rapidjson的read和write的sample
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头文件
#include "json/document.h"#include "json/prettywriter.h"#include "json/stringbuffer.h"
这是生成数组的
void test(){ string info = "{\"id\":\"1111111\",\"cards\":[0,1,2,3,4,5,6,7,8,9],\"jiaoDiZhu\":\"\"}"; rapidjson::Document doc; doc.Parse<0>(info.c_str()); rapidjson::Value &dataArray = doc["cards"]; if (dataArray.IsArray()) { for (rapidjson::SizeType i = 0; i < dataArray.Size(); i++) { const rapidjson::Value& object = dataArray[i]; printf("%d\n",object.GetInt()); } }}
void test(){ //read json string updateInfo = "{\"UpdateInfo\":[{\"url\":\"aaaa.ipa\",\"platform\":\"ios\"}]}"; rapidjson::Document doc; doc.Parse<0>(updateInfo.c_str()); rapidjson::Value &dataArray = doc["UpdateInfo"]; if (dataArray.IsArray()) { for (int i = 0; i < dataArray.Size(); i++) { const rapidjson::Value& object = dataArray[i]; string url = object["url"].GetString(); string platform = object["platform"].GetString(); } } //write json rapidjson::Document document; document.SetObject(); rapidjson::Document::AllocatorType& allocator = document.GetAllocator(); rapidjson::Value array(rapidjson::kArrayType); for (int i = 0; i < 10; i++) { rapidjson::Value object(rapidjson::kObjectType); object.AddMember("id", 1, allocator); object.AddMember("name", "test", allocator); object.AddMember("version", 1.01, allocator); object.AddMember("vip", true, allocator); object.SetInt(i); array.PushBack(object, allocator); } document.AddMember("title", "PLAYER INFO", allocator); document.AddMember("players", array, allocator); rapidjson::StringBuffer buffer; rapidjson::Writer<rapidjson::StringBuffer> writer(buffer); document.Accept(writer); auto out = buffer.GetString(); log("out: %s", out);}
下面是单个的
void readTest(){ char json[] = "{\"carriorName\":\"日本电信\",\"deviceName\":\"iPhone5,2\",\"osName\":\"android\",\"osVersion\":\"8.1\",\"appId\":\"com.mmcshadow.doudizhu\",\"versionName\":\"1.0\",\"versionCode\":\"1.0\",\"deviceId\":\"11111111\"}"; rapidjson::Document d; d.Parse<0>(json); printf("%s\n", d["carriorName"].GetString()); printf("%s\n", json);}
void writeTest(){ rapidjson::Document document; rapidjson::Document::AllocatorType& allocator = document.GetAllocator(); rapidjson::Value root(rapidjson::kObjectType); root.AddMember("name", "哥伦布啊", allocator); root.AddMember("gold",1234,allocator); rapidjson::StringBuffer buffer; rapidjson::Writer<rapidjson::StringBuffer> writer(buffer); root.Accept(writer); std::string reststring = buffer.GetString(); std::cout << reststring << std::endl;}
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