用类处理变压器阻抗数据。

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

testHasttable/element/transformer.h

@@ -0,0 +1,16 @@
+#ifndef TRANSFORMER_H
+#define TRANSFORMER_H
+#include <QPair>
+#include "branch.h"
+#include "./../powertransformer.h"
+class Transformer:public Branch
+{
+public:
+    Transformer(const QPair<QString, QString> &fromTo, PowerTransformer *tf);
+protected:
+    virtual void extract();
+private:
+    PowerTransformer *tf;
+};
+
+#endif // TRANSFORMER_H