网上都是用mavean配置的, 一运行就报很多错误.
build.gradle

buildscript {

    ext{

        springBootVersion = '2.1.0.RELEASE'

    }

    repositories {

        jcenter()

        mavenCentral()

    }

    dependencies {

        classpath "org.springframework.boot:spring-boot-gradle-plugin:${springBootVersion}"

    }

}

apply plugin: 'java'

apply plugin: 'org.springframework.boot'

apply plugin: 'io.spring.dependency-management'



group 'AnShan'

version '0.2'



sourceCompatibility = 1.8



//指定编译的编码

tasks.withType(JavaCompile){

    options.encoding = "UTF-8"

}



repositories {

    maven {

        url 'http://maven.aliyun.com/nexus/content/groups/public/'

    }

    jcenter()

}

configurations {

    compile.exclude module: 'spring-boot-starter-tomcat'

}



dependencies {

    compile fileTree(dir:'libs',includes: ['*.jar'])

    compile ('org.springframework.boot:spring-boot-starter')

}



jar{

//    manifest.attributes 'Main-Class': 'CompareTablesMain'

    from configurations.compile.collect{zipTree it}

}

入口类

import org.springframework.boot.Banner;

import org.springframework.boot.CommandLineRunner;

import org.springframework.boot.SpringApplication;

import org.springframework.boot.autoconfigure.SpringBootApplication;



import static java.lang.System.exit;



@SpringBootApplication

public class Application implements CommandLineRunner {



	public static void main(String[] args) {

		SpringApplication sa = new SpringApplication(Application.class);

		sa.setBannerMode(Banner.Mode.OFF);

		sa.run(args);

	}



	@Override

	public void run(String... args) throws Exception {

		System.out.println("V0");

		exit(0);

	}

}

报错:
** WARNING ** : Your ApplicationContext is unlikely to start due to a @ComponentScan of the default package.


2019-01-16 16:33:04.241  WARN 8076 --- [           main] s.c.a.AnnotationConfigApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: URL [jar:file:C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-autoconfigure\2.1.0.RELEASE\8898af6accfab65ac6e232c1535abbc33cfa5fcb\spring-boot-autoconfigure-2.1.0.RELEASE.jar!/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfiguration$EmbeddedDatabaseConfiguration.class]; nested exception is java.lang.IllegalStateException: Could not evaluate condition on org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration$EmbeddedDatabaseConfiguration due to org/springframework/dao/DataAccessException not found. Make sure your own configuration does not rely on that class. This can also happen if you are @ComponentScanning a springframework package (e.g. if you put a @ComponentScan in the default package by mistake)
2019-01-16 16:33:04.253  INFO 8076 --- [           main] ConditionEvaluationReportLoggingListener : 

Error starting ApplicationContext. To display the conditions report re-run your application with 'debug' enabled.
2019-01-16 16:33:04.264 ERROR 8076 --- [           main] o.s.boot.SpringApplication               : Application run failed

org.springframework.beans.factory.BeanDefinitionStoreException: Failed to read candidate component class: URL [jar:file:C:\Users\Administrator\.gradle\caches\modules-2\files-2.1\org.springframework.boot\spring-boot-autoconfigure\2.1.0.RELEASE\8898af6accfab65ac6e232c1535abbc33cfa5fcb\spring-boot-autoconfigure-2.1.0.RELEASE.jar!/org/springframework/boot/autoconfigure/jdbc/DataSourceAutoConfiguration$EmbeddedDatabaseConfiguration.class]; nested exception is java.lang.IllegalStateException: Could not evaluate condition on org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration$EmbeddedDatabaseConfiguration due to org/springframework/dao/DataAccessException not found. Make sure your own configuration does not rely on that class. This can also happen if you are @ComponentScanning a springframework package (e.g. if you put a @ComponentScan in the default package by mistake)
at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.scanCandidateComponents(ClassPathScanningCandidateComponentProvider.java:454) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ClassPathScanningCandidateComponentProvider.findCandidateComponents(ClassPathScanningCandidateComponentProvider.java:316) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:275) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ComponentScanAnnotationParser.parse(ComponentScanAnnotationParser.java:132) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.doProcessConfigurationClass(ConfigurationClassParser.java:287) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.processConfigurationClass(ConfigurationClassParser.java:242) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:199) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ConfigurationClassParser.parse(ConfigurationClassParser.java:167) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.processConfigBeanDefinitions(ConfigurationClassPostProcessor.java:315) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.annotation.ConfigurationClassPostProcessor.postProcessBeanDefinitionRegistry(ConfigurationClassPostProcessor.java:232) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanDefinitionRegistryPostProcessors(PostProcessorRegistrationDelegate.java:275) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:95) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:691) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:528) ~[spring-context-5.1.2.RELEASE.jar:5.1.2.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) ~[spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) ~[spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) ~[spring-boot-2.1.0.RELEASE.jar:2.1.0.RELEASE]
at Application.main(Application.java:14) ~[classes/:na]