C# 如何筛选.CSV文件C的读取行#
我有一个结构化的文件。 在您编写的应用程序中，有两个加载两个文件并比较两个文件中相同的前两个元素。 如果相同，则加载第一个元素和第二个元素combobox1和combobox2。 在第二个组合框中，当您选择相应的年份时，应阅读第四个元素“选择的年份”？ 从每行的第四个元素到最后一个元素是从1月到12月的月份，每行的第三个元素是从1月到31月的月份。 如何从combobox中读取所选年份每个月的数据C# 如何筛选.CSV文件C的读取行#,c#,.net,winforms,visual-studio,visual-studio-2015,C#,.net,Winforms,Visual Studio,Visual Studio 2015,我有一个结构化的文件。 在您编写的应用程序中，有两个加载两个文件并比较两个文件中相同的前两个元素。 如果相同，则加载第一个元素和第二个元素combobox1和combobox2。 在第二个组合框中，当您选择相应的年份时，应阅读第四个元素“选择的年份”？ 从每行的第四个元素到最后一个元素是从1月到12月的月份，每行的第三个元素是从1月到31月的月份。 如何从combobox中读取所选年份每个月的数据 18050,1976,1,0.390,0.660,0.290,0.740,9.160,1.400,
18050,1976,1,0.390,0.660,0.290,0.740,9.160,1.400,0.670,3.120,0.460,0.420,0.360,0.400,
18050,1976,2,0.390,0.520,0.290,0.740,7.540,1.270,0.670,2.660,0.460,0.420,0.360,0.380,
18050,1976,3,0.390,0.450,0.240,0.660,5.260,1.270,0.670,2.510,0.460,0.420,0.410,0.400,
18050,1976,4,0.390,0.450,0.240,0.660,4.400,1.180,0.620,2.360,0.460,0.410,0.400,0.440,
18050,1976,5,0.390,0.450,0.290,0.660,4.220,1.080,0.620,2.360,0.460,0.410,0.400,4.750,
18050,1976,6,0.520,0.390,0.240,0.580,4.040,1.270,0.620,4.200,0.460,0.410,0.380,2.810,
18050,1976,7,0.390,0.390,0.240,0.520,3.680,37.800,0.620,5.870,0.460,0.400,0.360,1.620,
18050,1976,8,0.390,0.390,0.200,0.580,3.330,22.900,0.580,4.570,0.460,0.380,0.360,0.980,
18050,1976,9,0.390,0.390,0.200,0.660,2.830,11.200,0.580,4.020,0.460,0.360,0.360,0.740,
18050,1976,10,0.390,0.340,0.200,1.380,2.650,8.120,0.580,3.660,0.440,0.360,0.360,0.520,
18050,1976,11,0.340,0.390,0.200,2.260,2.350,5.870,0.580,3.270,0.440,0.360,0.360,0.460,
18050,1976,12,0.340,0.450,0.200,1.700,2.350,4.750,0.580,4.570,0.440,0.360,0.360,0.460,
18050,1976,13,0.340,0.390,0.200,1.590,2.350,3.840,0.540,4.020,0.440,0.340,0.360,0.440,
18050,1976,14,0.340,0.390,0.290,2.120,2.200,3.120,0.540,3.660,0.420,0.340,0.340,0.520,
18050,1976,15,0.290,0.390,0.290,2.400,2.050,2.970,0.540,3.270,0.420,0.400,0.340,0.520,
18050,1976,16,0.290,0.390,0.240,1.590,1.770,2.810,0.540,2.970,0.420,0.360,0.340,0.440,
18050,1976,17,0.290,0.340,0.290,1.170,1.520,2.660,0.540,2.660,0.410,0.360,0.330,0.420,
18050,1976,18,0.290,0.340,0.290,1.170,1.270,2.360,0.540,2.210,0.410,0.410,0.340,0.420,
18050,1976,19,0.240,0.340,0.390,1.170,1.080,2.210,0.540,2.060,0.410,0.410,0.400,0.410,
18050,1976,20,0.290,0.340,0.390,1.010,1.080,2.060,0.520,1.760,0.400,0.400,1.340,0.400,
18050,1976,21,0.290,0.290,0.390,0.920,1.270,1.760,0.520,1.200,0.740,0.400,2.660,0.400,
18050,1976,22,0.340,0.290,0.450,0.820,2.860,1.480,0.520,1.080,0.580,0.380,1.760,0.400,
18050,1976,23,0.340,0.290,0.520,0.740,3.050,1.200,0.520,0.980,0.580,0.380,0.980,0.400,
18050,1976,24,0.340,0.290,0.520,0.660,4.000,0.980,0.540,0.810,0.540,0.380,0.520,0.380,
