新建了一个springboot项目报一下错误：
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
原因是加入了mybatis依赖而没有指定数据库url属性，解决方式：
1、去除mybatis依赖，即去除
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.0</version>
</dependency>
2、加入数据库相关的配置，即加上
spring:
datasource:
url: jdbc:mysql://localhost:3306/db?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&zeroDateTimeBehavior=convertToNull&allowMultiQueries=true&useSSL=false
username: xxx
password: xxx
3、在启动类的@EnableAutoConfiguration或@SpringBootApplication中添加exclude = {DataSourceAutoConfiguration.class}，排除此类的autoconfig。即
@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
public class YourApplication { public static void main(String[] args) {
SpringApplication.run(YourApplication.class, args);
}
}
启动以后就可以正常运行。