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简单windows服务
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互联网集市收集整理的这篇技术教程文章主要介绍了简单windows服务，小编现在分享给大家，供广大互联网技能从业者学习和参考。文章包含8114字，纯文字阅读大概需要12分钟。
内容图文
首先包括定时器的控制，和服务的开始，也包括加载xml的方法，以及JSON反序列化的方法和Get请求的方法。
首先上代码
using Gdky.Common;
using Gdky.CS.DBUtility;
using GdkyWeatherService;
using MySql.Data.MySqlClient;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Configuration;
using System.Data;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Net;
using System.Runtime.Serialization.Json;
using System.ServiceProcess;
using System.Text;
using System.Timers;
using System.Xml;
namespace WeatherService
{
public partial class Service1 : ServiceBase
{
/// <summary>
/// 所有需要采集天气的城市编码
/// </summary>
public List<cityConfig> CitysConfig = new List<cityConfig>();
/// <summary>
/// 采集天气方式
/// </summary>
public string type { get; set; }
/// <summary>
/// 采集预测天气时间点
/// </summary>
public string[] hours { get; set; }
public string xmlPath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + "CityConfig.xml";
public Service1()
{
InitializeComponent();
}
DbHelperMySQL helper = new DbHelperMySQL();
protected override void OnStart(string[] args)
{
try
{
///采集天气的方式 0：天气网 1:新浪网
type = helper.Query("select * from sys_dictionary where ID=‘134‘").Tables[0].Rows[0]["WorkValue"].ToString();
///预测天气采集时间点
string hoursStr = helper.Query("select * from sys_dictionary where ID=‘135‘").Tables[0].Rows[0]["WorkValue"].ToString();
if (string.IsNullOrEmpty(hoursStr))
{
hoursStr = "2:00,08:00,12:00";
}
hours = hoursStr.Split(‘,‘);
LoadCityConfigXml(type = "0");
LogHelper.WriteWebLog("天气采集服务启动...");
StartWeatherServer();
}
catch (Exception ex)
{
LogHelper.WriteWebLog(ex.Message + "OnStart方法");
}
}
private void StartWeatherServer()
{
try
{
System.Timers.Timer timer_weater = new System.Timers.Timer(60000); //间隔60s
timer_weater.AutoReset = true;
timer_weater.Enabled = false; //执行一次
timer_weater.Elapsed += new ElapsedEventHandler(ExecutionCode);
timer_weater.Start();
}
catch (Exception ex)
{
LogHelper.WriteWebLog(ex.Message + "StartWeatherServer方法");
}
}
protected override void OnStop()
{
LogHelper.WriteWebLog("天气采集服务停止...");
}
private void ExecutionCode(object source, System.Timers.ElapsedEventArgs e)
{
try
{
if (DateTime.Now.ToString("mm") == "00") //每整点报告运行状态
LogHelper.WriteWebLog(string.Format("天气采集服务正在运行..."));
#region 固定时刻采集天气预报
if (hours.Contains(DateTime.Now.ToString("HH:mm")))//固定时刻采集天气预报
{
Result weather = new Result();
//天气采集逻辑
foreach (cityConfig item in CitysConfig)
{
weather = GetWeatherData(item.cityCode);
if (weather.code != 200)
{
LogHelper.WriteWebLog(string.Format("【Info】:{0}获取天气信息失败--{1}", item.cityCode, weather.message));
continue;
}
if (weather.data.day7.Count > 0 && weather.data.h24.Count > 0)//删除sta_weatherforecast中大于等于今天的数据
{
if (!DeleteWeatherForecast6And24(item))
LogHelper.WriteWebLog("【Info】:删除sta_weatherforecast数据失败");
}
foreach (DayData day in weather.data.day7)
{
if (!InsertWeatherForeCast(day, item))
LogHelper.WriteWebLog("【Info】:插入sta_weatherforecast数据失败");
}
}
}
}
catch (Exception ex)
{
LogHelper.WriteWebLog(ex.Message + "ExecutionCode方法");
}
#endregion
}
/// <summary>
/// 获取未来7天天气预报及当前天气状况
/// </summary>
/// <param name="cityid"></param>
/// <returns></returns>
private Result GetWeatherData(string city)
{
try
{
string json = HttpGet("http://xxx.xxx.xxx.xxx", "city=" + city + "&type=" + type);
Result result = JsonDeserialize<Result>(json);
LogHelper.WriteWebLog(string.Format("获取地区：{0}【{1}】天气信息成功", city, result.data.now.cityname));
return result;
}
catch (Exception ex)
{
LogHelper.WriteWebLog("【Error】:请求getWeather接口时发生错误--" + ex.Message);
return new Result();
}
}
#region 逻辑方法
/// <summary>
/// 插入sta_weatherforecast数据
/// </summary>
/// <param name="day"></param>
/// <param name="cityCode"></param>
