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

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2020-08-01 16:23:55.064 ERROR 2216 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   : 

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APPLICATION FAILED TO START
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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 1

@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)//加上数据源
@ComponentScan(basePackages = {"com.xxx"})
public class OssApplication {

    public static void main(String[] args) {
        SpringApplication.run(OssApplication.class,args);
    }
}