日期:2014-05-17  浏览次数:20729 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