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ios - 使用搜索栏 iOS swift 3 中的条目加载单元格时图像显示不正确

转载 作者:行者123 更新时间:2023-11-28 21:07:51 25 4
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这里我试图在搜索开始时显示过滤后的数据结果。名称的搜索有效,但我不明白如何将图像与搜索一起显示。我认为错误是在过滤内容中我是 iOS 的新手,我们将不胜感激

   import UIKit
import Foundation
import SDWebImage

class TableViewController: UITableViewController,UISearchBarDelegate,UISearchResultsUpdating {
//var sections = ["recent","old"]
var TableData:Array<String> = Array <String>()
//var TableDataRecent:Array<String> = Array <String>()
var TableImage:Array<String> = Array <String>()
var appoid:Array<String> = Array <String>()


var filteredArray:[String]=[]
var filteredImage:[String]=[]
let searchController = UISearchController(searchResultsController:nil)


override func viewDidLoad() {
super.viewDidLoad()
getData()
self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cells")
searchController.searchResultsUpdater = self
searchController.dimsBackgroundDuringPresentation=false
definesPresentationContext=true
self.tableView.tableHeaderView = searchController.searchBar
// Do any additional setup after loading the view, typically from a nib.
tableView.reloadData()
}

override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
//
// override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
//
// return sections[section]
//
// }
//
// override func numberOfSections(in tableView: UITableView) -> Int {
// // #warning Incomplete implementation, return the number of sections
//
// return sections.count
//
// }



override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if searchController.isActive && !searchController.searchBar.isEqual("") {
return self.filteredArray.count
}
else{
return TableData.count
}
}

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
//here cells is the identifier name of prototype cell

let cell = self.tableView.dequeueReusableCell(withIdentifier: "cells", for: indexPath)

if searchController.isActive && !searchController.searchBar.isEqual(""){
cell.textLabel?.text = filteredArray[indexPath.row]
//cell.imageView?.image = filteredImage[indexPath.row]
// print("filteredimage")
// print(filteredImage)
// print(indexPath.row)
cell.imageView?.sd_setImage(with: URL(string: TableImage[indexPath.row]), placeholderImage: UIImage(named: "PA"))
print(TableData[indexPath.row])

print(appoid[indexPath.row])
}
else{
cell.textLabel?.text = self.TableData[indexPath.row]
//cell.imageView?.image = self.TableImage[indexPath.row]
cell.imageView?.sd_setImage(with: URL(string: TableImage[indexPath.row]), placeholderImage: UIImage(named: "PA"))
//cell.= appoid[indexPath.row]

}


return cell
}





func filterContentForSearch(searchString:String){
self.filteredArray=self.TableData.filter(){nil != $0.range(of:searchString)}
self.filteredImage=self.TableImage.filter(){nil != $0.range(of:searchString)}

self.tableView.reloadData()
}


func updateSearchResults(for searchController: UISearchController) {
self.filterContentForSearch(searchString: searchController.searchBar.text!)
}




func getData() {


var request = URLRequest(url: URL(string: "*********")!)
//request.httpMethod = "POST"
//let postString = "date="+x
//request.httpBody = postString.data(using: .utf8)
//print(request.httpBody)
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard let data = data, error == nil else { // check for fundamental networking error
print("error=\(error)")
return
}

if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 { // check for http errors
print("statusCode should be 200, but is \(httpStatus.statusCode)")
print("response = \(response)")
}

let responseString = String(data: data, encoding: .utf8)
print("responseString = \(responseString)")

do{

let json = try JSONSerialization.jsonObject(with: data, options:.allowFragments) as! [String:AnyObject]

if let stations = json["result"] as? [[String: AnyObject]] {
for station in stations {
let name = station["patient_name"] as! String
//self.login = login_value
let profile_pic = station["image"] as! String
let status = station["status"] as! String

let appo_id = station["id"] as! String
// let appo_id = station["appointment_id"] as! String
//let status = station["status"] as! String
//let appo_time = station["appointment_time"] as! String
//let appo_duration = station["time_duration"] as! String
//let reason = station["reason"] as! String
print(name,status)

self.TableData.append(name)
self.TableImage.append(profile_pic)
self.appoid.append(appo_id)

