public static void AddRHIdentityServer(this IServiceCollection services)
 {
     services.AddIdentityServer()                                      //注册服务
     .AddDeveloperSigningCredential()
     .AddInMemoryApiResources(ApiConfig.GetResources())                //配置类定义的授权范围
     .AddInMemoryClients(ApiConfig.GetClients())                       //配置类定义的授权客户端
     .AddInMemoryApiScopes(ApiConfig.ApiScopes)                        //这个ApiScopes需要新加上,否则访问提示invalid_scope
     .AddInMemoryIdentityResources(ApiConfig.GetIds())
     .AddResourceOwnerValidator <ResourceOwnerPasswordValidator>();    //注入自定义登录验证
 }