github地址:https://github.com/RainManGO/PlaceholderTextView
简单的textView封装,支持一些常用的功能
// 初始化placeholderTextView
lazy var placeholderTextView = PlaceholerTextView(placeholder: "please input", placeholderColor: UIColor.lightGray, frame: CGRect(x: 40, y: 100, width: 320, height: 200))
//设置是否显示计算label
placeholderTextView.isShowCountLabel = true
//限制字数
placeholderTextView.limitWords = 1000
//是否return关闭键盘
placeholderTextView.isReturnHidden = true