首先需要修改SpringBoot項目的啓動類,在使用SpringBoot直接啓動的時候,啓動類的代碼如下:
package org.test;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Main{
public static void main(String[] args) throws Exception {
SpringApplication.run(Main.class, args);
}
}
而現在如果我們想要部署到外部tomcat上面,就需要修改一下這個啓動類,修改後的啓動類如下:
package org.test;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.support.SpringBootServletInitializer;
@SpringBootApplication
public class Main extends SpringBootServletInitializer{
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(Main.class);
}
public static void main(String[] args) throws Exception {
SpringApplication.run(Main.class, args);
}
}
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在修改了啓動類之後,我們還需要在pom.xml文件中引入tomcat依賴,如下:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>