您将如何在此结构中引用模型(Accord,CRV,Prius等)? 这是一个糟糕的结构,能够提取制作...然后使用make来获取模型...然后使用模型来获取选项?
var cars = [
{
"makes" : "Honda",
"models" : [
{'Accord' : ["2dr","4dr"]} ,
{'CRV' : ["2dr","Hatchback"]} ,
{'Pilot' : ["base","superDuper"] }
]
},
{
"makes" : "Toyota",
"models" : [
{'Prius' : ["green","reallyGreen"]} ,
{'Camry' : ["sporty","square"]} ,
{'Corolla' : ["cheap","superFly"] }
]
}
];
由于
答案 0 :(得分:7)
结构:
var cars = [
{ name: 'Honda', models: [
{ name: 'Accord', features: ['2dr', '4dr'] },
{ name: 'CRV', features: ['2dr', 'Hatchback'] },
{ name: 'Pilot', features: ['base', 'superDuper'] }
]},
{ name: 'Toyota', models: [
{ name: 'Prius', features: ['green', 'superGreen'] },
{ name: 'Camry', features: ['sporty', 'square'] },
{ name: 'Corolla', features: ['cheap', 'superFly'] }
]}
];
我写了关于遍历和其他所有内容的here。
答案 1 :(得分:6)
cars [0] .models.Accord
汽车[0] .models.CRV
汽车[0] .models.Pilot (见olliej的回答)
尽管如此,使用以下访问概念可能更容易:
cars.Honda.Accord
cars.Toyota.Prius
... ...使用
var cars = {
Honda : {
Accord : ["2dr", "4dr"],
CRV : ["2dr", "Hatchback"],
Pilot : ["base", "superDuper"]
},
Toyota : {
Prius : ["green", "reallyGreen"],
Camry : ["sporty", "square"],
Corolla : ["cheap", "superFly"]
}
};
答案 2 :(得分:3)
乔纳森是正确的,但他在模型级别错过了额外的数组级别,所以它应该是
cars[0].models[0].Accord
cars[0].models[1].CRV
等
我怀疑你会发现使用以下结构更容易:
var cars = [
{makes : "Honda",
models : {
Accord : ["2dr","4dr"],
CRV : ["2dr","Hatchback"],
Pilot: ["base","superDuper"]
}
},
{makes :"Toyota",
models : {
Prius : ["green","reallyGreen"],
Camry : ["sporty","square"],
Corolla : ["cheap","superFly"]
}
}];
其中models
数组被对象(或关联数组,如果你喜欢)替换
[edit(olliej):在第二个例子中整理代码]
答案 3 :(得分:2)
您可以使用以下代码遍历模型:
for (var i = 0, carslen = cars.length; i < carslen; i++) { for (var j = 0, modelslen = cars[i].models.length; j < modelslen; j++) { // do something with cars[i].models[j] } }
但我同意Olliej关于将JSON的结构更改为他的格式。
答案 4 :(得分:0)
如果我是你,我不会把你的所有数据都归结为一个大的多维数组/对象文字混乱。我将封装每个对象并使用方法来访问数据。它会使你的大脑陷入困境。