18050,1976,25,0.340,0.290,0.920,0.740,2.680,0.890,2.810,0.670,0.520,0.360,0.460,0.380,
18050,1976,26,0.390,0.290,1.380,1.380,2.060,0.810,2.510,0.580,0.520,0.360,0.440,0.380,
18050,1976,27,0.740,0.290,1.490,2.570,1.770,0.810,2.510,0.580,0.490,0.360,0.420,0.380,
18050,1976,28,1.280,0.290,1.380,2.730,1.770,0.740,4.750,0.520,0.460,0.360,0.410,0.360,
18050,1976,29,1.010,0.290,1.090,3.610,1.650,0.740,5.480,0.520,0.420,0.360,0.410,0.360,
18050,1976,30,0.820,,0.820,4.000,1.520,0.670,4.210,0.490,0.420,0.360,0.400,0.360,
18050,1976,31,0.660,,0.740,,1.520,,3.660,0.460,,0.360,,0.440,
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
label3.Hide();
label4.Hide();
}
string pathFolder;
string pathFolder2;
string resultStation;
string resultStation2;
List<string> resultYears = new List<string>();
List<string> resultYears2 = new List<string>();
private void button1_Click(object sender, EventArgs e)
{
using (OpenFileDialog dialog = new OpenFileDialog())
{
if (dialog.ShowDialog(this) == DialogResult.OK)
{
string sFileName = dialog.FileName;
pathFolder = sFileName;
label3.Text = pathFolder;
label3.Show();
string[] lines = System.IO.File.ReadAllLines(dialog.FileName);
int i = 0;
foreach (var line in lines)
{
var splittedValues = line.Split(',');
var firstWord = splittedValues[0];
var firstYear = splittedValues[1];
// var JanuaryFirst = splittedValues[3];
// var lastJanuary = File.ReadLines(pathFolder).Last();
// var JanuaryLast = lastJanuary[3];
if (!resultYears.Contains(firstYear))
{
resultYears.Add(firstYear);
}
if (i == 0)
{
resultStation = firstWord;
}
else
{
if (resultStation != firstWord)
{
MessageBox.Show("Файла с дневни данни трябва да съдържа само една станция!");
return;
}
}
i++;
}
resultYears.Sort();
}
}
}
private void button2_Click(object sender, EventArgs e)
{
using (OpenFileDialog dialog = new OpenFileDialog())
{
if (dialog.ShowDialog(this) == DialogResult.OK)
{
string sFileName = dialog.FileName;
pathFolder2 = sFileName;
label4.Text = pathFolder2;
label4.Show();
string[] lines = System.IO.File.ReadAllLines(dialog.FileName);
int i = 0;
foreach (var line in lines)
{
var splittedValues = line.Split(',');
var firstWord = splittedValues[0];
var firstYear2 = splittedValues[1];
if (!resultYears2.Contains(firstYear2))
{
resultYears2.Add(firstYear2);
}
if (i == 0)
{
resultStation2 = firstWord;
}
else
{
if (resultStation2 != firstWord)
{
MessageBox.Show("Файла с месечни данни трябва съдържа само една станция!");
return;
}
}
i++;
}
resultYears2.Sort();
}
}
}
public void label3_Click(object sender, EventArgs e)
{
}
public void label4_Click(object sender, EventArgs e)
{
}
private void button3_Click(object sender, EventArgs e)
{
if (resultStation != resultStation2)
{
