// 原作者漏了这句，Token缓存（此处使用内存缓存）
services.AddSingleton<IDistributedCache, MemoryDistributedCache>();

services.AddTransient<TokenApi>();
services.AddSingleton<TokenManager>();
services.AddTransient<AttendanceApi>();
services.AddSingleton<StaffApi>();
services.AddTransient<DailyApi>();
services.AddTransient<DepartmentApi>();
services.AddTransient<NoticeApi>();
// 省略其他Api，请自行挖掘

private readonly AttendanceApi _attendanceApi;
private readonly StaffApi _staffApi;

public ExampleBackgroundServices(AttendanceApi attendanceApi, StaffApi staffApi)
{
    _attendanceApi = attendanceApi;
    _staffApi = staffApi;
}

//获取排班记录
var userList = await GetCheduleUserList();
if (userList == null || userList.Count == 0)
{
    _logger.LogWarning("未能获取到考勤人员！");
    return;
}