做香港台湾网站流量/谷歌商店安卓版下载

java字符编码的过滤器的使用实例。

import javax.servlet.*;

import java.io.IOException;

/**

* 用于设置 HTTP 请求字符编码的过滤器，通过过滤器参数encoding指明使用何种字符编码,用于处理Html Form请求参数的中文问题

*/

public class CharacterEncodingFilter implements Filter

{

protected FilterConfig filterConfig = null;

protected String encoding = “”;

public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException

{

if(encoding != null)

servletRequest.setCharacterEncoding(encoding);

filterChain.doFilter(servletRequest, servletResponse);

}

public void destroy()

{

filterConfig = null;

encoding = null;

}

public void init(FilterConfig filterConfig) throws ServletException

{

this.filterConfig = filterConfig;

this.encoding = filterConfig.getInitParameter(“encoding”);

}

}