[英]How to connect to a remote MySQL database using Java?
Can anyone provide me the Java SE coding to connect to the MySQL database in a Server (not in the localhost)? 谁能为我提供Java SE编码以连接到服务器(而不是本地主机)中的MySQL数据库? what should I put instead of "localhost" and port number?
我应该用什么代替“ localhost”和端口号?
import java.sql.Connection;
import java.sql.DriverManager;
public class Main {
public static void main(String[] argv) throws Exception {
String driverName = "org.gjt.mm.mysql.Driver";
Class.forName(driverName);
String serverName = "localhost";
String mydatabase = "mydatabase";
String url = "jdbc:mysql :// " + serverName + "/" + mydatabase;
String username = "username";
String password = "password";
Connection connection = DriverManager.getConnection(url, username, password);
}
}
simply use 只需使用
String dbUrl = "jdbc:mysql://your.database.domain/yourDBname";
Class.forName("com.mysql.jdbc.Driver");
Connection con = DriverManager.getConnection (dbUrl);
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(query);
make sure that tou have access right to remote machine in mysql 确保tou有权访问mysql中的远程计算机
give ip instead your.database.domain 给ip而不是your.database.domain
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