importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.SQLException;publicclassMain{publicstaticvoidmain(String[]args){Stringurl="jdbc:mysql://localhost:3306/mydatabase?user=root&password=123456";try{// 加载驱动程序Class.forName("com.mysql.jdbc.Driver");// 建立数据库连接Connectionconn...
Connection conn = DriverManager.getConnection('jdbc:mysql://localhost:3306/test', 'root', '123456');_x000D_ _x000D_ 其中,com.mysql.jdbc.Driver是MySQL JDBC驱动程序的类名,需要先加载该类;localhost:3306表示MySQL数据库所在的主机和端口号;test是要连接的数据库名称;root和123456是MySQL数据库的用户...
String url= "jdbc:mysql://localhost:3306/test?characterEncoding=UTF-8&serverTimezone=Asia/Shanghai"; 1. 我使用的mysql版本是8.0,所以在后面加上了时区,否则默认是UTC时区,比北京时间晚8小时。 然后将mysql数据库对应的user和password封装在Properties类中,最后通过Connection类来创建数据库连接,源代码如下: Dr...
jdbc:mysql://<hostname>[<:3306>]/<dbname> jdbc:mysql://localhost:3306/db_librarySys Connection conn = DriverManager.getConnection ("jdbc:mysql://localhost:3306/db_librarySys?user=root&password=1234");Connection conn = DriverManager.getConnection ("jdbc:mysql://localhost:3306/db_libr...
MySQL —— 程序连接时的驱动名称和URL CONNECTION_DRIVER :com.mysql.jdbc.Driver CONNECTION_URL :jdbc:mysql://localhost/DB_NAME
import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class MySQLConnectionExample { public static void main(String[] args) { String url = "jdbc:mysql://localhost:3306/mydatabase?user=myuser&password=mypassword"; try (Connection conn = DriverManager.getCo...
关于连接mysql 8.0连接url 在连接数据库配置都没错,jar包也有,但是还是报 Could not create connection to database server.错误,那是因为mysql8.0版本的使用的数据库连接字符串不一样,而且还对时区有要求,引用下面的连接即可 url:jdbc:mysql://localhost:3306/yinliu?characterEncoding=utf8&useSSL=false&server...
import java.sql.*; public class MySQLConnection { static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver"; static final String DB_URL = "jdbc:mysql://localhost:3306/mydatabase?useSSL=false&serverTimezone=UTC"; static final String USER = "root"; static final String PASS = "password...
String url = "jdbc//localhost:3306/test"; String username = "root"; String password = "password"; try { // 加载驱动程序 Class.forName("com.mysql.cj.jdbc.Driver"); // 创建连接对象 Connection conn = DriverManager.getConnection(url, username, password); // 创建语句对象 Statement stmt = co...
import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; public class Main { public static void main(String[] args) { String url = "jdbc:mysql://localhost:3306/mydatabase"; String user = "root"; String password = "123456"; ...