[资源介绍]
GitHub - iwasrobbed/RPFloatingPlaceholders: UITextField and UITextView subclasses with placeholders that change into floating labels when the fields are populated with text.
UITextField and UITextView subclasses with placeholders that change into floating labels when the fields are populated with text. - iwasrobbed/RPFloatingPlaceholders
- RPFloatingPlaceholders - UITextField 和 UITextView 的子类，当字段中输入文本时，占位符会变成浮动标签。
