Spring Boot將項目打包成war包


1 修改項目打包類型

在pom.xml里,項目打包類型將jar設置成war:

<packaging>war</packaging>

2 移除內置tomcat容器

在pom.xml里設置:

<dependencies>
        <!--web啟動器依賴-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <!--移除默認啟動容器-->
            <exclusions>
                <exclusion>
                    <artifactId>spring-boot-starter-tomcat</artifactId>
                    <groupId>org.springframework.boot</groupId>
                </exclusion>
            </exclusions>
        </dependency>

3 添加servlet-api依賴

若項目的某些工具類會用到該依賴,如果缺失,會報錯:

/tool/WebUtil.java:[6,26] 程序包javax.servlet.http不存在

需要在pom.xml里添加如下依賴:

<dependency>    
        <groupId>javax.servlet</groupId>    
        <artifactId>javax.servlet-api</artifactId>    
        <version>3.1.0</version>    
        <scope>provided</scope>
</dependency>

或者下面依賴(任選其一):

<dependency>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>tomcat-servlet-api</artifactId>
    <version>8.0.36</version>
    <scope>provided</scope>
</dependency>

4 修改項目啟動類

Spring Boot入口類必須實現SpringBootServletInitializer接口的configure方法才能讓外部容器運行Spring Boot項目。

原入口類MainApplication.java內容如下:

package com.maxbill;

import com.maxbill.core.desktop.DesktopApp;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.context.ConfigurableApplicationContext;


@SpringBootApplication
@MapperScan("com.maxbill.base.dao")
public class MainApplication extends DesktopApp {

    public static ConfigurableApplicationContext context;

    public static void main(String[] args) {
        //啟動后台服務
        context = SpringApplication.run(MainApplication.class, args);
        //啟動桌面服務
        launch(args);
    }

}

修改后內容如下:

package com.maxbill;


import com.maxbill.core.desktop.DesktopApp;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;       
import org.springframework.boot.builder.SpringApplicationBuilder;

@SpringBootApplication
@MapperScan("com.maxbill.base.dao")
public class MainApplication extends SpringBootServletInitializer{
    @Override
    //修改啟動類,繼承 SpringBootServletInitializer並重寫 configure方法
    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder){
        //注意這里要指向原先用main方法執行的Application啟動類
        return builder.sources(MainApplication.class);
        
    }
    
    public static ConfigurableApplicationContext context;

    public static void main(String[] args) {
        //啟動后台服務
        context = SpringApplication.run(MainApplication.class, args);
        //啟動桌面服務
        launch(args);
    }

}

5 打包部署項目

maven執行命令跳過測試打包:

mvn clean package -DskipTests

build信息如下:

[INFO] Building war: D:\Workspace\MaxBill-RedisPlus-master\RedisPlus\target\RedisPlus-0.0.1-SNAPSHOT.war
[INFO]
[INFO] --- spring-boot-maven-plugin:2.0.4.RELEASE:repackage (default) @ RedisPlus ---
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------

build成功后,在項目target目錄下把war包部署到tomcat的webapps目錄下,例如:

D:\Program Files\Apache Software Foundation\Tomcat 8.0\webapps

啟動tomcat服務,在瀏覽器訪問:

http://localhost:[端口號]/[打包項目名]/

 


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