不是用QStringRef，太容易出错。

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

testHasttable/terminal.cpp

@@ -1,6 +1,6 @@
 #include "terminal.h"
 
-Terminal::Terminal()
+Terminal::Terminal(QObject *parent):BasicElementInfo(parent)
 {
 }
 
@@ -10,7 +10,7 @@ bool Terminal::derivedParse(QXmlStreamReader& reader)
     {
         QString cn;
         cn=reader.attributes().value("rdf:resource").toString();
-        this->connectivityNode=cn.replace("#","").leftRef(-1);//返回整个字符串的Ref
+        this->connectivityNode=cn.replace("#","").leftRef(-1).toString();//返回整个字符串的Ref
         qDebug()<<"got "<<"Terminal.ConnectivityNode "<<this->connectivityNode<<"\n";
     }
 
@@ -18,7 +18,7 @@ bool Terminal::derivedParse(QXmlStreamReader& reader)
     {
         QString ce;
         ce=reader.attributes().value("rdf:resource").toString();
-        this->conductingEquipment=ce.replace("#","").leftRef(-1);//返回整个字符串的Ref
+        this->conductingEquipment=ce.replace("#","").leftRef(-1).toString();//返回整个字符串的Ref
         qDebug()<<"got "<<"Terminal.ConductingEquipment "<<this->conductingEquipment<<"\n";
     }
     return true;