   public void writeData(String rowTitle,String aRowStr,int flag){
        StringTokenizer tokenizer=new StringTokenizer(aRowStr,",");
        String theToken="";
position=position+1;
        row1=s.createRow((short)position); 
        int m=0;  cel1=row1.createCell((short)m++);
cel1.setEncoding(HSSFCell.ENCODING_UTF_16);
        cel1.setCellValue(rowTitle);
       
        while(tokenizer.hasMoreTokens()){
                theToken=tokenizer.nextToken();
  cel1=row1.createCell((short)m++);
cel1.setEncoding(HSSFCell.ENCODING_UTF_16);
                if(flag==0){
                    cel1.setCellValue(Integer.parseInt(theToken));
                }else{
                    cel1.setCellValue(theToken);
                }
        }
 
   }   public void writeEnd(String End_Flag){
    //ExcelData=="END" 表示文件写完毕
       try{
    if (End_Flag.equals("END")){
                    wb.write(fos);
                    fos.close();
    }
       }catch(Exception e){
            System.out.println(e.toString());
            e.printStackTrace();
       }
   }
   
    public static void main(String[] args) {
        WriteExcel sample=new WriteExcel(args[0],args[1]);
        sample.writeData(args[2],0);
        sample.writeEnd("END");
    }   
}