extjs 嵌套 json
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【中文标题】extjs 嵌套 json【英文标题】：extjs nested json 【发布时间】：2013-02-28 19:32:20 【问题描述】：从各个地方获取关于嵌套 json 是否在 extjs 中可用的相互冲突的信息。注意使用 Sencha Architect 可能会使事情复杂化...
我有一个通过 store/ajax 代理返回的客户端 json 对象。我无法访问第一级以外的任何内容。
JSON 看起来像这样：
"client":
"0":
"id": "12345",
"type_id": "3",
"association_id": "0",
"is_active": "1",
"manager_id": "2",
"business_name": null,
"has_payroll": "0",
"business_proprietor_contact_id": null,
"date_created": "1358893243",
"date_modified": "1358893243"
,
"contacts": [
"id": "1",
"client_id": "12345",
"contact_id": "1",
"is_primary": "0",
"display_priority": "0",
"relationship": "Client",
"friendly_name": "Homer",
"contact": [
"id": "1",
"surname": "Mr.",
"first_name": "Homer",
"middle_name": "J",
"last_name": "Simpson",
"client_id": "12345",
"date_created": "1356038714",
"date_modified": null
,
"addresses": [
"id": "1",
"contact_id": "1",
"address_id": "16",
"is_mailing_address": "0",
"is_primary_address": "0",
"display_priority": "0",
"address":
"0":
"id": "16",
"address": "5 Dirt Rd",
"address2": "",
"city": "TAXMASTER",
"state": "NY",
"zip_code": "454545",
"country": "USA",
"other": null,
"phone": null,
"fax": null,
"display_priority": null,
"is_mailing_address": "1"
,
"data": [
"id": "10",
"label": "Phone",
"value": "BUT WHO WAS",
"date_created": "1356104685",
"date_modified": "1357142782",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "16",
"is_deleted": "0"
,
"id": "14",
"label": "Fax",
"value": "simile",
"date_created": "1356557379",
"date_modified": "1357142782",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "16",
"is_deleted": "0"
,
"id": "17",
"label": "Also Known as:",
"value": "DUDE",
"date_created": "1357141357",
"date_modified": "1357142782",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "16",
"is_deleted": "0"
]
,
"id": "6",
"contact_id": "1",
"address_id": "26",
"is_mailing_address": "0",
"is_primary_address": "0",
"display_priority": "0",
"address":
"0":
"id": "26",
"address": "1 Lift Road",
"address2": "",
"city": "Tony Beach",
"state": "KS",
"zip_code": "15151",
"country": "USA",
"other": null,
"phone": null,
"fax": null,
"display_priority": null,
"is_mailing_address": "0"
,
"data": [
"id": "18",
"label": "Phone:",
"value": "cool phone number",
"date_created": "1357141527",
"date_modified": "1357141527",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "26",
"is_deleted": "0"
,
"id": "19",
"label": "Note:",
"value": "cool note",
"date_created": "1357141527",
"date_modified": "1357141527",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "26",
"is_deleted": "0"
]
,
],
"data": [
"id": "1",
"label": "asdf",
"value": "dfdfefefefef",
"date_created": "1356038714",
"date_modified": "1356040822",
"user_id": "2",
"display_priority": "0",
"client_id": null,
"contact_id": "1",
"account_id": null,
"business_id": null,
"address_id": null,
"is_deleted": "0"
,
"id": "2",
"label": "asfd",
"value": "152151",
"date_created": "1356038714",
"date_modified": "1356040822",
"user_id": null,
"display_priority": "2",
"client_id": null,
"contact_id": "1",
"account_id": null,
"business_id": null,
"address_id": null,
"is_deleted": "0"
,
]
]
,
"id": "7",
"client_id": "12345",
"contact_id": "11",
"is_primary": "0",
"display_priority": "0",
"relationship": "None",
"friendly_name": "Mary Jane",
"contact":
"0":
"id": "11",
"surname": "",
"first_name": "Mary Jane",
"middle_name": "",
"last_name": "Simpson",
"client_id": null,
"date_created": "1357145795",
"date_modified": null
,
"7":
"addresses": [
"id": "11",
"contact_id": "11",
"address_id": "33",
"is_mailing_address": "0",
