请各位大虾帮我分析一下一段代码是否存在问题？

星月神话oO 2015-06-07 06:37:50

编写了一个接口提供平板调用，在本地测试是没有问题的，可以生成txt文件，但是更新到客户服务器却没有生成txt文件，但又没有报错。好怪，自己怀疑是使用了线程导致的？对线程不了解，第一次使用！
WebServiceMethod.SyncComInfo 这个方法用来获取Json，数据量较大执行比较久，然而使用了线程。

/// <summary> 同步企业信息（包括相关的证书信息）

    /// 编码字段：Wat_ComInfo:Com_Des,Com_Brand；Wat_BreedWay:Bre_ProductType,Bre_OtherDes

    /// </summary>

    /// <param name="AreaCode">行政区号</param>

    /// <returns></returns>

    [WebMethod]

    public string SyncComInfo(string AreaCode)

    {

        SyncCompanyInfo yci = new SyncCompanyInfo();

        return yci.SaveComInfoToTXT(AreaCode);

    }

using System;

using System.Data;

using System.Configuration;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.IO;

using System.Collections.Generic;

using MMFrame;

using FrameWork;

using FrameWork.Components;

using FrameWork.Facade;

using System.Xml;

using System.Runtime.Serialization.Json;

using System.Web.Script.Serialization;

using System.Collections;

using System.Text;

using System.Diagnostics;

using System.Threading;



/// <summary>

///SyncComInfo 的摘要说明

/// </summary>

public class SyncCompanyInfo

{

    public SyncCompanyInfo()

    {

        //

        //TODO: 在此处添加构造函数逻辑

        //

    }



    public string SaveComInfoToTXT(string AreaCode)

    {

        string GUID = Common.GetGUID;

        string Dir = System.Web.HttpContext.Current.Server.MapPath(Common.UpLoadDir);

        string txtDir = Common.CreateDirectory(Dir, "SyncComInfo\\" + GUID);

        System.Threading.Thread t = new System.Threading.Thread(() =>

        {

            WriteComInfoToTXT(AreaCode, txtDir);

        });

        t.IsBackground = true;

        t.Start();

        return "Public/SyncComInfo/" + GUID;

    }



    /// <summary> 企业信息写入TXT文件

    /// 

    /// </summary>

    /// <param name="AreaCode"></param>

    /// <returns></returns>

    public void WriteComInfoToTXT(string AreaCode, string txtDir)

    {

        //try

        //{

            StreamWriter sr = null;

            StreamWriter sw = null;

            string strJson = "";

            string txtPath = "";

            if (!string.IsNullOrEmpty(AreaCode))

            {

                StringBuilder sbSQL = new StringBuilder();

                sbSQL.AppendLine("select ValueID from Sys_FieldValue");

                sbSQL.AppendLine("where V_F_Key = 'ProvinceCityZoneKey' and V_ParValueID = '922'");

                sbSQL.AppendLine("and V_Code = '" + AreaCode + "'");

                int recordCount = 0;

                DataTable dt = new DataTable();

                dt = BusinessSystem.getDataList(sbSQL.ToString(), out recordCount).Tables[0];

                if (recordCount > 0)

                {

                    //市级

                    string valueId = dt.Rows[0]["ValueID"].ToString();

                    sbSQL = new StringBuilder();

                    sbSQL.AppendLine("select V_Code from Sys_FieldValue");

                    sbSQL.AppendLine("where V_F_Key = 'ProvinceCityZoneKey' and V_ParValueID = '" + valueId + "'");

                    recordCount = 0;

                    dt = new DataTable();

                    dt = BusinessSystem.getDataList(sbSQL.ToString(), out recordCount).Tables[0];

                    for (int i = 0; i < recordCount; i++)

                    {

                        string code = dt.Rows[i]["V_Code"].ToString();

                        txtPath = txtDir + "\\" + code + ".txt";

                        strJson = WebServiceMethod.SyncComInfo(code);

                        StreamWriter srA = File.CreateText(txtPath);

                        srA.Close();

                        //写入TXT

                        StreamWriter swA = new StreamWriter(txtPath, false, System.Text.Encoding.Default);

                        swA.WriteLine(strJson);

                        swA.Close();

                    }

                }

                else

                {

                    //区县级

                    txtPath = txtDir + "\\" + AreaCode + ".txt";

                    strJson = WebServiceMethod.SyncComInfo(AreaCode);

                    sr = File.CreateText(txtPath);

                    sr.Close();

                    //写入TXT

                    sw = new StreamWriter(txtPath, false, System.Text.Encoding.Default);

                    sw.WriteLine(strJson);

                    sw.Close();

                }

                //创建一个txt文件，用于平板判断Json是否生成完成

                string txtIsFinish = txtDir + "\\" + "IsFinish.txt";

                StreamWriter srF = File.CreateText(txtIsFinish);

                srF.Close();

                StreamWriter swF = new StreamWriter(txtIsFinish, false, System.Text.Encoding.Default);

                swF.WriteLine("HelloWorld.");

                swF.Close();

            }

        //}

        //catch (Exception ex)

        //{

        //    result = "False|" + ex.Message;

        //    FileTxtLogs.WriteLog("同步企业信息（" + AreaCode + "）出错！提示：" + ex.Message);

        //}

    }

}