tourist/src/main/java/com/yingying/tourist/config/WebMvcConfig.java

package com.yingying.tourist.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import com.yingying.tourist.interceptor.WeChatInterceptor;

@Configuration
public class WebMvcConfig extends WebMvcConfigurerAdapter {
	
	@Autowired
	private WeChatInterceptor weChatInterceptor;

    @Bean
    public FilterRegistrationBean corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration config = new CorsConfiguration();
        config.addAllowedOrigin("*");
        config.setAllowCredentials(true);
        config.addAllowedHeader("*");
        config.addAllowedMethod("*");
        config.addExposedHeader("x-auth-token");
        source.registerCorsConfiguration("/**", config);
        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
        bean.setOrder(0);
        return bean;
    }
    
    
    @Override
	public void addInterceptors(InterceptorRegistry registry) {
		registry.addInterceptor(weChatInterceptor).addPathPatterns("/**");
		super.addInterceptors(registry);
	}

}