Spring Boot 部署（jar和war的区别）

两种方式的区别

1、 packaging的方式不同，一种设置成jar一种是war

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">    <modelVersion>4.0.0</modelVersion>    <groupId>cn.vcyber.www</groupId>    <artifactId>vcyber-api</artifactId>    <!--这个地方有所区别 -->    <packaging>war</packaging>    <version>1.0-SNAPSHOT</version>    <name>vcyber-api</name>    <url>http://maven.apache.org</url>

2、 继承的方式不同
Application.java需要继承SpringBootServletInitializer，而jar包不需要。
下面是war继承的方式：

@SpringBootApplication@RestControllerpublic class Application extends SpringBootServletInitializer{    public static void main(String[] args) {        SpringApplication.run(Application.class,args);    }    @Override    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {        return builder.sources(Application.class);    }}

3、spring boot内置tomcat
springboot内置tomcat容器，默认tomcat8的版本，war包部署时，需要在pom文件中有关跟tomcat有关系的jar包scope都设置成provided。
去掉spring boot内置的tomcat代码：

<dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>            <exclusions>                <exclusion>                    <artifactId>log4j-over-slf4j</artifactId>                    <groupId>org.slf4j</groupId>                </exclusion>                <exclusion>                    <groupId>org.springframework.boot</groupId>                    <artifactId>spring-boot-starter-tomcat</artifactId>                </exclusion>            </exclusions>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-tomcat</artifactId>            <scope>provided</scope>        </dependency>