一、打包War包

1、修改打包格式

在pom.xml里设置 war

2、设置打包插件

<build>
    <finalName>androids</finalName>
    <plugins>
       <plugin>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-maven-plugin</artifactId>
       </plugin>
    </plugins>
</build>
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3、由于打成war包是放在tomcat下运行，所以得移除springboot内置的tomcat

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <!-- 移除嵌入式tomcat插件 -->
        <exclusions>
            <exclusion>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-tomcat</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
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4、添加servlet-api的依赖

以下依赖任选其一

<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <version>3.1.0</version>
    <scope>provided</scope>
</dependency>
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<dependency>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>tomcat-servlet-api</artifactId>
    <version>8.0.36</version>
    <scope>provided</scope>
</dependency>
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5、我们需要类似于web.xml的配置方式来启动spring上下文了，在Application类的同级添加一个SpringBootStartApplication类，其代码如下:

import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;

public class SpringBootStartApplication extends SpringBootServletInitializer {
    public SpringBootStartApplication() {
    }

    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
        return builder.sources(new Class[]{AndroidsApplication.class});
    }
}
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6、Terminal终端输入打包命令

mvn clean package
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最终war包在target根目录下

二、打包Jar包

1、修改打包格式

在pom.xml里设置 jar

2、添加servlet-api的依赖：若你整合了servlet程序，就需要导入依赖

任选其一

<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <version>3.1.0</version>
    <scope>provided</scope>
</dependency>
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<dependency>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>tomcat-servlet-api</artifactId>
    <version>8.0.36</version>
    <scope>provided</scope>
</dependency>
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3、设置打包插件

<build>
   <finalName>androids</finalName>
   <plugins>
       <plugin>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-maven-plugin</artifactId>
           <configuration>
               <fork>true</fork>
           </configuration>
       </plugin>
   </plugins>
</build>
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4、Terminal终端输入打包命令

mvn clean package
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最终war包在target根目录下

5、在target目录下运行jar包

cmd进入target目录，使用java -jar xxx.jar运行xxx名字的jar包