不是用QStringRef，太容易出错。

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

testHasttable/elementhashtable.h

@@ -23,9 +23,10 @@ class ElementHashtable : public QObject
 public:
     explicit ElementHashtable(QObject *parent = 0);
     bool parse(const QString& xmlPath);
+    bool goPath();
 private:
     bool child(QXmlStreamReader &reader);
-    QHash<QString,BasicElementInfo> eleHT;
+    QHash<QString,BasicElementInfo *> eleHT;
 signals:
 
 public slots: