oc swift 重写光标点 高度 宽度 长度

swift
// MARK: - 重写UITextField 修改光标宽度
class PlaceholderUITextField: UITextField {
override func caretRect(for position: UITextPosition) -> CGRect {
var rect = super.caretRect(for: position)
rect.size.width = 2
return rect
}
}

OC

• (CGRect)caretRectForPosition:(UITextPosition *)position
  {
  CGRect originalRect = [super caretRectForPosition:position];
  originalRect.size.width = 2;
  return originalRect;
  }