spring mvc异常简单处理

package org.exam.config; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.Configuration; import org.springframework.http.converter.HttpMessageConverter; import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter; import org.springframework.web.multipart.MultipartResolver; import org.springframework.web.multipart.commons.CommonsMultipartResolver; import org.springframework.web.servlet.config.annotation.*; import org.springframework.web.servlet.handler.SimpleMappingExceptionResolver; import org.springframework.web.servlet.view.InternalResourceViewResolver; import java.util.List; import java.util.Properties; @Configuration @ComponentScan(basePackages={"org.exam.web"}) @EnableWebMvc public class MvcConfig extends WebMvcConfigurerAdapter{ @Override public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) { configurer.enable(); } @Override public void configureMessageConverters(List<HttpMessageConverter<?>> converters) { converters.add(new MappingJackson2HttpMessageConverter()); } @Override public void addResourceHandlers(ResourceHandlerRegistry registry) { registry.addResourceHandler("/static/**").addResourceLocations("/static/"); } @Bean public InternalResourceViewResolver internalResourceViewResolver() { InternalResourceViewResolver resolver = new InternalResourceViewResolver(); resolver.setPrefix("/WEB-INF/"); resolver.setSuffix(".jsp"); return resolver; } @Bean public MultipartResolver multipartResolver(){ CommonsMultipartResolver bean=new CommonsMultipartResolver(); bean.setMaxUploadSize(8388608); return bean; } }