1、对组件底部加弹簧；

CFDStruct/CUIProperty/CUI.cpp

@@ -1,4 +1,4 @@
-#include "CUI.h"
+#include "CUI.h"
 
 #include<CUIConfig.h>
 #include<CUIWidget.h>
@@ -20,7 +20,6 @@
 CUI::CUI(QWidget *parent, CUIConfig *conf): QWidget(parent)
 {
     this->conf = conf;
-//    this->conf->printConfig();
     qDebug() << "----------------------";
     buildUI();
 }
@@ -58,10 +57,12 @@ void CUI::buildUI()
     if (widget) {
         qDebug() << "----------- ui widget is not null";
         QVBoxLayout *layout = new QVBoxLayout;
+        layout->setSpacing(0);
+        layout->setMargin(0);
         layout->addWidget(widget);
         this->setLayout(layout);
-//        QSpacerItem* spacer = new QSpacerItem(5000,5000,QSizePolicy::Maximum,QSizePolicy::Maximum);
+//        QSpacerItem *verticalSpacer = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);
-//        layout->addItem(spacer);
+//        layout->addSpacerItem(verticalSpacer);
 
     } else {
         qDebug() << "----------- ui widget is null";

CFDStruct/CUIProperty/CUIWidget.cpp

@@ -1,4 +1,4 @@
-#include "CUIWidget.h"
+#include "CUIWidget.h"
 #include "CUIConfig.h"
 #include "QVBoxLayout"
 #include <QLayout>
@@ -29,6 +29,11 @@ void CUIWidget::iniUI(QVector<CUI*> &subCUI)
         subCUI.push_back(tmp);
         m_layout->addWidget(tmp->getUI());
     }
+    // 如果是垂直布局，则添加 底部的弹簧
+    if (qobject_cast<QVBoxLayout * >(m_layout) != nullptr) {
+        QSpacerItem *verticalSpacer = new QSpacerItem(20, 40, QSizePolicy::Minimum, QSizePolicy::Expanding);
+        ((QVBoxLayout*)m_layout)->addSpacerItem(verticalSpacer);
+    }
 }