diff --git a/testHasttable/aclinesegment.cpp b/testHasttable/aclinesegment.cpp
index d2cd1d0..a87ed96 100644
--- a/testHasttable/aclinesegment.cpp
+++ b/testHasttable/aclinesegment.cpp
@@ -10,7 +10,7 @@ bool ACLineSegment::derivedParse(QXmlStreamReader &reader)
     {
         QString terminal;
         terminal=reader.attributes().value("rdf:resource").toString();
-        this->terminalA=terminal.replace("#","").leftRef(-1);//返回整个字符串的Ref
+        this->terminalA=terminal.replace("#","").leftRef(-1).toString();//返回整个字符串的Ref
         qDebug()<<"got "<<"ConductingEquipment.Terminals "<<this->terminalA<<"\n";
         this->isTerminalA=false;
     }
@@ -18,19 +18,28 @@ bool ACLineSegment::derivedParse(QXmlStreamReader &reader)
     {
         QString terminal;
         terminal=reader.attributes().value("rdf:resource").toString();
-        this->terminalB=terminal.replace("#","").leftRef(-1);//返回整个字符串的Ref
+        this->terminalB=terminal.replace("#","").leftRef(-1).toString();//返回整个字符串的Ref
         qDebug()<<"got "<<"ConductingEquipment.Terminals "<<this->terminalB<<"\n";
     }
     if("ConductingEquipment.Substation"==reader.name() && reader.attributes().hasAttribute("rdf:resource"))
     {
         QString ss;
         ss=reader.attributes().value("rdf:resource").toString();
-        this->containsOfSubstation=ss.replace("#","").leftRef(-1);//返回整个字符串的Ref
+        this->containsOfSubstation=ss.replace("#","").leftRef(-1).toString();//返回整个字符串的Ref
         qDebug()<<"got "<<"ConductingEquipment.Substation "<<this->containsOfSubstation<<"\n";
     }
     return true;
 }
 
+QString ACLineSegment::getTerminalA()
+{
+    return this->terminalA;
+}
+QString ACLineSegment::getTerminalB()
+{
+    return this->terminalB;
+}
+
 bool ACLineSegment::parse(QXmlStreamReader &reader)
 {
     return this->parseBasicInfo(reader);
diff --git a/testHasttable/aclinesegment.h b/testHasttable/aclinesegment.h
index 5721d4b..ebc07ea 100644
--- a/testHasttable/aclinesegment.h
+++ b/testHasttable/aclinesegment.h
@@ -6,10 +6,12 @@ class ACLineSegment:public BasicElementInfo
 public:
     explicit ACLineSegment(QObject *parent = 0);
     virtual bool parse(QXmlStreamReader &reader);
+    QString getTerminalA();
+    QString getTerminalB();
 protected:
-    QStringRef terminalA;
-    QStringRef terminalB;
-    QStringRef containsOfSubstation;
+    QString terminalA;
+    QString terminalB;
+    QString containsOfSubstation;
     virtual bool derivedParse(QXmlStreamReader &reader);
 private:
     bool isTerminalA;
diff --git a/testHasttable/breaker.cpp b/testHasttable/breaker.cpp
index 5fe8f63..103efbf 100644
--- a/testHasttable/breaker.cpp
+++ b/testHasttable/breaker.cpp
@@ -1,6 +1,6 @@
 #include "breaker.h"
-
-Breaker::Breaker(QObject *parent):BasicElementInfo(parent)
+#include <iostream>
+Breaker::Breaker(QObject *parent):BasicElementInfo(parent),isTerminalA(true)
 {
 }
 
@@ -31,6 +31,15 @@ bool Breaker::derivedParse(QXmlStreamReader &reader)
     return true;
 }
 
+QString Breaker::getTerminalA()
+{
+    return this->terminalA;
+}
+QString Breaker::getTerminalB()
+{
+    return this->terminalB;
+}
+
 bool Breaker::parse(QXmlStreamReader &reader)
 {
     return this->parseBasicInfo(reader);
diff --git a/testHasttable/breaker.h b/testHasttable/breaker.h
index 9d1ea96..5fe6d2c 100644
--- a/testHasttable/breaker.h
+++ b/testHasttable/breaker.h
@@ -1,12 +1,15 @@
 #ifndef BREAKER_H
 #define BREAKER_H
 #include <QXmlStreamReader>
+#include <QString>
 #include "BasicElementInfo.h"
 class Breaker:public BasicElementInfo
 {
 public:
     explicit Breaker(QObject *parent = 0);
     virtual bool parse(QXmlStreamReader& reader);
+    QString getTerminalA();
+    QString getTerminalB();
 protected:
     QString terminalA;
     QString terminalB;
diff --git a/testHasttable/disconnector.cpp b/testHasttable/disconnector.cpp
index a01acc4..39c4c62 100644
--- a/testHasttable/disconnector.cpp
+++ b/testHasttable/disconnector.cpp
@@ -1,6 +1,6 @@
 #include "disconnector.h"
 
