net abp core的appservice中访问httpcontext对象

private readonly IHttpContextAccessor _httpContext;/// <summary>
/// Initializes a new instance of the <see cref="FileAppService"/> class.
/// File构造方法
/// </summary>
/// <param name="cacheManager">缓存服务</param>
/// <param name="uR01DomainService">用户领域服务</param>
/// <param name="httpContext">context</param>
/// <param name="gK03Repository">用户上传的资源文件仓储接口</param>
public FileAppService(
ICacheManager cacheManager,
IUR01DomainService uR01DomainService,
IHttpContextAccessor httpContext,
IGK03Repository gK03Repository
)
{
this._cacheManager = cacheManager;
this._uR01DomainService = uR01DomainService;
this._httpContext = httpContext;
this._gK03Repository = gK03Repository;
}