问题描述
使用Powershell读取JSON层次结构(子节点数可以是任何数字)文件。 我可以为一个级别执行此操作,但对于N个循环和嵌套循环也需要相同的操作 需要在树状视图中显示结果,如果不可能的话,则以表格的方式将标题放在根表的顶部
下面是到目前为止我开发的脚本:
$Filepath = 'C:\Users\Learner\Test2.JSON'
$JsonContent=gc $Filepath | ConvertFrom-Json
$RootNodeCount=$JsonContent.psobject.Properties.name.Count
$RootNodeName=$JsonContent.psobject.Properties.name
foreach ($Name in $RootNodeName) {Echo $Name--> $JsonContent.$Name}
JSON文件
{
"foundation": {
"network": {
"resource_group_name": "rg-network-e2","name": "nonprodvnet-e2"
},"diagnostics": {
"resource_group_name": "rg-mgmt-cu","storage_account_name": "Sreacnt-e2"
},"log_analytics": {
"resource_group_name": "rg-mgmt-cu","workspace_name": "la-sap-e2"
},"recovery_vault": {
"resource_group_name": "rg-mgmt-cu","name": "rsv-sap-e2"
},"windows_domain": {
"domain_name": "dmn.local","ou_path": "CN=Computers,DC=example,DC=com","domain_user": "svc_domainjoin@dmn.local","domain_password": "Pwd01"
}
},"control_flags": {
"enable_boot_diagnostics": true,"enable_oms": false,"enable_backup": true,"windows_domain_join": false
},"deployment": {
"resource_group": {
"name": "rg-sap-501-e2","location": "eastus2"
},"tags": {
"owner": "for SAP"
},"os_account": {
"admin_username": "locadm"
},"proximity_placement_groups": {
"ppg-501": {}
},"availability_sets": {
"avset-cs-501": {
"ppg_name": "ppg-501"
},"avset-app-501": {
"ppg_name": "ppg-501"
},"avset-db-501": {
"ppg_name": "ppg-501"
}
},"load_balancers": {
"ilb-sap-501": {
"dv2ascs": {
"ip_address": "192.0.18.20","probe_port": 62000,"subnet": "app"
},"dv2-ers": {
"ip_address": "192.0.18.21","probe_port": 62102,"subnet": "app"
}
},"ilb-db-501": {
"dv2-hana": {
"ip_address": "192.0.17.12","probe_port": 62503,"subnet": "db"
}
}
},"server_groups": {
"ascs": {
"os_type": "linux","sku": "Standard_E4s_v3","availability_set": "avset-cs-501","backup_policy": "sap","ppg_name": "ppg-501","lb_refs": [
"dv2-ascs","dv2-ers"
],"os_disk_size": "30","enable_accelerated_networking": true,"hosts": {
"vcs501-01": {
"nics": [
[
"192.0.18.18"
]
]
},"vcs501-02": {
"nics": [
[
"192.0.18.19"
]
]
}
},"subnet": "app","image_details": {
"resource_id": null,"marketplace_reference": {
"publisher" : "SUSE","offer" : "sles-sap-15-sp1","sku" : "gen1","version": "latest"
}
},"disks": [
{
"name": "usrsap","disk_size": "128","number_of_disks": 1
}
]
},"apps": {
"type": "app_linux","os_type": "linux","availability_set": "avset-app-501","hosts": {
"vas501-01": {
"nics": [
[
"192.0.18.16","192.0.18.26"
]
]
},"vas501-02": {
"nics": [
[
"192.0.18.17","192.0.18.27"
]
]
}
},"offer" : "sles-15-sp1","hana": {
"os_type": "linux","sku": "Standard_E32s_v3","availability_set": "avset-db-501","subnet": "db","lb_refs": [
"dv2-hana"
],"hosts": {
"vhs501-01": {
"nics": [
[
"192.0.17.10"
]
]
},"vhs501-02": {
"nics": [
[
"192.0.17.11"
]
]
}
},"number_of_disks": 1
},{
"name": "hanashared",{
"name": "hanadata","number_of_disks": 3
},{
"name": "hanalog","number_of_disks": 2
},{
"name": "hanabackup","disk_size": "512","number_of_disks": 1
}
]
}
}
}
}
解决方法
您实际上不是在读取Json
文件,而是实际上是一个PowerShell对象的层次结构,该对象可能包含许多(.Net)对象类型,但是在这种情况下,它受原始Json结构的限制,该结构仅包含三种主要类型中的一种:
- 数组,包含多个子对象
- PSCustomObjects(除非您使用
ConvertFro-Json -AsHashTable
参数),其中包含分配给特定名称的子对象。 - Primitives(包括字符串),基本上是一个没有子对象的对象(“ 叶子”)。
要通读未知深度的层次结构的最佳方法是使用recursive
函数,这是一个调用自身的函数。给您一个具体问题的例子:
Function Show-Object ($Object,$Depth = 0,$Name) {
