数据库连接

package connect;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class 数据库连接Test {
public static void main(String[] args) {
String url="jdbc:mysql://localhost:3306/ssh";
String user="root1";
String password="123456";
Connection conn;
Statement st;
ResultSet rs;
try {
// 1、加载驱动程序
Class.forName("com.mysql.jdbc.Driver");
//2、连接数据库
conn=DriverManager.getConnection(url, user, password);
//3、声明一个createStatment来执行sql语句
st=conn.createStatement();
//4、声明一个结果集
String sql="select * from userreg";
rs=st.executeQuery(sql);
while(rs.next()){
int id=rs.getInt("id");
String name=rs.getString("name");
String job=rs.getString("job");
System.out.println("Id="+id+"      name="+name+"      job="+job);
}
rs.close();
st.close();
conn.close();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}

}

}