如何遍历多级JSON
[英]How to loop through multi-level JSON
问题描述
I would like to loop through each dictionary for Containers below and pull info out for each one as it relates to the top-level dictionary, my code below only loops through the last dictionary. 
我想遍历下面每个容器的字典，并为每个字典提取信息，因为它与顶级字典有关，下面的代码仅循环遍历最后一个字典。 How can I fix this to loop through all dictionaries? 如何解决此问题以遍历所有词典？
JSON: JSON：
{
"MetaData": {},
"SRData": {
"AddressVerified": "Y",
"SRNumber": "1-19066631",
"CreatedDate": "06/17/2015 07:22:16",
"UpdatedDate": "06/19/2015 04:56:39",
"IntegrationId": "06172015072216272",
"Status": "Open",
"CreatedByUserLogin": "MYLA-SAN2",
"UpdatedByUserLogin": "MYLA-SAN2",
"Anonymous": "N",
"Zipcode": "90011",
"Latitude": "34.0258281427",
"Longitude": "-118.261080295",
"CustomerAccessNumber": "",
"LADWPAccountNo": "",
"NewContactFirstName": "fg",
"NewContactLastName": "ln",
"NewContactPhone": "455-455-4554",
"NewContactEmail": "",
"ParentSRNumber": "1-19048641",
"Priority": "Normal",
"Language": "English",
"ReasonCode": "",
"ServiceDate": "06/18/2015 00:00:00",
"Source": "Call",
"ClosedDate": "",
"Email": "",
"FirstName": "",
"HomePhone": "",
"LastName": "",
"LoginUser": "",
"ResolutionCode": "",
"SRUnitNumber": "",
"MobilOS": "",
"SRAddress": "601 E 22ND ST, 90011",
"SRAddressName": "",
"SRAreaPlanningCommission": "South Los Angeles APC",
"SRCommunityPoliceStation": "CENTRAL BUREAU",
"SRCouncilDistrictMember": "Curren D. Price Jr.",
"SRCouncilDistrictNo": "9",
"SRDirection": "E",
"SRNeighborhoodCouncilId": "78",
"SRNeighborhoodCouncilName": "SOUTH CENTRAL NC",
"SRStreetName": "22ND",
"SRSuffix": "ST",
"SRTBColumn": "E",
"SRTBMapGridPage": "634",
"SRTBRow": "7",
"SRXCoordinate": "6482570",
"SRYCoordinate": "1831887",
"AssignTo": "WH",
"Assignee": "",
"Owner": "BOS",
"ParentSRStatus": "Open",
"ParentSRType": "Service Not Complete",
"ParentSRLinkDate": "06/19/2015 04:56:39",
"ParentSRLinkUser": "MYLA-SAN2",
"SRAreaPlanningCommissionId": "9",
"SRCommunityPoliceStationAPREC": "NEWTON",
"SRCommunityPoliceStationPREC": "13",
"SRCrossStreet": "",
"ActionTaken": "SR Created",
"SRCity": "",
"RescheduleCounter": "",
"SRHouseNumber": "601",
"ContactSuppressEmailFlag": "Y",
"SourceofRequestCouncil": "",
"CCBPremiseType": "Multi Residential",
"ContainerBlackCount": "",
"ContainerBrownCount": "",
"SRIntersectionDirection": "",
"SRApproximateAddress": "N",
"ContainerGreenCount": "",
"OtherBureauName": "",
"AssigneeName": "",
"AssigneeOrganization": "",
"AnotherBureauEmailId": "",
"CCBPremiseId": "",
"ListOfLa311BulkyItem": {},
"ListOfLa311DeadAnimalRemoval": {},
"ListOfLa311BrushItemsPickup": {},
"ListOfLa311Containers": {
"La311Containers": [
{
"ContainerNumber": "",
"ContainerType": "Blue Recycling",
"DamageonLid": "",
"DamageonAxle": "",
"DamageonBody": "",
"DamageonWheels": "",
"DeliveryReason": "Private to City Service",
"DriverFirstName": "",
"DriverLastName": "",
"ExchangeDetails": "",
"GatedCommunityMultifamilyDwelling": "",
"MobileHomeSpace": "",
"PickupReason": "",
"RequestFor": "Delivery",
"ServiceDateRendered": "",
"TruckNo": "",
"Type": "Containers",
"CollectionLocation": "Curb",
"ContainerSize": "30 Gallon (Small) Blue",
"LastUpdatedBy": "",
"ActiveStatus": "Y",
"NameField1": "",
"NameField2": "",
"NameField3": "",
"NameField4": "",
"NumericValueField1": "",
"NumericValueField2": "",
"NumericValueField3": "",
"NumericValueField4": "",
"PurposeofSR": "",
"Name": "061720150722162721"
},
{
"ContainerNumber": "2222222222222",
"ContainerType": "Black Refuse",
"DamageonLid": "",
"DamageonAxle": "",
"DamageonBody": "",
"DamageonWheels": "",
"DeliveryReason": "",
"DriverFirstName": "",
"DriverLastName": "",
"ExchangeDetails": "",
"GatedCommunityMultifamilyDwelling": "",
"MobileHomeSpace": "",
"PickupReason": "Abandoned",
"RequestFor": "Pickup",
"ServiceDateRendered": "",
"TruckNo": "",
"Type": "Containers",
"CollectionLocation": "Curb",
"ContainerSize": "90 Gallon (Large) Black",
"LastUpdatedBy": "",
"ActiveStatus": "Y",
"NameField1": "",
"NameField2": "",
"NameField3": "",
"NameField4": "",
"NumericValueField1": "",
"NumericValueField2": "",
"NumericValueField3": "",
"NumericValueField4": "",
"PurposeofSR": "",
"Name": "061720150722162722"
},
{
"ContainerNumber": "",
"ContainerType": "Black Refuse",
"DamageonLid": "",
"DamageonAxle": "",
