iphone ios 如何在同一行中显示不同字体,颜色文本(UILabel)

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同一行文字可以显示不同的字体,加粗,斜体,颜色的文本,同时还能反馈点击事件。

继承自UILabel

1。来自开源代码TTTAttributedLabel

https://github.com/mattt/TTTAttributedLabel

2。涉及到一个概念NSMutableAttributedString, 这个东西好像主要用在html和文本见转换用,具体用法见下面的代码

3。如何使用:

#import "TTTAttributedLabel.h"
#import <UIKit/UIKit.h>
#import <CoreText/CoreText.h>
self.summaryLabel = [[[TTTAttributedLabel alloc] initWithFrame:CGRectMake(100, 100, 100, 100)] autorelease];
self.summaryLabel.font = [UIFont systemFontOfSize:kSummaryTextFontSize];
self.summaryLabel.textColor = [UIColor blackColor];
self.summaryLabel.lineBreakMode = UILineBreakModeWordWrap;
self.summaryLabel.numberOfLines = 0;
self.summaryLabel.linkAttributes = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:YES] forKey:(NSString *)kCTUnderlineStyleAttributeName];

self.summaryLabel.highlightedTextColor = [UIColor redColor];
self.summaryLabel.shadowColor = [UIColor colorWithWhite:0.87 alpha:1.0];
self.summaryLabel.shadowOffset = CGSizeMake(0.0f, 1.0f);
self.summaryLabel.verticalAlignment = TTTAttributedLabelVerticalAlignmentTop;

NSMutableAttributedString * tttstring = [[NSMutableAttributedString alloc] initWithString:@"firstsecondthird"];
UIFont *italicSystemFont = [UIFont italicSystemFontOfSize:kSummaryTextFontSize];
CTFontRef italicFont = CTFontCreateWithName((CFStringRef)italicSystemFont.fontName, italicSystemFont.pointSize, NULL);
if(italicFont){
    [tttstring addAttribute:(NSString *)kCTFontAttributeName value:(id)italicFont range:NSMakeRange(5,6)];
}
CFRelease(italicFont);
[tttstring addAttribute:(NSString*)kCTForegroundColorAttributeName value:(id)[[UIColor redColor] CGColor] range:NSMakeRange(0,5)];
[self.summaryLabel setText:tttstring];



效果图见

iphone ios 如何在同一行中显示不同字体,颜色文本(UILabel)_第1张图片


4.推荐文章

如何让 iOS 和 Android 支持自定义字体

http://icyleaf.com/2011/07/06/custom-fonts-both-in-ios-and-android/

自定义字体的UILabel

http://pimacun.72pines.com/2011/05/09/%E8%87%AA%E5%AE%9A%E4%B9%89%E5%AD%97%E4%BD%93%E7%9A%84uilabel/

http://blog.csdn.net/microchenhong/article/details/6542994


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