[code page] ofxJson天气预报解析，有issue，有时得到的数据不正确。

ofxJson weather check

#include "testApp.h"

//--------------------------------------------------------------
void testApp::setup(){
	font.loadFont("fzzhong.ttf", 96, true, true);
	font_LT23.loadFont("LT23.ttf", 30, true, true);
	font_ado.loadFont("Ado.otf", 24, true, true);
	bgImg.loadImage("img/bg.png");
	//设置区域
	std::wcout.imbue(std::locale("CHS"));
	timeMark = -601.0f;
	bDateCheck = false;
	dateNum = 0;
}

//--------------------------------------------------------------
void testApp::update(){
	if(ofGetElapsedTimef() - timeMark > 600.0f){							//每10分钟更新一次数据
		string url = "http://www.weather.com.cn/data/sk/101200101.html";	//武汉天气的接口地址
		bool parsingSuccessful = nowJson.open(url);
		if(parsingSuccessful) {	
			city = nowJson["weatherinfo"]["city"].asString();
			temp = nowJson["weatherinfo"]["temp"].asString();
			WD   = nowJson["weatherinfo"]["WD"].asString();
			WS   = nowJson["weatherinfo"]["WS"].asString();
			SD   = nowJson["weatherinfo"]["SD"].asString();
			time = nowJson["weatherinfo"]["time"].asString();
			if(nowJson.isConvertibleTo(Json::arrayValue)) 
				cout<<"YES"<<endl;
			else
				cout<<"NO"<<endl;
		}

		string all = nowJson.getRawString();
		wfstream wf;
		wf.open("a.txt", ios::app|ios::out);
		wf<<all.c_str()<<"\n";
		wf.close();

		timeMark = ofGetElapsedTimef();
		cout<<"MARK 1\n";
	}

	GetLocalTime(&stTime);
	if(!bDateCheck || stTime.wDay != dateNum) {								//得到每日详细天气信息
		string url_ = "http://m.weather.com.cn/data/101200101.html";
		bool parsingSuccessful = dateJson.open(url_);
		if(parsingSuccessful) {
			date = dateJson["weatherinfo"]["date"].asString();
			date_y = dateJson["weatherinfo"]["date_y"].asString();
			week = dateJson["weatherinfo"]["week"].asString();
			index = dateJson["weatherinfo"]["index"].asString();
			index_d = dateJson["weatherinfo"]["index_d"].asString();
			index_uv = dateJson["weatherinfo"]["index_uv"].asString();
			index_xc = dateJson["weatherinfo"]["index_xc"].asString();
			index_tr = dateJson["weatherinfo"]["index_tr"].asString();
			index_cl = dateJson["weatherinfo"]["index_cl"].asString();
			index_ls = dateJson["weatherinfo"]["index_ls"].asString();
			index_ag = dateJson["weatherinfo"]["index_ag"].asString();
			for(int i=1; i<=6; i++){
				string a, b, c;
				a = "temp" + ofToString(i);
				b = "weather" + ofToString(i);
				c = "wind" + ofToString(i);
				temps[i-1] = dateJson["weatherinfo"][a].asString();
				weatheres[i-1] = dateJson["weatherinfo"][b].asString();
				winds[i-1] = dateJson["weatherinfo"][c].asString();
			}
			cout<<"MARK 2\n";
		}
		bDateCheck = true;
		dateNum = stTime.wDay;
		cout<<"MARK 3\n";
	}
}

//--------------------------------------------------------------
void testApp::draw(){
	bgImg.draw(0, 0, 480, 800);

	//显示实时时间
//	font_LT23.drawString(ofToString(stTime.wHour)+":"+ofToString(stTime.wMinute), 50, 100 );

	//显示日期
//	font_ado.drawString(stringToWstring(week), 50, 150);
//	wcout<<stringToWstring(date_y)<<"\n";

	//显示实时温度
// 	font.drawString(temp, 50, 300);
// 	font.drawString(L"℃", 200, 300);

	ofDrawBitmapString(nowJson.getRawString(), 50, 14);
}

//--------------------------------------------------------------
wchar_t* testApp::stringToWstring(string src) {

	int len = src.size();
	int wcslen = ::MultiByteToWideChar(CP_UTF8, NULL, src.c_str(), len, NULL, 0);
	wchar_t* wszString = new wchar_t[wcslen + 1];
	::MultiByteToWideChar(CP_UTF8, NULL, city.c_str(), len, wszString, wcslen);
	wszString[wcslen] = L'\0';
	return wszString;
}

//--------------------------------------------------------------
void testApp::keyPressed(int key){

}

//--------------------------------------------------------------
void testApp::keyReleased(int key){

}

//--------------------------------------------------------------
void testApp::mouseMoved(int x, int y ){

}

//--------------------------------------------------------------
void testApp::mouseDragged(int x, int y, int button){

}

//--------------------------------------------------------------
void testApp::mousePressed(int x, int y, int button){

}

//--------------------------------------------------------------
void testApp::mouseReleased(int x, int y, int button){

}

//--------------------------------------------------------------
void testApp::windowResized(int w, int h){

}

//--------------------------------------------------------------
void testApp::gotMessage(ofMessage msg){

}

//--------------------------------------------------------------
void testApp::dragEvent(ofDragInfo dragInfo){ 

}

//head file

pragma once

include "ofMain.h"

include "ofxTrueTypeFontUc.h"

include "ofxJSONElement.h"

class testApp : public ofBaseApp{

public:
void setup();
void update();
void draw();

void keyPressed  (int key);
void keyReleased(int key);
void mouseMoved(int x, int y );
void mouseDragged(int x, int y, int button);
void mousePressed(int x, int y, int button);
void mouseReleased(int x, int y, int button);
void windowResized(int w, int h);
void dragEvent(ofDragInfo dragInfo);
void gotMessage(ofMessage msg);
wchar_t* stringToWstring(string src);

ofxJSONElement nowJson, dateJson;
ofxTrueTypeFontUC font, font_LT23, font_ado;
float timeMark;
ofImage bgImg;
bool bDateCheck;
int dateNum;
SYSTEMTIME stTime;

string city, temp, WD, WS, SD, time;        //实时信息
string temps[6], weatheres[6], winds[6];    //近6天的温度，天气，风力
string date, date_y, week, index, index_d, index_uv, index_xc, index_tr, index_cl, index_ls, index_ag;

};

jeffcrouse/ofxJSON#5