在 Swift 4.2 中将 JSON 显示为 TableView 部分和 TableView 行而没有可解码? [英] Show JSON as TableView Section and TableView row in Swift 4.2 without Decodable?

问题描述

我有以下带有关键事件"的 JSON 响应数组

<代码>{事件":[{"name": "事件 foo","日期": "2020-05-22","时间": "7:00","am_or_pm": "下午","day": "星期六",描述":测试"},{"name": "事件栏","日期": "2020-05-22","时间": "7:00","am_or_pm": "下午","day": "星期六",描述":测试2"},{"name": "事件 foobar","日期": "2020-05-24","时间": "11:00","am_or_pm": "下午","day": "星期六",描述":测试3"},{"name": "事件 foobar","日期": "2020-05-24","时间": "11:00","am_or_pm": "下午","day": "星期六",描述":测试3"}]}

我想在 TableView 中将上面的 JSON 响应显示为:date"键应该是TableView Section分组，Rows应该是name"键

可以帮我吗，我将如何做到这一点，提前致谢.

解决方案

我使用 Alamofire 5.0 完成了上述解决方案，以下是我的完整解决方案，以便它可以帮助某人:

<块引用>

//创建一个名为Event"的模态类

class 事件 {变量名称:字符串?var 日期:字符串?变量时间:字符串?var amOrPm:字符串?var day:字符串?变量描述:字符串?init(dic: [字符串: 任何]) {if let name = dic["name"] as?细绳 {self.name = 姓名}if let date = dic["date"] as?细绳 {self.date = 日期}if let time = dic["time"] as?细绳 {self.time = 时间}如果让 amOrPm = dic["am_or_pm"] 作为?细绳 {self.amOrPm = amOrPm}如果让 day = dic["day"] 作为?细绳 {self.day = 天}if let description = dic["description"] as?细绳 {self.description = 描述}}}

<块引用>

//为 URL 创建全局类

import Alamofire类 HttpManager {结构常量{static let baseUrl = "https://my-json-server.typicode.com/JCkshone/jsonTest"}func getEvents(handledResponse: @escaping (_ data: [[String: Any]])->()) {让请求 = AF.request("\(Constants.baseUrl)/db")request.responseJSON { (response: AFDataResponse) in守卫让数据= response.value as?[字符串:任何]其他{返回}if let events: [[String: Any]] = data["events"] as?[[字符串:任意]] {处理响应(事件)}}}}

//最后是 ViewController.swift

struct SectionEvent {var 部分名称:字符串var event: [事件]}类视图控制器:UIViewController {@IBOutlet 弱变量 tableView:UITableView！让 http = HttpManager()var 事件:[事件] = []var tableViewData: [SectionEvent] = []让单元格 = "cellId"覆盖 func viewDidLoad() {super.viewDidLoad()获取数据()initTableView()}功能 fetchData() {http.getEvents { (data: [[String : Any]]) 在data.forEach { 项目在self.events.append(Event(dic: item))}self.buildData()}}功能构建数据(){events.forEach { 事件在让验证 = validateEventExist(事件:事件)如果 !validation.exist {tableViewData.append(SectionEvent(sectionName: event.date ?? "", event: [event]))} 别的 {tableViewData[validation.position].evenst.append(event)}}self.tableView.reloadData()}func validateEventExist(event: Event) ->(存在:布尔，位置:整数){让 filterData = tableViewData.filter {$0.sectionName == event.date}让 index = tableViewData.firstIndex { $0.sectionName == event.date}返回 (filterData.count > 0, index ?? 0)}func initTableView() {tableView.register(UITableViewCell.self, forCellReuseIdentifier: cell)tableView.tableHeaderView = UIView()}}扩展视图控制器:UITableViewDataSource，UITableViewDelegate {func tableView(_ tableView: UITableView, titleForHeaderInSection 部分: Int) ->细绳?{tableViewData[section].sectionName}func numberOfSections(in tableView: UITableView) ->整数{tableViewData.count}func tableView(_ tableView: UITableView, numberOfRowsInSection 部分: Int) ->整数{tableViewData[section].evenst.count}func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) ->UITableViewCell {let cell = tableView.dequeueReusableCell(withIdentifier: "cellId", for: indexPath)if let name = tableViewData[indexPath.section].evenst[indexPath.row].name, let description = tableViewData[indexPath.section].evenst[indexPath.row].description {cell.textLabel?.text = "\(name) \n\(description)"cell.textLabel?.numberOfLines = 0}返回单元格}}

