import java.sql.Connection;

import java.sql.DriverManager;

import java.sql.ResultSet;

import java.sql.Statement;

public class TestMysqlConn {

public static void main(String[] args) {

Connection con; 

Statement stmt; 

ResultSet rs;

try {

Class.forName("com.mysql.jdbc.Driver").newInstance(); 

　　　　　　  //test為資料庫名，_test為表名。_test表中有三個欄位：id name description

con = DriverManager.getConnection("jdbc:mysql://127.0.0.1:3306/test","root","root");

stmt = con.createStatement(); 

rs = stmt.executeQuery("select * from _test"); 

while(rs.next()){

int num = rs.getInt("id");

String name = rs.getString("name");

String des = rs.getString("description");

System.out.println(num + " " + name + " " + des);

}

stmt.close();

conn.close();

} catch (Exception e) {

e.printStackTrace();

System.out.println("連線失敗");

}

}

}