weixin_41849730的博客

https://blog.youkuaiyun.com/D759378563/article/details/90301937?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522160447180419215646546718%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=160447180419215646546718&

https://www.cnblogs.com/linkyip/p/13153872.html

https://www.qter.org/forum.php?mod=viewthread&tid=3414

定义结构体全局变量的方法https://www.cnblogs.com/VCdog/archive/2011/12/09/struct.html

具体描述见：https://www.cnblogs.com/linuxAndMcu/p/13652479.html

链接一：https://www.cnblogs.com/yunlambert/p/8547127.html链接二：https://www.cnblogs.com/yunlambert/p/8556830.html

解决方法：https://www.cnblogs.com/kohlrabi/p/6137123.html虽然没明白为什么，但是很有效，先保存一下

import QtQuick 2.0import QtQuick.Controls 1.4Item{ width: 800; height: 800; Rectangle { anchors.verticalCenter: parent.verticalCenter; anchors.horizontalCenter: parent.horizontalCenter; width: 600; hei.