Java写一个连接数据库的实体类
时间: 2023-05-25 22:06:09 浏览: 81
public class DBConnector {
private static final String JDBC_DRIVER = "com.mysql.jdbc.Driver";
private static final String DB_URL = "jdbc:mysql://localhost/sample";
private static final String USER = "root";
private static final String PASSWORD = "password";
private static Connection conn;
public static Connection getConnection() {
try {
Class.forName(JDBC_DRIVER);
conn = DriverManager.getConnection(DB_URL, USER, PASSWORD);
} catch (ClassNotFoundException | SQLException e) {
e.printStackTrace();
}
return conn;
}
public static void closeConnection() {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}