fontLabel.font = [UIFont fontWithName:@"Marion" size:17];

/*UIFontDescriptorFamilyAttribute：设置字体家族名UIFontDescriptorNameAttribute  ：设置字体的字体名UIFontDescriptorSizeAttribute  ：设置字体尺寸UIFontDescriptorMatrixAttribute：设置字体形变*/UIFontDescriptor *attributeFontDescriptor = [UIFontDescriptor fontDescriptorWithFontAttributes:@{UIFontDescriptorFamilyAttribute: @"Marion",UIFontDescriptorNameAttribute:@"Marion-Regular",UIFontDescriptorSizeAttribute: @40.0,UIFontDescriptorMatrixAttribute:[NSValue valueWithCGAffineTransform:CGAffineTransformMakeRotation(M_1_PI*1.5)]}];fnotLabel.font = [UIFont fontWithDescriptor:attributeFontDescriptor size:0.0];

NSLog(@"familyNames：%@",[UIFont familyNames]);

- (void)asynchronouslySetFontName:(NSString *)fontName
{UIFont* aFont = [UIFont fontWithName:fontName size:24];// If the font is already downloadedif (aFont && ([aFont.fontName compare:fontName] == NSOrderedSame || [aFont.familyName compare:fontName] == NSOrderedSame)) {// Go ahead and display the sample text._fLabelView.text = @"欢迎查看我的博客";_fLabelView.font = [UIFont fontWithName:fontName size:24];return;}// Create a dictionary with the font's PostScript name.NSMutableDictionary *attrs = [NSMutableDictionary dictionaryWithObjectsAndKeys:fontName, kCTFontNameAttribute, nil];// Create a new font descriptor reference from the attributes dictionary.CTFontDescriptorRef desc = CTFontDescriptorCreateWithAttributes((__bridge CFDictionaryRef)attrs);NSMutableArray *descs = [NSMutableArray arrayWithCapacity:0];[descs addObject:(__bridge id)desc];CFRelease(desc);__block BOOL errorDuringDownload = NO;// Start processing the font descriptor..// This function returns immediately, but can potentially take long time to process.// The progress is notified via the callback block of CTFontDescriptorProgressHandler type.// See CTFontDescriptor.h for the list of progress states and keys for progressParameter dictionary.CTFontDescriptorMatchFontDescriptorsWithProgressHandler( (__bridge CFArrayRef)descs, NULL,  ^(CTFontDescriptorMatchingState state, CFDictionaryRef progressParameter) {//NSLog( @"state %d - %@", state, progressParameter);double progressValue = [[(__bridge NSDictionary *)progressParameter objectForKey:(id)kCTFontDescriptorMatchingPercentage] doubleValue];if (state == kCTFontDescriptorMatchingDidBegin) {dispatch_async( dispatch_get_main_queue(), ^ {// Show an activity indicatorNSLog(@"Begin Matching");});} else if (state == kCTFontDescriptorMatchingDidFinish) {dispatch_async( dispatch_get_main_queue(), ^ {// Remove the activity indicator// Display the sample text for the newly downloaded font_fLabelView.text = @"欢迎查看我的博客";_fLabelView.font = [UIFont fontWithName:fontName size:24];// Log the font URL in the consoleCTFontRef fontRef = CTFontCreateWithName((__bridge CFStringRef)fontName, 0., NULL);CFStringRef fontURL = CTFontCopyAttribute(fontRef, kCTFontURLAttribute);NSLog(@"%@", (__bridge NSURL*)(fontURL));CFRelease(fontURL);CFRelease(fontRef);if (!errorDuringDownload) {NSLog(@"%@ downloaded", fontName);}});} else if (state == kCTFontDescriptorMatchingWillBeginDownloading) {dispatch_async( dispatch_get_main_queue(), ^ {// Show a progress bar
             NSLog(@"Begin Downloading");});} else if (state == kCTFontDescriptorMatchingDidFinishDownloading) {dispatch_async( dispatch_get_main_queue(), ^ {// Remove the progress bar
NSLog(@"Finish downloading");});} else if (state == kCTFontDescriptorMatchingDownloading) {dispatch_async( dispatch_get_main_queue(), ^ {// Use the progress bar to indicate the progress of the downloadingNSLog(@"Downloading %.0f%% complete", progressValue);});} else if (state == kCTFontDescriptorMatchingDidFailWithError) {// An error has occurred.// Get the error messageNSError *error = [(__bridge NSDictionary *)progressParameter objectForKey:(id)kCTFontDescriptorMatchingError];if (error != nil) {_errorMessage = [error description];} else {_errorMessage = @"ERROR MESSAGE IS NOT AVAILABLE!";}// Set our flagerrorDuringDownload = YES;dispatch_async( dispatch_get_main_queue(), ^ {NSLog(@"Download error: %@", _errorMessage);});}return (bool)YES;});
}

- (void)viewDidLoad {[super viewDidLoad];// Do any additional setup after loading the view, typically from a nib._fLabelView = [[UITextView alloc] initWithFrame:CGRectMake(50, 100, 250, 100)];[self.view addSubview:_fLabelView];[self asynchronouslySetFontName:@"HanziPenSC-W3"];}