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.cpp

@@ -1,7 +1,7 @@
 #include "transformer.h"
 
 
-Transformer::Transformer(const QPair<QString,QString>& fromTo, PowerTransformer* tf):Branch(fromTo.first,fromTo.second)
+Transformer::Transformer(const QPair<QString,QString>& fromTo, PowerTransformer* tf, QObject *parent):Branch(fromTo.first,fromTo.second)
 {
     this->ratio=1;
     this->tf=tf;