MessageBox.Show("Номера на станцията в единия файл не отговаря на номера на станцията в другият файл!" + Environment.NewLine + Environment.NewLine +
"ЗАБЕЛЕЖКА!" + Environment.NewLine + Environment.NewLine + "В двата файла, номера на станцията трябва да бъде един и същ!");
}
comboBox1.Items.Add(resultStation);
if (string.Join(", ", resultYears) == string.Join(", ", resultYears2))
//if (resultYears.Equals(resultYears2))
{
for (int i = 0; i < this.resultYears.Count; i++)
{
comboBox2.Items.Add(resultYears[i]);
}
}
else
{
MessageBox.Show("Годините от двата файла не съвпадат.");
}
}
}
}
使用系统；
使用System.Collections.Generic；
使用系统组件模型；
使用系统数据；
使用系统图；
使用System.IO；
使用System.Linq；
使用系统文本；
使用System.Threading.Tasks；
使用System.Windows.Forms；
命名空间WindowsFormsApp1
{
公共部分类Form1:Form
{
公共表格1（）
{
初始化组件（）；
label3.Hide（）；
label4.Hide（）；
}
字符串路径文件夹；
字符串路径文件夹2；
字符串结果；
字符串resultStation2；
List resultYears=新列表（）；
List resultYears2=新列表（）；
私有无效按钮1\u单击（对象发送者，事件参数e）
{
使用（OpenFileDialog=newOpenFileDialog（））
{
if（dialog.ShowDialog（this）=DialogResult.OK）
{
字符串sFileName=dialog.FileName；
pathFolder=sFileName；
label3.Text=路径文件夹；
label3.Show（）；
string[]lines=System.IO.File.ReadAllLines（dialog.FileName）；
int i=0；
foreach（行中的var行）
{
var splittedValues=line.Split（'，'）；
var firstWord=splittedValues[0]；
第一年风险值=分割值[1]；
//var JanuaryFirst=分割值[3]；
//var Last一月=File.readline（pathFolder.Last（）；
//var JanuaryLast=去年1月[3]；
如果（！resultYears.Contains（第一年））
{
结果：添加（第一年）；
}
如果（i==0）
{
结果站=第一个词；
}
其他的
{
if（resultStation！=第一个字）
{
消息框显示（“Фаааааааааааааааааааааааа；
回来
}
}
i++；
}
resultYears.Sort（）；
}
}
}
私有无效按钮2\u单击（对象发送者，事件参数e）
{
使用（OpenFileDialog=newOpenFileDialog（））
{
if（dialog.ShowDialog（this）=DialogResult.OK）
{
字符串sFileName=dialog.FileName；
pathFolder2=sFileName；
label4.Text=pathFolder2；
label4.Show（）；
string[]lines=System.IO.File.ReadAllLines（dialog.FileName）；
int i=0；
foreach（行中的var行）
{
var splittedValues=line.Split（'，'）；
var firstWord=splittedValues[0]；
var firstYear2=分割值[1]；
如果（！resultYears2.Contains（firstYear2））
{
结果ears2.Add（第一年2）；
}
如果（i==0）
{
结果统计2=第一个词；
}
其他的
{
if（resultStation2！=第一个字）
{
消息框显示（“Фаааааааааааааааааааааааа；
回来
}
}
i++；
}
resultYears2.Sort（）；
}
}
}
公共无效标签3_单击（对象发送方，事件参数e）
{
}
公共无效标签4_单击（对象发送方，事件参数e）
{
}
私有无效按钮3\u单击（对象发送者，事件参数e）
{
if（resultStation！=resultStation2）
{
MessageBox.Show（“ааааааааааааааааааааааааааааа+
“三合一”+“环境.新线+环境.新线”+“三合一，三合一”；
}
comboBox1.Items.Add（resultStation）；
if（string.Join（“，”，resultYears）=string.Join（“，”，resultYears2））
//if（resultYears.Equals（resultYears2））
{
for（int i=0；istring[][] data = File.ReadLines(path).Select(r => r.Split(',')).Where(r => r[0] == station && r[1] == year).ToArray();
double sum = data.Select(r => r[3]).Where(v => v != "").Sum(v => Double.Parse(v));