完善readme

README.md

 #Guns
 #Guns
-极简代码设计，容易上手的后台管理系统！拿来即用！整合主流的springmvc + mybatis-plus + beetl！
+通用后台管理系统！代码设计简洁，清晰，拿来即用！整合主流的springmvc + mybatis-plus + beetl！
 
 
 ##功能简介
 ##功能简介
 1. 用户管理
 1. 用户管理
@@ -123,6 +123,201 @@ public class DataSourceConfig implements EnvironmentAware {
 }
 }
 ```
 ```
 
 
+##零web.xml配置
+```
+public class WebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
+
+    // spring应用上下文
+    @Override
+    protected Class<?>[] getRootConfigClasses() {
+        return new Class[]{RootSpringConfig.class};
+    }
+
+    // springmvc 上下文
+    @Override
+    protected Class<?>[] getServletConfigClasses() {
+        return new Class[]{SpringMvcConfig.class};
+    }
+
+    // 将DispatcherServlet映射到"/"
+    @Override
+    protected String[] getServletMappings() {
+        return new String[]{"/"};
+    }
+
+    // 通过重载这个方法可以对DispatcherServlt进行额外的配置
+    @Override
+    protected void customizeRegistration(Dynamic registration) {
+        // 上传文件路径的配置
+        registration.setMultipartConfig(new MultipartConfigElement("e:/tmp"));
+    }
+
+    // 这里注册的Filter只能过滤DispatherServlet
+    @Override
+    protected Filter[] getServletFilters() {
+        return new Filter[]{};
+    }
+
+    @Override
+    public void onStartup(ServletContext servletContext) throws ServletException {
+
+//		 Apache Shiro
+        FilterRegistration.Dynamic shiroFilter = servletContext.addFilter("shiroFilter", new DelegatingFilterProxy());
+        shiroFilter.setInitParameter("targetFilterLifecycle", "true");
+        shiroFilter.addMappingForUrlPatterns(null, false, "/*");
+
+        // Encoding Filter
+        FilterRegistration.Dynamic encodingFilter = servletContext.addFilter("encodingFilter",
+                new CharacterEncodingFilter());
+        encodingFilter.setInitParameter("encoding", "UTF-8");
+        encodingFilter.setInitParameter("forceEncoding", "true");
+        encodingFilter.addMappingForUrlPatterns(null, false, "/*");
+
+        // 用来非Controller层获取HttpServletRequest
+        servletContext.addListener(RequestContextListener.class);
+        servletContext.addListener(ConfigListener.class);
+
+        //防止xss攻击的filter
+        FilterRegistration.Dynamic xssFilter = servletContext.addFilter("xssSqlFilter",
+                new XssFilter());
+        xssFilter.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST), false, "/*");
+
+        super.onStartup(servletContext);
+    }
+
+    /**
+     * 添加其他servlet
+     *
+     * @param servletContext
+     */
+    @Override
+    protected void registerDispatcherServlet(ServletContext servletContext) {
+        super.registerDispatcherServlet(servletContext);
+        try {
+            ServletRegistration.Dynamic dynamic = servletContext.addServlet("DruidStatView", StatViewServlet.class);
+            dynamic.addMapping("/druid/*");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}
+```
+
+###springmvc配置
+```
+@Configuration
+@EnableWebMvc
+@ComponentScan(basePackages = {"com.stylefeng.guns.**.controller", "com.stylefeng.guns.common.controller"})
+@EnableAspectJAutoProxy
+@Import({ControllerAopConfig.class})
+public class SpringMvcConfig extends WebMvcConfigurerAdapter {
+
+    // beetl的配置
+    @Bean(initMethod = "init")
+    public BeetlConfiguration beetlConfiguration() {
+        BeetlConfiguration beetlConfiguration = new BeetlConfiguration();
+        beetlConfiguration.setConfigFileResource(new ClassPathResource("beetl.properties"));
+        return beetlConfiguration;
+    }
+
+    // beetl的视图解析器
+    @Bean
+    public BeetlSpringViewResolver beetlViewResolver() {
+        BeetlSpringViewResolver beetlSpringViewResolver = new BeetlSpringViewResolver();
