java中的jdbc操作

 package demo;

 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;

 public class Insert {
     //声明一个Connection连接对象
     public Connection conn = null ;
     //声明一个PreparedStatemente语句对象
     public PreparedStatement  psta = null ;
     //声明一个SQL字符串
     public String sql = null ;
     //声明驱动字符串
     public String driver = "com.mysql.jdbc.Driver" ;
     //声明连接字符串
     public String url = "jdbc:mysql://rm-uf6394r31pw7th97lo.mysql.rds.aliyuncs.com:3306/foton_bas5_ip" ;
     //声明数据库用户名
     public String user = "ekingwin" ;
     //声明数据库密码
     public String pwd = "Ekingwin123" ;
     public void jdbc(){
         //加载数据库驱动
         try {
             Class.forName(driver) ;
         } catch (ClassNotFoundException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
             System.out.println("数据库驱动加载失败！！！");
         }

         //连接数据库
         try {
             conn = DriverManager.getConnection(url, user, pwd) ;
         } catch (SQLException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
             System.out.println("数据库连接失败！！！");
         }
         try {
         //添加数据信息
         for(int i=1;i<=1000;i++){
             String sql = "INSERT INTO bas_foton_purchase (id,year,companycode,companydesc,factorycode"
                       + ",factorydesc,onemateial,onemateialname,twomateial,twomateialname,"
                       + "threemateial,threemateialname,januaryamount,februaryamount,marchamount"
                       + ",aprilamount,mayamount,juneamount,julyamount,augustamount,seqtemberamount"
                       + ",octoberamount,novemberamount,decemberamount,amount,empuid) VALUES(?,?,?,?,?,?,?,?,?,?,?"
                       + ",?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)";

                       psta = conn.prepareStatement(sql);
                       psta.setInt(1,i);
                       psta.setString(2, "year");
                       psta.setString(3, "245252");
                       psta.setString(4, "245252");
                       psta.setString(5, "245252");
                       psta.setString(6, "245252");
                       psta.setString(7, "245252");
                       psta.setString(8, "245252");
                       psta.setString(9, "245252");
                       psta.setString(10, "245252");
                       psta.setString(11, "245252");
                       psta.setString(12, "245252");
                       psta.setString(13, "245252");
                       psta.setString(14, "245252");
                       psta.setString(15, "245252");
                       psta.setString(16, "245252");
                       psta.setString(17, "245252");
                       psta.setString(18, "245252");
                       psta.setString(19, "245252");
                       psta.setString(20, "245252");
                       psta.setString(21, "245252");
                       psta.setString(22, "245252");
                       psta.setString(23, "245252");
                       psta.setString(24, "245252");
                       psta.setString(25, "245252");
                       psta.setString(26, "lllllllllll");

             //通过语句对象实现添加操作，该方法返回一个影响几行数据的整形值
             int num = psta.executeUpdate();

             if(num>0){
                 System.out.println("数据操作成功！！！！"+i);
             }
             else{
                 System.out.println("数据操作失败！！！！！");
             }
         }

             //通过语句对象实现添加操作，该方法返回一个影响几行数据的整形值

         } catch (SQLException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
             System.out.println("数据库操作数据失败。。。。");
         }

         //4、关闭数据库操作对象
         try {
             psta.close();
             conn.close();
         } catch (SQLException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
         }
     }

     public static void main(String[] args) {
         // TODO Auto-generated method stub
          Insert test = new Insert();
         test.jdbc();
     }

 }