SpringBoot异常处理之SimpleMappingExceptionResolver

在springmvc的xml配置文件中的配置：

但是springboot没的xml配置文件的，但有对应的配置类：

@Configuration
public class MyErrorConfig {@Beanpublic SimpleMappingExceptionResolver getExBean(){SimpleMappingExceptionResolver bean = new SimpleMappingExceptionResolver();Properties mapper = new Properties();mapper.put("java.lang.NullPointerException","error");mapper.put("java.lang.ArithmeticException","error");bean.setExceptionMappings(mapper);}
}

 这个配置会默认把异常对想以exception名字注入到视图。