用户粘贴的链接很长,并且包含“http://”等,因此我想限制链接的长度,只显示主要的网站名称或更多。
例:
用户粘贴的链接:
http://www.androidpolice.com/2015/08/16/an-alleged-leak-of-lgs-nexus-5-2015-bullhead-pops-up-on-google/
我要在标签中显示的链接:www.androidpolice.com/2015/08 / ...
有什么办法吗?
我搜索并找到了一个名为attributedTruncationToken的东西,但我不太了解,我认为这与行尾的截断有关。
最佳答案
我不使用TTTAttributeLabel,但使用这个答案供所有将来试图在没有第三方API的情况下创建URL缩短器的问题寻求者。
只需使用NSMutableAttributedString
并传递到支持UIDataDetectorTypeLink
的对象中:
假设您的用户输入了一个链接或完全传递了一个字符串:
我是用户。我想输入此URL,以便与所有其他Apple产品的出色用户共享,并且仅与Apple产品:)共享。在这里查看我的链接http://www.androidpolice.com/2015/08/16/an-alleged-leak-of-lgs-nexus-5-2015-bullhead-pops-up-on-google/
我们可以使用常用的方法轻松提取文本:
NSString *userInput = @"I am a user. I want to enter this URL to share to all other awesome users of Apple products, and only Apple products :). Check out my link here http://www.androidpolice.com/2015/08/16/an-alleged-leak-of-lgs-nexus-5-2015-bullhead-pops-up-on-google/"
// get the range of the substring (url) starting with @"http://"
NSRange httpRange = [userInput rangeOfString:@"http://" options:NSCaseInsensitiveSearch];
if (httpRange.location == NSNotFound) {
NSLog(@"URL not found");
} else {
//Get the new string from the range we just found
NSString *urlString = [userInput substringFromIndex:httpRange.location];
//create the new url
NSURL *newURL = [NSURL URLWithString:urlString];
//cut off the last components of the string
NSString *shortenedName = [urlString stringByDeletingLastPathComponent];
//new output
NSLog(@"%@", [NSString stringWithFormat:@"\n original user input : \n %@ \n original URL name : \n %@ \n shortenedName : \n %@", userInput, urlString, shortenedName]);
//We have everything we need so all we have remaining to do is create the attributes and pass into a UITextView.
self.someTextView.attributedText = [self createHyperLinkForURL:newURL withName:shortenedName];
}
哪里
[self createHyperLinkForURL:newURL withName:shortenedName];
-(NSMutableAttributedString *)createHyperLinkForURL:(NSURL *)url withName:(NSString *)hyperLinkText {
NSMutableAttributedString *string = [[NSMutableAttributedString alloc] initWithString:hyperLinkText];
[string beginEditing];
[string addAttribute:NSLinkAttributeName
value:url
range:NSMakeRange(0, string.length)];
[string endEditing];
return string;
}
关于ios - 如何减少链接长度或为在TTTAttributedLabel中检测到的链接设置固定长度,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32050729/