windows 七 PowerShell 笔记
日期：2014-05-17 浏览次数：20697 次
windows 7 PowerShell 笔记
对 powershell 做下总结
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启动 powershell
#字符串操作
对象操作 "hello".Length
#进程操作
PS C:\> notepad
PS C:\> $process=get-process notepad
PS C:\> $process.Kill()
#默认对象操作
PS C:\> 40GB/650MB
63.0153846153846
#时间操作
PS C:\> [DateTime]"2009-12-5" - [DateTime]::Now
Days : -58
Hours : -14
Minutes : -53
Seconds : -58
Milliseconds : -510
Ticks : -50648385105314
TotalDays : -58.6208160941134
TotalHours : -1406.89958625872
TotalMinutes : -84413.9751755233
TotalSeconds : -5064838.5105314
TotalMilliseconds : -5064838510.5314
#时间对象操作
PS C:\> $result = [DateTime]"2009-12-5" - [DateTime]::Now
PS C:\> $result.TotalDays
-58.6213450248299
#查询今天星期几
PS C:\Users\vv> $date=Get-Date
PS C:\Users\vv> $date.DayOfWeek
Monday
#查找powershell命令中包含单词process的命令
PS C:\> Get-Command *process*
CommandType Name Definition
----------- ---- ----------
Application api-ms-win-core-processenvir... C:\Windows\system32\api-ms-w...
Application api-ms-win-core-processthrea... C:\Windows\system32\api-ms-w...
Cmdlet Debug-Process Debug-Process [-Name] <Strin...
Cmdlet Get-Process Get-Process [[-Name] <String...
Application microsoft-windows-kernel-pro... C:\Windows\system32\microsof...
Application qprocess.exe C:\Windows\system32\qprocess...
Cmdlet Start-Process Start-Process [-FilePath] <S...
Cmdlet Stop-Process Stop-Process [-Id] <Int32[]>...
Cmdlet Wait-Process Wait-Process [-Name] <String...
#检索donet中对象的属性和方法
PS C:\> "aaa" | Get-Member
TypeName: System.String
Name MemberType Definition
---- ---------- ----------
Clone Method System.Object Clone()
CompareTo Method int CompareTo(System.Object value), i...
Contains Method bool Contains(string value)
CopyTo Method System.Void CopyTo(int sourceIndex, c...
EndsWith Method bool EndsWith(string value), bool End...
Equals Method bool Equals(System.Object obj), bool ...
GetEnumerator Method System.CharEnumerator GetEnumerator()
GetHashCode Method int GetHashCode()
GetType Method type GetType()
GetTypeCode Method System.TypeCode GetTypeCode()
IndexOf Method int IndexOf(char value), int IndexOf(...
IndexOfAny Method int IndexOfAny(char[] anyOf), int Ind...
Insert Method string Insert(int startIndex, string ...
IsNormalized Method bool IsNormalized(), bool IsNormalize...
LastIndexOf Method int LastIndexOf(char value), int Last...
LastIndexOfAny Method int LastIndexOfAny(char[] anyOf), int...
...
#统计所有正在运行的进程的句柄数
PS C:\> $handleCount=0
PS C:\> foreach($process in Get-process) { $handleCount +=$process.Handles }
PS C:\> $handleCount
23318
#直接调用donet对象，获取网页内容
PS C:\> $webClient = New-Object System.Net.WebClient
PS C:\> $content = $webClient.DownloadString("http://www.baidu.com")
PS C:\> $content.Substring(0,1000)
<html><head><meta http-equiv=Content-Type content="text/html;charset=gb2312"><t
itle>百度一下，你就知道 </title><style>body{margin:4px 0}p{margin:0;paddin
g:0}img{border:0}td,p,#u{font-size:12px}#b,#u,#l td,a{font-family:arial}#kw{fon
t:16px Verdana;height:1.78em;padding-top:2px}#b{height:30px;padding-top:4px}#b,
#b a{colo
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