#include <QtCore/QCoreApplication>
#include <boost/property_tree/ptree.hpp>
#include <boost/typeof/typeof.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <boost/property_tree/xml_parser.hpp>
#include <iostream>
using namespace std;
using namespace boost::property_tree;
int main(int argc, char *argv[])
{
QCoreApplication a(argc, argv);
string s = "{/"age/" : 26,/"study/":{/"language/":{/"one/":/"chinese/",/"two/":/"math/"},/"fee/":500,/"subject/":[{/"one/":/"china/"},{/"one/":/"Eglish/"}]},/"person/":[{/"id/":1,/"name/":/"chen/"},{/"id/":2,/"name/":/"zhang/"}],/"name/" : /"huchao/"}";
ptree pt;
stringstream stream(s); //这步不知道为什么要这样
read_json<ptree>( stream, pt);
pt.put("study.language.one","physics");//修改数据(这步废了好久时间,最后通过读英文资料解决)
pt.put("study.fee",600);
string s1=pt.get<string>("age");
cout<<s1<<endl;
string s2=pt.get<string>("name");
cout<<s2<<endl;
string s3=pt.get_child("study").get_child("language").get<string>("one");
cout<<s3<<endl;
string s4=pt.get_child("study").get<string>("fee");
cout<<s4<<endl;
ptree p1,p2;
p1 = pt.get_child("study").get_child("subject");//访问多级节点中的数组数据
for (ptree::iterator it = p1.begin(); it != p1.end(); ++it)
{
p2 = it->second; //first为空
cout<<"subject="<<p2.get<string>("one")<<endl;
}
return 0;
return a.exec();
}
// pt.put("conf.theme", "Matrix Reloaded");
// pt.put("conf.clock_style", 13);
// pt.put("conf.gui", 0);
// pt.put("conf.urls.url","http://www.url4.org");
// pt.add("conf.urls.url","http://www.url4.org");
// write_json("conf.json", pt);
// read_json("conf.json",pt);
// cout<< pt.get<string>("conf.theme") <<endl;
// cout<< pt.get<int>("conf.clock_style") <<endl;
// cout<< pt.get<long>("conf.gui") <<endl;
// cout<< pt.get("conf.no_prop", 100) <<endl;
// BOOST_AUTO(child, pt.get_child("conf.urls"));
// for(BOOST_AUTO(pos,child.begin()); pos != child.end(); ++pos)
// {
// cout<<pos->second.data()<<",";
// }
// cout<<endl;
// ptree pt_1,pt_11,pt_12;
// pt_11.put("id","3445");
// pt_11.put<int>("age",29);
// pt_11.put("name","chen");
// pt_12.push_back(make_pair("",pt_11));
// pt_12.push_back(make_pair("",pt_11));
// //replace or create child node "data"
// pt_1.put_child("data",pt_12);
// ostringstream os;
// write_json(os,pt_1);
// cout<<os.str()<