SpringBoot教程(七)springboot配置WebMvc

版权声明：源于开源_为之开源 https://blog.csdn.net/qq827245563/article/details/85121293

一.配置springboot webmvc

1.springboot webmvc配置方式

   通过继承 extends WebMvcConfigurerAdapter

@Configuration
public class SpringMvcConfig extends  WebMvcConfigurerAdapter {

   通过 implements WebMvcConfigurer 

@Configuration
public class SpringMvcConfig implements WebMvcConfigurer {

  使用@EnableWebMvc 禁用默认配置 所有配置自己重写

@Configuration
@EnableWebMvc
public class SpringMvcConfig extends  WebMvcConfigurerAdapter {

2.springboot为springmvc提供了默认的配置 主要包括视图解析器、静态资源处理、类型转化器与格式化器、HTTP 消息转换器、静态主页的支持等。

3.EnableWebMvc注解问题

上面提到在使用 WebMvcConfigurer 扩展 Spring MVC 组件时，
类上不能加 @EnableWebMvc 注解，原因是在加上该注解后，Spring MVC 的自动配置会失效，
所有的东西都需要我们自动配置。

二.springboot webmvc配置讲解

   1.参数详解 

package com.spf.demo.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.format.FormatterRegistry;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.web.method.support.HandlerMethodArgumentResolver;
import org.springframework.web.method.support.HandlerMethodReturnValueHandler;
import org.springframework.web.servlet.HandlerExceptionResolver;
import org.springframework.web.servlet.config.annotation.*;

import java.util.List;
 
@Configuration
public class SpringMvcConfig extends  WebMvcConfigurerAdapter {

    @Override
    public void configurePathMatch(PathMatchConfigurer configurer) {

    }

    @Override
    public void configureContentNegotiation(ContentNegotiationConfigurer configurer) {

    }

    @Override
    public void configureAsyncSupport(AsyncSupportConfigurer configurer) {

    }

    @Override
    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {

    }

    @Override
    public void addFormatters(FormatterRegistry registry) {

    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {

    }

    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {

    }

    @Override
    public void addCorsMappings(CorsRegistry registry) {

    }

    @Override
    public void addViewControllers(ViewControllerRegistry registry) {

    }

    @Override
    public void configureViewResolvers(ViewResolverRegistry registry) {

    }

    @Override
    public void addArgumentResolvers(List<HandlerMethodArgumentResolver> resolvers) {

    }

    @Override
    public void addReturnValueHandlers(List<HandlerMethodReturnValueHandler> handlers) {

    }

    @Override
    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {

    }

    @Override
    public void extendMessageConverters(List<HttpMessageConverter<?>> converters) {

    }

    @Override
    public void configureHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {

    }

    @Override
    public void extendHandlerExceptionResolvers(List<HandlerExceptionResolver> resolvers) {

    }

}