Solve JSP post and request _jsp programming by filter (filters) in Chinese garbled problem

Source: Internet
Author: User

JSP code:

Import javax.servlet.*;

Import javax.servlet.http.*;  public class Charsetfilter implements Filter {public void Destroy () {} public void Dofilter (ServletRequest Request, servletresponse response, Filterchain chain) {try {httpservletrequest HttpRequest = (httpserv
      letrequest) Request;
      String method = Httprequest.getmethod (). toLowerCase ();
      if (Method.equals ("POST")) {//If it is post, that is, form method, directly set CharSet can request.setcharacterencoding ("UTF-8");
        else if (method.equals ("get")) {//If the Get method request.setcharacterencoding ("UTF-8"); Request = new Httpservletrequestwrapper ((httpservletrequest) request) {public String getparameter (Str ing str) {try {return new String (Super.getparameter (str). GetBytes ("Iso-8
            859-1 ")," GBK ");
            catch (Exception e) {return null;
        }  }
    Chain.dofilter (request, response); catch (Exception e) {}} public void init (Filterconfig filterconfig) {}}

Filter configuration:

    <filter-class>CharsetFilter< /filter-class>
    <filter-name>charfilter</ filter-name>
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