如何访问xml中所有标签为label 的内容

 我写的函数有点问题，求指导：


 解析库用的tinyxml2：

http://grinninglizard.com/tinyxml2docs/index.html

 [code=c][/void findAllLabel(XMLElement* next)
 {
 if(next->FirstChildElement("Question"))
 {
 next = next->FirstChildElement("Question");
 string str = next->FirstChildElement("Label")->GetText();
 cout<<str<<endl;

 }
 else
 {
 XMLElement *neighbor = next->NextSiblingElement();
 while(neighbor)
 {
 string str1 = neighbor->FirstChildElement("Label")->GetText();
 cout<<str1<<endl;
 neighbor = neighbor->NextSiblingElement();
 }
 next = 
 }

 //XMLElement* nextElement = next->FirstChildElement("Question");
 findAllLabel(next);



 }[code] 




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http://bbs.csdn.net/topics/391036566?page=1#post-399218919