springboot-springmvc-gradle整合
环境
- spring5.x
- spring-boot 2.0.4.RELEASE
- gradle 4.7
创建spring boot项目
使用idea创建一个基于gradle的springboot项目，在build.gradle文件中加入:
//加入后自动生成`webapp`目录
apply plugin: 'war'加入依赖:
dependencies {
compile('org.springframework.boot:spring-boot-starter-web')
//Required dependency for JSP
//providedRuntime 不能用，因为spring5.x不认了
compile 'org.apache.tomcat.embed:tomcat-embed-jasper'
testCompile('org.springframework.boot:spring-boot-starter-test')
}项目结构:
mvc配置
WebMvcConfig.java配置，实现WebMvcConfigurer:
@Configuration
@EnableWebMvc
public class WebMvcConfig implements WebMvcConfigurer {
@Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
@Override
public void configureViewResolvers(ViewResolverRegistry registry) {
InternalResourceViewResolver resolver = new InternalResourceViewResolver();
resolver.setPrefix("/WEB-INF/views/");
resolver.setSuffix(".jsp");
registry.viewResolver(resolver);
}
}WebMvcConfigurerAdapter在java8中被遗弃,因为java8中接口可以存在默认方法的原因:
@Deprecated
public abstract class WebMvcConfigurerAdapter implements WebMvcConfigurer {
}Controller控制访问
HomeController.java
@Controller
public class HomeController {
@RequestMapping("welcome")
public String welcome(){
return "welcome";
}
}并在/WEB-INF/views/下创建welcome.jsp
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>welcome</title>
</head>
<body>
welcome
</body>
</html>
访问
启动Demo2Application,然后访问http://localhost:8080/welcome