将文本转换为超链接,分配给UILabel

Question

在下面的代码中,我正在检测字符串中的url.现在我需要只将超链接放到检测到的"url"并指定UILabel 每当我点击这个url它应该去浏览器,怎么做？

码:

NSString *string = descPost.text;
NSDataDetector *linkDetector = [NSDataDetector dataDetectorWithTypes:NSTextCheckingTypeLink error:nil];
NSArray *matches = [linkDetector matchesInString:string options:0 range:NSMakeRange(0, [string length])];
for (NSTextCheckingResult *match in matches)
{
    if ([match resultType] == NSTextCheckingTypeLink)
    {
        NSURL *url = [match URL];
        NSLog(@"found URL: %@", url);
    }
}

Answer 1

你应该做的是你应该创建一个UITapGestureRecognizeron UILabel,当UILabel你点击它时,你应该打开网址.

像这样创建手势:

UITapGestureRecognizer *gr = 
 [[UITapGestureRecognizer alloc] initWithTarget:self 
                                         action:@selector(myAction:)];
[myLabel addGestureRecognizer:gr];
gr.numberOfTapsRequired = 1;

接下来delegate按下时写下此方法:

- (void) myAction: (UITapGestureRecognizer *) gr {
    // write code to open the url here
    [[UIApplication sharedApplication] openURL:url];
}