Powershell 默认支持的.NET类型如下:
[order],
[pscustomobject],
[array],
[bool],
[byte],
[char],
[datetime],
[decimal],
[double],
[guid],
[hashtable],
[int16],
[int32],
[int],
[int64],
[long],
[nullable],
[psobject],
[regex],
[sbyte].
[scriptblock],
[single],
[float],
[string],
[switch],
[timespan],
[type],
[uint16],
[uint32],
[uint64],
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Powershell变量的类型
原文：http://www.cnblogs.com/IvanChen/p/4488519.html
