摘要:本文将带你了解IOS开发入门下载文件(代码实例),希望本文对大家学IOS有所帮助。
本文将带你了解IOS开发入门下载文件(代码实例),希望本文对大家学IOS有所帮助。
iOS开发之下载文件(代码实例)
– (void)downloadFile{
NSString *urlStr = @”XXX.mp3″;
urlStr = [urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *url = [NSURL URLWithString:urlStr];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDownloadTask *downloadTask = [session downloadTaskWithRequest:request completionHandler:^(NSURL * _Nullablelocation, NSURLResponse * _Nullableresponse, NSError * _Nullableerror) {
if(!error) {
NSError *saveError;
NSString *cachePath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
NSString *savePath = [cachePath stringByAppendingPathComponent:@”ceshi.mp3″];
NSURL *saveUrl = [NSURL fileURLWithPath:savePath];
//把下载的内容从cache复制到document下
[[NSFileManager defaultManager] copyItemAtURL:location toURL:saveUrl error:&saveError];
if(!saveError) {
NSLog(@”save success”);
NSLog(@”save error:%@”,saveError.localizedDescription);
NSLog(@”download error:%@”,error.localizedDescription);
[downloadTask resume];
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本文将带你了解IOS开发入门下载文件(代码实例),希望本文对大家学IOS有所帮助。
iOS开发之下载文件(代码实例)
– (void)downloadFile{
NSString *urlStr = @”XXX.mp3″;
urlStr = [urlStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSURL *url = [NSURL URLWithString:urlStr];
NSMutableURLRequest *request = [NSMutableURLRequest requestWithURL:url];
NSURLSession *session = [NSURLSession sharedSession];
NSURLSessionDownloadTask *downloadTask = [session downloadTaskWithRequest:request completionHandler:^(NSURL * _Nullablelocation, NSURLResponse * _Nullableresponse, NSError * _Nullableerror) {
if(!error) {
NSError *saveError;
NSString *cachePath = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
NSString *savePath = [cachePath stringByAppendingPathComponent:@”ceshi.mp3″];
NSURL *saveUrl = [NSURL fileURLWithPath:savePath];
//把下载的内容从cache复制到document下
[[NSFileManager defaultManager] copyItemAtURL:location toURL:saveUrl error:&saveError];
if(!saveError) {
NSLog(@”save success”);
NSLog(@”save error:%@”,saveError.localizedDescription);
NSLog(@”download error:%@”,error.localizedDescription);
[downloadTask resume];
本文由职坐标整理并发布,希望对同学们有所帮助。了解更多详情请关注职坐标移动开发之IOS频道!