jdbc.utils QueryRunner的建檔使用

package com.jdbc.test;
import java.sql.*;
import java.util.List;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.ResultSetHandler;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;
public class OdbcTest {
@SuppressWarnings({ "unchecked", "rawtypes" })
public static void main(String[] args) {
Connection conn =null;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn  =  DriverManager.getConnection("jdbc:oracle:thin:@192.168.249.137:1521:hgs","hgs","hgs");
    //DriverManager.getConnection("jdbc:oracle:thin:@192.168.249.137:1521:hgs","hgs","hgs");
//Class.forName("oracle.jdbc.driver.OracleDriver");
//Connection connection = null;
//connection = DriverManager.getConnection("jdbc:oracle:thin:@192.168.249.137:1521:hgs","hgs","hgs");
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
QueryRunner qr = new QueryRunner();
////////////////////查詢
try {
List<Animals> ai = qr.query(conn, "select atype,averageage from animals",new BeanListHandler<Animals>(Animals.class));
   for(Animals a : ai){
   System.out.println("atype: "+a.getAtype() +" avgage: "+a.getAverageage());
   }
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
////////////////////////////////////插入
try {
Object[] params= {"man",78};
//qr.insert(conn, "insert into animals(atype,averageage) values(?,?)", new BeanHandler<Animals>(Animals.class), params);
qr.update(conn, "insert into animals(atype,averageage) values(?,?)", params);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
///刪除
try {
Object[] params= {"man",78};
//qr.insert(conn, "insert into animals(atype,averageage) values(?,?)", new BeanHandler<Animals>(Animals.class), params);
qr.update(conn, "delete from animals");
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
conn.close();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
      
}
}