java读取文件中的内容写入excel中

public static void writexls() {//把读取的文件写入到excel文件中

  int i = 0;

  try {

   file file = new file("d:/cn.csv");

   if (file.isfile() && file.exists()) {

    inputstreamreader read = new inputstreamreader(

      new fileinputstream(file));

    bufferedreader bufferreader = new bufferedreader(read);

    string linetxt = null;

    string[] arg = null;

    getconnection();

    list<string[]> list = new arraylist<string[]>() ;

    linetxt = bufferreader.readline();

    try {

     string tempdate;

     while (linetxt != null && !linetxt.trim().equals("")) {

      i++;

      arg = linetxt.split(",");

      list.add(arg) ;

      linetxt = bufferreader.readline();

     }

     for(string[] args:list){

      system.out.println(args[0]+" "+args[1]+" "+args[2]+" "+args[3]);

     operateexl(list) ;

    } catch (exception e) {

     e.printstacktrace();

    }

   } else {

    system.out.println("文件路径不正确!");

   }

  } catch (exception e) {

   system.out.println("文件错误!");

  } finally {

   system.out.println(i);

  }

 }

 public static void operateexl(list<string[]> list) {

   writableworkbook wb = workbook.createworkbook(new file("d:/test.xls")) ;

   writablesheet sheet = wb.createsheet("第一页", 0) ;

   for(int i=0;i<list.size();i++){

    string arg[] = list.get(i) ;

    for(int j=0;j<arg.length;j++){

     sheet.addcell(new label(j,i,arg[j])) ;

   wb.write() ;

   wb.close() ;

   } catch (exception e) {

   // todo: handle exception

   e.printstacktrace() ;

 public static void main(string[] args) {

  writexls();