我已经安装的UISearchBar的事情。但我收到提示说。
不能分配类型的“[cellData]”到类型值“[字符串]”
这里的代码
struct cellData {
let jobTitle : AnyObject?
let companyName : String?
let jobLocation : String?
let jobDescription : String?
let jobReq : String?
let firstPosterImage : AnyObject?
let secondPosterImage : AnyObject?
let createdAt : Date
init(jobTitle: AnyObject?, companyName: String? = nil, jobLocation: String? = nil ,jobDescription: String? = nil, jobReq:String? = nil, firstPosterImage: AnyObject? = nil, secondPosterImage: AnyObject? = nil, timeStamp:Double) {
self.jobTitle = jobTitle
self.companyName = companyName
self.jobLocation = jobLocation
self.jobDescription = jobDescription
self.jobReq = jobReq
self.firstPosterImage = firstPosterImage
self.secondPosterImage = secondPosterImage
self.createdAt = Date(timeIntervalSince1970: timeStamp/1000)
}
}
var cellDataArray = [cellData]()
var filtered = [String]()
func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
if searchText.isEmpty {
isSearching = false
tableView.reloadData()
} else {
isSearching = true
filtered = cellDataArray.filter({($0.jobTitle?.lowercased?.contains(searchText.lowercased()))!})
tableView.reloadData()
}
}
我在这一行得到错误
filtered = cellDataArray.filter({($0.jobTitle?.lowercased?.contains(searchText.lowercased()))!})
。注意到细胞DataArray中具有细胞的数据的结构。而我使用的tableView搜索栏。
谢谢。
你的问题是,cellDataArray
和filtered
2种不同的数据类型(String
和结构CellData
)的,所以你不能简单地指定一个到另一个没有像转换
let res = cellDataArray.filter({($0.jobTitle?.lowercased?.contains(searchText.lowercased()))!})
filtered = res.map { $0.anyProprtyInside } // property should be a String
你可能意味着是声明作为过滤
var filtered = [CellData]() // start structs / classes / protocols with uppercase letter