"DamageonBody": "",
"DamageonWheels": "",
"DeliveryReason": "Exchange",
"DriverFirstName": "",
"DriverLastName": "",
"ExchangeDetails": "",
"GatedCommunityMultifamilyDwelling": "",
"MobileHomeSpace": "",
"PickupReason": "",
"RequestFor": "Delivery",
"ServiceDateRendered": "",
"TruckNo": "",
"Type": "Containers",
"CollectionLocation": "Curb",
"ContainerSize": "60 Gallon (Regular) Black",
"LastUpdatedBy": "",
"ActiveStatus": "Y",
"NameField1": "",
"NameField2": "",
"NameField3": "",
"NameField4": "",
"NumericValueField1": "",
"NumericValueField2": "",
"NumericValueField3": "",
"NumericValueField4": "",
"PurposeofSR": "",
"Name": "061720150722162743"
},
{
"ContainerNumber": "2222222222222",
"ContainerType": "Black Refuse",
"DamageonLid": "N",
"DamageonAxle": "Y",
"DamageonBody": "Y",
"DamageonWheels": "N",
"DeliveryReason": "",
"DriverFirstName": "",
"DriverLastName": "",
"ExchangeDetails": "",
"GatedCommunityMultifamilyDwelling": "",
"MobileHomeSpace": "",
"PickupReason": "",
"RequestFor": "Damage",
"ServiceDateRendered": "",
"TruckNo": "",
"Type": "Containers",
"CollectionLocation": "Curb",
"ContainerSize": "30 Gallon (Small) Black",
"LastUpdatedBy": "",
"ActiveStatus": "Y",
"NameField1": "",
"NameField2": "",
"NameField3": "",
"NameField4": "",
"NumericValueField1": "",
"NumericValueField2": "",
"NumericValueField3": "",
"NumericValueField4": "",
"PurposeofSR": "",
"Name": "061720150722162744"
}
]
}
}
}
Code: 码：
import json
CS = 'C:\Users\GIS\Desktop\containers.json'
with open(CS) as data_file:
CSdata = json.load(data_file)
items = []
for CSData in CSdata:
K_Containers = CSdata['SRData']['ListOfLa311Containers']
K_Address = CSdata['SRData']['SRAddress']
K_FirstName = "John"
K_Longitude = CSdata ['SRData']['Longitude']
K_Latitude = CSdata['SRData']['Latitude']
K_Reason =CSdata['SRData']['ReasonCode']
K_ResolutionCode = '0'
k_uid = ' '
k_container_type= ' '
k_container_number = ' '
k_delivery_reason = ' '
k_damage_body = ' '
k_damage_lid = ' '
k_container_size = ' '
k_axle_dam = ' '
k_wheel_dam = ' '
try:
for CSData in K_Containers:
for containers in K_Containers['La311Containers']:
containersize = containers['ContainerSize']
if k_container_size != containersize:
k_container_size = containersize
except:
print "Pass"
try:
for sr in K_Containers:
container_type = containers ['ContainerType']
if k_container_type != container_type:
k_container_type = container_type
for sr in K_Containers:
container_number = containers ['ContainerNumber']
if k_container_number != container_number:
k_container_number = container_number
for sr in K_Containers:
deliverreason = containers ['DeliveryReason']
if k_delivery_reason != deliverreason:
k_delivery_reason = deliverreason
for sr in K_Containers:
axle_damage = containers['DamageonAxle']
if k_axle_dam != axle_damage:
k_axle_dam = axle_damage
for sr in K_Containers:
body_damage = containers ['DamageonBody']
if k_damage_body != body_damage:
k_damage_body = body_damage
for sr in K_Containers:
lid_damage = containers ['DamageonLid']
if k_damage_lid != lid_damage:
k_damage_lid = lid_damage
for sr in K_Containers:
wheel_damage = containers ['DamageonWheels']
if k_wheel_dam != wheel_damage:
k_damage_lid = wheel_damage
for sr in K_Containers:
uid = containers ['Name']
if k_uid != uid:
k_uid = uid
except:
print ("Pass")
print k_uid
Output: 输出：
061720150722162744
061720150722162744
Desired Output: 所需输出：
061720150722162721
061720150722162722
061720150722162743
061720150722162744
1 个解决方案
解决方案1
2 已采纳 2015-06-20 22:48:07
The issue is that your current k_uid variable and print k_uid command are outside a container loop that cycles through the containers. 问题是您当前的k_uid变量和print k_uid命令在循环遍历容器的容器循环之外。
To print your desired output, you need a loop like the following: 要打印所需的输出，您需要如下所示的循环：
for container in K_Containers['La311Containers']:
print container['Name']
In a stand-alone context from your other loops this would be like: 在其他循环的独立上下文中，这将是：
K_Containers = CSdata['SRData']['ListOfLa311Containers']
for CSData in K_Containers
for container in K_Containers['La311Containers']:
print container['Name']
Another approach is to create a k_uids array and append each k_uid value on to it so you can access them all at the end. 另一种方法是创建一个k_uids数组，并将每个k_uid值附加到该数组上，以便最后可以访问它们。
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