mysql的第一个程序

 1 package mysqlTest;
 2 import java.sql.Connection;
 3 import java.sql.DriverManager;
 4 import java.sql.PreparedStatement;
 5 import java.sql.ResultSet;
 6 public class test1 {
 7     public static void main(String[] args) {
 8         Connection connection=null;
 9         PreparedStatement preparedStatement=null;
10         ResultSet resultSet=null;
11         try {
12             String driverClass="com.mysql.jdbc.Driver";
13             String url="jdbc:mysql://localhost:3306/test";
14             String user="root";
15             String password="123456";
16             Class.forName(driverClass);
17             connection=DriverManager.getConnection(url, user, password);
18             System.out.println("connect="+connection);
19             String sql="SELECT * FROM  tb1";
20             preparedStatement=connection.prepareStatement(sql);
21             resultSet=preparedStatement.executeQuery();
22             while(resultSet.next()) {
23                 int id=resultSet.getInt(1);
24                 String name=resultSet.getString(2);
25                 System.out.println(id+"......."+name);
26             }
27         } catch (Exception e) {
28             // TODO: handle exception
29         }
30 
31     }
32 
33 }