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UIView围绕中心点旋转90后，它的frame是多少？
学习是最好的投资！
之前：
{{0, 0}, {375, 667}}
之后：
{{-146, 146}, {667, 375}}
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
之前：
之后：