代码参考 《Spring 实战》(第四版),本文和书中代码略有差异
HelloWebAppInitializer.java
package com.yangrd.springmvc.config;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
public class HelloWebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
    @Override
    protected Class<?>[] getRootConfigClasses() {
        System.out.println("getRootConfig");
        return new Class<?>[]{RootConfig.class};
    }
    @Override
    protected Class<?>[] getServletConfigClasses() {
        System.out.println("getServletConfig");
        return new Class<?> []{WebConfig.class};
    }
    @Override
    protected String[] getServletMappings() {
        System.out.println("getServletMappings");
        return new String[]{"/"};
    }
}
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	RootConfig.java
		package com.yangrd.springmvc.config;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.FilterType;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@Configuration
@ComponentScan(basePackages = {"com.yangrd.springmvc"},
        excludeFilters = {@ComponentScan.Filter(type= FilterType.ANNOTATION,value = EnableWebMvc.class)})
public class RootConfig {
}
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	WebConfig.java
		package com.yangrd.springmvc.config;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.ViewResolver;
import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.web.servlet.view.InternalResourceViewResolver;
@Configuration
@EnableWebMvc
@ComponentScan("com.yangrd.springmvc.controller")
public class WebConfig extends WebMvcConfigurerAdapter {
    @Bean
    public ViewResolver viewResolver(){
        InternalResourceViewResolver resolver = new InternalResourceViewResolver();
        resolver.setPrefix("/WEB-INF/views/");
        resolver.setSuffix(".html");
        resolver.setExposeContextBeansAsAttributes(true);
        return resolver;
    }
    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer){
        configurer.enable();
    }
}
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	HelloController.java
package com.yangrd.springmvc.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import static org.springframework.web.bind.annotation.RequestMethod.GET;
/**
 *
 */
@Controller //声明为一个控制器
public class HelloController {
    @RequestMapping(value = "/home",method = GET)//处理对 “/” 的 GET 请求
    public String hello(){
        return "hello"; //逻辑视图名为hello
    }
}
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	views
		views
文件夹下新建			hello.html
		<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Hello</title>
</head>
<body>
    hello world
</body>
</html>
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	Add Configuration...
		Tomcat Server
-			Local
		Deployment
- 点击			+
,选择			Artifact
		Apply
,			OK