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  • springboot FilterRegistrationBean 拦截器的使用

    1.创建一个filter

    package com.ruoyi.weixin.user.interator;
    
    import com.ruoyi.common.utils.SecurityUtils;
    import com.ruoyi.common.utils.StringUtils;
    import com.ruoyi.weixin.user.domain.vo.UserWeixinInfo;
    import com.ruoyi.weixin.user.service.impl.WxTokenService;
    import org.springframework.beans.factory.annotation.Autowired;
    
    import javax.servlet.*;
    import javax.servlet.http.HttpServletRequest;
    import java.io.IOException;
    
    public class MyWeiXinInterceptor implements Filter {
    
        @Autowired
        private WxTokenService wxtokenService;
    
    
        @Override
        public void init(FilterConfig filterConfig) throws ServletException
        {
    
        }
    
        @Override
        public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException
        {
            UserWeixinInfo info = wxtokenService.getUserWeixinInfo((HttpServletRequest)request);
            if (StringUtils.isNotNull(info) && StringUtils.isNull(SecurityUtils.getAuthentication()))
            {
    
                wxtokenService.verifyToken(info);
                chain.doFilter(request, response);
            }
            return;
        }
    
        @Override
        public void destroy()
        {
    
        }
    
    }

    2.配置filter

    package com.ruoyi.weixin.user.config;
    
    import com.ruoyi.common.filter.RepeatableFilter;
    import com.ruoyi.weixin.user.interator.MyWeiXinInterceptor;
    import org.springframework.boot.web.servlet.FilterRegistrationBean;
    import org.springframework.context.annotation.Bean;
    import org.springframework.context.annotation.Configuration;
    
    @Configuration
    public class WeiXinFilterConfig {
    
        @SuppressWarnings({ "rawtypes", "unchecked" })
        @Bean
        public FilterRegistrationBean weixinUrlFilterRegistration()
        {
            FilterRegistrationBean registration = new FilterRegistrationBean();
            registration.setFilter(new MyWeiXinInterceptor());  //要添加的拦截器
            registration.addUrlPatterns("/**/lvju/*");  //拦截路径
            registration.setName("weixinUrlFilter");  //设置拦截器名称
            registration.setOrder(FilterRegistrationBean.LOWEST_PRECEDENCE); //排序
            return registration;
        }
      
    //如果要添加多个拦截器,把上面的方法改一下就行
    @SuppressWarnings({ "rawtypes", "unchecked" })
        @Bean
        public FilterRegistrationBean2 weixinUrlFilterRegistration()
        {
            FilterRegistrationBean registration = new FilterRegistrationBean();
            registration.setFilter(new MyWeiXinInterceptor2());  //要添加的拦截器
            registration.addUrlPatterns("/**/lvju/*");  //拦截路径
            registration.setName("weixinUrlFilter2");  //设置拦截器名称
            registration.setOrder(FilterRegistrationBean.LOWEST_PRECEDENCE); //排序
            return registration;
        }

    }
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  • 原文地址:https://www.cnblogs.com/jthr/p/14230542.html
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