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NSURL *URL = [NSURL URLWithString:@https://cdn.sencha.com/ext/gpl/ext-4.2.1-gpl.zip]; NSURLRequest *request = [NSURLRequest requestWithURL:URL]; //下载请求 AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request]; //正确的下载路径 [self getImagePath:@3.zip] //错误的路径 // NSArray *path = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); // NSString *docPath = [path objectAtIndex:0]; operation.outputStream = [NSOutputStream outputStreamToFileAtPath:[self getImagePath:@3.zip] append:YES]; //下载进度回调 [operation setDownloadProgressBlock:^(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead) { //下载进度 float progress = ((float)totalBytesRead) / (totalBytesExpectedToRead); NSLog(@%f,progress); }]; //成功和失败回调 [operation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, id responseObject) { NSLog(@ok); } failure:^(AFHTTPRequestOperation *operation, NSError *error) { NSLog(@%@,error); }]; [operation start];
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