- What is Spring Boot?
Spring Boot makes it easy to create stand-alone, production-grade Spring based Applications that you can “just run”.
You can use Spring Boot to create Java applications that can be started using java -jar or more traditional war deployments.
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- What are the advantages of spring boot application?
SpringBoot打包，Provide a range of non-functional features that are common to large classes of projects (e.g. embedded servers, security, metrics, health checks, externalized configuration).
Opinionated view of the Spring platform and third-party libraries so you can get started with minimum fuss.
Absolutely no code generation and no requirement for XML configuration.
Provide a radically faster and widely accessible getting started experience for all Spring development.
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What are the?requirements of?Spring boot System?
Spring Boot 1.5.9.RELEASE requires
Java 7 +
Spring 4.3.13 +
springboot2？For build support
Maven 3.2+
Gradle 2.9+
Container Support
Tomcat 7+
Jetty 8+ (Jetty 9.3 requires JDK 8 +)
Read more?Spring boot system requirements
Springboot教程、?
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What are the use of @EnableAutoConfiguration annotation?
This annotation tells Spring Boot to “guess” how you will want to configure Spring, based on the jar dependencies that you have added.
Read more?@enableautoconfiguration spring boot example
Spring boot、//和最后一個一起看一下
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- What is Spring Boot Starter?
Spring Boot provides a number of “Starters” that make easy to manage dependencies for your project.
Read More?Spring boot starter
//一系列 starter
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- What is spring-boot-starter-parent?
The spring-boot-starter-parent is a special starter that makes Maven or Gradle dependency-management easier by adding jars to your classpath.
Read More?spring-boot-starter-parent
//需要看一下鏈接
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- What is spring-boot-starter-web?
This starter will add Tomcat and Spring MVC dependency to our application and its default configuration.
Read More?spring-boot-starter-web
//需要看一下鏈接
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- How to create an executable jar using spring boot?
Add this below plugin to pom.xml
<build><plugins><plugin><groupId>org.springframework.boot</groupId><artifactId>spring-boot-maven-plugin</artifactId></plugin></plugins>
</build> Use mvn clean package to create executable jar file
Read More?spring boot executable jar example
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- How do you run and stop spring boot executable jar?
Open cmd or shell window and use java -jar as shown below
$ java -jar myproject-0.0.1-SNAPSHOT.jar
To stop use ctrl+C
Read More?run spring boot jar from command line
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- How do you change JDK version in spring boot?
Java 1.6 as the default compiler level.
You can overwrite it by adding java.version property tag as shown below
<properties><java.version>1.8</java.version>
</properties>
- How to disable specific auto-configuration in spring boot?
You can use exclude property as shown below to disable specific auto configuration
@EnableAutoConfiguration(exclude={DataSourceAutoConfiguration.class})
- What is the use of @SpringBootApplication annotation?
The @SpringBootApplication annotation is equivalent to using @Configuration, @EnableAutoConfiguration and @ComponentScan with their default attributes
Since many spring Boot developers have their main class annotated with @Configuration, @EnableAutoConfiguration and @ComponentScan, spring boot provides you a new annotation @SpringBootApplication as replacement.
//這個三個注解的作用？
