FilterテクノロジーによるPOST要求の符号化
2004 ワード
Webでxmlでは、必ずこのFilterを一番前に置くことを覚えておいてください
<filter>
<display-name>EncodingFilter</display-name>
<filter-name>EncodingFilter</filter-name>
<filter-class>bruce.zhao.cms.backend.view.EncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>EncodingFilter</filter-name>
<url-pattern>/admin/*</url-pattern>
</filter-mapping>
/**
* Servlet Filter implementation class EncodingFilter
*/
public class EncodingFilter implements Filter {
private String encoding;
/**
* Default constructor.
*/
public EncodingFilter() {
// TODO Auto-generated constructor stub
}
/**
* @see Filter#destroy()
*/
public void destroy() {
// TODO Auto-generated method stub
}
/**
* @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain)
*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
// TODO Auto-generated method stub
// place your code here
HttpServletRequest httpServletRequest=(HttpServletRequest)request;
httpServletRequest.setCharacterEncoding(encoding);
// pass the request along the filter chain
chain.doFilter(request, response);
}
/**
* @see Filter#init(FilterConfig)
*/
public void init(FilterConfig fConfig) throws ServletException {
// TODO Auto-generated method stub
encoding=fConfig.getInitParameter("encoding");
}
}