在UILabel的特定部分添加文字“...阅读更多”IOS
问题描述:
我想把这个文本“...阅读更多”当我的标签文本超过3行,我想阻止我的文字不会被截断。在UILabel的特定部分添加文字“...阅读更多”IOS
我尝试了一些代码,但我有不同的iPhone宽度问题,我的代码适用于iPhone 6s,但不适用于iPhone 4s和iPhone 5s。
这里是我的代码:
let originalText = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec tristique ipsum non pretium mollis. Curabitur tristique asfhaksjf sfjhksafhdaf ahsdifhsadfh asdfhsahfoas sdofhasdhfasdf"
label.text = originalText
let labelWidth = label.frame.size.width * CGFloat(label.numberOfLines)
let str = label.text! as NSString
let words = str.componentsSeparatedByString(" ")
var newStr = "" as NSString
for word in words {
let statement = "\(newStr) \(word) ... Read more" as NSString
let size = statement.sizeWithAttributes([NSFontAttributeName: label.font])
let readMoreStatement = " ... Read more" as NSString
let sizeReadMore = readMoreStatement.sizeWithAttributes([NSFontAttributeName : label.font])
if size.width < labelWidth {
newStr = "\(newStr) \(word)"
label.text = newStr as String
} else {
newStr = newStr.stringByAppendingString("... Read More")
label.text = newStr as String
break
}
}
这里是4S结果:
这里是6S结果:
任何建议我如何解决这个问题他们吗?
答
您需要首先autoConstrains您的标签和使用下面的代码
let originalText = "Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec tristique ipsum non pretium mollis. Curabitur tristique asfhaksjf sfjhksafhdaf ahsdifhsadfh asdfhsahfoas sdofhasdhfasdf"
label.text = originalText
print((label.text?.characters.count)!)
if (label.text?.characters.count)! < 100 {
label.text = originalText
label.center = view.center
label.textAlignment = .justified
label.adjustsFontSizeToFitWidth = true // If you want a dynamic font size
label.sizeToFit()
print(label.text!) // If character count less then 100 approximately 3 lines
} else {
label.text = "...Read more"
label.textAlignment = .center
print(label.text!) //If character count more then 100 exceeds 3 lines
// You can setup a UIButton here for your "...Read more" action
}
希望,这可以帮助你....