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                                            zhangyyysss

电子书网站崩溃了?

![image](https://user-images.githubusercontent.com/30775539/172034059-a5835bc1-cfb9-47ae-83bb-490d9446486a.png)

纠错: 第四章 4.7 对齐与相对定位(alignment)

书中计算转换坐标: Alignment可以通过其坐标转换公式将其坐标转为子元素的具体偏移坐标： (Alignment.x*childWidth/2+childWidth/2, Alignment.y*childHeight/2+childHeight/2) 实际上坐标转换应该与原容器大小有关: https://api.flutter-io.cn/flutter/widgets/Align-class.html https://segmentfault.com/a/1190000041631644