filter 필터 &한글처리

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package config;

 

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.annotation.WebFilter;

 

@WebFilter("/*")

public class EncodingFilter implements Filter {

 

    private String charset = "utf-8";

    

    //서버가 중지 될때 작동

    public void destroy() {

 

        System.out.println("필터 종료");

    }

 

    // 요청이 들어왔을때 거쳐가는 코드

    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)

            throws IOException, ServletException {

 

        // 선처리할 코드

        request.setCharacterEncoding(charset);

 

        chain.doFilter(request, response);

    }

 

    // 웹서버가 실행될때 자동으로필터를 초기화 시킴

    public void init(FilterConfig fConfig) throws ServletException {

 

        System.out.println("필터가 초기화 되었습니다.");

 

    }

 

}