教你用dbutis来操作数据库

import java.util.*;   
import java.util.logging.*;   
import java.sql.*;   
import org.apache.commons.dbutils.*;   
import org.apache.commons.dbutils.handlers.*;   
  
public class TestDBUnits {   
    
 public static void main(String[]args) throws Exception {   
  TestDBUnits test = new TestDBUnits();   
     
  for(int i = 0 ; i < 1 ; i++) {      
   test.testQuery1();   
   test.testQuery2();   
   test.testUpdate();   
  }   
 }   
    
 public void testQuery1(){   
  try {   
   QueryRunner qr = new QueryRunner() ;   
   ResultSetHandler rsh = new ArrayListHandler();      
   String strsql = "select * from test1";      
   ArrayList result = (ArrayList)qr.query(getConnection() ,strsql ,rsh);   
   //System.out.print("");   
  } catch(Exception ex) {   
   ex.printStackTrace(System.out);   
  }   
 }   
    
 public void testQuery2(){   
  try {   
   QueryRunner qr = new QueryRunner() ;   
   ResultSetHandler rsh = new MapListHandler();      
   String strsql = "select * from test1";      
   ArrayList result = (ArrayList)qr.query(getConnection() ,strsql ,rsh);   
   for(int i = 0 ; i < result.size() ; i++) {   
    Map map = (Map)result.get(i);   
    //System.out.println(map);       
   }   
   //System.out.print("");   
  } catch(Exception ex) {   
   ex.printStackTrace(System.out);   
  }   
 }   
    
 public void testUpdate(){   
  try {   
   QueryRunner qr = new QueryRunner() ;   
   ResultSetHandler rsh = new ArrayListHandler();   
   String strsql = "insert test1(page ,writable ,content)values('ttt','ttt','faskldfjklasdjklfjasdklj')";   
   qr.update(getConnection() ,strsql);   
   //System.out.print("");   
  } catch(Exception ex) {   
   ex.printStackTrace(System.out);   
  }   
 }   
    
 private  Connection getConnection() throws InstantiationException,   
   IllegalAccessException, ClassNotFoundException, SQLException {   
     
  String strDriver = "org.gjt.mm.mysql.Driver";   
  String strUrl = "jdbc:mysql://localhost:3306/test";   
  String strUser = "root";   
  String strPass = "";   
      
  Class.forName(strDriver).newInstance();     
  return DriverManager.getConnection(strUrl, strUser, strPass);   
 }   
}