备份

item.h

@@ -26,6 +26,7 @@ public:
     void setRegisterValue(quint16 value);
     quint16 registerValue() const { return registerValue_; }
 
+
     // 添加状态属性（用于线圈、触点等）
     virtual bool state() const { return false; }
 

plc.cpp

@@ -133,6 +133,7 @@ void PLC::applyProjectToScene(const Project& proj)
         connect(item, &Item::requestDelete, ui->graphicsView, &MyGraphicsView::onItemRequestDelete);
         connect(item, &Item::requestBindRegister, ui->graphicsView, &MyGraphicsView::onItemRequestBindRegister);
         plc_scene_->addItem(item);
+        registerManager->bindItem(item,d.registerId);
         itemObjs.append(item);
     }
     for (const auto& c : proj.connections_) {