how to return jsp page in springboot

1. Generate a project in https://start.spring.io/ and add web dependencies

2. Add in application.properties

spring.mvc.view.prefix=  /WEB-INF/jsp/
spring.mvc.view.suffix=.jsp

3. In XXApplication.kt

@SpringBootApplication
class WebappApplication : SpringBootServletInitializer() {

    override fun configure(builder: SpringApplicationBuilder?): SpringApplicationBuilder? {
        return builder?.sources(WebappApplication::class.java)
    }

}

4.XXController: (Note that it needs to be in the subpackage of the package where XXApplication.kt is located, or it is possible that the controller cannot be scanned)

@Controller
class LoginController {

    @RequestMapping("/login")
    fun login() :String{
        return "index"
    }
}

5. Create a new webapp/WEB-INF/jsp under main, and put the .jsp page in it

*In intellij idea, add the web resource directory path under the project structure/Modules/Web module, you can create a new jsp file

6.gradle needs to add:

//jsp
	compile group: 'javax.servlet',name:"jstl",version:'1.2'
	runtime group: 'org.apache.tomcat', name: 'tomcat-jasper', version: '9.0.2'

*Requires runtime compilation, otherwise the jar package will conflict and report an error

Refer to the official project: https://github.com/spring-projects/spring-boot/tree/master/spring-boot-samples/spring-boot-sample-web-jsp

参考：1.http://blog.csdn.net/cszhang570221322/article/details/78129565

how to return jsp page in springboot

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