-Disconnector::Disconnector(QObject *parent):BasicElementInfo(parent)
+Disconnector::Disconnector(QObject *parent):BasicElementInfo(parent),isTerminalA(true)
 {
 }
 
diff --git a/testHasttable/elementhashtable.cpp b/testHasttable/elementhashtable.cpp
index c4b742d..1799161 100644
--- a/testHasttable/elementhashtable.cpp
+++ b/testHasttable/elementhashtable.cpp
@@ -1,7 +1,7 @@
 #include "elementhashtable.h"
 #include <iostream>
 ElementHashtable::ElementHashtable(QObject *parent) :
-    QObject(parent)
+    QObject(parent),currentHT(NULL)
 {
 }
 
@@ -60,40 +60,45 @@ bool ElementHashtable::child(QXmlStreamReader &reader)
 
     if(pointer && id!="")
     {
-        this->eleHT[id]=pointer;
+        QHash<QString,BasicElementInfo *> *hash=this->currentHT;
+        (*hash)[id]=pointer;
     }
     return true;
 }
 
-bool ElementHashtable::goPath()
+bool ElementHashtable::GoPath()
 {
-    const QHash<QString,BasicElementInfo*> &ht=this->eleHT;
+    const QHash<QString,BasicElementInfo*> &zwht=this->eleHT;//从配网开始找
     QList<QString> keys;
-    keys=ht.keys();
+    keys=zwht.keys();
     std::cout<<keys.length()<<std::endl;
     for(QList<QString>::Iterator ite=keys.begin();
         ite!=keys.end();
         ite++)
     {
-        BasicElementInfo *p=ht[*ite];
-        if(p->getName()=="BusbarSection")
+        BasicElementInfo *p=zwht[*ite];
+//        if(p->getName()=="ACLineSegment"){
+//            std::cout<<p->getID().toStdString()<<std::endl;
+//        }
+        if(p->getName()=="ACLineSegment" && p->getID()=="AC-456432")
         {
-//            std::cout<<"BusbarSection"<<"\n";
-            BusbarSection *foo=static_cast<BusbarSection *>(p);
-            QString terminal=foo->getTerminal();
+            ACLineSegment *ac=static_cast<ACLineSegment *>(p);//BusbarSection也就是线路头节点
+            QString acTerminal=ac->getTerminalB();
             //找Terminal的东西
-            Terminal *terminalP=static_cast<Terminal *>(ht[terminal]);
-            std::cout<<terminalP->getID().toStdString()<<std::endl;
+            Terminal *acTerminalP=static_cast<Terminal *>(zwht[acTerminal]);
+            std::cout<<acTerminalP->getID().toStdString()<<std::endl;
             QString node;
-            node=terminalP->getConnectivityNode();
+            node=acTerminalP->getConnectivityNode();
+            if(node=="")
+            {
+                continue;//有些Terminal是没有Node的
+            }
             std::cout<<node.toStdString()<<std::endl;
-            QString anotherTerminal;
-            anotherTerminal=this->nodeToTerminal.value(node);
-//            std::cout<<"anotherTerminal"<<anotherTerminal.toStdString()<<std::endl;
-            Terminal *anotherTerminalP=static_cast<Terminal *>(ht[anotherTerminal]);
-            std::cout<<anotherTerminalP->getConductingEquipment().toStdString()<<std::endl;
+            TopologyRecorder tpRecorder(this->eleHT);
+            tpRecorder.startWithNode(node);
         }
     }
+
     return true;
 }
 
