package?heima.commons;


import?javax.servlet.*;
import?javax.servlet.annotation.WebFilter;
import?javax.servlet.http.Cookie;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?java.io.IOException;

/**
?*?@author?Csir
?*?@version?v1.0
?*?@date?2019/2/19?21:10
?*?@description?TODO
?*?解決全站post請(qǐng)求亂碼和響應(yīng)亂碼問題
?**/
@WebFilter（“/*“）
public?class?CharchaterFilter?implements?Filter?{
????public?void?init（FilterConfig?config）?throws?ServletException?{

????}

????public?void?doFilter（ServletRequest?req?ServletResponse?resp?FilterChain?filterchain）?throws?ServletException?IOException?{
????????//向下轉(zhuǎn)型為子接口
????????HttpServletRequest?request?=?（HttpServletRequest）?req;
????????HttpServletResponse?response?=?（HttpServletResponse