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Jsoncpp example，
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转载自json c++ examples
// ---- create from scratch ----
Json::Value fromScratch@H_404_6@;
Json::Value array@H_404_6@;
array.append("hello")@H_404_6@;
array.append("world")@H_404_6@;
fromScratch["hello"] = "world"@H_404_6@;
fromScratch["number"] = 2@H_404_6@;
fromScratch["array"] = array@H_404_6@;
fromScratch["object"]["hello"] = "world"@H_404_6@;
output(fromScratch)@H_404_6@;
// write in a nice readible way
Json::StyledWriter styledWriter@H_404_6@;
std::cout << styledWriter.write(fromScratch)@H_404_6@;
// ---- parse from string ----
// write in a compact way
Json::FastWriter fastWriter@H_404_6@;
std::string jsonMessage = fastWriter.write(fromScratch)@H_404_6@;
Json::Value parsedFromString@H_404_6@;
Json::Reader reader@H_404_6@;
bool parsingSuccessful = reader.parse(jsonMessage,parsedFromString)@H_404_6@;
if (parsingSuccessful)
{
std::cout << styledWriter.write(parsedFromString) << std::endl@H_404_6@;
}
void output(const Json::Value & value)
{
@H_404_6@// 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"];
}
原文链接：https://www.f2er.com/json/289475.html
