spring starter project (STS tools)构建工程 Cannot determine embedded database driver class for

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Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2017-12-05 17:51:54.252 ERROR 30225 --- [           main] o.s.b.d.LoggingFailureAnalysisReporter   :

***************************
APPLICATION FAILED TO START
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Description:

Cannot determine embedded database driver class for database type NONE

ｏｐｅｎ　application.properties ｆｉｌｅ　

ａｄｄ　：　spring.datasource.url=jdbc:mysql://localhost/Test_DB

ｏｒ　

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

@SpringBootApplication
@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})
public class SpringBatchHelloWorldApplication {

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