下面选项,能解决POST提交方式,参数的中文乱码问题的是( )
A. public void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException { response.setContentType("text/html;charset=UTF-8"); chain.doFilter(request, response); }
B. public void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException { request.setCharacterEncoding("UTF-8"); chain.doFilter(request, response); }
C. public void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException { response.setCharacterEncoding("UTF-8"); chain.doFilter(request, response); }
D. public void doFilter(ServletRequest request, ServletResponse response,FilterChain chain) throws IOException, ServletException { request.setCharacterEncoding("UTF-8"); response.setContentType("text/html;charset=UTF-8"); chain.doFilter(request, response); }
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下面选项中,与过滤器有关的接口是( )
A. javax.servlet.Filter
B. javax.servlet.FilterChain
C. javax.servlet.FilterConfig
D. javax.servlet.ServletConfig
已知,在web.xml文件中元素的配置信息如下:RequestFiltercn.itcast.RequestFilter以下选项中,能够使RequestFilter为应用根目录下的out.jsp提供过滤的配置是( )
A. RequestFilter/out.jsp
B. cn.itcast.RequestFilter/out.jsp
C. RequestFilter/out
D. RequestFilter/*
过滤器配置中,用于匹配用户请求的URL的元素是____。
Web服务器在卸载Filter对象之前,将被调用的方法是____。
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