/// <returns></returns>
private bool InsertWeatherForeCast(DayData day, cityConfig city)
{
bool signal = false;
try
{
string sql = @"INSERT INTO sta_weatherforecast (GetTime, CityId,TempAvg,TempMax,TempMin,Weather,Wind) VALUES (@GetTime, @CityId,@TempAvg,@TempMax,@TempMin,@Weather,@Wind)";
MySqlParameter[] sqlParams =
{
new MySqlParameter("@GetTime",day.Date),
new MySqlParameter("@CityId",city.cityID),
new MySqlParameter("@TempAvg",((day.maxTemp+day.minTemp)/2)),
new MySqlParameter("@TempMax",day.maxTemp),
new MySqlParameter("@TempMin",day.minTemp),
new MySqlParameter("@Weather",day.wea),
new MySqlParameter("@Wind",day.win)
};
int num = helper.ExecuteSql2(sql, sqlParams);
if (num > 0)
{
signal = true;
}
else
{
LogHelper.WriteWebLog(string.Format("【Info】:插入sta_weatherforecast数据失败"));
signal = false;
}
}
catch (Exception ex)
{
LogHelper.WriteWebLog("【Error】:插入sta_weatherforecast数据异常--" + ex.Message);
return false;
}
return signal;
}
/// <summary>
/// 删除sta_weatherforecast大于今天的数据
/// </summary>
/// <param name="cityCode"></param>
/// <returns></returns>
private bool DeleteWeatherForecast6And24(cityConfig city)
{
bool signal = false;
try
{
//保留前23天的数据
string sql = @"Delete from sta_weatherforecast Where CityId=‘" + city.cityID + "‘ and GetTime>=DATE_FORMAT(‘" + DateTime.Now.Date + "‘,‘%Y-%m-%d‘)";
DbHelperMySQL helper = new DbHelperMySQL();
int num = helper.ExecuteSql2(sql);
if (num >= 0)
{
signal = true;
}
else
{
LogHelper.WriteWebLog(string.Format("【Info】:删除sta_weatherforecast数据失败"));
signal = false;
}
return signal;
}
catch (Exception ex)
{
LogHelper.WriteWebLog("【Error】:删除sta_weatherforecast数据异常--" + ex.Message);
return false;
}
}
#endregion
#region 通用方法
public string HttpGet(string Url, string postDataStr)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);
request.Method = "GET";
request.ContentType = "text/html;charset=UTF-8";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
string retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
return retString;
}
/// <summary>
/// JSON序列化
/// </summary>
public string JsonSerializer<T>(T t)
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream();
ser.WriteObject(ms, t);
string jsonString = Encoding.UTF8.GetString(ms.ToArray());
ms.Close();
return jsonString;
}
/// <summary>
/// JSON反序列化
/// </summary>
public T JsonDeserialize<T>(string jsonString)
{
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
T obj = (T)ser.ReadObject(ms);
return obj;
}
#endregion
#region 加载XML
/// <summary>
/// 加载城市列表
/// </summary>
/// <param name="type"></param>
private void LoadCityConfigXml(string type)
{
try
{
CitysConfig = new List<cityConfig>(); //初始化
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(xmlPath);
XmlNode configsXml = xmlDoc.SelectSingleNode("CityConfigs");
XmlNodeList cityConfigXmls = configsXml.ChildNodes;
foreach (XmlNode item in cityConfigXmls)
{
cityConfig cityConfig = new cityConfig();
cityConfig.cityName = item.Attributes["cityName"].Value;
cityConfig.cityCode = item.Attributes["cityCode_" + type].Value;
cityConfig.cityID = item.Attributes["cityID"].Value;
XmlNodeList databaseXmls = item.ChildNodes;
//foreach (XmlNode db in databaseXmls)
//{
// cityConfig.databases.Add(db.Attributes["name"].Value, GdkyEncrypt.GDKY_DESDecrypt(db.InnerText.Trim()));
//}
CitysConfig.Add(cityConfig);
}
}
catch (Exception ex)
{
LogHelper.WriteWebLog("【Error】:加载CityConfigXML时发生错误--" + ex.Message);
}
}
#endregion
public class cityConfig
{
public string cityCode { get; set; }
public string cityName { get; set; }
/// <summary>
/// 数据库里city
/// </summary>
public string cityID { get; set; }
public Dictionary<string, string> databases = new Dictionary<string, string>();
}
}
}
原文：https://www.cnblogs.com/TheBob/p/10190525.html
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