}







print(self.TableData)
print(self.TableImage)
//print(self.items)
//self.do_table_refresh();
self.tableView.reloadData()

}

}catch {
print("Error with Json: \(error)")
}



}
task.resume()



}






}

最佳答案

不要为图像、数据和 appoid 保留单独的数组。创建结构对象并对结构对象进行搜索。试试这个,

import UIKit
import Foundation
import SDWebImage

struct TableObject {
var name: String = ""
var image: String = ""
var appoId: String = ""
}

class TableViewController: UITableViewController,UISearchBarDelegate,UISearchResultsUpdating {
//var sections = ["recent","old"]
var tableDataSource: [TableObject] = []

var filteredArray: [TableObject] = []
let searchController = UISearchController(searchResultsController:nil)


override func viewDidLoad() {
super.viewDidLoad()
getData()
self.tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cells")
searchController.searchResultsUpdater = self
searchController.dimsBackgroundDuringPresentation=false
definesPresentationContext=true
self.tableView.tableHeaderView = searchController.searchBar
// Do any additional setup after loading the view, typically from a nib.
tableView.reloadData()
}

override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
//
// override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
//
// return sections[section]
//
// }
//
// override func numberOfSections(in tableView: UITableView) -> Int {
// // #warning Incomplete implementation, return the number of sections
//
// return sections.count
//
// }



override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if searchController.isActive && !searchController.searchBar.isEqual("") {
return self.filteredArray.count
}
else{
return tableDataSource.count
}
}

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
//here cells is the identifier name of prototype cell

let cell = self.tableView.dequeueReusableCell(withIdentifier: "cells", for: indexPath)

if searchController.isActive && !searchController.searchBar.isEqual(""){
cell.textLabel?.text = filteredArray[indexPath.row].name
//cell.imageView?.image = filteredImage[indexPath.row]
// print("filteredimage")
// print(filteredImage)
// print(indexPath.row)
cell.imageView?.sd_setImage(with: URL(string: filteredArray[indexPath.row].image), placeholderImage: UIImage(named: "PA"))
}
else{
cell.textLabel?.text = self.TableData[indexPath.row]
//cell.imageView?.image = self.TableImage[indexPath.row]
cell.imageView?.sd_setImage(with: URL(string: tableDataSource[indexPath.row].image), placeholderImage: UIImage(named: "PA"))
//cell.= appoid[indexPath.row]

}


return cell
}





func filterContentForSearch(searchString:String){
self.filteredArray=self.tableDataSource.filter(){nil != $0.name.range(of:searchString)}

self.tableView.reloadData()
}


func updateSearchResults(for searchController: UISearchController) {
self.filterContentForSearch(searchString: searchController.searchBar.text!)
}




func getData() {


var request = URLRequest(url: URL(string: "*********")!)
//request.httpMethod = "POST"
//let postString = "date="+x
//request.httpBody = postString.data(using: .utf8)
//print(request.httpBody)
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard let data = data, error == nil else { // check for fundamental networking error
print("error=\(error)")
return
}

if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 { // check for http errors
print("statusCode should be 200, but is \(httpStatus.statusCode)")
print("response = \(response)")
}

let responseString = String(data: data, encoding: .utf8)
print("responseString = \(responseString)")

do{

let json = try JSONSerialization.jsonObject(with: data, options:.allowFragments) as! [String:AnyObject]

if let stations = json["result"] as? [[String: AnyObject]] {
for station in stations {
let name = station["patient_name"] as! String
//self.login = login_value
let profile_pic = station["image"] as! String
let status = station["status"] as! String

let appo_id = station["id"] as! String
// let appo_id = station["appointment_id"] as! String
//let status = station["status"] as! String
//let appo_time = station["appointment_time"] as! String
//let appo_duration = station["time_duration"] as! String
//let reason = station["reason"] as! String
print(name,status)
let tableData = TableObject(name: name, image: profile_pic, appoId: appo_id)
self.tableDataSource.append(tableData)

}
//print(self.items)
//self.do_table_refresh();
self.tableView.reloadData()

}

}catch {
print("Error with Json: \(error)")
}

}
task.resume()
}

}

关于ios - 使用搜索栏 iOS swift 3 中的条目加载单元格时图像显示不正确,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/44793998/

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