摘要：
1、QVariant转指针 QVariant a; //do something QObject* b = (QObject*)a.value<QObject*>(); 2、QVariant转其他非内建数据 QVariant a; //do something T b = (T)a.value<T> 阅读全文
摘要：
https://www.cnblogs.com/judes/p/10736275.html https://www.cnblogs.com/judes/p/10498959.html https://www.cnblogs.com/judes/p/13753516.html 1、删除指定序号的内容 阅读全文