SPRINGBOOT-把WEB專案打成WAR包部署到外部TOMCAT
- 將打包方式修改為war
<packaging>war</packaging>
- 移除tomcat依賴或者將tomcat依賴scope改為provide
移除tomcat依賴
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<!-- 移除嵌入式tomcat外掛 -->
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
或者
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
- 繼承org.springframework.boot.web.servlet.support.SpringBootServletInitializer,實現configure方法:
為什麼繼承該類,SpringBootServletInitializer原始碼註釋:
Note that a WebApplicationInitializer is only needed if you are building a war file and deploying it.If you prefer to run an embedded web server then you won't need this at all.
注意,如果您正在構建WAR檔案並部署它,則需要WebApplicationInitializer。如果你喜歡執行一個嵌入式Web伺服器,那麼你根本不需要這個。
啟動類程式碼:
@SpringBootApplication public class Application { public static void main(String[] args) { SpringApplication.run(Application.class, args); } }
1.方式一,啟動類繼承SpringBootServletInitializer實現configure:
@SpringBootApplication public 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); } }
2.方式二,新增加一個類繼承SpringBootServletInitializer實現configure:
public class ServletInitializer extends SpringBootServletInitializer { @Override protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) { //此處的Application.class為帶有@SpringBootApplication註解的啟動類 return builder.sources(Application.class); } }
- 注意事項
使用外部Tomcat部署訪問的時候,application.properties(或者application.yml)中配置的
server.port=
server.servlet.context-path=
將失效,請使用tomcat的埠,tomcat,webapps下專案名進行訪問。為了防止應用上下文所導致的專案訪問資源載入不到的問題,建議pom.xml檔案中<build></build>標籤下新增<finalName></finalName>標籤:
<build> <!-- 應與application.properties(或application.yml)中context-path保持一致 --> <finalName>war包名稱</finalName> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build>
- 使用idea生成war包
在idea選單欄中找到Build---->build Arufacts生成war,生成的war包會在target資料夾中找到
- 開啟tomcat
在位址列輸入伺服器地址及埠號,進入之後會有如下頁面
點選manager app 需要輸入使用者名稱和密碼
登入成功後在最下面會有個deploy按鈕,先選擇之前已經準備好的war包,點選deploy就會部署到tomcat伺服器端,部署成功之後專案會自動執行。
如果可以遠端到伺服器的話可以像部署到本地tomcat一樣,直接把war包放在webAPP下,然後啟動tomcat就行了。