往MySQL中批量添加记录信息

<%@ page language="java" import="java.sql.*,java.io.FileReader,java.io.*,java.util.*;
" contentType="text/html;charset=gb2312"%>
<%
  
   String info="";
   String traininfo[]=new String[20];   //存储每条记录的信息
-
 

   int index=0;
  
  
   Connection con=null;
   PreparedStatement psm=null;
   Statement sm=null;
  
 
  
   try
   {
   Class.forName("com.mysql.jdbc.Driver").newInstance();
   String url="jdbc:mysql://localhost/trainsystem";
   con=DriverManager.getConnection(url,"root","");
  
  
    BufferedReader in = new BufferedReader(new FileReader("C:\\Users\\wangxing\\Workspaces\\MyEclipse 8.5 M1\\test1\\WebRoot\\traininfo.txt"));

//将要添加的所有记录的信息编辑进该text文件中，各属性间以空格分开，每行一条记录
   
    while ((info = in.readLine()) != null) {
        
         StringTokenizer st = new StringTokenizer(info);
        
         while(st.hasMoreElements()){
             traininfo[index]=st.nextToken();   //默认以空格作为分段符
             index++;
             }
  
  
          sm=con.createStatement();
 
          psm=con.prepareStatement("insert into traininfo(trainno,start,time1,arrivel,time2,time,waylength,p1,p2,p3,p4,totalsell,stopno,fullroute) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?);");
          psm.setString(1,traininfo[0]);
          psm.setString(2,traininfo[1]);
          psm.setString(3,traininfo[2]);
          psm.setString(4,traininfo[3]);
          psm.setString(5,traininfo[4]);
          psm.setString(6,traininfo[5]);
          psm.setString(7,traininfo[6]);
          psm.setString(8,traininfo[7]);
          psm.setString(9,traininfo[8]);
          psm.setString(10,traininfo[9]);
          psm.setString(11,traininfo[10]);
          psm.setString(12,traininfo[11]);
          psm.setString(13,traininfo[12]);
          psm.setString(14,traininfo[13]);
         
          psm.executeUpdate();
         
         
          for(int i=0;i<=19;i++)
            traininfo[i]=null;
           
           
          index=0;
          }
         in.close();

   }
  
  catch(Exception e){
    System.out.print(e.getMessage());
   }
   finally
   {
   if(psm!=null)
   {
   try {psm.close();}catch(Exception e){ e.printStackTrace();}
   }
   if(sm!=null)
   {
   try {sm.close();}catch(Exception e){ e.printStackTrace();}
   }
   if(con!=null)
   {
   try {con.close();}catch(Exception e){ e.printStackTrace();}
   }
   }
 %> 

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