@@ -131,3 +136,17 @@ bool ElementHashtable::parse(const QString& xmlPath)
     }
     return true;
 }
+
+bool ElementHashtable::setCurrentHashTable(QHash<QString,BasicElementInfo *> *t)
+{
+    this->currentHT=t;
+    return true;
+}
+
+bool ElementHashtable::Parse(const QString& xmlPWPath,const QString& xmlZWPath){
+    this->setCurrentHashTable(&this->eleHT);
+    this->parse(xmlPWPath);
+//    this->setCurrentHashTable(&this->mainStationHT);
+//    this->parse(xmlZWPath);
+    return true;
+}
diff --git a/testHasttable/elementhashtable.h b/testHasttable/elementhashtable.h
index 01b3174..b06b2e8 100644
--- a/testHasttable/elementhashtable.h
+++ b/testHasttable/elementhashtable.h
@@ -7,6 +7,7 @@
 #include <QDebug>
 #include <QFile>
 #include <QHash>
+#include <QVector>
 #include "BasicElementInfo.h"
 #include "subcontrolarea.h"
 #include "busbarsection.h"
@@ -17,18 +18,22 @@
 #include "disconnector.h"
 #include "powertransformer.h"
 #include "synchronousmachine.h"
-#include "nodetoterminal.h"
+#include "topologyrecorder.h"
 class ElementHashtable : public QObject
 {
     Q_OBJECT
 public:
     explicit ElementHashtable(QObject *parent = 0);
-    bool parse(const QString& xmlPath);
-    bool goPath();
+    bool Parse(const QString& xmlPWPath,const QString& xmlZWPath);
+    bool GoPath();
 private:
     bool child(QXmlStreamReader &reader);
+    bool setCurrentHashTable(QHash<QString,BasicElementInfo *> *t);
+    bool parse(const QString& xmlPath);
     QHash<QString,BasicElementInfo *> eleHT;
+    QHash<QString,BasicElementInfo *> mainStationHT;//记录主站的元素
     NodeToTerminal nodeToTerminal;
+    QHash<QString,BasicElementInfo *> *currentHT;
 signals:
 
 public slots:
diff --git a/testHasttable/main.cpp b/testHasttable/main.cpp
index 663ae95..ad42b0c 100644
--- a/testHasttable/main.cpp
+++ b/testHasttable/main.cpp
@@ -6,9 +6,9 @@ int main(int argc, char *argv[])
 {
     QCoreApplication a(argc, argv);
     ElementHashtable eleReader;
-    eleReader.parse("D:/Project/佛山项目/佛山收资/exportmodel_pw/df8003/df8600/exportfiles/exportmodel_pw.xml");
+    eleReader.Parse("D:/Project/佛山项目/佛山收资/exportmodel_pw/df8003/df8600/exportfiles/exportmodel_pw.xml","D:/Project/佛山项目/佛山收资/exportmodel_zwyth20141204/exportmodel_zwyth.xml");
 //    eleReader.parse("D:/Project/佛山项目/佛山收资/按元素分/BusbarSectionb.xml");
-    eleReader.goPath();
+    eleReader.GoPath();
 //    RegexExtract regexExt;
 //    regexExt.extract("D:/Project/佛山项目/佛山收资/exportmodel_pw/df8003/df8600/exportfiles/exportmodel_pw.xml");
 //    regexExt.exportBlocks("ThermalGeneratingUnit.xml");
diff --git a/testHasttable/nodetoterminal.cpp b/testHasttable/nodetoterminal.cpp
index ace622f..6717666 100644
--- a/testHasttable/nodetoterminal.cpp
+++ b/testHasttable/nodetoterminal.cpp
@@ -1,19 +1,23 @@
 #include "nodetoterminal.h"
 #include <iostream>
-QHash<QString,QString> *NodeToTerminal::ht=NULL;
+QHash<QString,QVector<QString> > *NodeToTerminal::ht=NULL;
 NodeToTerminal::NodeToTerminal()
 {
     if(!NodeToTerminal::ht)
     {
 //        std::cout<<"create"<<std::endl;
-        NodeToTerminal::ht=new QHash<QString,QString>;
+        NodeToTerminal::ht=new QHash<QString,QVector<QString> >;
 //        std::cout<<this->value("").toStdString()<<std::endl;
     }
 }
 
 void NodeToTerminal::add(const QString& key,const QString& value)
 {
-    (*NodeToTerminal::ht)[key]=value;
+//    if(this->contains(key))
+//    {
+//        std::cout<<"duplicat"<<std::endl;
+//    }
+    (*NodeToTerminal::ht)[key].push_back(value);
 }
 
 bool NodeToTerminal::contains(const QString& key)
@@ -21,7 +25,7 @@ bool NodeToTerminal::contains(const QString& key)
     return NodeToTerminal::ht->contains(key);
 }
 
