TTTAttributedLabel 使用方法

 TTTAttributedLabel 库地址 https://github.com/TTTAttributedLabel/TTTAttributedLabel

#import "ViewController.h"

@interface ViewController () <TTTAttributedLabelDelegate, UIActionSheetDelegate>

@end

@implementation ViewController

static inline NSRegularExpression * NameRegularExpression() {

    static NSRegularExpression *_nameRegularExpression = nil;

    

    static dispatch_once_t onceToken;

    dispatch_once(&onceToken, ^{

        _nameRegularExpression = [[NSRegularExpression alloc] initWithPattern:@"^\\w+" options:NSRegularExpressionCaseInsensitive error:nil];

    });

    

    return _nameRegularExpression;

}

- (void)viewDidLoad {

    [super viewDidLoad];

    

    TTTAttributedLabel *label = [[TTTAttributedLabel alloc] initWithFrame:CGRectMake(100, 120, 120, 60)];

    label.font = [UIFont systemFontOfSize:14];

    label.textColor = [UIColor blackColor];

    label.lineBreakMode = NSLineBreakByCharWrapping;

    label.numberOfLines = 0;

    //设置高亮颜色

    label.highlightedTextColor = [UIColor greenColor];

    

    //检测url

    label.enabledTextCheckingTypes = NSTextCheckingTypeLink;

    

    //对齐方式

    label.verticalAlignment = TTTAttributedLabelVerticalAlignmentCenter;

    

    //行间距

    label.lineSpacing = 8;

    

    //设置阴影

    label.shadowColor = [UIColor grayColor];

    

    label.delegate = self; // Delegate

    //NO 不显示下划线

    label.linkAttributes = [NSDictionary dictionaryWithObject:[NSNumber numberWithBool:NO] forKey:(NSString *)kCTUnderlineStyleAttributeName];

    

    NSString *text = @"冷清风 赞了 王战 的说说";

    

    [label setText:text afterInheritingLabelAttributesAndConfiguringWithBlock:^ NSMutableAttributedString *(NSMutableAttributedString *mutableAttributedString)

    {

        

        //设置可点击文字的范围

        NSRange boldRange = [[mutableAttributedString string] rangeOfString:@"冷清风" options:NSCaseInsensitiveSearch];

        

        //设定可点击文字的的大小

        UIFont *boldSystemFont = [UIFont boldSystemFontOfSize:16];

        CTFontRef font = CTFontCreateWithName((__bridge CFStringRef)boldSystemFont.fontName, boldSystemFont.pointSize, NULL);

    

        if (font) {

            

            //设置可点击文本的大小

            [mutableAttributedString addAttribute:(NSString *)kCTFontAttributeName value:(__bridge id)font range:boldRange];

            

            //设置可点击文本的颜色

            [mutableAttributedString addAttribute:(NSString*)kCTForegroundColorAttributeName value:(id)[[UIColor blueColor] CGColor] range:boldRange];

            CFRelease(font);

            

        }

       return mutableAttributedString;

    }];

    

    //正则

    NSRegularExpression *regexp = NameRegularExpression();

    

    NSRange linkRange = [regexp rangeOfFirstMatchInString:text options:0 range:NSMakeRange(0, 3)];

    NSURL *url = [NSURL URLWithString:[NSString stringWithFormat:@"http://www.exiucai.com/"]];

    

    //设置链接的url

    [label addLinkToURL:url withRange:linkRange];

    

    

    [self.view addSubview:label];

}

- (void)attributedLabel:(__unused TTTAttributedLabel *)label

   didSelectLinkWithURL:(NSURL *)url

{

    

    [[[UIActionSheet alloc] initWithTitle:[url absoluteString] delegate:self cancelButtonTitle:NSLocalizedString(@"Cancel", nil) destructiveButtonTitle:nil otherButtonTitles:NSLocalizedString(@"Open Link in Safari", nil), nil] showInView:self.view];

}

#pragma mark - UIActionSheetDelegate

- (void)actionSheet:(UIActionSheet *)actionSheet

clickedButtonAtIndex:(NSInteger)buttonIndex

{

    if (buttonIndex == actionSheet.cancelButtonIndex) {

        return;

    }

    

    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:actionSheet.title]];

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}