小编bss*_*y78的帖子

我正在尝试按照官方文档（https://chocolatey.org/install）安装chocolatey，这就是我正在做的：

1-I am opening a cmd.exe running as administrator
2-I am running the following command : powershell and then switch into powershell mode
3-I am running the following command : $PSVersionTable.PSVersion and then get the following result : major:5 minor:1 build:16299 revision:785
4-I am running the following command : Get-ExecutionPolicy and then get the following result : RemoteSigned
5-I am running the following command : Set-ExecutionPolicy Bypass -Scope Process -Force; iex ((New-Object System.Net.WebClient).DownloadString('http
s://chocolatey.org/install.ps1')) and get the following …

我有一个代码，我在其中计算日期之间的一些间隔，为此，我将定义的间隔时间添加到一个日期，为此，我看到了 2 种方法，但我不明白其中的区别，对我来说它们是一样的：

var timespan = new TimeSpan(0, 0, 5);
var d1 = new DateTime(2010, 1, 1, 8, 0, 15);

var newDateWithTimeSpan = d1.Add(timespan);
var newDateWithSeconds = d1.AddSeconds(5);

Console.WriteLine(newDateWithTimeSpan);
Console.WriteLine(newDateWithSeconds);