setcharacterencoding.java

中学教学管理系统

package 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;

public class SetCharacterEncoding implements Filter {
	private static  String  Encoding ;
	public void destroy() {
		// TODO Auto-generated method stub
		System.out.println("---------exit  filter");
	}

	public void doFilter(ServletRequest arg0, ServletResponse arg1,
			FilterChain arg2) throws IOException, ServletException {
		arg0.setCharacterEncoding(Encoding);
		System.out.println("----------"+Encoding);
        arg2.doFilter(arg0, arg1);
	}

	public void init(FilterConfig arg0) throws ServletException {
		Encoding = arg0.getInitParameter("encoding");
		System.out.println("***************init filter");

	}

}