+        beetlSpringViewResolver.setConfig(beetlConfiguration());
+        beetlSpringViewResolver.setContentType("text/html;charset=UTF-8");
+        beetlSpringViewResolver.setOrder(0);
+        return beetlSpringViewResolver;
+    }
+
+    // 配置静态资源的处理,对静态资源的请求转发到servlet容器中默认的servlet上(对静态资源的请求不做处理)
+    @Override
+    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
+        configurer.enable();
+    }
+
+    // 文件上传用的resolver
+    @Bean
+    public MultipartResolver multipartResolver() {
+        return new StandardServletMultipartResolver();
+    }
+
+    // 校验器的配置
+    @Bean
+    public LocalValidatorFactoryBean validator(ReloadableResourceBundleMessageSource messageSource) {
+        LocalValidatorFactoryBean localValidatorFactoryBean = new LocalValidatorFactoryBean();
+        localValidatorFactoryBean.setProviderClass(HibernateValidator.class);
+        localValidatorFactoryBean.setValidationMessageSource(messageSource);
+        return localValidatorFactoryBean;
+    }
+
+    // 国际化消息资源文件配置(本系统中主要用于显示/错误消息定制)
+    @Bean
+    public ReloadableResourceBundleMessageSource messageSource() {
+        ReloadableResourceBundleMessageSource messageSource = new ReloadableResourceBundleMessageSource();
+        messageSource.setBasenames("classpath:org/hibernate/validator/ValidationMessages");
+        messageSource.setUseCodeAsDefaultMessage(false);
+        messageSource.setDefaultEncoding("UTF-8");
+        messageSource.setCacheSeconds(60);
+        return messageSource;
+    }
+
+    // 配置全局的验证器实例
+    @Override
+    public Validator getValidator() {
+        return this.validator(messageSource());
+    }
+
+    // 配置spring mvc的拦截器
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+
+    }
+
+    // messageConverter
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        converters.add(byteMsgConverter());
+        converters.add(stringHttpMessageConverter());
+        converters.add(fastJsonHttpMessageConverter());
+        super.configureMessageConverters(converters);
+    }
+
+    @Bean
+    public ByteArrayHttpMessageConverter byteMsgConverter() {
+        return new ByteArrayHttpMessageConverter();
+    }
+
+    @Bean
+    public StringHttpMessageConverter stringHttpMessageConverter() {
+        StringHttpMessageConverter stringHttpMessageConverter = new StringHttpMessageConverter(
+                Charset.forName("UTF-8"));
+        List<MediaType> list = new ArrayList<MediaType>();
+        list.add(MediaType.TEXT_PLAIN);
+        stringHttpMessageConverter.setSupportedMediaTypes(list);
+        return stringHttpMessageConverter;
+    }
+
+    @Bean
+    public FastJsonHttpMessageConverter4 fastJsonHttpMessageConverter() {
+        FastJsonHttpMessageConverter4 convert = new FastJsonHttpMessageConverter4();
+        List<MediaType> list = new ArrayList<MediaType>();
+        list.add(MediaType.TEXT_HTML);
+        list.add(MediaType.APPLICATION_JSON_UTF8);
+        convert.setSupportedMediaTypes(list);
+        FastJsonConfig fastJsonConfig = new FastJsonConfig();
+        fastJsonConfig.setFeatures(Feature.AllowArbitraryCommas, Feature.AllowUnQuotedFieldNames,
+                Feature.DisableCircularReferenceDetect);
+        fastJsonConfig.setSerializerFeatures(SerializerFeature.WriteMapNullValue,
+                SerializerFeature.WriteNullStringAsEmpty);
+        fastJsonConfig.setDateFormat("yyyy-MM-dd HH:mm:ss");
+        convert.setFastJsonConfig(fastJsonConfig);
+        return convert;
+    }
+
+}
+```
+
 
 
 ##效果图
 ##效果图
 ![输入图片说明](https://git.oschina.net/uploads/images/2017/0429/233329_a0c40981_551203.png "在这里输入图片标题")
 ![输入图片说明](https://git.oschina.net/uploads/images/2017/0429/233329_a0c40981_551203.png "在这里输入图片标题")