spring_boot 发布成war包 ，部署到外部的tomcat

由jar变成war

<packaging>jar</packaging>

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如果是上面的打包方式，启动方式则为

mvn package
java -jar target/mymodule-0.0.1-SNAPSHOT.jar

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改变成war

<?xml version="1.0" encoding="UTF-8"?>
<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/xsd/maven-4.0.0.xsd"> <!-- ... -->
<packaging>war</packaging>
<!-- ... -->
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<!-- ... -->
</dependencies>
</project>

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只需要把tomcat的范围改成provided

如果要发布到外部的tomcat同时需要改变启动方式

新增ServletInitializer类

import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;

public class ServletInitializer extends SpringBootServletInitializer {

@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(Application.class);
}

}

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Application.class 为标注有@SpringBootApplication的主启动类

注意的问题

此时打成的包的名称应该和application.properties的

server.context-path=/spring-boot

保持一致

<build>
<finalName>spring-boot</finalName>
</build>

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如果不一样发布到tomcat的webapps下上下文会变化