-QString NodeToTerminal::value(const QString& key)
+QVector<QString> NodeToTerminal::value(const QString& key)
 {
 //    if(NodeToTerminal::ht)
 //    {
diff --git a/testHasttable/nodetoterminal.h b/testHasttable/nodetoterminal.h
index bea771c..2f98473 100644
--- a/testHasttable/nodetoterminal.h
+++ b/testHasttable/nodetoterminal.h
@@ -3,6 +3,7 @@
 //一个通过Node检索Terminal的表，做成单例形式
 #include <QHash>
 #include <QString>
+#include <QVector>
 class NodeToTerminal
 {
 public:
@@ -10,7 +11,7 @@ public:
     ~NodeToTerminal();
     void add(const QString& key,const QString& value);
     bool contains(const QString& key);
-    QString value(const QString& key);
+    QVector<QString> value(const QString& key);
 private:
     class CG // 它的唯一工作就是在析构函数中删除CSingleton的实例
         {
@@ -22,7 +23,7 @@ private:
                 }
         };
     static CG Garbo; // 定义一个静态成员，在程序结束时，系统会调用它的析构函数
-    static QHash<QString,QString>  *ht;
+    static QHash<QString,QVector<QString> >  *ht;
 
 
 };
diff --git a/testHasttable/powertransformer.cpp b/testHasttable/powertransformer.cpp
index 02149fb..deb6649 100644
--- a/testHasttable/powertransformer.cpp
+++ b/testHasttable/powertransformer.cpp
@@ -1,6 +1,6 @@
 #include "powertransformer.h"
 
-PowerTransformer::PowerTransformer(QObject *parent):BasicElementInfo(parent)
+PowerTransformer::PowerTransformer(QObject *parent):BasicElementInfo(parent),isTerminalA(true)
 {
 }
 
diff --git a/testHasttable/testHasttable.pro b/testHasttable/testHasttable.pro
index e053269..b6ca7e2 100644
--- a/testHasttable/testHasttable.pro
+++ b/testHasttable/testHasttable.pro
@@ -29,7 +29,8 @@ SOURCES += main.cpp \
     disconnector.cpp \
     powertransformer.cpp \
     synchronousmachine.cpp \
-    nodetoterminal.cpp
+    nodetoterminal.cpp \
+    topologyrecorder.cpp
 
 HEADERS += \
     elementhashtable.h \
@@ -44,7 +45,8 @@ HEADERS += \
     disconnector.h \
     powertransformer.h \
     synchronousmachine.h \
-    nodetoterminal.h
+    nodetoterminal.h \
+    topologyrecorder.h
 
