Swift NSData contentsOfUrl返回零
我试图简单地从url获取jpeg图像,但当使用NSData和内容时,url返回nilSwift NSData contentsOfUrl返回零,swift,nsdata,Swift,Nsdata,我试图简单地从url获取jpeg图像,但当使用NSData和内容时,url返回nil let aString = "http://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xfp1/t31.0-8/q88/s720x720/10848858_907722502601079_2834541930671169073_o.jpg" let url = NSURL(fileURLWithPath: aString) let data = NSData(conte
let aString = "http://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xfp1/t31.0-8/q88/s720x720/10848858_907722502601079_2834541930671169073_o.jpg"
let url = NSURL(fileURLWithPath: aString)
let data = NSData(contentsOfURL: url!)
有什么想法吗?您正在尝试加载一个指向系统路径的远程文件 您试图实现的目标可以如下所示:
let aString = "http://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xfp1/t31.0-8/q88/s720x720/10848858_907722502601079_2834541930671169073_o.jpg"
let url = NSURL(string: aString)
let data = NSData(contentsOfURL: url!)
您正在尝试加载指向系统路径的远程文件 您试图实现的目标可以如下所示:
let aString = "http://fbcdn-sphotos-g-a.akamaihd.net/hphotos-ak-xfp1/t31.0-8/q88/s720x720/10848858_907722502601079_2834541930671169073_o.jpg"
let url = NSURL(string: aString)
let data = NSData(contentsOfURL: url!)