TextKit

NSAttributedString

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• 图文混排(富文本)

UILabel *label = [[UILabel alloc] init];

    NSMutableAttributedString *content = [[NSMutableAttributedString alloc] init];
    NSAttributedString *first = [[NSAttributedString alloc] initWithString:@"hello" attributes:@{NSForegroundColorAttributeName:[UIColor redColor]}];
    [content appendAttributedString:first];

    //创建附件
    NSTextAttachment *attachment = [[NSTextAttachment alloc] init];
    //附件添加图片
    attachment.image = [UIImage imageNamed:@"header_cry_icon"];
    attachment.bounds = CGRectMake(0, 0, label.font.lineHeight, label.font.lineHeight);
    NSAttributedString *attachmentString = [NSAttributedString attributedStringWithAttachment:attachment];
    //加入富文本中
    [content appendAttributedString:attachmentString];


    NSAttributedString *thired = [[NSAttributedString alloc] initWithString:@"你好" attributes:@{NSForegroundColorAttributeName:[UIColor purpleColor]}];
    [content appendAttributedString:thired];


    label.attributedText = content;
    label.frame = CGRectMake(100, 100, 200, 100);
    [self.view addSubview:label];