java操作csv文件相关代码，java操作csv代码,import java.

java操作csv文件相关代码，java操作csv代码,import java.

import java.io.BufferedReader;import java.io.FileReader;import java.io.IOException;import java.util.ArrayList;import java.util.Iterator;import java.util.List;/** * *  JAVA 操作 excel 文档中的 .csv文件格式 */public class CsvOperateUtil {  private String filename = null;    private BufferedReader bufferedreader = null;    private List list =new ArrayList();    public CsvOperateUtil() {    }  public static void main(String[] args) throws IOException {      CsvOperateUtil test = new CsvOperateUtil();      test.testRun("C:/file2/B_F_DEP_SAE_CB_ACCT_TMP.csv");  }  public CsvOperateUtil(String filename) throws IOException{        this.filename = filename;      bufferedreader = new BufferedReader(new FileReader(filename));      String stemp;      while((stemp = bufferedreader.readLine()) != null){          list.add(stemp);      }  }  public List getList() throws IOException {      return list;  }  public int getRowNum(){      return list.size();  }  public int getColNum(){      if(!list.toString().equals("[]")) {          if(list.get(0).toString().indexOf(",")>0) {              return list.get(0).toString().split(",").length;          }else if(list.get(0).toString().trim().length() != 0) {              return 1;          }else{              return 0;          }      }else{          return 0;      }  }  public String getRow(int index) {      if (this.list.size() != 0)          return (String) list.get(index);      else          return null;  }  public String getCol(int index){      if (this.getColNum() == 0){          return null;      }      StringBuffer scol = new StringBuffer();      String temp = null;      int colnum = this.getColNum();      if (colnum > 1){          for (Iterator it = list.iterator(); it.hasNext();) {              temp = it.next().toString();              scol = scol.append(temp.split(",")[index] + ",");          }      }else{              for (Iterator it = list.iterator(); it.hasNext();) {              temp = it.next().toString();              scol = scol.append(temp + ",");          }      }      String str=new String(scol.toString());      str = str.substring(0, str.length() - 1);      return str;  }  public String getString(int row, int col) {      String temp = null;      int colnum = this.getColNum();      if(colnum > 1){          temp = list.get(row).toString().split(",")[col];      }else if(colnum == 1) {          temp = list.get(row).toString();      }else{          temp = null;      }      return temp;  }  public void CsvClose() throws IOException {      this.bufferedreader.close();  }  public void testRun(String filename) throws IOException {      CsvOperateUtil cu = new CsvOperateUtil(filename);      for(int i=0;i<cu.getRowNum();i++){          String ID = cu.getString(i,0);//得到第i行.第一列的数据.          String CODE = cu.getString(i,1);;//得到第i行.第二列的数据.          String NAME = cu.getString(i,2);;          String TEL = cu.getString(i,3);;          System.out.println("===ID:"+ID);          System.out.println("===CODE:"+CODE);          System.out.println("===NAME:"+NAME);          System.out.println("===TEL:"+TEL);          System.out.println(" ");      }      cu.CsvClose();  }}