 #release{
 DEFINES += QT_NO_DEBUG_OUTPUT
diff --git a/testHasttable/topologyrecorder.cpp b/testHasttable/topologyrecorder.cpp
new file mode 100644
index 0000000..dce99f3
--- /dev/null
+++ b/testHasttable/topologyrecorder.cpp
@@ -0,0 +1,109 @@
+#include "topologyrecorder.h"
+#include <iostream>
+TopologyRecorder::TopologyRecorder(const QHash<QString,BasicElementInfo *>& elementHT):eleHT(elementHT)
+{
+}
+
+bool TopologyRecorder::startWithNode(const QString& node)
+{
+    if(node=="")
+    {
+        return true;
+    }
+    const QHash<QString,BasicElementInfo*> &ht=this->eleHT;
+    QString anotherTerminal;
+    QVector<QString> anotherTerminalVector;
+    anotherTerminalVector=this->nodeToTerminal.value(node);//一个Node可以找到多个与之相连的Terminal
+    for(int atI=0;atI<anotherTerminalVector.length();atI++)
+    {
+        bool foundCate=false;
+        anotherTerminal=anotherTerminalVector.at(atI);
+        if(this->reachedTerminal.contains(anotherTerminal))
+        {
+            std::cout<<anotherTerminal.toStdString()<<"reached"<<std::endl;
+            continue;
+        }
+        this->reachedTerminal[anotherTerminal]=0;
+        std::cout<<"anotherTerminal"<<anotherTerminal.toStdString()<<std::endl;
+        Terminal *anotherTerminalP=static_cast<Terminal *>(ht[anotherTerminal]);
+        QString ce;
+        ce=anotherTerminalP->getConductingEquipment();
+        std::cout<<ce.toStdString()<<"from "<<anotherTerminal.toStdString() <<std::endl;
+        if(ce.startsWith("AC"))
+        {
+            foundCate=true;
+            QString acID=ce;
+            QPair<QString,QString> fromTo;
+            fromTo.first=node;
+            fromTo.second=acID;
+            this->branch.push_back(fromTo);
+            //通过ACSegmentLine的ID来找Terminal。下同。
+            ACLineSegment *AC=static_cast<ACLineSegment *>(ht[acID]);
+            if(!AC)
+            {
+                std::cout<<"can not find "<<acID.toStdString()<<std::endl;
+                continue;
+            }
+            QString terminalA;
+            QString terminalB;
+            terminalA=AC->getTerminalA();
+            terminalB=AC->getTerminalB();
+            QString nextTerminal;
+            nextTerminal=(terminalA==anotherTerminal)?terminalB:terminalA;
+            std::cout<<"new Terminal"<<nextTerminal.toStdString()<<std::endl;
+            Terminal *nextTerminalP=static_cast<Terminal *>(ht[nextTerminal]);
+            if(!nextTerminalP)
+            {
+                std::cout<<"can not terminal "<<nextTerminal.toStdString()<<std::endl;
+                continue;
+            }
+            QString nextNode=nextTerminalP->getConnectivityNode();
+            std::cout<<"next node"<<nextNode.toStdString()<<"from"<<nextTerminal.toStdString()<<std::endl;
+            this->startWithNode(nextNode);
+        }
+        if(ce.startsWith("SW"))
+        {
+            foundCate=true;
+            QString swID=ce;
+            QPair<QString,QString> fromTo;
+            fromTo.first=node;
+            fromTo.second=swID;
+            this->branch.push_back(fromTo);
+            Breaker *SW=static_cast<Breaker *>(ht[swID]);
+            if(!SW)
+            {
+                std::cout<<"can not SW "<<swID.toStdString()<<std::endl;
+                continue;
+            }
+            QString terminalA;
+            QString terminalB;
+            terminalA=SW->getTerminalA();
+            terminalB=SW->getTerminalB();
+            std::cout<<"terminalA"<<terminalA.toStdString()<<std::endl;
+            std::cout<<"terminalB"<<terminalB.toStdString()<<std::endl;
+            QString nextTerminal;
+            nextTerminal=(terminalA==anotherTerminal)?terminalB:terminalA;
+            Terminal *nextTerminalP=static_cast<Terminal *>(ht[nextTerminal]);
+            if(!nextTerminalP)
+            {
+                std::cout<<"can not terminal "<<nextTerminal.toStdString()<<std::endl;
+                continue;
+            }
+            QString nextNode=nextTerminalP->getConnectivityNode();
+            std::cout<<"next node"<<nextNode.toStdString()<<"from"<<nextTerminal.toStdString()<<std::endl;
+            this->startWithNode(nextNode);
+
+        }
+        if(ce.startsWith("BS"))
+        {
+            continue;
+        }
+        if(!foundCate)
+        {
+            std::cout<<"not found cate "<<ce.toStdString()<<std::endl;
+            continue;
+        }
+
+    }
+    return true;
+}
diff --git a/testHasttable/topologyrecorder.h b/testHasttable/topologyrecorder.h
new file mode 100644
index 0000000..8523877
--- /dev/null
+++ b/testHasttable/topologyrecorder.h
@@ -0,0 +1,25 @@
+#ifndef TOPOLOGYRECORDER_H
+#define TOPOLOGYRECORDER_H
+#include <QVector>
+#include <QHash>
+#include <QString>
+#include <QPair>
+#include "BasicElementInfo.h"
+#include "breaker.h"
+#include "aclinesegment.h"
+#include "nodetoterminal.h"
+#include "terminal.h"
+
+class TopologyRecorder
+{
+public:
+    TopologyRecorder(const QHash<QString,BasicElementInfo *>& elementHT);
+    bool startWithNode(const QString& node);
+private:
+    NodeToTerminal nodeToTerminal;
+    const QHash<QString,BasicElementInfo *>& eleHT;
+    QVector<QPair<QString,QString> > branch;
+    QHash<QString,char> reachedTerminal;
+};
+
+#endif // TOPOLOGYRECORDER_H