本文共 2394 字，大约阅读时间需要 7 分钟。

一、修改pom.xml文件将默认的jar方式改为war：

   
    com.xiaobu
       
   
    chapter
       
   
    0.0.1-SNAPSHOT
       
   
    war
       
   
    chapter
       
   
    Demo project for Spring Boot
   

二、排除内置的Tomcat容器以及添加依赖：

               
    
     org.springframework.boot
                
    
     spring-boot-starter-web
              
                
                    
                         
      
       org.springframework.boot
                          
      
       spring-boot-starter-tomcat
                      
                 
            
           
               
    
     org.springframework.boot
                
    
     spring-boot-starter-tomcat
                
                
    
     provided
            
   

三、继承org.springframework.boot.web.servlet.support.SpringBootServletInitializer，实现configure方法：

package com.xiaobu;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;import org.springframework.boot.builder.SpringApplicationBuilder;import org.springframework.boot.web.servlet.ServletComponentScan;import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;import tk.mybatis.spring.annotation.MapperScan;/** * @author xiaobu * @date 2018/12/24 13:43 * @descprition   如果您正在构建WAR文件并部署它，则需要WebApplicationInitializer。 * @version 1.0 */@MapperScan(basePackages = "com.xiaobu.mapper")@SpringBootApplication@ServletComponentScanpublic class ChapterApplication extends SpringBootServletInitializer {    @Override    protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {        return builder.sources(ChapterApplication.class);    }    public static void main(String[] args) {        SpringApplication.run(ChapterApplication.class, args);    }}

四、设置war包名称

           
                
                     
      
       src/main/resources
                  
                 
                     
      
       src/main/java
                      
                          
       
        **/*.xml
                       
                      
      
       true
                  
             
            
            
    
     chapter
            
                
                     
      
       org.springframework.boot
                      
      
       spring-boot-maven-plugin
                  
             
        
   

五、复制war包到tomcat的webapps目录下：

六、访问localhost:8080/chapter/demo/demo.

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