IOS7开发~NSAttributedString
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从 NSBundle 中读取rtf文本文件的内容,然后用UITextView展示:
NSURL *url = [[NSBundle mainBundle] URLForResource:@"Test.rtf"withExtension:nil];
NSMutableAttributedString *attributedText = [[NSMutableAttributedStringalloc]
initWithFileURL:url
options:@{}
documentAttributes:nil
error:nil];
// 返回相关联的字体,文字样式,并适当缩放用户选择的内容大小类别的一个实例。见UIFontDescriptor.h的完整列表
// + (UIFont *)preferredFontForTextStyle:(NSString *)style NS_AVAILABLE_IOS(7_0);
[attributedText addAttribute:NSFontAttributeName
value:[UIFontpreferredFontForTextStyle:UIFontTextStyleBody]
range:NSMakeRange(0, attributedText.length)];
UITextView *tView = [[UITextViewalloc] initWithFrame:CGRectMake(10,10, 300,400)
textContainer:nil];
tView.attributedText = attributedText;
[self.view addSubview:tView];
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