Swift 3中的Alamofire与iOS 8
问题描述:
我已经更新到最新版本的Xcode(8),并且在将代码升级到Swift 3之后,Alamofire突然停止工作并抛出许多错误。Swift 3中的Alamofire与iOS 8
经过大量研究,我发现Alamofire for Swift 3与iOS9 +兼容,所以现在我必须找到另一个适用于iOS8 +的版本。
你知道我应该如何为iOS8制作与Alamofire相同的功能?
答
我没有找到Alamofire for iOS 8的“真实”选择,所以我尝试使用Apple Swift本身的URLRequest。
因此,这里是我终于得到了尝试,尝试后(即使没有SwiftyJSON)的例子:
func searchPosts() -> [Post] {
var request = URLRequest(url: URL(string: "https://www.mywebsite.com/searchPosts.php")!)
request.httpMethod = "POST"
let postString = ""
request.httpBody = postString.data(using: .utf8)
request.addValue("application/json", forHTTPHeaderField: "Content-Type")
request.addValue("application/json", forHTTPHeaderField: "Accept")
let task = URLSession.shared.dataTask(with: request) { data, response, error in
if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode != 200 {
print(httpStatus.statusCode)
self.showError()
} else {
do {
self.listPosts = [Post]()
// Convert NSData to Dictionary where keys are of type String, and values are of any type
let json = try JSONSerialization.jsonObject(with: data!, options: JSONSerialization.ReadingOptions.mutableContainers) as! [String:AnyObject]
for field in json["posts"] as? [AnyObject] ?? [] {
// Create "Post" object
let post = Post(
id: (field["id"])! as! String,
title: (field["title"] as! String),
alias: (field["alias"] as! String),
catid: (field["catid"] as! String),
catname: (field["catname"] as! String),
date: (field["date"] as! String),
image: (field["image"] as! String),
introtext: (field["introtext"] as! String),
fulltext: (field["fulltext"] as! String)
)
self.listPosts.append(post)
}
DispatchQueue.main.async {
self.tableView.reloadData()
}
} catch {
self.showError()
}
}
}
task.resume()
return listPosts
}
我希望这可以帮助其他开发人员。如果有人发现另一个可能的解决方案,我会非常感激。
问候
一种解决方案可以是使用AFNetworking(目标c )。这也相当容易使用迅速。 (要安装请参阅http://www.davidebettio.com/use-afnetworking-with-swift/) – Olof