引入头文件

#include "json/document.h"
#include "json/writer.h"
#include "json/stringbuffer.h"
using namespace  rapidjson;

生成json串

rapidjson::Document document;
	document.SetObject();
	rapidjson::Document::AllocatorType& allocator = document.GetAllocator();
	rapidjson::Value array(rapidjson::kArrayType);
	rapidjson::Value object(rapidjson::kObjectType);
	object.AddMember("int", 1, allocator);
	object.AddMember("double", 1.0, allocator);
	object.AddMember("bool", true, allocator);
	object.AddMember("hello", "HelloWorld", allocator);
	array.PushBack(object, allocator);


	//document.AddMember("json", "json string", allocator);
	document.AddMember("json", array, allocator);


	StringBuffer buffer;
	rapidjson::Writer<StringBuffer> writer(buffer);
	document.Accept(writer);


	CCLOG("%s", buffer.GetString());
	


	std::string mstr = buffer.GetString();
	rapidjson::Document _mDoc;
	_mDoc.Parse<0>(mstr.c_str());


	const rapidjson::Value &pArr = _mDoc["json"];




	CCLOG("Size = %d", pArr.Capacity());
	for (int i = 0; i < pArr.Capacity(); ++i){


		const rapidjson::Value &temp = pArr[i];
		CCLOG("%d", temp["int"].GetInt());
	}