"is_primary_address": "0",
"display_priority": "0",
"address":
"0":
"id": "33",
"address": "33 Street",
"address2": "",
"city": "NY",
"state": "NY",
"zip_code": "06830",
"country": "USA",
"other": null,
"phone": null,
"fax": null,
"display_priority": null,
"is_mailing_address": "0"
,
"data": [
"id": "31",
"label": "Fax:",
"value": "asdfasdf",
"date_created": "1357145905",
"date_modified": "1357145939",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "33",
"is_deleted": "0"
,
"id": "32",
"label": "Fax:",
"value": "sadfsadf",
"date_created": "1357145905",
"date_modified": "1357145905",
"user_id": null,
"display_priority": null,
"client_id": null,
"contact_id": null,
"account_id": null,
"business_id": null,
"address_id": "33",
"is_deleted": "0"
]
],
"data": [
"id": "29",
"label": "Phone:",
"value": "asdfsadf",
"date_created": "1357145833",
"date_modified": "1357145833",
"user_id": "2",
"display_priority": null,
"client_id": null,
"contact_id": "11",
"account_id": null,
"business_id": null,
"address_id": null,
"is_deleted": "0"
,
"id": "30",
"label": "Email:",
"value": "dsfgdsfg",
"date_created": "1357145855",
"date_modified": "1357145855",
"user_id": "2",
"display_priority": null,
"client_id": null,
"contact_id": "11",
"account_id": null,
"business_id": null,
"address_id": null,
"is_deleted": "0"
]
],
"notes": [
"id": "5",
"client_id": "12345",
"label": "This is a HomerHomer Note",
"value": "This is from Homer's Dashboard Notes.",
"contact_id": null,
"address_id": null,
"account_id": null,
"account_data_id": null,
"account_credential_id": null,
"payment_id": null,
"contact_log_id": null,
"user_id": "2",
"bill_id": null,
"is_deleted": "0",
"date_created": "1357148256",
"date_modified": "1357148256"
]
根据https://***.com/a/8318589/183254 嵌套 JSON 不可用。根据https://***.com/a/5604594/183254，它是可用的，但必须采用某种格式。
我根据 API 文档格式做了一个小测试：
results: 2000,
rows: [
id: 1, firstname: 'Bill', occupation: 'Gardener', cool: neat: 'wow' ,
id: 2, firstname: 'Ben' , occupation: 'Horticulturalist' ,
]
有了这个，我可以从 tpl 调用所有内容。特别是，cool.neat 打印出wow。但是，将 cool 更改为 cool:[neat:'wow] 会中断。所以它似乎嵌套的 json 部分工作 - 可能只是部分因为我做错了什么。
我的想法是，向 api 发出单个请求并收集所有需要的信息、解析它并将其发送到组件而不是为所需的每组数据创建代理是有意义的。我可能错了……
除了需要的指导/打脸，我还有 2 个问题：
1) 尝试做我正在做的事情是否可行/可行？即尝试使用单个请求来收集多个组件的数据？
2) 有没有办法从 tpl 调试数据？
这是来自 Sencha Architect 的 extjs 4.1
谢谢。
【问题讨论】：
【参考方案1】：我也有同样的问题。我可以绕过它的唯一方法（我尝试了映射和其他几种解决方案）基本上是拥有一个主商店和子商店。从 ajax 获取信息并将其带入主存储。有一个“加载”侦听器，当它加载时，检查是否需要将信息传递给其他存储。
将所有子存储的 autoload 属性设置为 false 并且从不加载它们。
即：
load: function(t,records,successful,eOpts)
var substores [store: nameOfStore, root: rootPropInTheJson,
store...etc...etc..];
for (var i = 0; i < substores.length; i++)
if (pathtoroot* != undefined)
substores[i].store.add(pathtojsonroot)
至少，这是我认为你的意思。如果这是你的意思，那么是的，我觉得它很实用，我不知道第二个问题的答案。
【讨论】：
我假设您设置了其他变量？pathtoroot* ?错字？无论如何，我不断收到Uncaught TypeError: Object mySubStore has no method 'add'。另外，您从主商店的构造函数中的负载侦听器调用它吗？谢谢！
随机变量只是填充物。您将 var 的名称与您的商店一起放在那里。如果您做得正确，则在您的商店中对变量使用 add 只会向其中添加记录。因此，您基本上最终会确定是否需要添加记录，然后在需要时将其推出。您能否发布导致类型错误的代码以及商店声明。是的，它在主存储负载监听器中
而 * 是因为我打算在底部添加一个注释，提到根目录的路径最终类似于：t.data.items[i].raw[substores[i] .root][j]。另一件需要注意的事情是，您可以不寻找根，而是在根内寻找一个值。也许是身份证？ t.data.items[0].raw[substores[i].root][j].id
` var substores = [store: 'contactStore', root: 'contacts' ]; for (var i = 0; i
store 不是字符串。您可以通过 2 种方式做到这一点： 如果您创建了这样的商店：var firstStore = Ext.create('Ext.data.Store', ，那么您将使用 store: firstStore 如果您想使用 storeId，那么您可以使用 store: Ext.getStore('firstStore') 我看到的另一个问题是您是做 .add('contact')。通过 pathtojsonroot，我的意思是 t.data.items[0].raw['root']以上是关于extjs 嵌套 json的主要内容，如果未能解决你的问题，请参考以下文章
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