한글문제 UTF-8 필터처리

XML설정

web.xml을 이용할 때의 UTF-8 필터

<filter>
      <filter-name>encoding</filter-name>
      <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
      <init-param>
              <param-name>encoding</param-name>
              <param-value>UTF-8</param-value>
      </init-param>
</filter>

<filter-mapping>
      <filter-name>encoding</filter-name>
      <servlet-name>appServlet</servlet-name>
</filter-mapping>

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JAVA 설정

getServletFilters 재정의 

패키지 javax.servlet.Filter

@Override
protected Filter[] getServletFilters() {
     CharacterEncodingFilter characterEncodingFilter = new CharacterEncodingFilter();
     characterEncodingFilter.setEncoding("UTF-8");
     characterEncodingFilter.setForceEncoding(true);

     return new Filter[] { characterEncodingFilter };
}