cocos2d-x中使用json

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首先去下载JsonCpp这个库，放到项目的Class目录下，再在项目中添加进来。

然后、、、然后看图。。。

//JsonTestLayer.h#pragma once#include "json/json.h"#include "cocos2d.h"USING_NS_CC;class JsonTestLayer : public CCLayer{public:CREATE_FUNC(JsonTestLayer);bool init();protected:};

//JsonTestLayer.cpp#include "JsonTestLayer.h"#include <string>#include <iostream>using namespace std;#define jsonFilePath "file/json_test.txt"#define LABEL_FONT_SIZE 28#define LABEL_FONT_NAME "Arial"enum TAG{ Tag_Label_Direction,Tag_Label_Format,Tag_Label_Id,Tag_Label_Name,Tag_Label_Sex,Tag_Label_Love,Tag_Label_Chat};bool JsonTestLayer::init(){bool bRet = false;do {CC_BREAK_IF( !CCLayer::init() );CCSize winSize = CCDirector::sharedDirector()->getWinSize();/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Json test///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////read fileunsigned long dataSize;unsigned char * pData;pData = CCFileUtils::sharedFileUtils()->getFileData(jsonFilePath, "r", &dataSize);if( pData==NULL || dataSize==0 ){CCLog("JsonTestLayer --> getdata json_test file error!");break;}//解析Json::Reader reader;Json::Value  root;if ( !reader.parse(string(pData, pData+dataSize), root) ){CCLog("ERROR: JsonTestLayer --> parse json_test file error!");break;}// 1. directionstring strDirection = root["direction"].asString();CCLabelTTF* labelDirection = CCLabelTTF::create(strDirection.c_str(), LABEL_FONT_NAME, LABEL_FONT_SIZE, CCSize(winSize.width-60, 0), kCCTextAlignmentLeft);addChild(labelDirection, 1, Tag_Label_Direction);labelDirection->setAnchorPoint(ccp(0.5,1));labelDirection->setPosition(ccp(winSize.width/2, winSize.height-20));// 2. formatstring strFormat = root["format"].asString();CCLabelTTF* LabelFormat = CCLabelTTF::create(strFormat.c_str(), LABEL_FONT_NAME, LABEL_FONT_SIZE, CCSize(winSize.width-60, 0), kCCTextAlignmentLeft);addChild(LabelFormat, 1, Tag_Label_Format);LabelFormat->setAnchorPoint(ccp(0.5,1));LabelFormat->setPosition(ccp(winSize.width/2, labelDirection->getPositionY()-labelDirection->getContentSize().height-50));// 3. strings arrayJson::Value oneObj;Json::Value strArr = root["strings"];if( strArr.size() != 5){CCLog("ERROR: JsonTestLayer --> json file size is [%d]", strArr.size());break;}//for(Json::Value::iterator it= strArr.begin(); it!=strArr.end(); ++it)// array 1 -> id (int)oneObj = strArr[(Json::Value::UInt)0];int id = oneObj["id"].asInt();// array 2 -> name (string)oneObj = strArr[1];string name = oneObj["name"].asString();// array 3 -> sex (bool)oneObj = strArr[2];bool sex = oneObj["sex"].asBool();// array 4 -> love (null)oneObj = strArr[3];int love1 = oneObj["love"].asInt();string love2 = oneObj["love"].asString();////////// array 5 -> chatoneObj = strArr[4];string chat = oneObj["chat"].asString();char buf[20] = "";//sprintf(buf, "%d", id);CCLabelTTF* labelId = CCLabelTTF::create(buf, LABEL_FONT_NAME, LABEL_FONT_SIZE);addChild(labelId, 1, Tag_Label_Id);labelId->setPosition(ccp(winSize.width/2, winSize.height/2 - 50));//CCLabelTTF* labelName = CCLabelTTF::create(name.c_str(), LABEL_FONT_NAME, LABEL_FONT_SIZE);addChild(labelName, 1, Tag_Label_Name);labelName->setPosition(ccp(winSize.width/2, winSize.height/2-100));//if(sex) strcpy(buf, "male");else    strcpy(buf, "female");CCLabelTTF* labelSex = CCLabelTTF::create(buf, LABEL_FONT_NAME, LABEL_FONT_SIZE);addChild(labelSex, 1, Tag_Label_Sex);labelSex->setPosition(ccp(winSize.width/2, winSize.height/2-150));////CCLabelTTF* labelChat = CCLabelTTF::create(chat.c_str(), LABEL_FONT_NAME, LABEL_FONT_SIZE, CCSize(winSize.width-60, 0), kCCTextAlignmentLeft);addChild(labelChat, 1, Tag_Label_Chat);labelChat->setPosition(ccp(winSize.width/2, winSize.height/2-200-labelChat->getContentSize().height/2));bRet = true;} while (0);return bRet;}

//json解析的文件。。

exe

——————————此人很懒、、、

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