一、UISearchBar的创建
let searchBar = UISearchBar(frame: CGRect(x: 0, y: 100, width: 414, height: 50))
searchBar.showsCancelButton = true // 取消按钮是否显示
searchBar.delegate = self
self.view.addSubview(searchBar)
注：1. Controller 要实现 UISearchBarDelegate
2. UISearchBar 的直属父类是 UIView
二、UISearchBar回调
- 点击 cancle
func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
print("cancel")
}
- 点击 搜索
func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
print("搜索")
}
