Springboot项目配置Devtools

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-devtools</artifactId>
			<scope>runtime</scope>
			<optional>true</optional>
		</dependency>

<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
				<configuration>
					<!--fork :  如果没有该项配置，devtools可能不会起作用，即应用不会restart -->
					<fork>true</fork>
					<excludeDevtools>true</excludeDevtools>
					<excludes>
						<exclude>
							<artifactId>spring-boot-starter-tomcat</artifactId>
							<groupId>org.springframework.boot</groupId>
						</exclude>
					</excludes>
				</configuration>
			</plugin>