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1.3中文过滤器 ●doFilter方法 HttpServletRequest req =(HttpServletRequest) request; if("GET".equals(req.getMethod())){ req new EncodingWrapper(req,ENCODING); } else req.setCharacterEncoding(ENCODING); chain.doFilter(req,response);1.3 中文过滤器 ⚫ doFilter方法 HttpServletRequest req = (HttpServletRequest) request; if("GET".equals(req.getMethod())) { req = new EncodingWrapper(req, ENCODING); } else { req.setCharacterEncoding(ENCODING); } chain.doFilter(req, response);