配置完数据库就没有启动成功,报错如下,
Description:

Failed to configure a DataSource: ‘url’ attribute is not specified and no embedded datasource could be configured.

Reason: Failed to determine a suitable driver class

Action:

Consider the following:
If you want an embedded database (H2, HSQL or Derby), please put it on the classpath.
If you have database settings to be loaded from a particular profile you may need to activate it (no profiles are currently active).

Process finished with exit code 0
数据库配置如下

数据库配置

spring.datasource.url=jdbc:mysql://localhost:3306/train_member
spring.datasource.username=train_member
spring.datasource.password=123456
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver