c++ - how to write data TINYXML2 on IOS -

my test.xml this:

<?xml version="1.0"?> <!doctype play system "play.dtd">             <data>     <currentlevel>5</currentlevel>     <bestscorelv1>1</bestscorelv1>     <bestscorelv2>2</bestscorelv2> </data> <dict/> 

my code here:

std::string fullpath = ccfileutils::sharedfileutils()->fullpathfromrelativepath("text.xml"); tinyxml2::xmldocument doc;  doc.loadfile(fullpath.c_str());  tinyxml2::xmlelement* ele =  doc.firstchildelement("data")->firstchildelement("bestscorelv2")->toelement(); ele->setattribute("value", 10); doc.savefile(fullpath.c_str());  const char* title1 =  doc.firstchildelement("data")->firstchildelement("bestscorelv2")->gettext(); int level1  = atoi(title1); cclog("result is: %d",level1); 

but value of bestscorelv2 when output 2. how can change , write data xml?

in tinyxml2 text represented xmltext class child of xmlnode class. xmlnode have methods value() , setvalue() have different meanings different xml nodes. text nodes value() read node's text , setvalue() write it. need code this:

tinyxml2::xmlnode* value = doc.firstchildelement("data")->     firstchildelement("bestscorelv2")->firstchild(); value->setvalue("10"); 

the first child of bestscorelv2 element xmltext value 2. change value 10 calling setvalue(10).