Lan Yi Education Session Download

Session Download Task

"No download Process"

NSString *path = @ "";

Nsurl *url = [Nsurl Urlwithstring:path];

Nsurlsession *session = [Nsurlsession sharedsession];

Nsmutableurlrequest *request = [Nsmutableurlrequest Requestwithurl:url];

Nsurlsessiondownloadtask *task = [Session downloadtaskwithrequest:request completionhandler:^ (NSURL * _Nullable Location, Nsurlresponse * _nullable response, Nserror * _nullable error) {

Nsfilemanager *FM = [Nsfilemanager Defaultmanager];

[FM moveitematurl:location tourl:[nsurl fileurlwithpath:@ "/users/nil/desktop/song.mp3"] error:nil];

}];

[Task resume];

"There is a download process"

NSString *path = @ "";

Nsurl *url = [Nsurl Urlwithstring:path];

Nsmutableurlrequest *request = [Nsmutableurlrequest Requestwithurl:url];

Nsurlsessionconfiguration *config = [Nsurlsessionconfiguration defaultsessionconfiguration];

Nsurlsession *session = [nsurlsession sessionwithconfiguration:config delegate:self DelegateQueue:[NSOperationQueue Mainqueue]];

Nsurlsessiondownloadtask *task = [session downloadtaskwithrequest:request];

[Task resume];

-(void) Urlsession: (Nsurlsession *) session Downloadtask: (Nsurlsessiondownloadtask *) Downloadtask Didwritedata: ( int64_t) Byteswritten Totalbyteswritten: (int64_t) Totalbyteswritten totalbytesexpectedtowrite: (int64_t) totalbytesexpectedtowrite{

Size per part, total size, current downloaded size

NSLog (@ "%LLD---%lld---%lld", byteswritten,totalbytesexpectedtowrite,totalbyteswritten);

self.myPV.progress = Totalbyteswritten*1.0/totalbytesexpectedtowrite;

}

-(void) Urlsession: (Nsurlsession *) session Downloadtask: (Nsurlsessiondownloadtask *) downloadtask

Didfinishdownloadingtourl: (Nsurl *) location{

Nsfilemanager *FM = [Nsfilemanager Defaultmanager];

[FM moveitematurl:location tourl:[nsurl fileurlwithpath:@ "/users/nil/desktop/haha.mp3"] error:nil];

}

Lan Yi Education Session Download