[英]Swift - Computed Property Return
我有一些字典,将用于collectionView中的单元格。 我是新手,所以我尝试找到最佳的存储方式。
现在,我使用以下代码:
var collectionViewData: [collectionViewStruct] = {
var cell_1 = collectionViewStruct()
cell_1.title = "..."
cell_1.text = "..."
cell_1.firstColor = "C68CF2"
cell_1.secondColor = "EFA8CA"
var cell_2 = collectionViewStruct()
cell_2.title = "..."
cell_2.text = "..."
cell_2.firstColor = "C68CF2"
cell_2.secondColor = "EFA8CA"
return [cell_1, cell_2]
}()
有没有办法不写每个变量作为回报?
如何一次返回所有变量?
还是有更好的方法来存储此数据?
提前致谢 :)
为此,您可以使用私有属性,然后将其返回,例如:
private var _suggestions: [suggestionsStruct] = [suggestionsStruct]()
var suggestions: [suggestionsStruct] {
get{
if _suggestions.count > 0{
var suggestion_1 = suggestionsStruct()
suggestion_1.title = "..."
suggestion_1.text = "..."
suggestion_1.firstColor = "C68CF2"
suggestion_1.secondColor = "EFA8CA"
_suggestions.append(suggestion_1)
}else{
var suggestion_1 = suggestionsStruct()
suggestion_1.title = "..."
suggestion_1.text = "..."
suggestion_1.firstColor = "C68CF2"
suggestion_1.secondColor = "EFA8CA"
_suggestions = [suggestion_1]
}
return _suggestions
}
}
如果建议数据永远不变,则使用以下结构:
struct collectinView {
let title: String
let text: String
let firstColor = "C68CF2"
let secondColor = "EFA8CA"
}
let collectionViewData = [
collectionView(title: "...", text: "..."),
collectionView(title: "other Title", text: "Other text")]
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