Jsoncpp example
发布时间:2020-12-16 19:00:15 所属栏目:百科 来源:网络整理
导读:转载自json c++ examples // ---- create from scratch ---- Json: :Value fromScratch ; Json: :Value array ; array .append ( "hello" ) ; array .append ( "world" ) ; fromScratch[ "hello" ] = "world" ; fromScratch[ "number" ] = 2 ; fromScratch[
转载自json c++ examples // ---- create from scratch ----
Json::Value fromScratch;
Json::Value array;
array.append("hello");
array.append("world");
fromScratch["hello"] = "world";
fromScratch["number"] = 2;
fromScratch["array"] = array;
fromScratch["object"]["hello"] = "world";
output(fromScratch);
// write in a nice readible way
Json::StyledWriter styledWriter;
std::cout << styledWriter.write(fromScratch);
// ---- parse from string ----
// write in a compact way
Json::FastWriter fastWriter;
std::string jsonMessage = fastWriter.write(fromScratch);
Json::Value parsedFromString;
Json::Reader reader;
bool parsingSuccessful = reader.parse(jsonMessage,parsedFromString);
if (parsingSuccessful)
{
std::cout << styledWriter.write(parsedFromString) << std::endl;
}
void output(const Json::Value & value)
{
// querying the json object is very simple
std::cout << value["hello"];
std::cout << value["number"];
std::cout << value["array"][0] << value["array"][1];
std::cout << value["object"]["hello"];
}
(编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |