Merge branch 'main' of http://101.34.228.45:3000/BigC/ArchitectureColoredPainting

ArchitectureColoredPainting/src/Editor/ElementPoolWidget.cpp

@@ -3,6 +3,7 @@
 #include <QInputDialog>
 #include <QFileDialog>
 #include <QDialogButtonBox>
+#include <QMessagebox>
 
 ElementPoolWidget::ElementPoolWidget(QWidget* parent)
 	: QWidget(parent)
@@ -125,7 +126,12 @@ void ElementPoolWidget::popMenu(const QPoint& pos)
 	{
 		menu->addAction(QString::fromLocal8Bit("添加元素（从svg导入）"), this, [this]() {
 				QString filePath = QFileDialog::getOpenFileName(this, QString::fromLocal8Bit("打开文件"), "", "SVG Files (*.svg)");
+				filePath = filePath.trimmed();
 				QFileInfo fileInfo(filePath);
+				if (!fileInfo.exists() || !fileInfo.isFile()) {
+					QMessageBox::warning(this, tr("Error"), QString::fromLocal8Bit("请选择Svg文件"));
+					return;
+				}
 				QString fileName = fileInfo.fileName();
 				qDebug() << fileName << " " << filePath;
 				this->elementManager->createSimpleElement(fileName, filePath);