java jdbc数据库操作

 1 package shb.java.demo3;
 2
 3 import java.sql.DriverManager;
 4 import java.sql.ResultSet;
 5 import java.sql.SQLException;
 6 import java.sql.Statement;
 7 /**
 8  * jdbc操作数据库
 9  * @Package:com.cnpc.dlp.web.event.controller
10  * @Description：
11  * @author Shihaobin
12  * @Date 2015-8-27下午1:31:15
13  */
14 public class Demo12 {
15     public static void main(String[] args) {
16         String url = "jdbc:mysql://localhost:3306/base";
17         String username = "root";
18         String password = "bin";
19         try {
20             //加载数据库驱动
21             Class.forName("com.mysql.jdbc.Driver");
22         } catch (ClassNotFoundException e) {
23             // TODO Auto-generated catch block
24             e.printStackTrace();
25         }
26         try {
27             //获得和数据库连接
28             java.sql.Connection connection= DriverManager.getConnection(url, username, password);
29             //创建查询对象
30             Statement statement = connection.createStatement();
31             String sqlinsert = "insert into usertable (username,password)values(‘lizhe‘,‘923840298‘)";
32             String sqlString = "select username from usertable u where u.password = ‘sdf‘";
33             //执行sql语句
34             statement.execute(sqlinsert);
35             System.out.println("success");
36             statement.close();
37             connection.close();
38         } catch (SQLException e) {
39             // TODO Auto-generated catch block
40             e.printStackTrace();
41         }
42
43     }
44 }

如有错误请各位纠正，谢谢。