如何在iOS中使字符串的一部分变为粗体? [英] How to make part of a string bold in iOS?

问题描述

我想将文本字符串的某些部分加粗.

I want to make some part of a text string bold.

例如:这是粗体.这是正常的字符串.

Eg: This is to be bold. This is normal string.

在Android中，可以使用跨度字符串轻松实现.在iOS中相当于什么?

In Android, it can be easily achieved by using spannable strings. What is its equivalent in iOS?

推荐答案

是的，可以使用

Yes, it can be achieved with NSAttributedString:

NSString *yourString = @"This is to be bold. This is normal string.";
NSMutableAttributedString *yourAttributedString = [[NSMutableAttributedString alloc] initWithString:yourString];
NSString *boldString = @"This is to be bold";
NSRange boldRange = [yourString rangeOfString:boldString];
[yourAttributedString addAttribute: NSFontAttributeName value:[UIFont boldSystemFontOfSize:12] range:boldRange];
[yourLabel setAttributedText: yourAttributedString];

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