/// <summary>
/// 转换表中的值
/// </summary>
/// <param name="dt"></param>
/// <returns></returns>
public static DataTable Convert_TableValue(DataTable dt)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
if (dt.Columns.Count == 4) //根据输出列数判断是否是Soil
{
if (dt.Columns[0].ColumnName == "作业站") //根据列名判断作物范围
{
dt.Rows[i][0] = DataBaseOperate.getVillName(dt.Rows[i][0].ToString());
}
else if (dt.Columns[0].ColumnName == "作业区")
{
dt.Rows[i][0] = DataBaseOperate.getTownName(dt.Rows[i][0].ToString());
}
string date_vale = ((DateTime)dt.Rows[i][1]).ToShortDateString();
dt.Rows[i][1] = date_vale.ToString();
dt.Rows[i][2] = DataBaseOperate.get_CropCHName(dt.Rows[i][2].ToString());
if (!string.IsNullOrEmpty(dt.Rows[i][3].ToString()))
{
dt.Rows[i][3] = Math.Round((double)dt.Rows[i][3], 3);
}
}
else //soil
{
if (dt.Columns[0].ColumnName == "作业站")
{
dt.Rows[i][0] = DataBaseOperate.getVillName(dt.Rows[i][0].ToString());
}
else if (dt.Columns[0].ColumnName == "作业区")
{
dt.Rows[i][0] = DataBaseOperate.getTownName(dt.Rows[i][0].ToString());
}
string date_vale = ((DateTime)dt.Rows[i][1]).ToShortDateString();
dt.Rows[i][1] = date_vale.ToString();
//dt.Rows[i][1] = ((DateTime)dt.Rows[i][1]).ToShortDateString();
dt.Rows[i][2] = DataBaseOperate.get_CropCHName(dt.Rows[i][2].ToString());
dt.Rows[i][3] = DataBaseOperate.get_NutrientCHName(dt.Rows[i][3].ToString());
if (!string.IsNullOrEmpty(dt.Rows[i][4].ToString()))
{
dt.Rows[i][4] = Math.Round((double)dt.Rows[i][4], 4);
}
}
}
return(dt);
}
//转换表中的值
public static DataTable convert_TableValue(string rankname, string typename, DataTable dt)
{
for (int i = 0; i < dt.Rows.Count; i++)
{
switch (rankname)
{
case "PLOT":
dt.Rows[i][0] = DataBaseOperate.get_PlotName(dt.Rows[i][0].ToString());
break;
case "COUNTY":
dt.Rows[i][0] = DataBaseOperate.getCountyName(dt.Rows[i][0].ToString());
break;
case "VILLAGE":
dt.Rows[i][0] = DataBaseOperate.getVillName(dt.Rows[i][0].ToString());
break;
case "TOWN":
dt.Rows[i][0] = DataBaseOperate.getTownName(dt.Rows[i][0].ToString());
break;
}
dt.Rows[i][2] = DataBaseOperate.get_CropCHName(dt.Rows[i][2].ToString());
if (!typename.Contains("SOILNUTRIENT"))
{
if (!string.IsNullOrEmpty(dt.Rows[i][3].ToString()))
{
dt.Rows[i][3] = Math.Round(Convert.ToDecimal(dt.Rows[i][3].ToString()), 3);
}
}
else
{
dt.Rows[i][3] = DataBaseOperate.get_NutrientCHName(dt.Rows[i][3].ToString());
if (!string.IsNullOrEmpty(dt.Rows[i][4].ToString()))
{
dt.Rows[i][4] = Math.Round(Convert.ToDecimal(dt.Rows[i][4].ToString()), 3);
}
}
}
return(dt);
}
/// <summary>
/// 将图片流输出为文件
/// </summary>
/// <param name="tablename"></param>
public static string ExportSoilPicture(string type, string datetime, string cropcode, string nurient)
{
byte[] imagebytes;
string datetimeforamt = datetime.Substring(0, datetime.LastIndexOf(" ")).Replace('/', '-');
string cropName = DataBaseOperate.get_CropCHName(cropcode);
