一段文本内容中展示网址链接---TTTAttributedLabel链接点击和textView两种方式实现

上一篇关联文章：富文本上 http://blog.csdn.net/liyunxiangrxm/article/details/53410919

//  Copyright © 2016年 liyunxiang. All rights reserved.
//

#import "ViewController.h"
#import "TTTAttributedLabel.h"
#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
@interface ViewController ()<TTTAttributedLabelDelegate>

@end

@implementation ViewController

- (void)viewDidLoad{
    [self test2];
}
-(void)test2
{
    [super viewDidLoad];
    UITextView *ContentTextView = [[UITextView alloc]initWithFrame:CGRectMake(0, 100, 300, 300)];
    ContentTextView.editable = NO;
    ContentTextView.dataDetectorTypes = UIDataDetectorTypeAll;
    ContentTextView.scrollEnabled = NO;
    ContentTextView.textColor = UIColorFromRGB(0x333333);

    NSString *text = [NSString stringWithFormat:@"https://github.com/TTTAttributedLabel/TTTAttributedLabel  asifuhaskjf;lks  http://www.baidu.com   15754713678   ��"];

//    ContentTextView.text = text;
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc]init];
    paragraphStyle.lineHeightMultiple = 10.f;
    paragraphStyle.maximumLineHeight = 16.0f;
    paragraphStyle.minimumLineHeight = 14.0f;
    paragraphStyle.firstLineHeadIndent = 0.0f;
    paragraphStyle.lineSpacing = 1.0f;
    paragraphStyle.alignment = NSTextAlignmentJustified;
    UIFont *font = [UIFont fontWithName:@"Arial" size:15];

    NSDictionary *attributes = @{ NSFontAttributeName:font, NSParagraphStyleAttributeName:paragraphStyle};

    ContentTextView.attributedText = [[NSAttributedString alloc]initWithString:text attributes:attributes];
    [self.view addSubview:ContentTextView];

}
-(void)test3
{
    [super viewDidLoad];
//    self.view.backgroundColor = [UIColor yellowColor];
    // modify by huangyibiao
    //添加文本信息
    TTTAttributedLabel *bubbleText = [[TTTAttributedLabel alloc]
                                      initWithFrame:CGRectMake(0,100,300,300)];

    bubbleText.delegate = self;
//    bubbleText.tag=indexPath.row;
    UIFont *font = [UIFont systemFontOfSize:15];
    bubbleText.font = font;
    bubbleText.numberOfLines = 0;
    bubbleText.lineBreakMode = NSLineBreakByWordWrapping;
    NSString *text = [NSString stringWithFormat:@"东方会计师；老地方就卡死；来的房间爱死了；地方水立方的看见爱上对方http://www.baidu.com了；贾师傅；拉士大夫了；按时交电费https://github.com/TTTAttributedLabel/TTTAttributedLabel sfasdfasdfasfdas爱就是看了对方那算了的疯狂"];
    bubbleText.text = text;
    bubbleText.linkAttributes = @{(NSString *)kCTUnderlineStyleAttributeName : [NSNumber numberWithBool:YES],
                                  (NSString*)kCTForegroundColorAttributeName : (id)[[UIColor blueColor] CGColor]};

    bubbleText.highlightedTextColor = [UIColor whiteColor];
    bubbleText.verticalAlignment = TTTAttributedLabelVerticalAlignmentTop;
    // end modify by huangyibiao

    // reasion: handle links in chat content, ananylizing each link
    // 提取出文本中的超链接
    NSError *error;
    NSString *regulaStr = @"((http[s]{0,1}|ftp)://[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)|(www.[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@#$%^&*+?:_/=<>]*)?)";
    NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regulaStr
                                                                           options:NSRegularExpressionCaseInsensitive
                                                                             error:&error];
    NSArray *arrayOfAllMatches = [regex matchesInString:text
                                                options:0
                                                  range:NSMakeRange(0, [text length])];
    NSMutableAttributedString *attribute = [[NSMutableAttributedString alloc] initWithString:text];
    for (NSTextCheckingResult *match in arrayOfAllMatches) {
        NSString *substringForMatch = [text substringWithRange:match.range];
        [attribute addAttribute:(NSString *)kCTFontAttributeName value:(id)bubbleText.font range:match.range];
        [attribute addAttribute:(NSString*)kCTForegroundColorAttributeName
                          value:(id)[[UIColor blueColor] CGColor]
                          range:match.range];
        [bubbleText addLinkToURL:[NSURL URLWithString:substringForMatch] withRange:match.range];
    }
     [self.view addSubview:bubbleText];


    bubbleText.userInteractionEnabled = YES;
    UILongPressGestureRecognizer *longTap = [[UILongPressGestureRecognizer alloc]initWithTarget:self action:@selector(longPressText:)];
    [bubbleText addGestureRecognizer:longTap];    // end add by huangyibiao
}
- (void)longPressText:(UILongPressGestureRecognizer *)sender{
    if (sender.state == UIGestureRecognizerStateBegan){
                  TTTAttributedLabel *label = (TTTAttributedLabel *)sender.view;

        NSLog(@"%@",label.text);}

}
#pragma mark - TTTAttributedLabelDelegate 点击聊天内容中的超链接
- (void)attributedLabel:(TTTAttributedLabel *)label didSelectLinkWithURL:(NSURL *)url {
    NSLog(@"asdfasd");

}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}


@end