$Indent = if ($Depth++) { " " * ($Depth - 2) }
if ($Object -is [Array]) {
If ($Name) { "$Indent$Name =" }
foreach ($Item in $Object) {
Show-Object $Item $Depth
}
}
elseif ($Object -is [PSCustomObject]) {
If ($Name) { "$Indent$Name =" }
foreach ($Name in $Object.PSObject.Properties.Name) {
Show-Object $Object.$Name $Depth $Name
}
}
else {
if ($Name) { "$Indent$Name = $Object" } else { "$Indent$Object" }
}
}
如您所见,在结构可能存在任何子对象的情况下(对于[Array]
或[PSCustomObject]
而言,Show-Object
函数使用子对象作为自身来调用自身)新的输入对象,以及一些其他参数,例如跟踪当前的$Depth
。
您可以像下面这样简单地调用函数:
Show-Object $JsonContent
或将其导出到以下文件中:
Show-Object $JsonContent | Out-File .\text1.txt
对于您的$JsonContent
,它将导致:
foundation =
network =
resource_group_name = rg-network-e2
name = nonprodvnet-e2
diagnostics =
resource_group_name = rg-mgmt-cu
storage_account_name = Sreacnt-e2
log_analytics =
resource_group_name = rg-mgmt-cu
workspace_name = la-sap-e2
recovery_vault =
resource_group_name = rg-mgmt-cu
name = rsv-sap-e2
windows_domain =
domain_name = dmn.local
ou_path = CN=Computers,DC=example,DC=com
domain_user = svc_domainjoin@dmn.local
domain_password = Pwd01
control_flags =
enable_boot_diagnostics = True
enable_oms = False
enable_backup = True
windows_domain_join = False
deployment =
resource_group =
name = rg-sap-501-e2
location = eastus2
tags =
owner = for SAP
os_account =
admin_username = locadm
proximity_placement_groups =
ppg-501 =
availability_sets =
avset-cs-501 =
ppg_name = ppg-501
avset-app-501 =
ppg_name = ppg-501
avset-db-501 =
ppg_name = ppg-501
load_balancers =
ilb-sap-501 =
dv2ascs =
ip_address = 192.0.18.20
probe_port = 62000
subnet = app
dv2-ers =
ip_address = 192.0.18.21
probe_port = 62102
subnet = app
ilb-db-501 =
dv2-hana =
ip_address = 192.0.17.12
probe_port = 62503
subnet = db
server_groups =
ascs =
os_type = linux
sku = Standard_E4s_v3
availability_set = avset-cs-501
backup_policy = sap
ppg_name = ppg-501
lb_refs =
dv2-ascs
dv2-ers
os_disk_size = 30
enable_accelerated_networking = True
hosts =
vcs501-01 =
nics =
192.0.18.18
vcs501-02 =
nics =
192.0.18.19
subnet = app
image_details =
resource_id =
marketplace_reference =
publisher = SUSE
offer = sles-sap-15-sp1
sku = gen1
version = latest
disks =
name = usrsap
disk_size = 128
number_of_disks = 1
apps =
type = app_linux
os_type = linux
sku = Standard_E4s_v3
availability_set = avset-app-501
backup_policy = sap
ppg_name = ppg-501
enable_accelerated_networking = True
os_disk_size = 30
hosts =
vas501-01 =
nics =
192.0.18.16
192.0.18.26
vas501-02 =
nics =
192.0.18.17
192.0.18.27
subnet = app
image_details =
resource_id =
marketplace_reference =
publisher = SUSE
offer = sles-15-sp1
sku = gen1
version = latest
disks =
name = usrsap
disk_size = 128
number_of_disks = 1
hana =
os_type = linux
sku = Standard_E32s_v3
availability_set = avset-db-501
backup_policy = sap
ppg_name = ppg-501
os_disk_size = 30
subnet = db
lb_refs =
dv2-hana
hosts =
vhs501-01 =
nics =
192.0.17.10
vhs501-02 =
nics =
192.0.17.11
image_details =
resource_id =
marketplace_reference =
publisher = SUSE
offer = sles-sap-15-sp1
sku = gen1
version = latest
disks =
name = usrsap
disk_size = 128
number_of_disks = 1
name = hanashared
disk_size = 128
number_of_disks = 1
name = hanadata
disk_size = 128
number_of_disks = 3
name = hanalog
disk_size = 128
number_of_disks = 2
name = hanabackup
disk_size = 512
number_of_disks = 1