class Debounce { // 设定的时间间隔,单位为毫秒 final int debounceTime; // 记录上次点击的时间 DateTime? _lastClickTime; Debounce({this.debounceTime = 300}); // 点击事件处理方法 void onClick(Function action) { DateTime now = DateTime.now(); if (_lastClickTime == null || now.difference(_lastClickTime!) > Duration(milliseconds: debounceTime)) { _lastClickTime = now; action(); } } }