using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using System.Text;
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using IStation.Model;
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namespace IStation.WinFrmUI.River
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{
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internal class TideFromBookHelper
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{
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/// <summary>
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/// 获取潮汐数据
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/// </summary>
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static public List<Model.TileLevel> GetByDay1(
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DateTime startday,
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out string error)
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{
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error = null;
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return ReadList(startday );
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="startday"></param>
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/// <param name="error"></param>
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/// <returns></returns>
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static public List<Model.TimeWaterLevel> GetByDay2(DateTime startday, out string error)
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{
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var waterLevels长江 = new List<TimeWaterLevel>();
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error = null;
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var list = ReadList(startday );
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if (list != null)
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{
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foreach (var h in list)
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{
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waterLevels长江.Add(
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new TimeWaterLevel(
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new DateTime(startday.Year, startday.Month, startday.Day, h.Hour, 0, 0), h.Level));
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}
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}
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else
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{
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error = null;
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}
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return waterLevels长江;
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}
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/// <summary>
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/// 读取
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/// </summary>
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/// <param name="Startday"></param>
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/// <param name="Endday"></param>
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/// <param name="folder"></param>
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/// <returns></returns>
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static public List<Model.TimeWaterLevel> GetByDayRange(DateTime Startday, DateTime Endday, out string error)
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{
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var waterLevels长江 = new List<TimeWaterLevel>();
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for (DateTime currentDate = Startday; currentDate <= Endday; currentDate = currentDate.AddDays(1))
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{
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var list1 = ReadList(currentDate );
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if (list1 != null && list1.Count > 0)
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{
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for (int h = 0; h < 24; h++)
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{
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waterLevels长江.Add(
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new TimeWaterLevel(
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new DateTime(currentDate.Year, currentDate.Month, currentDate.Day, h, 0, 0),
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list1[h].Level));
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}
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}
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}
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error = null;
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return waterLevels长江;
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}
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static private List<Model.TileLevel> ReadList(DateTime day )
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{
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var list = new List<Model.TileLevel>();
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var folder = System.IO.Path.Combine(IStation.DataFolderHelper.GetRootPath(),
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"Tide", "FromBook",
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day.Year.ToString(),
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day.ToString("yyyy-MM"));
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if (!System.IO.Directory.Exists(folder))
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{
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System.IO.Directory.CreateDirectory(folder);
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return null;
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}
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var fileName = System.IO.Path.Combine(folder,
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string.Format("{0}.csv", day.ToString("yyyy-MM-dd")));
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if (!System.IO.File.Exists(fileName))
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{
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return null;
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}
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//文件流读取
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System.IO.FileStream fs = new System.IO.FileStream(fileName, System.IO.FileMode.Open);
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System.IO.StreamReader sr = new System.IO.StreamReader(fs, Encoding.GetEncoding("gb2312"));
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string tempText;
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int line = 0;
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while ((tempText = sr.ReadLine()) != null)
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{
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line++;
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string[] arr = tempText.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
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//一般第一行为标题，所以取出来作为标头
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list.Add(new Model.TileLevel(Convert.ToInt32(arr[0]), Convert.ToDouble(arr[1])));
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}
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//关闭流
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sr.Close(); fs.Close();
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return list;
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}
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/// <summary>
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/// 写
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/// </summary>
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/// <param name="day"></param>
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/// <param name="list"></param>
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static public void SaveList(DateTime day, List<Model.TileLevel> list)
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{
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if (list == null)
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return;
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try
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{
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var folder = System.IO.Path.Combine(IStation.DataFolderHelper.GetRootPath(),
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"Tide", "FromBook",
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day.Year.ToString(),
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day.ToString("yyyy-MM"));
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if (!System.IO.Directory.Exists(folder))
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{
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System.IO.Directory.CreateDirectory(folder);
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}
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var fileName = System.IO.Path.Combine(folder,
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string.Format("{0}.csv", day.ToString("yyyy-MM-dd")));
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StreamWriter streamWriter = new StreamWriter(fileName, false, System.Text.Encoding.GetEncoding("gb2312"));
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StringBuilder StringBuilder = new StringBuilder();
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// 写出数据
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foreach (var m in list)
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{
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StringBuilder.AppendLine(); StringBuilder.AppendFormat("{0},{1}", m.Hour, m.Level);
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}
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streamWriter.Write(StringBuilder.ToString());
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streamWriter.Flush();
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streamWriter.Close();
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}
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catch (Exception ex)
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{
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IStation.LogHelper.WriteError("write tide file error:" + ex.Message, ex);
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return;
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}
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}
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}
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}
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