android 开发学习2

Dao dao = new Dao(yi_ji_lu_zhang_dan.this);
List<GetOneRecord> list = dao.getAllRecord();
//创建迭代器
Iterator<GetOneRecord> iterator = list.iterator();

while (iterator.hasNext()){
    GetOneRecord getOneRecord = iterator.next();//迭代器的使用方法
    Date date = new Date(getOneRecord.getTime());
    DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//格式化时间
    String sdate = dateFormat.format(date);
    //格式化字符串
    str = String.format("%-3d  ",getOneRecord.getMark()) + String.format("%-20s  ",getOneRecord.getContent()) + String.format("%-8s  ",getOneRecord.getAmount()) + getOneRecord.getTime();
    textView = new TextView();
}