// ======================================= // =============== 默认提示 =============== // ======================================= import QtQuick 2.15 // 提示 Item { property string tips: "" // 提示文本 property var visibleFlag // 只要该变量改变,就永久隐藏该组件 property bool first: true onVisibleFlagChanged: { if(first) first = false else visible = false } Text_ { anchors.left: parent.left anchors.right: parent.right anchors.verticalCenter: parent.verticalCenter anchors.margins: size_.spacing wrapMode: TextEdit.Wrap horizontalAlignment: Text.AlignHCenter verticalAlignment: Text.AlignVCenter text: tips } }