应用上下文初始化时候注册CharacterEncodingFilter过滤器，防止表单提交中文乱码

src/main/java/org/pqh/config/WebConfig.java

@@ -3,7 +3,8 @@ package org.pqh.config;
 import org.springframework.web.filter.CharacterEncodingFilter;
 import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
 
-import javax.servlet.Filter;
+import javax.servlet.*;
+import java.util.EnumSet;
 
 /**
  * Created by reborn on 2017/7/28.
@@ -13,12 +14,6 @@ public class WebConfig extends AbstractAnnotationConfigDispatcherServletInitiali
 
     private String encoding ="UTF-8";
 
-
-    @Override
-    protected Filter[] getServletFilters() {
-        return new Filter[]{new CharacterEncodingFilter(encoding)};
-    }
-
     @Override
     protected String[] getServletMappings() {
         return new String[]{"/"};
@@ -34,8 +29,13 @@ public class WebConfig extends AbstractAnnotationConfigDispatcherServletInitiali
         return new Class[]{SpringConfig.class};
     }
 
+    @Override
+    public void onStartup(ServletContext servletContext) throws ServletException {
+        super.onStartup(servletContext);
+        FilterRegistration.Dynamic dynamic=super.registerServletFilter(servletContext,new CharacterEncodingFilter(encoding));
+        dynamic.addMappingForUrlPatterns(EnumSet.of(DispatcherType.REQUEST),true,"/*");
 
-
+    }
 }