string nutrientName = DataBaseOperate.get_NutrientCHName(nurient);
string pathname = Application.StartupPath + @"\Image\" + type + "_" + datetimeforamt + "_" + cropName + "_" + nutrientName + ".jpg";
string strSql = "select PIC_MAP from MONITOR_PICTURE where INDICATOR_NAME='" + type + "' and MONITORTIME='" + datetime + "' and CROP_CODE='" + cropcode + "' and NUTRIENT_CODE='" + nurient + "'";
SqlConnection con = DataBaseOperate.getSqlCon();
SqlCommand cmd = new SqlCommand(strSql, con);
SqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);
string value_path = "";
while (reader.Read())
{
//获取图片数据
imagebytes = (byte[])reader["PIC_MAP"];
//将内存流格式化为位图
if (imagebytes.Length > 0)
{
MemoryStream stream = new MemoryStream(imagebytes);
if (File.Exists(pathname))
{
File.Delete(pathname);
}
Image image = Image.FromStream(stream);
image.Save(pathname);
stream.Close();
image.Dispose();
value_path = pathname;
}
else
{
value_path = "";
}
}
con.Close();
return(value_path);
}
private void btn_calculation_Click(object sender, EventArgs e)
{
date_count = DataBaseOperate.get_DateCount(dT_maize_s.Value, dT_maize_e.Value, "SOILNUTRIENT_PLOT");
date_list = DataBaseOperate.get_DateDetail(dT_maize_s.Value, dT_maize_e.Value, "SOILNUTRIENT_PLOT");
//获取Towncount
TownCount = AggregateToTown.get_TownCount();
//获取具体的TownCode
TownCode_list = AggregateToTown.get_TownCode();
CropCount = DataBaseOperate.get_CropCount();
CropCode_list = DataBaseOperate.get_CropCode();
nutrientCount = DataBaseOperate.get_NutrientCount();
nutrient_list = DataBaseOperate.get_NutrientCode();
if (date_count != 0)
{
for (int i = 0; i < date_count; i++) //datetime循环
{
for (int j = 0; j < TownCount; j++) //villagecode循环
{
for (int k = 0; k < CropCount; k++) //crop_count循环
{
for (int h = 0; h < nutrientCount; h++)
{
//输入查询限制条件，执行存储过程
SqlParameter[] param = new SqlParameter[] {
new SqlParameter("@time", Convert.ToDateTime(date_list[i])),
new SqlParameter("@code", CropCode_list[k]),
new SqlParameter("@towncode", TownCode_list[j]),
new SqlParameter("@nutrient_code", nutrient_list[h]),
new SqlParameter("@sum_result", SqlDbType.Float)
};
param[4].Direction = ParameterDirection.Output;
string value = AggregateToTown.get_SoilTownValue("calc_Town_SOILNUTRIENT", param);
if (value != "")
{
DataRow row = dt.NewRow();
row["作业区"] = DataBaseOperate.getTownName(TownCode_list[j]);
row["监测时间"] = Convert.ToDateTime(date_list[i]).ToShortDateString();
row["作物类型"] = DataBaseOperate.get_CropCHName(CropCode_list[k]);
row["养分类型"] = DataBaseOperate.get_NutrientCHName(nutrient_list[h]);
row["汇总结果"] = float.Parse(value);
row["汇总时间"] = DateTime.Now.ToShortDateString();
dt.Rows.Add(row);
}
}
}
}
}
if (dt.Rows.Count == 0)
{
MessageBox.Show("请检查输入条件或统计数据！");
}
else
{
dataGridView1.DataSource = dt;
}
}
else
{
MessageBox.Show("此时间段内，没有统计数据！");
}
InitDataSet();
}
