Unity3d请求webservice

using UnityEngine;
using System.Collections;

public class YunScroll : MonoBehaviour
{
    private const int bg_w = 937;
    private const float mSpeed = 30.0f;
    Transform yun1;
    Transform yun2;

    // Use this for initialization
    void Start()
    {
        yun1 = transform.FindChild("yun1");
        Debug.Assert(yun1 != null, "对象找不到");

        yun2 = transform.FindChild("yun2");
        Debug.Assert(yun2 != null, "对象找不到");

       }

    // Update is called once per frame
    void Update()
    {
        //
        yun1.Translate(Vector3.left * Time.deltaTime * mSpeed);
        if (yun1.position.x <= -(bg_w / 2))
        {
            yun1.position = new Vector3(bg_w + (bg_w / 2), yun1.position.y, yun1.position.z);
        }

        //
        yun2.Translate(Vector3.left * Time.deltaTime * mSpeed);
        if (yun2.position.x <= -(bg_w / 2))
        {
            yun2.position = new Vector3(bg_w + (bg_w / 2), yun2.position.y, yun2.position.z);
        }
    }
}

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System;
using System.Text;
using System.Xml;
using UnityEngine.UI;

public class WeatherScript : MonoBehaviour
{
    enum Request_Type
    {
        POST,
        SOAP,
    }

    public Text title;
    public Text toDayInfo;
    public GameObject[] panels;

    private Dictionary<int, Transform[]> contextDic = new Dictionary<int, Transform[]>();

    // Use this for initialization
    void Start()
    {
        for (int i = 0; i < panels.Length; ++i)
        {
            Transform[] objs = new Transform[4];

            objs[0] = panels[i].transform.FindChild("Day");
            objs[1] = panels[i].transform.FindChild("Temperature");
            objs[2] = panels[i].transform.FindChild("Wind");
            objs[3] = panels[i].transform.FindChild("Image");

            contextDic[i] = objs;
        }

//         TextAsset textAsset = (TextAsset)Resources.Load("weather_2");
//         ParsingXml(textAsset.text, Request_Type.SOAP);
    }

    // Update is called once per frame
    void Update()
    {

    }

    /// <summary>
    /// post调用
    /// </summary>
    public void OnPost()
    {
        StartCoroutine(PostHandler());
    }

    /// <summary>
    /// soap调用
    /// </summary>
    public void OnSoap()
    {
        StartCoroutine(SoapHandler());
    }

    IEnumerator PostHandler()
    {
        WWWForm form = new WWWForm();

        form.AddField("theCityCode", "深圳");
        form.AddField("theUserID", "");

        WWW w = new WWW("http://ws.webxml.com.cn/WebServices/WeatherWS.asmx/getWeather", form);

        yield return w;

        if (w.isDone)
        {
            if (w.error != null)
            {
                print(w.error);
            }
            else
            {
                ParsingXml(w.text, Request_Type.POST);
            }
        }
    }

    IEnumerator SoapHandler()
    {
        StringBuilder soap = new StringBuilder();
                        
        soap.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
        soap.Append("<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">");
        soap.Append("<soap12:Body>");
        soap.Append("<getWeather xmlns=\"http://WebXml.com.cn/\">");
        soap.Append("<theCityCode>深圳</theCityCode>");
        soap.Append("<theUserID></theUserID>");
        soap.Append("</getWeather>");
        soap.Append("</soap12:Body>");
        soap.Append("</soap12:Envelope>");

        WWWForm form = new WWWForm();
        var headers = form.headers;

        headers["Content-Type"] = "text/xml; charset=utf-8";
        headers["SOAPAction"] = "http://WebXml.com.cn/getWeather";
        headers["User-Agent"] = "gSOAP/2.8";

        WWW w = new WWW("http://ws.webxml.com.cn/WebServices/WeatherWS.asmx", Encoding.UTF8.GetBytes(soap.ToString()), headers);
        yield return w;
        if (w.isDone)
        {
            if (w.error != null)
            {
                print(w.error);
            }
            else
            {
                ParsingXml(w.text, Request_Type.SOAP);
            }
        }
    }

    private void ParsingXml(string _xml,Request_Type _type)
    {
        XmlDocument xmlDoc = new XmlDocument();

        xmlDoc.LoadXml(_xml);

        XmlNode arrOfStr = xmlDoc.DocumentElement;
        XmlNodeList childNode = null;

        #region POST
        if (_type == Request_Type.POST)
        {
            childNode = arrOfStr.ChildNodes;
        }
        #endregion
        #region SOAP
        else if (_type == Request_Type.SOAP)
        {
            xmlDoc.LoadXml(arrOfStr.InnerXml);
            arrOfStr = xmlDoc.DocumentElement;
            xmlDoc.LoadXml(arrOfStr.InnerXml);
            arrOfStr = xmlDoc.DocumentElement;
            xmlDoc.LoadXml(arrOfStr.InnerXml);
            arrOfStr = xmlDoc.DocumentElement;
            childNode = arrOfStr.ChildNodes;
        }
        #endregion

        title.GetComponent<Text>().text = String.Format("<color=red>{0}</color>。{1},{2}",
            childNode[0].InnerXml,
            childNode[4].InnerXml,
            childNode[5].InnerXml);

        toDayInfo.GetComponent<Text>().text = childNode[6].InnerXml;

        for (int i = 0; i < contextDic.Count; ++i)
        {
            contextDic[i][0].GetComponent<Text>().text = childNode[7 + i * 5].InnerXml;
            contextDic[i][1].GetComponent<Text>().text = childNode[8 + i * 5].InnerXml;
            contextDic[i][2].GetComponent<Text>().text = childNode[9 + i * 5].InnerXml;

            string str = string.Format("a_{0}", childNode[10 + i * 5].InnerXml.Split(‘.‘)[0]);
            Sprite sp = Resources.Load(str, typeof(Sprite)) as Sprite;
            if (sp != null)
            {
                contextDic[i][3].GetComponent<Image>().sprite = sp;
            }
        }
    }
}