【SpringBoot】Warの作成

①pom.xml（WARの設定）

  1 <?xml version="1.0" encoding="UTF-8"?>
  2 <project xmlns="http://maven.apache.org/POM/4.0.0"
  3     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  5     <modelVersion>4.0.0</modelVersion>
  6 
  7     <parent>
  8         <groupId>org.springframework.boot</groupId>
  9         <artifactId>spring-boot-starter-parent</artifactId>
 10         <version>2.2.6.RELEASE</version>
 11         <relativePath /> <!-- lookup parent from repository -->
 12     </parent>
 13     <groupId>com.example</groupId>
 14     <artifactId>warapp</artifactId>
 15     <version>0.0.1-SNAPSHOT</version>
 16     <packaging>war</packaging>
 17     <name>War</name>
 18     <description>Demo War Project  For Spring Boot</description>
 19 
 20     <properties>
 21         <java.version>1.8</java.version>
 22     </properties>
 23 
 24     <dependencies>
 25 
 26         <dependency>
 27             <groupId>org.springframework.boot</groupId>
 28             <artifactId>spring-boot-starter-thymeleaf</artifactId>
 29         </dependency>
 30         <dependency>
 31             <groupId>org.springframework.boot</groupId>
 32             <artifactId>spring-boot-starter-web</artifactId>
 33             <!-- 追加↓↓↓↓↓↓ -->
 34             <exclusions>
 35                 <exclusion>
 36                     <groupId>org.springframework.boot</groupId>
 37                     <artifactId>spring-boot-starter-tomcat</artifactId>
 38                 </exclusion>
 39             </exclusions>
 40             <!-- 追加↑↑↑↑↑↑ -->
 41         </dependency>
 42         <dependency>
 43             <groupId>org.springframework.boot</groupId>
 44             <artifactId>spring-boot-starter-web-services</artifactId>
 45         </dependency>
 46 
 47         <dependency>
 48             <groupId>org.springframework.boot</groupId>
 49             <artifactId>spring-boot-devtools</artifactId>
 50             <scope>runtime</scope>
 51             <optional>true</optional>
 52         </dependency>
 53         <dependency>
 54             <groupId>com.h2database</groupId>
 55             <artifactId>h2</artifactId>
 56             <scope>runtime</scope>
 57         </dependency>
 58         <dependency>
 59             <groupId>org.springframework.boot</groupId>
 60             <artifactId>spring-boot-configuration-processor</artifactId>
 61             <optional>true</optional>
 62         </dependency>
 63         <dependency>
 64             <groupId>org.projectlombok</groupId>
 65             <artifactId>lombok</artifactId>
 66             <optional>true</optional>
 67         </dependency>
 68         <dependency>
 69             <groupId>org.springframework.boot</groupId>
 70             <artifactId>spring-boot-starter-tomcat</artifactId>
 71             <scope>provided</scope>
 72         </dependency>
 73         <dependency>
 74             <groupId>org.springframework.boot</groupId>
 75             <artifactId>spring-boot-starter-test</artifactId>
 76             <scope>test</scope>
 77             <exclusions>
 78                 <exclusion>
 79                     <groupId>org.junit.vintage</groupId>
 80                     <artifactId>junit-vintage-engine</artifactId>
 81                 </exclusion>
 82             </exclusions>
 83         </dependency>
 84 
 85         <!-- https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
 86         <!-- 追加↓↓↓↓↓↓ -->
 87         <dependency>
 88             <groupId>javax.servlet</groupId>
 89             <artifactId>javax.servlet-api</artifactId>
 90             <scope>provided</scope>
 91         </dependency>
 92         <!-- 追加↑↑↑↑↑↑ -->
 93         <!-- https://mvnrepository.com/artifact/org.apache.tomcat/tomcat-servlet-api -->
 94         <!-- <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>tomcat-servlet-api</artifactId> 
 95             <version>9.0.34</version> </dependency> -->
 96 
 97     </dependencies>
 98 
 99     <build>
100         <!-- 追加(War起動用Context)↓↓↓↓↓↓ -->
101         <finalName>warapp</finalName>
102         <!-- 追加(War起動用Context)↑↑↑↑↑↑ -->
103         <plugins>
104             <plugin>
105                 <groupId>org.springframework.boot</groupId>
106                 <artifactId>spring-boot-maven-plugin</artifactId>
107             </plugin>
108         </plugins>
109     </build>
110 </project>

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②application.properties（SpringBootの起動用の設定）

#Springboot Start Config
server.port=8088
server.servlet.context-path=/demoapp

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③

方法一：WarApplication.javaのSpringBootServletInitializerをExtendsする

 1 package com.example.app;
 2 
 3 import org.springframework.boot.SpringApplication;
 4 import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 import org.springframework.boot.builder.SpringApplicationBuilder;
 6 import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
 7 
 8 @SpringBootApplication
 9 public class WarApplication extends SpringBootServletInitializer{
10 
11     public static void main(String[] args) {
12         SpringApplication.run(WarApplication.class, args);
13     }
14 
15     @Override
16     protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
17         return application.sources(WarApplication.class);
18     }
19 }

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方法二：ServletInitializerの新規

 1 package com.example.app;
 2 
 3 import org.springframework.boot.builder.SpringApplicationBuilder;
 4 import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
 5 
 6 public class ServletInitializer extends SpringBootServletInitializer {
 7 
 8     @Override
 9     protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
10         return application.sources(WarApplication.class);
11     }
12 
13 }

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④その他

https://qiita.com/yuji38kwmt/items/84927f21c71a163724f1

https://www.jianshu.com/p/e4a9ac255be3

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原文地址：https://www.cnblogs.com/lnsylt/p/12724934.html