Unity获取当前城市天气

完善了根据当前IP查询所在城市编码，然后根据城市编码获取当前城市天气，DEMO下载地址

参考http://blog.csdn.net/wjb0108/article/details/41380193

效果：   

代码如下：

using UnityEngine;  using System.Collections;  using System.IO;  using LitJson;using System.Text.RegularExpressions;using System.Xml;using System.Text;public class WeatherTest : MonoBehaviour{       private string m_url = "http://www.weather.com.cn/data/cityinfo/";//上海天气  101210101.html    public string lbCity;//城市      public string lbTemperature;//温度      public string lbWeahter;//天气      public string lbTime;    public string lbHour;    public string lbMinute;    public string lbColon;    private System.DateTime dNow;    private string[] dow = { "星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六" };    private float deltaTime = 0.0f; //update Date      private float deltaTimeforWeather = 0.0f; // update Weather      private float howlongToUpdate = 3600f;    void Start()    {        StartCoroutine(GetExternalIp());    }    void Update()    {        //Date          dNow = System.DateTime.Now;        lbTime = dNow.ToString("yyyy年MM月dd日 HH:mm:ss  ") + dow[System.Convert.ToInt16(dNow.DayOfWeek)];        lbHour = dNow.ToString("HH");        lbMinute = dNow.ToString("mm");        deltaTime += Time.deltaTime;        if (deltaTime > 1.0f)        {            deltaTime = 0.0f;        }        deltaTimeforWeather += Time.deltaTime;        if (deltaTimeforWeather > howlongToUpdate)//每一小时更新一次          {            UpdateWeather();            deltaTimeforWeather = 0.0f;        }    }    public void UpdateWeather()    {        StartCoroutine(GetWeather(CityCodeId));    }    //void OnEnable()    //{    //    UpdateWeather();    //}    IEnumerator GetWeather(string CityId)//根据城市ID获取天气信息    {        if (m_url != null)        {            WWW www = new WWW(m_url + CityId + @".html");            Debug.Log("URL:"+m_url + CityId + @".html");            while (!www.isDone) { yield return www; }            if (www.text != null)            {                JsonData jd = JsonMapper.ToObject(www.text);                JsonData jdInfo = jd["weatherinfo"];                lbCity = jdInfo["city"].ToString();                lbTemperature = jdInfo["temp1"].ToString() + "~" + jdInfo["temp2"].ToString();                lbWeahter = jdInfo["weather"].ToString();                //。。。。需要的其它信息自己看接口提取                string strImg1 = jdInfo["img1"].ToString();                Debug.Log("city:" + lbCity + "\n weather:" + lbWeahter);            }        }    }    string ip;    IEnumerator GetExternalIp()//获取当前外网地址    {        WWW www = new WWW("http://www.ip138.com/ips138.asp");        while (!www.isDone) { yield return www; }        if (www.text != null)        {                       Regex r = new Regex("((25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]\\d|\\d)\\.){3}(25[0-5]|2[0-4]\\d|1\\d\\d|[1-9]\\d|[1-9])", RegexOptions.None);            Match mc = r.Match(www.text);            ip = mc.Groups[0].Value;            MacIp = ip;            StartCoroutine(GetAdrByIp());        }    }    string MacIp;    IEnumerator GetAdrByIp()//根据IP获取当前城市地址    {        //string url = "http://www.ip138.com/ips138.asp?ip=" + MacIp;        string url = "http://www.ip.cn/index.php?ip=" + MacIp;        string regStr = "(?<=<div\\s*id=\\\"result\\\">).*?(?=</div>)";        WWW html = new WWW(url.Trim());        print("IP查询地址："+url);        while (!html.isDone) { yield return html; }                if (html.text != null)        {            Regex reg = new Regex(regStr, RegexOptions.None);            Match ma = reg.Match(html.text);                        City = ma.Value;                        string resstr;            resstr = (ReplaceHtmlTag(City).Trim().Split('：')[2].Substring(0, 6)).ToString();            print(resstr);            string[] arr = resstr.Split('省');            Province = arr[0];            City = arr[1].Replace("市", null); Debug.Log("内容：" + City);            Xmlfilepath = Application.dataPath + @"/CityWeather/CityCode.xml";            CityCodeId = ReadXml(Xmlfilepath, City, Province);            Debug.Log(Province + "省" + City + CityCodeId);            UpdateWeather();        }    }    string Xmlfilepath;    string City;    string Province;    string CityCodeId;    public string ReadXml(string filepath, string value, string province)    {        string strvalue = null;        if (File.Exists(filepath))        {            XmlDocument xmlDoc = new XmlDocument();            xmlDoc.Load(filepath);            XmlNodeList nodeList = xmlDoc.SelectSingleNode("China").ChildNodes;            foreach (XmlElement xe in nodeList)            {                if (xe.GetAttribute("name") == province)                {                    foreach (XmlElement x1 in xe.ChildNodes)                    {                        foreach (XmlElement x2 in x1.ChildNodes)                        {                            if (x2.GetAttribute("name") == value)                            {                                strvalue = x2.GetAttribute("weatherCode");                            }                        }                    }                }            }        }         return strvalue;    }    public static string ReplaceHtmlTag(string html, int length = 0)//移除HTML标签    {        string strText = System.Text.RegularExpressions.Regex.Replace(html, "<[^>]+>", "");        strText = System.Text.RegularExpressions.Regex.Replace(strText, "&[^;]+;", "");        if (length > 0 && strText.Length > length)            return strText.Substring(0, length);        return strText;    }      void OnGUI()    {        GUI.Label(new Rect(60, 40, 200, 25),  "公 网 IP ：" + ip);        GUI.Label(new Rect(60, 70, 200, 25),  "所在城市 ：" + Province + "省" + City + "市");        GUI.Label(new Rect(60, 130, 200, 25), "城市编码：" + CityCodeId);        GUI.Label(new Rect(60, 160, 200, 25), "城市天气：" + lbWeahter);        GUI.Label(new Rect(60, 190, 200, 25), "城市气温：" + lbTemperature);        GUI.Label(new Rect(60, 100, 300, 25), "城市时间：" + lbTime);        }}