jdbc 连接MySQL数据库
1.导入MySQL驱动:
<!-- mysql的驱动--> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> </dependency>
在maven下导入MySQL驱动包。
2.连接MySQL:
package com.xiaofu.servlet; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class Text { public static void main(String[] args) throws ClassNotFoundException, SQLException { //useUnicode=true&characterEncoding=utf-8 解决数据库乱码 //user 要连接的数据库 String url = "jdbc:mysql://127.0.0.1:3306/mysql?useUnicode=true&characterEncoding=utf-8"; String username = "root"; String password = "1234"; //1.加载驱动 Class.forName("com.mysql.jdbc.Driver"); //2.连接数据库 Connection connection = DriverManager.getConnection(url, username, password); System.out.println(connection); } }
运行程序:
打印了这个就证明连接成功了。