关于java filter

显示全部楼层 · 2009-4-12 21:45:13

package ch02;
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 SevletFilte implements Filter {

protected String encounding="";

public void destroy() {
// TODO Auto-generated method stub
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest res=(HttpServletRequest)request;
HttpServletResponse spon=(HttpServletResponse)response;

res.setCharacterEncoding(encounding);
spon.setContentType(encounding);

chain.doFilter(res, spon);
}
public void init(FilterConfig config) throws ServletException {
// TODO Auto-generated method stub
encounding=config.getInitParameter("encound");
}
}
这个有问题吗？

千问 · 2009-4-12 21:45:13

没有问题，是正确的。...