快速访问深度嵌套的字典和数组值。

I have a super-nested set of dictionaries and arrays

我有一组超嵌套的字典和数组

var lines = ["set0":["lines":["Line one","Line two"],"pickone": ["set1":"Apples","set2":"Oranges"]],"set1":["lines":["Line one","Line two"],"pickone":["set3":"Bananas","set4":"Grapefruits"]]]

var行=[“set0”:[“线”:[“一线”、“二线”),“pickone”:[set2”中的:“苹果”,“关于我校”:“橙子”]],“set2”中的:[“线”:[“一线”、“二线”),“pickone”:[“set3”:“香蕉”、“set4”:“葡萄”]]]

I have two questions:

我有两个问题:

Is there any way to make the structure of those nested dictionaries more readable

有没有办法让这些嵌套字典的结构更容易读
How can I access the values of the nested arrays

如何访问嵌套数组的值?

For instance, in a Playground I'm trying the following code:

例如，在一个操场上，我正在尝试以下代码:

lines["set0"]!["lines"]

but I'm not getting any result at all.

但是我一点结果都没有。

2 个解决方案

#1

As to making it readable try:

为了使它可读，试着:

var lines = [
    "set0":[
        "lines":[
            "Line one",
            "Line two"
        ],
        "pickone":[
            "set1":"Apples",
            "set2":"Oranges"
        ]
    ],
    "set1":[
        "lines":[
            "Line one",
            "Line two"
        ],
        "pickone":[
            "set3":"Bananas",
            "set4":"Grapefruits"
        ]
    ]
]

And as to your line:

至于你的台词:

lines["set0"]!["lines"]

I can confirm that it is working. Maybe you should give playground some time to display the result. Or, possibly, you forgot to:

我可以确认它是有效的。也许你应该给运动场一些时间来展示结果。或者，可能，你忘了:

import Foundation

#2

Regarding your question 2: after a little change in your code, you can traverse all of it's branches.

关于你的问题2:在你的代码稍作修改之后，你可以遍历它的所有分支。

var lines:AnyObject = ["set0":["lines":["Line one","Line two"],"pickone": ["set1":"Apples","set2":"Oranges"]],"set1":["lines":["Line one","Line two"],"pickone":["set3":"Bananas","set4":"Grapefruits"]]]

    NSLog("original object:\(lines)")
    NSLog("all keys array:\(lines.allKeys)")


    if(lines.isKindOfClass(NSDictionary)){
        for key  in lines.allKeys{
            var innerDictionary:AnyObject! = lines.valueForKey(key as! NSString as String)
            //NSLog("inner dictionary:\(innerDictionary)")
            NSLog("depth2 keys array:\(innerDictionary.allKeys)")
            if(innerDictionary.isKindOfClass(NSDictionary)){

                for innerKey  in innerDictionary.allKeys{
                    var innerValue:AnyObject! = innerDictionary.valueForKey(innerKey as! NSString as String)

                    if(innerValue.isKindOfClass(NSDictionary)){
                        NSLog("Depth3 keys array:\(innerValue.allKeys)")
                        var mostInnerDicionary:AnyObject! = innerDictionary.valueForKey(innerKey as! NSString as String)
                        NSLog("most inner Dictionary:\(mostInnerDicionary)")
                        for mostInnerKey  in mostInnerDicionary.allKeys{
                        var mostInnerValue:AnyObject! = mostInnerDicionary.valueForKey(mostInnerKey as! NSString as String)
                            NSLog("most inner Value:\(mostInnerValue)")
                        }

                    }else{
                       NSLog("innerValue:\(innerValue)")
                    }

                }
            }
        }
    }

output: run and check the output in console log

输出:运行并检查控制台日志中的输出

#1