/**
 * 解決全站亂碼問題，處理所有的請求
 */
@WebFilter("/*")
public class CharchaterFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse rep, FilterChain filterChain) throws IOException, ServletException {
        //將父介面轉為子介面
 

        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) rep;
        //獲取請求方法
        String method = request.getMethod();
        //解決post請求中文資料亂碼問題
        if(method.equalsIgnoreCase("post")){
            request.setCharacterEncoding("utf-8"
 
);
        }
        //處理響應亂碼
        response.setContentType("text/html;charset=utf-8");
        filterChain.doFilter(request,response);
    }

    @Override
    public void destroy() {

    }
}