springboot 配置允許跨域訪問

package com.hckj.iot.config.web;

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;
/**
 * @Author: fumin
 * @Description:
 * @Date: Create in 2019/8/13 14:19
 */
@Configuration
public class CorsConfig {
    private CorsConfiguration buildConfig() {
        CorsConfiguration corsConfiguration = new CorsConfiguration();
        corsConfiguration.addAllowedOrigin("*"); // 允許任何域名
        corsConfiguration.addAllowedHeader("*"); // 允許任何頭
        corsConfiguration.addAllowedMethod("*"); // 允許任何方法
        return corsConfiguration;
    }

    @Bean
    public CorsFilter corsFilter() {
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**", buildConfig()); // 註冊
        return new CorsFilter(source);
    }
}