/// <summary>
/// 添加用户
/// </summary>
/// <param name="userManage"></param>
static void AddUser(IUserManage userManage)
{
var user = new User {
ID = DateTime.Now.Millisecond, Name = "李四", Age = 123
};
var result = userManage.AddUser(user).Result;
Console.WriteLine(result);
}