本文介绍了无法将“NSMutableURLRequest"(0x11beb7040)类型的值转换为“Alamofire.URLRequestConvertible"(0x11beb9040)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
当构建我的代码时,在 Alamofire.request(request as!URLRequestConvertible).responseJSON()
上崩溃.请建议如何解决此崩溃
when build my code then crash on Alamofire.request(request as! URLRequestConvertible).responseJSON()
. pls suggest how to fix this crash
let url = NSURL(string: "https://jsonplaceholder.typicode.com/users")
let request = NSMutableURLRequest(url:url! as URL)
request.httpMethod = "GET"
request.setValue("application/json", forHTTPHeaderField: "Content-Type")
Alamofire.request(request as! URLRequestConvertible).responseJSON(){ response in
switch response.result
{
case .success(let data):
print(" i got my Data Yup",data)
case .failure(let error):
print(error)
}
}
推荐答案
在 Swift 3 中,您只需将 NSMutableURLRequest 更改为 URLRequest 即可.没必要投.此外,设置 var 以便它可以快速可变.:) 谢谢,马库斯发表评论.
In Swift 3, all you have to do is to change NSMutableURLRequest to URLRequest and it will work. No need to cast.Also, set var so it can be swift mutable. :) Thanks, Markus for comment.
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