如何获取值json [英] How to get value json
本文介绍了如何获取值json的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试创建一个应用程序
可保存来自Reddit的视频
import UIKit
struct Country:Decodable {
let fallback_url: String
}
class ViewController: UIViewController {
@IBOutlet weak var textUrl: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
}
@IBAction func btnDownload(_ sender: Any) {
let linkk = (textUrl.text!)
let url = "\(linkk).json"
let urlObj = URL(string: url)
URLSession.shared.dataTask(with: urlObj!) { (data, response, error) in
do {
let countries = try JSONDecoder().decode([Country].self, from: data!)
for country in countries {
print(country.fallback_url)
}
} catch {
print("Error")
}
}.resume()
}
}
https://www.reddit.com/r/iOS编程/评论/acmuxu/parallax_table_view_header/.json
请帮助我阅读该值 预先感谢
解决方案
我已经从 HERE 是您JSON
的链接. /p>
您可以通过以下方式从响应中获得fallback_url
:
@IBAction func btnDownload(_ sender: Any) {
let url = "https://www.reddit.com/r/iOSProgramming/comments/acmuxu/parallax_table_view_header/.json"
let urlObj = URL(string: url)
URLSession.shared.dataTask(with: urlObj!) { (data, response, error) in
do {
let countries = try JSONDecoder().decode(Transactiondetails.self, from: data!)
for country in countries {
let childrens = country.data.children
for child in childrens {
if let secureMedia = child.data.secureMedia {
let fallback_url = secureMedia.redditVideo.fallbackURL
print(fallback_url)
}
}
}
} catch {
print("Error")
}
}.resume()
}
检出 DEMO 项目以获取更多信息.
I am trying to create an application
that saves video from Reddit
import UIKit
struct Country:Decodable {
let fallback_url: String
}
class ViewController: UIViewController {
@IBOutlet weak var textUrl: UITextField!
override func viewDidLoad() {
super.viewDidLoad()
}
@IBAction func btnDownload(_ sender: Any) {
let linkk = (textUrl.text!)
let url = "\(linkk).json"
let urlObj = URL(string: url)
URLSession.shared.dataTask(with: urlObj!) { (data, response, error) in
do {
let countries = try JSONDecoder().decode([Country].self, from: data!)
for country in countries {
print(country.fallback_url)
}
} catch {
print("Error")
}
}.resume()
}
}
https://www.reddit.com/r/iOSProgramming/comments/acmuxu/parallax_table_view_header/.json
Please help me to read the value Thanks in advance
解决方案
I have created Codable
from the JSON
you provided from HERE And HERE is the link with your JSON
.
And you can get fallback_url
below way from response:
@IBAction func btnDownload(_ sender: Any) {
let url = "https://www.reddit.com/r/iOSProgramming/comments/acmuxu/parallax_table_view_header/.json"
let urlObj = URL(string: url)
URLSession.shared.dataTask(with: urlObj!) { (data, response, error) in
do {
let countries = try JSONDecoder().decode(Transactiondetails.self, from: data!)
for country in countries {
let childrens = country.data.children
for child in childrens {
if let secureMedia = child.data.secureMedia {
let fallback_url = secureMedia.redditVideo.fallbackURL
print(fallback_url)
}
}
}
} catch {
print("Error")
}
}.resume()
}
Check Out DEMO project for more info.
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