sharding-jdbc Data sources cannot be empty.

 <dependency>
            <groupId>org.apache.shardingsphere</groupId>
            <artifactId>sharding-jdbc-spring-boot-starter</artifactId>
            <version>4.0.0-RC1</version>
        </dependency>

引入这个maven依赖之后 不能启动springboot项目 ，原因是sharding-jdbc没配置默认的连接数据库，需要在启动类中屏蔽这个自动装载的类

import org.apache.shardingsphere.shardingjdbc.spring.boot.SpringBootConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;

@SpringBootApplication(exclude={DataSourceAutoConfiguration.class, SpringBootConfiguration.class})

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


找不到引入的时候来这里查
https://mvnrepository.com/