Spring Boot 加Filter(过滤器)


import org.springframework.context.annotation.Configuration;

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;

@Configuration
public class FilterTest implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest httpServletRequest = (HttpServletRequest) servletRequest;
        HttpServletResponse httpServletResponse = (HttpServletResponse) servletResponse;
        String requestPath = httpServletRequest.getServletPath();
        if(!requestPath.endsWith("Test.jsp") && !requestPath.endsWith("error.jsp"))
        {
            httpServletResponse.sendRedirect("error.jsp");
        }
        else
        {
            filterChain.doFilter(httpServletRequest, httpServletResponse);
        }
    }

    @Override
    public void destroy() {

    }
}
优先级比拦截器高

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