I have below JSON response array with key "events"

{
  "events": [
 {
  "name": "event foo",
  "date": "2020-05-22",
  "time": "7:00",
  "am_or_pm": "PM",
  "day": "Saturday",
  "description": "test "
},
{
  "name": "event bar",
  "date": "2020-05-22",
  "time": "7:00",
  "am_or_pm": "PM",
  "day": "Saturday",
  "description": "test2"
},
{
  "name": "event foobar",
  "date": "2020-05-24",
  "time": "11:00",
  "am_or_pm": "PM",
  "day": "Saturday",
  "description": "test3"
}, 
{
  "name": "event foobar",
  "date": "2020-05-24",
  "time": "11:00",
  "am_or_pm": "PM",
  "day": "Saturday",
  "description": "test3"
 }
]
}

I want to show above JSON response in TableView as : "date" key should be TableView Section grouped and Rows as "name" key

Could some help me how will i do that thanks in advance.

解决方案

I did above solutions using Alamofire 5.0 and below is my complete solutions so that it can help someone:

// Create a Modal Class of name "Event"

class Event {
    var name: String?
    var date: String?
    var time: String?
    var amOrPm: String?
    var day: String?
    var description: String?



init(dic: [String: Any]) {
    if let name = dic["name"] as? String {
        self.name = name
    }
    if let date = dic["date"] as? String {
        self.date = date
    }
    if let time = dic["time"] as? String {
        self.time = time
    }
    if let amOrPm = dic["am_or_pm"] as? String {
        self.amOrPm = amOrPm
    }
    if let day = dic["day"] as? String {
        self.day = day
    }
    if let description = dic["description"] as? String {
        self.description = description
    }
    }
}

// Creating a Global Class for URL

import Alamofire

class HttpManager {
    struct Constants {
        static let baseUrl = "https://my-json-server.typicode.com/JCkshone/jsonTest"
    }

    func getEvents(handledResponse: @escaping (_ data: [[String: Any]])->()) {
        let request = AF.request("\(Constants.baseUrl)/db")

        request.responseJSON { (response: AFDataResponse<Any>) in
            guard let data = response.value as? [String: Any] else { return }
            if let events: [[String: Any]] = data["events"] as? [[String: Any]] {
                handledResponse(events)
            }
        }
    }
}

// Finally ViewController.swift

struct SectionEvent {
    var sectionName: String
    var evenst: [Event]
}

class ViewController: UIViewController {
    @IBOutlet weak var tableView: UITableView!
    let http  = HttpManager()
    var events: [Event] = []
    var tableViewData: [SectionEvent] = []
    let cell = "cellId"

    override func viewDidLoad() {
        super.viewDidLoad()
        fetchData()
        initTableView()
    }

    func fetchData() {
        http.getEvents { (data: [[String : Any]]) in
            data.forEach { item in
                self.events.append(Event(dic: item))
            }
            self.buildData()
        }
    }

    func buildData() {
        events.forEach { event in

        let validation = validateEventExist(event: event)
        if !validation.exist {
            tableViewData.append(SectionEvent(sectionName: event.date ?? "", evenst: [event]))
        } else {
            tableViewData[validation.position].evenst.append(event)
        }
    }
    self.tableView.reloadData()
}

func validateEventExist(event: Event) -> (exist: Bool, position: Int) {
    let filterData = tableViewData.filter {$0.sectionName == event.date}
    let index = tableViewData.firstIndex { $0.sectionName == event.date}
    return (filterData.count > 0, index ?? 0)
}

    func initTableView() {
        tableView.register(UITableViewCell.self, forCellReuseIdentifier: cell)
        tableView.tableHeaderView = UIView()
    }
}

extension ViewController: UITableViewDataSource, UITableViewDelegate {


func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
    tableViewData[section].sectionName
}

func numberOfSections(in tableView: UITableView) -> Int {
    tableViewData.count
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    tableViewData[section].evenst.count
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCell(withIdentifier: "cellId", for: indexPath)
    if let name = tableViewData[indexPath.section].evenst[indexPath.row].name, let description = tableViewData[indexPath.section].evenst[indexPath.row].description {
        cell.textLabel?.text = "\(name) \n\(description)"
        cell.textLabel?.numberOfLines = 0
    }

    return cell
   }
}

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