在 UILabel 中居中显示文本

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最佳答案

The Code is

[yourLabel setTextAlignment:UITextAlignmentCenter];

or (of course) the Obj-C 2.0 Dot-Syntax

yourLabel.textAlignment = UITextAlignmentCenter;

For iOS 6 (and higher) you should use NSTextAlignmentCenter instead of UITextAlignmentCenter:

yourLabel.textAlignment = NSTextAlignmentCenter;

Source

And if you want backward compatibiliy to iOS 5 also you can do this,

#ifdef __IPHONE_6_0
# define ALIGN_CENTER NSTextAlignmentCenter
#else
# define ALIGN_CENTER UITextAlignmentCenter
#endif

Swift 3

yourLabel.textAlignment = .center

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Besides using code, as Henrik suggested, you can also set the appropriate property in Interface Builder.

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Try this code:

labelName.textAlignment = UITextAlignmentCenter

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Try out the following code:

lblObject.textAlignment=UITextAlignmentCenter;

Hope this helps you.

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This is depreciated now in iOS6.

You should use:

yourLabel.textAlignment = NSTextAlignmentCenter;

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UITextAlignmentCenter is deprecated since NSTextAlignmentCenter since iOS 6.0. You should use NSTextAlignmentCenter instead:

[label setTextAlignment:NSTextAlignmentCenter];

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If you have a multiline UILabel you should use a NSMutableParagraphStyle

   label.numberOfLines = 0
let paragraphStyle = NSMutableParagraphStyle()
paragraphStyle.alignment = .Center


let attributes : [String : AnyObject] = [NSFontAttributeName : UIFont(name: "HelveticaNeue", size: 15)!, NSParagraphStyleAttributeName: paragraphStyle]


let attributedText = NSAttributedString.init(string: subTitleText, attributes: attributes)
label.attributedText = attributedText

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As of Xcode 10.2.1 use:

UIlabel.textAlignment = NSTextAlignment.center

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Using UIBUILDER (Swift 4) (EZ!)

Center UILabel text most easily using the "Alignment" property inside the label's Attributes Inspector. (fig. 1)