示例#1
0
        //点击生成平均值
        private void averdata_Click(object sender, EventArgs e)
        {
            int m1; //起始月份
            int m2; //终止月份
            int d1; //起始日期
            int d2; //终止日期
            int y1; //起始年份
            int y2; //终止年份

            try
            {
                m1 = int.Parse(month1.Text);
                m2 = int.Parse(month2.Text);
                d1 = int.Parse(day1.Text);
                d2 = int.Parse(day2.Text);
                y1 = int.Parse(yearText1.Text);
                y2 = int.Parse(yearText2.Text);

                Dates dates = new Dates();
                int   days1 = dates.getStrDateNew(y1, m1, d1);
                int   days2 = dates.getStrDateNew(y2, m2, d2);

                //判断日期是否合理
                if (days1 == 0 || days2 == 0)
                {
                    MessageBox.Show("日期非法", "错误提示");
                    return;
                }

                if (days2 - days1 > 0)
                {
                    string sqlstr = "select* from allData where date >= " + days1.ToString() + "&&" + "date <= " + days2.ToString();
                    Console.WriteLine(sqlstr);
                    if (updateViewForAver(sqlstr) == 1)
                    {
                        listView1.Items.Add("平均数据");
                        for (int i = 0; i < 10; i++)
                        {
                            listView1.Items[flg].SubItems.Add(avers[i].ToString());
                        }
                    }
                }
                else
                {
                    MessageBox.Show("数据错误", "错误提示");
                }
            }
            catch (Exception)
            {
                MessageBox.Show("数据错误", "错误提示");
            }
        }
 //获取数据库现有数据
 private int getPreData()
 {
     try
     {
         int   m          = int.Parse(month.Text);     //月
         int   d          = int.Parse(day.Text);       //日
         int   y          = int.Parse(yearsText.Text); //年
         Dates dates      = new Dates();
         int   searchDate = dates.getStrDateNew(y, m, d);
         Console.WriteLine(searchDate);
         if (searchDate == 0)
         {
             MessageBox.Show("请检查日期输入", "错误提示");
             return(0);
         }
         basedate = searchDate;
         string          name   = comboBox1.SelectedItem.ToString();
         string          sqlstr = "select* from cityList where name='" + name + "'";
         MySqlDataReader reader = Config.sqlSearch(sqlstr);
         if (reader == null)
         {
             MessageBox.Show("数据错误", "错误提示");
             return(0);
         }
         if (reader.Read())
         {
             cityWord     = reader.GetString("city");
             provinceWord = reader.GetString("province");
             sqlstr       = "select* from " + cityWord + " where date=" + searchDate.ToString();
             reader       = Config.sqlSearch(sqlstr);
             if (reader.Read())
             {
                 preDatalist = Config.setData(reader);
                 return(1);
             }
             else
             {
                 MessageBox.Show("该日数据未输入", "错误提示");
                 return(0);
             }
         }
         else
         {
             MessageBox.Show("找不到地区", "错误提示");
             return(0);
         }
     }
     catch (Exception)
     {
         MessageBox.Show("请输入正确数据", "错误提示");
         return(0);
     }
 }