Arrays 向数组中添加变量
这是我的结构,下面有这样的变量Arrays 向数组中添加变量,arrays,swift,Arrays,Swift,这是我的结构,下面有这样的变量 struct Section { var name: String! var items: [String]! var collapsed: Bool! init(name: String, items: [String], collapsed: Bool = false) { self.name = name self.items = items self.collapsed =
struct Section {
var name: String!
var items: [String]!
var collapsed: Bool!
init(name: String, items: [String], collapsed: Bool = false) {
self.name = name
self.items = items
self.collapsed = collapsed
}
}
如何将新名称添加到我的阵列1
?我不想附加我需要下面这样的东西
var array1 : Section = Section(name:"",items:[])
如果我理解正确,您可以用以下方式替换名称:
sections = [
Section(name: "Mac", items: ["MacBook", "MacBook Air", "MacBook Pro", "iMac", "Mac Pro", "Mac mini", "Accessories", "OS X El Capitan"]),
Section(name: "iPad", items: ["iPad Pro", "iPad Air 2", "iPad mini 4", "Accessories"]),
Section(name: "iPhone", items: ["iPhone 6s", "iPhone 6", "iPhone SE", "Accessories"]),
]
编辑:
var array1 : Section = Section(name:"",items:[])
array1.name = "New Name"
print(array1) //Section(name: New Name, items: [], collapsed: false)
如您所见,array1.name
为空,您添加了“New FamilyName”
。结果,它将为您提供“新家庭名称”
但是如果您的数组1.name中有值
var array1 : Section = Section(name:"",items:[])
array1.name.append("New FamilyName") //"New FamilyName"
array1.name //"New FamilyName"
这将把新字符串附加到现有字符串中
现在,如果不使用append完全替换
var array1 : Section = Section(name:"New Name",items:[])
array1.name.append("New FamilyName") //"New NameNew FamilyName"
array1.name //"New NameNew FamilyName"
您需要的是使array1本身成为一个节数组:
var array1 : Section = Section(name:"New Name",items:[])
array1.name //"New Name"
array1.name = "Complete New Value" //replace original value
array1.name //"Complete New Value"
print(array1) //"Section(name: Complete New Value, items: [], collapsed: false)\n"
array1.name=“new name”
?如果我使用array1.name.append(“new FamilyName”),它将显示部分(名称:new name,new Family name,items:[],折叠:false),但我想显示部分(名称:new name…)。节(名称:New FamilyName),这意味着您正在向字符串中追加字符。可以更新我的答案。但我不想替换我希望保留新名称并创建新名称的内容,例如节(名称:NewName,项:[],colaps:false)节(名称:FamilyName,项:[],折叠:true)那么您想在array1
中添加新对象吗?
var array1: [Section] = []
array1.append(Section(name: "Mac", items: ["MacBook", "MacBook Air", "MacBook Pro", "iMac", "Mac Pro", "Mac mini", "Accessories", "OS X El Capitan"]))
array1.append(Section(name: "iPad", items: ["iPad Pro", "iPad Air 2", "iPad mini 4", "Accessories"]))
array1.append(Section(name: "iPhone", items: ["iPhone 6s", "iPhone 6", "iPhone SE", "Accessories"]))