我正在尝试将圆角应用于UIImageView.尽管角落是圆形的,但仍然有4个边缘,无论半径大小,它都不会消失.删除边框也没有帮助.
这可能与自动布局约束有关吗?我究竟做错了什么?
这是我正在申请的代码:
self.imageViewProfilePicture.layer.cornerRadius = self.imageViewProfilePicture.frame.size.width / 2.0
self.imageViewProfilePicture.layer.borderWidth = 2.0
self.imageViewProfilePicture.layer.borderColor = UIColor.whiteColor().CGColor
self.imageViewProfilePicture.layer.masksToBounds = true
self.imageViewProfilePicture.clipsToBounds = true
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如何格式化图表折线图中显示的数据?默认情况下,数据显示为double,但我希望它显示为int.
let pre = [20.0, 4.0, 6.0, 3.0, 12.0, 16.0]
for i in 0..<pre.count {
let preDataEntry = ChartDataEntry(value: pre[i], xIndex: i)
preEntries.append(preDataEntry)
}
let preChartDataSet = LineChartDataSet(yVals: preEntries, label: "Pre")
lineChartView.data = lineChartData
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