SteamTools/System.Application.SteamTools.Client/ImageUrlHelper.cs

using System.Application.Services.CloudService;

namespace System.Application
{
    public static class ImageUrlHelper
    {
        static string ApiBaseUrl
        {
            get
            {
                var client = DI.Get<CloudServiceClientBase>();
                return client.ApiBaseUrl;
            }
        }

        /// <summary>
        /// 获取图片的APIURL(相对路径)
        /// </summary>
        const string GetImageApiUrl = "{1}/api/images/{0}";

        /// <summary>
        /// 根据图片Id获取APIURL(绝对路径)
        /// </summary>
        /// <param name="imageId"></param>
        /// <returns></returns>
        public static string GetImageApiUrlById(Guid imageId) => string.Format(GetImageApiUrl, imageId, ApiBaseUrl);
    }
}