用CIMExporter分别处理读到的线路，开关，变压器等元件。

Signed-off-by: facat@lab.com <facat@lab.com>

testHasttable/element/transformer.h

@@ -1,12 +1,13 @@
 #ifndef TRANSFORMER_H
 #define TRANSFORMER_H
+#include <QObject>
 #include <QPair>
 #include "branch.h"
 #include "./../powertransformer.h"
 class Transformer:public Branch
 {
 public:
-    Transformer(const QPair<QString, QString> &fromTo, PowerTransformer *tf);
+    Transformer(const QPair<QString, QString> &fromTo, PowerTransformer *tf,QObject *parent=0);
 protected:
     virtual void extract();
 private: