springboot项目怎么部署到外部tomcat

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spring-boot项目中，默认提供内嵌的tomcat，所以打包直接生成jar包，用Java -jar命令就可以启动。

但是也有一定的需求，会使用外部tomcat来部署项目。下面来看：

1.新建项目boot-tomcat-test

2.pom依赖：(添加spring-boot-starter-tomcat依赖，打包方式为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">
<modelVersion>4.0.0</modelVersion> <groupId>boot-tomcat</groupId>
<artifactId>com.boot.tomcat</artifactId>
<version>1.0-SNAPSHOT</version> 
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.3.2.RELEASE</version>
<relativePath/>
</parent> <properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
</properties> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency> <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>
</dependency>
</dependencies>

<packaging>war</packaging>
</project>

3.启动App继承SpringBootServletInitializer类，并重写configure方法

package boottest;import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.context.web.SpringBootServletInitializer;/**
* App类描述:
* 继承SpringBootServletInitializer，可以用tomcat部署
* @author yangzhenlong
* @since 2017/5/3
*/
@SpringBootApplication
public class App extends SpringBootServletInitializer{ @Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(App.class);
} public static void main(String[] args) throws Exception {
SpringApplication.run(App.class, args);
}
}

4.Controller：

package boottest;import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;/**
* IndexController类描述:
*
* @author yangzhenlong
* @since 2017/5/3
*/
@RestController
public class IndexController { @RequestMapping("/")
public String index(){
return "hello boot";
}
}

5.配置项目到tomcat，然后启动tomcat