This is a simple integration of HTTP transmission, upload and download functions. It is a rare and good tool for iOS engineers.
這是一個簡單的HTTP傳輸、上傳、下載功能整合,是iOS工程師不可多得的好工具。
dependencies: [
.package(url: "https://github.com/William-Weng/WWNetworking.git", .upToNextMajor(from: "1.1.0"))
]
import UIKit
import WWNetworking
final class ViewController: UIViewController {
@IBOutlet weak var resultTextField: UITextView!
@IBOutlet var resultImageViews: [UIImageView]!
@IBOutlet var resultProgressLabels: [UILabel]!
private let ImageUrlInfos: [String] = [
("https://images-assets.nasa.gov/image/PIA18033/PIA18033~orig.jpg"),
("https://images-assets.nasa.gov/image/KSC-20210907-PH-KLS01_0009/KSC-20210907-PH-KLS01_0009~orig.jpg"),
("https://images-assets.nasa.gov/image/iss065e095794/iss065e095794~orig.jpg"),
]
private let UrlStrings = [
"GET": "https://httpbin.org/get",
"POST": "https://httpbin.org/post",
"DOWNLOAD": "https://raw.githubusercontent.com/William-Weng/AdobeIllustrator/master/William-Weng.png",
"UPLOAD": "http://172.16.20.43:8080/fileupload",
"FRAGMENT": "https://photosku.com/images_file/images/i000_803.jpg",
]
override func viewDidLoad() { super.viewDidLoad() }
@IBAction func httpGetAction(_ sender: UIButton) { httpGetTest() }
@IBAction func httpPostAction(_ sender: UIButton) { httpPostTest() }
@IBAction func httpDownloadAction(_ sender: UIButton) { httpDownloadData() }
@IBAction func httpFragmentDownloadAction(_ sender: UIButton) { fragmentDownloadData() }
@IBAction func httpMultipleDownloadAction(_ sender: UIButton) { httpMultipleDownload() }
@IBAction func httpUploadAction(_ sender: UIButton) { httpUploadData() }
@IBAction func httpFragmentUpLoad(_ sender: UIButton) { httpFragmentUploadData() }
}
// MARK: - ViewController (private class function)
extension ViewController {
/// 測試GET (GET不能有httpBody)
private func httpGetTest() {
let urlString = UrlStrings["GET"]!
let parameters: [String: String?] = ["name": "William.Weng", "github": "https://william-weng.github.io/"]
WWNetworking.shared.request(with: .GET, urlString: urlString, paramaters: parameters) { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let info): self.displayText(info.data?._jsonSerialization())
}
}
}
/// 測試POST
private func httpPostTest() {
let urlString = UrlStrings["POST"]!
let parameters: [String: String?] = ["name": "William.Weng", "github": "https://william-weng.github.io/"]
WWNetworking.shared.request(with: .POST, urlString: urlString, paramaters: nil, httpBody: parameters._jsonSerialization()) { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let info): self.displayText(info.data?._jsonSerialization())
}
}
}
/// 上傳圖片
private func httpUploadData() {
let urlString = UrlStrings["UPLOAD"]!
let imageData = resultImageViews[0].image?.pngData()
WWNetworking.shared.upload(urlString: urlString, parameters: ["file_to_upload": imageData!], filename: "Demo.png") { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let info): self.displayText("\(info.data?._jsonSerialization() ?? "NOT JSON")")
}
}
}
/// 上傳圖片 (大型檔案)
private func httpFragmentUploadData() {
let urlString = UrlStrings["UPLOAD"]!
let index = 1
let imageData = resultImageViews[index].image?.pngData()
_ = WWNetworking.shared.fragmentUpload(urlString: urlString, parameters: ["x-filename": imageData!], filename: "Large.png", progress: { info in
let progress = Float(info.totalBytesSent) / Float(info.totalBytesExpectedToSend)
DispatchQueue.main.async { self.title = "\(progress)" }
}, completion: { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let isSuccess): self.displayText(isSuccess)
}
})
}
/// 下載檔案 (單個)
private func httpDownloadData() {
let urlString = UrlStrings["DOWNLOAD"]!
let index = 0
self.displayText("")
_ = WWNetworking.shared.download(urlString: urlString, progress: { info in
let progress = Float(info.totalWritten) / Float(info.totalSize)
self.displayProgressWithIndex(index, progress: progress)
}, completion: { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let info): self.displayImageWithIndex(index, data: info.data)
}
})
}
/// 分段下載 (單一檔案分多點合併下載)
private func fragmentDownloadData() {
let urlString = UrlStrings["FRAGMENT"]!
let index = 1
let fragmentCount = 10
self.displayText("")
WWNetworking.shared.fragmentDownload(with: urlString, fragment: fragmentCount, progress: { info in
let progress = Float(info.totalWritten) / Float(info.totalSize)
self.displayProgressWithIndex(index, progress: progress)
}, completion: { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let data): self.displayImageWithIndex(index, data: data)
}
})
}
/// 下載檔案 (多個檔案)
private func httpMultipleDownload() {
resultImageViews.forEach { $0.image = nil }
let _ = WWNetworking.shared.multipleDownload(urlStrings: ImageUrlInfos) { info in
guard let index = self.displayImageIndex(urlStrings: self.ImageUrlInfos, urlString: info.urlString),
let progress = Optional.some(Float(info.totalWritten) / Float(info.totalSize))
else {
return
}
self.displayProgressWithIndex(index, progress: progress)
} completion: { result in
switch result {
case .failure(let error): self.displayText(error)
case .success(let info):
guard let index = self.displayImageIndex(urlStrings: self.ImageUrlInfos, urlString: info.urlString) else { return }
self.displayImageWithIndex(index, data: info.data)
}
}
}
}
// MARK: - 小工具 (class function)
extension ViewController {
/// 顯示進度百分比
/// - Parameters:
/// - index: Int
/// - progress: Float
private func displayProgressWithIndex(_ index: Int, progress: Float) {
self.resultProgressLabels[index].text = "\(progress * 100.0) %"
}
/// 顯示圖片
/// - Parameters:
/// - index: Int
/// - data: Data?
private func displayImageWithIndex(_ index: Int, data: Data?) {
guard let data = data else { return }
self.resultImageViews[index].image = UIImage(data: data)
}
/// 顯示文字
/// - Parameter text: Any?
private func displayText(_ text: Any?) {
DispatchQueue.main.async { self.resultTextField.text = "\(text ?? "NULL")" }
}
/// 尋找UIImageViewd的index
/// - Parameters:
/// - urlStrings: [String]
/// - urlString: String?
/// - Returns: Int?
private func displayImageIndex(urlStrings: [String], urlString: String?) -> Int? {
guard let urlString = urlString,
let index = urlStrings.firstIndex(of: urlString)
else {
return nil
}
return index
}
}
// MARK: - Dictionary (class function)
extension Dictionary {
/// Dictionary => JSON Data
/// - ["name":"William"] => {"name":"William"} => 7b226e616d65223a2257696c6c69616d227d
/// - Returns: Data?
func _jsonSerialization() -> Data? {
guard JSONSerialization.isValidJSONObject(self),
let data = try? JSONSerialization.data(withJSONObject: self, options: JSONSerialization.WritingOptions())
else {
return nil
}
return data
}
}
// MARK: - Data (class function)
extension Data {
/// Data => JSON
/// - 7b2268747470223a2022626f6479227d => {"http": "body"}
/// - Returns: Any?
func _jsonSerialization(options: JSONSerialization.ReadingOptions = .allowFragments) -> Any? {
let json = try? JSONSerialization.jsonObject(with: self, options: options)
return json
}
}
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