import 'package:flutter/material.dart'; class CustomFloatingActionButtonLocation extends FloatingActionButtonLocation { FloatingActionButtonLocation location; double offsetX; // X方向的偏移量 double offsetY; // Y方向的偏移量 CustomFloatingActionButtonLocation(this.location, this.offsetX, this.offsetY); @override Offset getOffset(ScaffoldPrelayoutGeometry scaffoldGeometry) { Offset offset = location.getOffset(scaffoldGeometry); return Offset(offset.dx + offsetX, offset.dy + offsetY); } }