JDBC连接数据库随笔

 1     private static final String URL = "jdbc:mysql://localhost:3306/test?serverTimezone=GMT";
 2     //?serverTimezone=GMT
 3     //serverTimezone=GMT
 4     private static final String USER = "root";
 5     private static final String PASSWORD = "root";
 6 
 7     private static Connection conn = null;
 8 
 9     static {
10         try {
11             Class.forName("com.mysql.cj.jdbc.Driver");
12 
13             try {
14                 conn = DriverManager.getConnection(URL, USER, PASSWORD);
15             } catch (SQLException e) {
16                 e.printStackTrace();
17             }
18         } catch (ClassNotFoundException e) {
19             e.printStackTrace();
20         }
21     }