mta-service-sms/src/main/java/com/llisoft/sms/config/SpringMvcConfig.java

package com.llisoft.sms.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * 配置spring mvc
 * @author YangJie [2018年12月25日]
 */
@Configuration
public class SpringMvcConfig implements WebMvcConfigurer {
	
	@Override // 默认首页
	public void addViewControllers(ViewControllerRegistry registry) {
		registry.addRedirectViewController("/", "/swagger-ui.html");
	}

	@Override // 静态资源访问
	public void addResourceHandlers(ResourceHandlerRegistry registry) {
		// 此处手动配置swagger静态资源映射关系，是由于application.yml中配置了spring.resources.addMappings: false，不使用springboot的默认静态资源配置
		// 目的是让spingmvc遇到401或404等错误时可以直接把异常抛出而不重定向到/error返回页面，这样所有的异常都会在@ControllerAdvice中统一处理
		// 但这样导致swagger静态资源无法访问，so，需要手动配置之
		registry.addResourceHandler("swagger-ui.html").addResourceLocations("classpath:/META-INF/resources/");
		registry.addResourceHandler("/webjars/**").addResourceLocations("classpath:/META-INF/resources/webjars/");
		WebMvcConfigurer.super.addResourceHandlers(registry);
	}
	
}