问题~the method setCharacterEncoding(string) is undefined for the type HttpServletResponse
package com.shop.filter;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class CharFilter implements Filter{
public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
}
public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2) throws IOException, ServletException {
HttpServletRequest hr=(HttpServletRequest)arg0;
HttpServletResponse hrs=(HttpServletResponse)arg1;
hr.setCharacterEncoding("gb2312");
hrs.setCharacterEncoding("gb2312");
arg2.doFilter(arg0,arg1);
}
public void destroy() {
// TODO Auto-generated method stub
}
}