增加 spring websocket 用例

spring/spring-websocket-annotation/src/main/java/com/heibaiying/webconfig/DispatcherServletInitializer.java

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+package com.heibaiying.webconfig;
+
+import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
+
+/**
+ * @author : 罗祥
+ * @description : 等价于 web.xml 中配置前端控制器
+ * @date :create in 2018/12/27
+ */
+public class DispatcherServletInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
+
+    protected Class<?>[] getRootConfigClasses() {
+        return new Class[0];
+    }
+
+    protected Class<?>[] getServletConfigClasses() {
+        return new Class[]{ServletConfig.class};
+    }
+
+    protected String[] getServletMappings() {
+        return new String[]{"/"};
+    }
+}

spring/spring-websocket-annotation/src/main/java/com/heibaiying/webconfig/ServletConfig.java

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+package com.heibaiying.webconfig;
+
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.ViewResolver;
+import org.springframework.web.servlet.config.annotation.DefaultServletHandlerConfigurer;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+import org.springframework.web.servlet.view.InternalResourceViewResolver;
+
+/**
+ * @author : 罗祥
+ * @description : 主配置类
+ * @date :create in 2018/12/27
+ */
+@Configuration
+@EnableWebMvc
+@ComponentScan(basePackages = {"com.heibaiying.*"})
+public class ServletConfig implements WebMvcConfigurer {
+
+
+    /**
+     * 配置视图解析器
+     */
+    @Bean
+    public ViewResolver viewResolver() {
+        InternalResourceViewResolver internalResourceViewResolver = new InternalResourceViewResolver();
+        internalResourceViewResolver.setPrefix("/WEB-INF/jsp/");
+        internalResourceViewResolver.setSuffix(".jsp");
+        internalResourceViewResolver.setExposeContextBeansAsAttributes(true);
+        return internalResourceViewResolver;
+    }
+
+    /**
+     * 配置静态资源处理器
+     */
+    public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
+        configurer.enable();
+    }
+
+}

spring/spring-websocket-annotation/src/main/java/com/heibaiying/webconfig/characterEncodingFilter.java

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+package com.heibaiying.webconfig;
+
+import org.springframework.web.filter.CharacterEncodingFilter;
+
+import javax.servlet.annotation.WebFilter;
+import javax.servlet.annotation.WebInitParam;
+
+/**
+ * @author : 罗祥
+ * @description : 编码过滤器 防止乱码
+ * @date :create in 2018/12/27
+ */
+@WebFilter(filterName = "characterEncodingFilter", urlPatterns = "/*",
+        initParams = {
+                @WebInitParam(name = "encoding", value = "UTF-8"),
+                @WebInitParam(name = "forceEncoding", value = "true")
+        }
+)
+public class characterEncodingFilter extends CharacterEncodingFilter {
+
+}