PowerShell如何在已解析的JSON上添加内容? [英] PowerShell how to add something on parsed JSON?
问题描述
我想使用PowerShell在我解析的JSON中添加一些内容.我的代码:
I want to add something in my parsed JSON using PowerShell. My code:
function ConvertFromJson([string]$file)
{
[System.Reflection.Assembly]::LoadWithPartialName("System.Web.Extensions")
$jsoncontent = Get-Content $file
$jsonobj = New-Object System.Web.Script.Serialization.JavaScriptSerializer
$global:json = $jsonobj.DeserializeObject($jsoncontent)
}
我的JSON:
{
"BlockA": {
"BlockB": {
"name": "BlockB",
"value": "Value_B"
},
}
我想像这样制作BlockC:
I want make BlockC like this:
{
"BlockA": {
"BlockB": {
"name": "BlockB",
"value": "Value_B"
},
"BlockC": {
"name": "BlockC",
"value": "Value_C"
},
}
我尝试过
$json.BlockA.Add("BlockC", "")
和
$json.BlockA.BlockC.Add("name", "BlockC")
但不适用于该错误:
没有添加方法
there is no add method
我尽我所能(尝试添加方法,使用添加成员),但是都失败了.
I tried all of i can do (trying Add Method, use Add-Member), but all failed.
添加: PS C:\ Users \ Develop7> $ json.BlockA.BlockC |获得会员
added : PS C:\Users\Develop7> $json.BlockA.BlockC | Get-Member
TypeName: System.String
Name MemberType Definition
---- ---------- ----------
Clone Method System.Object Clone()
CompareTo Method int CompareTo(System.Object value), int CompareTo(string strB)
Contains Method bool Contains(string value)
CopyTo Method System.Void CopyTo(int sourceIndex, char[] destination, int destinationIndex,...
EndsWith Method bool EndsWith(string value), bool EndsWith(string value, System.StringCompari...
Equals Method bool Equals(System.Object obj), bool Equals(string value), bool Equals(string...
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(char value, int startIndex), int IndexOf...
IndexOfAny Method int IndexOfAny(char[] anyOf), int IndexOfAny(char[] anyOf, int startIndex), i...
Insert Method string Insert(int startIndex, string value)
IsNormalized Method bool IsNormalized(), bool IsNormalized(System.Text.NormalizationForm normaliz...
LastIndexOf Method int LastIndexOf(char value), int LastIndexOf(char value, int startIndex), int...
LastIndexOfAny Method int LastIndexOfAny(char[] anyOf), int LastIndexOfAny(char[] anyOf, int startI...
Normalize Method string Normalize(), string Normalize(System.Text.NormalizationForm normalizat...
PadLeft Method string PadLeft(int totalWidth), string PadLeft(int totalWidth, char paddingChar)
PadRight Method string PadRight(int totalWidth), string PadRight(int totalWidth, char padding...
Remove Method string Remove(int startIndex, int count), string Remove(int startIndex)
Replace Method string Replace(char oldChar, char newChar), string Replace(string oldValue, s...
Split Method string[] Split(Params char[] separator), string[] Split(char[] separator, int...
StartsWith Method bool StartsWith(string value), bool StartsWith(string value, System.StringCom...
Substring Method string Substring(int startIndex), string Substring(int startIndex, int length)
ToCharArray Method char[] ToCharArray(), char[] ToCharArray(int startIndex, int length)
ToLower Method string ToLower(), string ToLower(System.Globalization.CultureInfo culture)
ToLowerInvariant Method string ToLowerInvariant()
ToString Method string ToString(), string ToString(System.IFormatProvider provider)
ToUpper Method string ToUpper(), string ToUpper(System.Globalization.CultureInfo culture)
ToUpperInvariant Method string ToUpperInvariant()
Trim Method string Trim(Params char[] trimChars), string Trim()
TrimEnd Method string TrimEnd(Params char[] trimChars)
TrimStart Method string TrimStart(Params char[] trimChars)
Chars ParameterizedProperty char Chars(int index) {get;}
Length Property System.Int32 Length {get;}
推荐答案
如果您使用的是PowerShell 3.0/4.0,则可以使用
If you're using PowerShell 3.0/4.0 you can simplify your conversion using the ConvertFrom-Json cmdlet.
除此之外,如果您具有PS或.Net对象类型,则Add-Member cmdlet允许您添加任意属性.下面显示了如何基于Json块添加属性:
Beyond that, if you have PS or .Net Object Types, the Add-Member cmdlet allows you to add arbitrary properties. The following shows how to add a property based on a Json block:
$json = @"
{
"BlockA": {
"BlockB": {
"name": "BlockB",
"value": "Value_B"
}
}
}
"@
$blockcvalue =@"
{
"name":"BlockC",
"value":"ValueC"
}
"@
$jobj = ConvertFrom-Json -InputObject $json
$jobj.BlockA | add-member -Name "BlockC" -value (Convertfrom-Json $blockcvalue) -MemberType NoteProperty
write-host (ConvertTo-Json $jobj)
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