ios – 使用NSTextAttachment为NSAttributedString设置截断尾部的垂直对齐

概述我正在使用以下代码为iOS 8中的UILabel生成NSAttributedString. // a long long Chinese title NSString *title = @"这是一个很长很长很长很长很长很长的中文标题";// setup icon attachmentNSTextAttachment *iconAttachment = [[NSTextAttachment a 我正在使用以下代码为iOS 8中的UILabel生成NSAttributedString.

// a long long Chinese Title Nsstring *Title = @"这是一个很长很长很长很长很长很长的中文标题";// setup icon attachmentNSTextAttachment *iconAttachment = [[NSTextAttachment alloc] init];iconAttachment.image = [UIImage imagenamed:imagename];iconAttachment.bounds = bounds;NSAttributedString *ycardImageString = [NSAttributedString attributedStringWithAttachment:iconAttachment];// setup attributed textNSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:Title];if (shouldShowYcard) {    [attributedText insertAttributedString:ycardImageString atIndex:0];    [attributedText insertAttributedString:[[NSAttributedString alloc] initWithString:@" "] atIndex:1];    [attributedText addAttribute:NSBaselineOffsetAttributename value:@(offset) range:NSMakeRange(0,1)];}NSRange TitleRange = NSMakeRange(shouldShowYcard ? 2 : 0,Title.length);[attributedText addAttribute:NSFontAttributename value:Font range:TitleRange];[attributedText addAttribute:NSForegroundcolorAttributename value:color range:TitleRange];

然而,似乎NSTextAttachment将影响截断尾部的垂直位置,就像下面的图片一样.

有没有办法为截断的尾部设置垂直对齐？

我的目标是用中文底部对齐尾部.

这是test.的图标

解决方法 试试这一个

UILabel *lbl = [[UILabel alloc]initWithFrame:CGRectMake(50,300,30)];    [self.vIEw addSubvIEw:lbl];    Nsstring *t= @"这是一个很长很长很长很长很长很长的中文标题漢字";    NSTextAttachment *iconatt = [[NSTextAttachment alloc]init];    iconatt.image = [UIImage imagenamed:@"phnzY.png"];    iconatt.bounds = CGRectMake(0,44,22);    NSAttributedString *ycardstring = [NSAttributedString attributedStringWithAttachment:iconatt];    NSMutableAttributedString *attributedText = [[NSMutableAttributedString alloc] initWithString:t];    [attributedText insertAttributedString:ycardstring atIndex:0];    [attributedText insertAttributedString:[[NSAttributedString alloc] initWithString:@" "] atIndex:1];     [attributedText addAttribute:NSBaselineOffsetAttributename value:@(0.0) range:NSMakeRange(0,1)];        NSRange TitleRange = NSMakeRange( 0,t.length);    [attributedText addAttribute:NSFontAttributename value:[UIFont systemFontOfSize:22.0] range:TitleRange];    [attributedText addAttribute:NSForegroundcolorAttributename value:[UIcolor blackcolor] range:TitleRange];    lbl.attributedText = attributedText;

它会像这样给出输出

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