[英]Arrary of Dictionaries or Dictionary with arrays?
这是我的php页面中的json。 这是字典的Arrary还是只是一个带有键的字典,并且这些键在其中? 我认为这是第二种选择,但我不确定,因为我遇到了一些冲突的选择。 一旦在xcode调试器中显示,结构也会改变吗?
{
"slots": {
"2012-08-31 00:00:00 America/Los_Angeles": [
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-30 17:00:00 America/Los_Angeles",
"end": "2012-08-30 17:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-30 17:30:00 America/Los_Angeles",
"end": "2012-08-30 18:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": false,
"isReserved": false,
"label": " ",
"begin": "2012-08-30 18:00:00 America/Los_Angeles",
"end": "2012-08-31 00:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": false,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 00:00:00 America/Los_Angeles",
"end": "2012-08-31 08:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 08:00:00 America/Los_Angeles",
"end": "2012-08-31 08:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 08:30:00 America/Los_Angeles",
"end": "2012-08-31 09:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 09:00:00 America/Los_Angeles",
"end": "2012-08-31 09:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 09:30:00 America/Los_Angeles",
"end": "2012-08-31 10:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": false,
"isReserved": true,
"label": "Joe Smith",
"begin": "2012-08-31 10:00:00 America/Los_Angeles",
"end": "2012-08-31 12:30:00 America/Los_Angeles",
"span": 5
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 12:30:00 America/Los_Angeles",
"end": "2012-08-31 13:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 13:00:00 America/Los_Angeles",
"end": "2012-08-31 13:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 13:30:00 America/Los_Angeles",
"end": "2012-08-31 14:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 14:00:00 America/Los_Angeles",
"end": "2012-08-31 14:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 14:30:00 America/Los_Angeles",
"end": "2012-08-31 15:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 15:00:00 America/Los_Angeles",
"end": "2012-08-31 15:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 15:30:00 America/Los_Angeles",
"end": "2012-08-31 16:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 16:00:00 America/Los_Angeles",
"end": "2012-08-31 16:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 16:30:00 America/Los_Angeles",
"end": "2012-08-31 17:00:00 America/Los_Angeles",
"span": 1
}
],
"2012-09-01 00:00:00 America/Los_Angeles": [
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 17:00:00 America/Los_Angeles",
"end": "2012-08-31 17:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 17:30:00 America/Los_Angeles",
"end": "2012-08-31 18:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": false,
"isReserved": false,
"label": " ",
"begin": "2012-08-31 18:00:00 America/Los_Angeles",
"end": "2012-09-01 00:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": false,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 00:00:00 America/Los_Angeles",
"end": "2012-09-01 08:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 08:00:00 America/Los_Angeles",
"end": "2012-09-01 08:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 08:30:00 America/Los_Angeles",
"end": "2012-09-01 09:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 09:00:00 America/Los_Angeles",
"end": "2012-09-01 09:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 09:30:00 America/Los_Angeles",
"end": "2012-09-01 10:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 10:00:00 America/Los_Angeles",
"end": "2012-09-01 10:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 10:30:00 America/Los_Angeles",
"end": "2012-09-01 11:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 11:00:00 America/Los_Angeles",
"end": "2012-09-01 11:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 11:30:00 America/Los_Angeles",
"end": "2012-09-01 12:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 12:00:00 America/Los_Angeles",
"end": "2012-09-01 12:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 12:30:00 America/Los_Angeles",
"end": "2012-09-01 13:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 13:00:00 America/Los_Angeles",
"end": "2012-09-01 13:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 13:30:00 America/Los_Angeles",
"end": "2012-09-01 14:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 14:00:00 America/Los_Angeles",
"end": "2012-09-01 14:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 14:30:00 America/Los_Angeles",
"end": "2012-09-01 15:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 15:00:00 America/Los_Angeles",
"end": "2012-09-01 15:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 15:30:00 America/Los_Angeles",
"end": "2012-09-01 16:00:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 16:00:00 America/Los_Angeles",
"end": "2012-09-01 16:30:00 America/Los_Angeles",
"span": 1
},
{
"isPending": false,
"isReservable": true,
"isReserved": false,
"label": " ",
"begin": "2012-09-01 16:30:00 America/Los_Angeles",
"end": "2012-09-01 17:00:00 America/Los_Angeles",
"span": 1
}
]
}
在这里看看: http : //www.json.org/
基本上,您有一个词典slots
,其中有多个对象。 键看起来像是这样的东西2012-08-31 00:00:00 America/Los_Angeles
。 这些键包含字典数组。
您可以做的最好的事情就是尝试一下! 您所浪费的时间将少于在这里询问的时间! 无论如何,您有:
- dictionary, with a "slot" key that has an associated value:
- dictionary, with a "2012-08-31 00:00:00 America/Los_Angeles" key that that has an associated value:
- array, containing objects:
- dictionary1
- dictionary2
- ....
因此,例如,访问第二个元素的isPending属性:
[[[[dict objectForKey:@"slot"] objectForKey:@"2012-08-31 00:00:00 America/Los_Angeles"] objectAtIndex:1] valueForKey:@"isPending"];
字典周围的[
和]
似乎暗示它是一系列字典。
或者更确切地说,是Dictionary
内部的Dictionary
的Array
。 第一段仅涉及最内部的结构。
您可能会发现在此处使用NSLog进行调试很有用。
假设您想确定您的类是NSArray,Dictionary还是其他类。 传递JSON数据后。 要查看返回的内容,只需注销即可。
[NSLog(@" JSON data is kind of class %@", [NSStringFromClass([jsonData Class]);
这将告诉您json数据是什么类。
您还可以使用相同的方法来确定下一个项目是字典还是这样的数组
[NSLog(@" JSON data is kind of class %@", [NSStringFromClass([[jsonData objectAtIndex:i]Class]);
但是纯粹从观察的角度来看,我会说您有一本字典词典
这是我的方法。
for (NSString *slotKey in myslots.allKeys) {
NSDictionary *slot = [myslots valueForKey:slotKey];
NSArray *tests = [myslots objectForKey:slotKey];
for (NSDictionary *myDict in tests){
NSLog(@"%@", [myDict objectForKey:@"begin"]);
}
}
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