content: package com.zyh432.server.common.utils;
  
  import lombok.AllArgsConstructor;
  import lombok.Getter;
  
  import javax.servlet.http.HttpServletResponse;
  
  /**
   * Http工具类
   */
  public class HttpUtil {
  
      /**
       * 添加跨域的响应头
       *
       * @param response
       */
      public static void addCorsResponseHeaders(HttpServletResponse response) {
          for (CorsConfigEnum corsConfigEnum : CorsConfigEnum.values()) {
              response.setHeader(corsConfigEnum.getKey(), corsConfigEnum.getValue());
          }
      }
  
      /**
       * 跨域设置枚举类
       */
      @AllArgsConstructor
      @Getter
      public enum CorsConfigEnum {
          /**
           * 允许所有远程访问
           */
          CORS_ORIGIN("Access-Control-Allow-Origin", "*"),
          /**
           * 允许认证
           */
          CORS_CREDENTIALS("Access-Control-Allow-Credentials", "true"),
          /**
           * 允许远程调用的请求类型
           */
          CORS_METHODS("Access-Control-Allow-Methods", "POST, GET, PATCH, DELETE, PUT"),
          /**
           * 指定本次预检请求的有效期，单位是秒
           */
          CORS_MAX_AGE("Access-Control-Max-Age", "3600"),
          /**
           * 允许所有请求头
           */
          CORS_HEADERS("Access-Control-Allow-Headers", "*");
  
          private String key;
          private String value;
  
      }
  
  }