1. sizeThatFits let size = label.sizeThatFits(CGSizeMake(limitW, CGFloat(MAXFLOAT))) 2.通过 NSString 的 sizeWithAttributes 方法计算 let priceStr = NSString.init(format:"¥ %@",goodsModel.price_disct) let attributes = [NSFontAttributeName:UIFont.systemFontOfSize(14)] let size = priceStr.siz...
}//根据宽度动态计算高度(new)func getLabelHeight(_ label: UILabel, width: CGFloat) ->CGFloat {returnlabel.sizeThatFits(CGSize(width:width, height: CGFloat(MAXFLOAT))).height }//根据高度动态计算宽度(old)func getLabelWidth(_ text: NSAttributedString, height: CGFloat) ->CGFloat { let content...
swift5中自适应文本中的高度,代码如下: let str="测试测试";let rect=NSString(string:str).boundingRect(with:CGSize(width:UIScreen.main.bounds.size.width-2*30,height:CGFloat(MAXFLOAT)),options:.usesFontLeading,attributes:[NSAttributedString.Key.font:UIFont.systemFont(ofSize:14)],context:nil)print...
.bounds.width/2// 2.获取这个点可视范围内的布局属性letattrs=self.layoutAttributesForElements(in:CGRect(x:proposedContentOffset.x,y:proposedContentOffset.y,width:collectionView!.bounds.size.width,height:collectionView!.bounds.size.height))// 3. 需要移动的最小距离varmoveDistance:CGFloat=CGFloat(MAXFLOA...
func random() -> CGFloat { return CGFloat(Float(arc4random()) / 0xFFFFFFFF) } func random(#min: CGFloat, max: CGFloat) -> CGFloat { return random() * (max - min) + min } 1. 2. 3. 4. 5. 6. random()返回一个介于0到1之间的十进制值。random(min:max:)返回一个固定范围的...
let size= CGSizeMake(CGFloat.max,0) let text= selfasNSString let rect=text.boundingRectWithSize(size, options:.UsesLineFragmentOrigin, attributes: attributes, context:nil)returnrect.size.width }/** Get the width with the string. - parameter font: The font. ...
// 列数varcols=4// 布局数组fileprivate lazyvarlayoutAttributeArray:[UICollectionViewLayoutAttributes]=[]// 高度数组fileprivate lazyvaryArray:[CGFloat]=Array(repeating:self.sectionInset.top,count:cols)fileprivatevarmaxHeight:CGFloat=0override funcprepare(){super.prepare()// 计算每个 Cell 的宽度letitem...
init(nibName: nil, bundle: nil) window.windowLevel = CGFloat.max window.hidden = false window.rootViewController = self Setting window.hidden = false gets it onto the screen (when the current CATransaction commits). I also need to watch for the keyboard to appear...
count, $0) }) let maxHorizontalPipCount = CGFloat(pipsPerRowForRank.reduce(0) { max($1.max() ?? 0, $0) }) let verticalPipRowSpacing = pipRect.size.height / maxVerticalPipCount let attemptedPipString = centeredAttributedString(suit, fontSize: verticalPipRowSpacing) let probablyOkayPip...
CGFloat maxOffsetY=self.tableView.contentSize.height-self.tableView.frame.size.height; CGFloat footerViewHeight=CGRectGetHeight(self.footerView.frame); NSLog(@"%f,%f",maxOffsetY,footerViewHeight); //开始拖拽 if(self.tableView.contentOffset.y>maxOffsetY ...