springboot 设置CorsFilter跨域不生效的解决

/**
 * 使用CORS，用于解决ajax跨域访问问题
 */
@Configuration
public class GlobalCorsConfig {
    @Bean
    public FilterRegistrationBean corsFilter() {
        //1.添加CORS配置信息
        CorsConfiguration config = new CorsConfiguration();
        //1) 允许的域,不要写*，否则cookie就无法使用了
        //config.addAllowedOrigin("http://manage.leyou.com");
        //config.addAllowedOrigin("http://www.leyou.com");
        config.addAllowedOrigin("*");
        //2) 是否发送Cookie信息
        config.setAllowCredentials(true);
        //3) 允许的请求方式
        config.addAllowedMethod("OPTIONS");
        config.addAllowedMethod("HEAD");
        config.addAllowedMethod("GET");
        config.addAllowedMethod("PUT");
        config.addAllowedMethod("POST");
        config.addAllowedMethod("DELETE");
        config.addAllowedMethod("PATCH");
        config.setMaxAge(3600L);
        // 4）允许的头信息
        config.addAllowedHeader("*");
 
        //2.添加映射路径，我们拦截一切请求
        UrlBasedCorsConfigurationSource configSource = new UrlBasedCorsConfigurationSource();
        configSource.registerCorsConfiguration("/**", config);
 
        //3.返回新的CorsFilter.
        //return new CorsFilter(configSource);
 
        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(configSource));
        bean.setOrder(0);
        return bean;
    }
}

import com.nanase.takeshi.constants.JwtConstant;
import lombok.extern.slf4j.Slf4j;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.Ordered;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
/**
 * CorsConfig
 * 跨域请求配置
 *
 * @author 725
 * @date 2020/12/10 18:17
 */
@Slf4j
@Configuration
public class CorsConfig {
    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        // 1 设置访问源地址
        corsConfiguration.addAllowedOrigin("*");
        // 2 设置访问源请求头
        corsConfiguration.addAllowedHeader("*");
        // 3 设置访问源请求方法
        corsConfiguration.addAllowedMethod("*");
        // 4 暴露哪些头部信息
        corsConfiguration.addExposedHeader(JwtConstant.HEADER);
        return corsConfiguration;
    }
    /**
	@Bean
    public CorsFilter corsFilter() {
        log.info("跨域设置。。。。");
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        // 对接口配置跨域设置
        source.registerCorsConfiguration("/**", buildConfig());
        return new CorsFilter(source);
    }
    */
    
    @Bean
    public FilterRegistrationBean<CorsFilter> corsFilter() {
        log.info("跨域设置。。。。");
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        // 5 对接口配置跨域设置
        source.registerCorsConfiguration("/**", buildConfig());
        //有多个filter时此处设置改CorsFilter的优先执行顺序
        FilterRegistrationBean<CorsFilter> bean = new FilterRegistrationBean<>(new CorsFilter(source));
        bean.setOrder(Ordered.HIGHEST_PRECEDENCE);
        return bean;
    }
}