433 lines
17 KiB
C#
433 lines
17 KiB
C#
using Microsoft.Win32;
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using OfficeOpenXml;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Configuration;
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using System.Data.SQLite;
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using System.IO;
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using System.Windows;
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using System.Windows.Media;
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using System.Windows.Media.Imaging;
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using static ShanghaiEnvironmentalTechnology.Window5;
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namespace ShanghaiEnvironmentalTechnology
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{
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public class AirRecordsRecordWithSelection : FlowPressureRecord
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{
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public bool IsSelected { get; set; }
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}
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public partial class ReportWindow2 : Window
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{
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private readonly string _lang = ConfigurationManager.AppSettings["Language"] ?? "zh-CN";
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private const int PageSize = 10;
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private int currentPage = 1;
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private int totalRecords = 0;
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// 新增：保存当前查询条件，用于删除后刷新
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private string _currentStartDate = null;
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private string _currentEndDate = null;
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// 新增：使用ObservableCollection支持数据绑定刷新
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private ObservableCollection<AirRecordsRecordWithSelection> _records = new ObservableCollection<AirRecordsRecordWithSelection>();
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public ReportWindow2()
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{
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InitializeComponent();
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LoadData();
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}
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private void LoadData(string startDate = null, string endDate = null)
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{
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using (SQLiteConnection conn = new SQLiteConnection(CSConstant.DbConnectionString))
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{
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conn.Open();
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string query = "SELECT Id, Flow, Pressure, RecordTime FROM AirRecords";
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if (!string.IsNullOrEmpty(startDate) && !string.IsNullOrEmpty(endDate))
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{
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query += " WHERE RecordTime BETWEEN @startDate AND @endDate";
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}
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query += " LIMIT @offset, @limit";
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using (SQLiteCommand cmd = new SQLiteCommand(query, conn))
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{
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if (!string.IsNullOrEmpty(startDate) && !string.IsNullOrEmpty(endDate))
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{
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cmd.Parameters.AddWithValue("@startDate", startDate);
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cmd.Parameters.AddWithValue("@endDate", endDate);
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}
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cmd.Parameters.AddWithValue("@offset", (currentPage - 1) * PageSize);
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cmd.Parameters.AddWithValue("@limit", PageSize);
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//List<AirRecordsRecordWithSelection> records = new List<AirRecordsRecordWithSelection>();
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_records.Clear(); // 清空现有数据
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using (SQLiteDataReader reader = cmd.ExecuteReader())
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{
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while (reader.Read())
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{
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_records.Add(new AirRecordsRecordWithSelection
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{
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Id = reader.GetInt32(0),
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Flow = reader.GetDouble(1),
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Pressure = reader.GetDouble(2),
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RecordTime = reader.GetDateTime(3),
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IsSelected = false // 默认未选中
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});
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}
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}
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DataGridReport.ItemsSource = _records;
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}
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// 获取总记录数，考虑当前查询条件
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string countQuery = "SELECT COUNT(*) FROM AirRecords";
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if (!string.IsNullOrEmpty(startDate) && !string.IsNullOrEmpty(endDate))
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{
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countQuery += " WHERE RecordTime BETWEEN @startDate AND @endDate";
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}
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using (SQLiteCommand countCmd = new SQLiteCommand(countQuery, conn))
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{
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if (!string.IsNullOrEmpty(startDate) && !string.IsNullOrEmpty(endDate))
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{
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countCmd.Parameters.AddWithValue("@startDate", startDate);
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countCmd.Parameters.AddWithValue("@endDate", endDate);
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}
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totalRecords = Convert.ToInt32(countCmd.ExecuteScalar());
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}
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UpdatePageInfo();
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}
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}
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private void QueryButton_Click(object sender, RoutedEventArgs e)
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{
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string? startDate = StartDatePicker.SelectedDate?.ToString("yyyy-MM-dd") ?? null;
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DateTime? endDate = EndDatePicker.SelectedDate;
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if (endDate.HasValue)
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{
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endDate = endDate.Value.Date.AddDays(1).AddTicks(-1); // 设置为23:59:59.9999999
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}
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string? endDateString = endDate?.ToString("yyyy-MM-dd HH:mm:ss") ?? null;
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currentPage = 1;
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LoadData(startDate, endDateString);
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}
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private void UpdatePageInfo()
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{
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if (_lang == "en-US")
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PageInfo.Text = $"Page {currentPage} / {Math.Ceiling((double)totalRecords / PageSize)} | Total: {totalRecords} records";
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else
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PageInfo.Text = $"第 {currentPage} 页 / 共 {Math.Ceiling((double)totalRecords / PageSize)} 页 {totalRecords}条记录";
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}
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private void PreviousPage_Click(object sender, RoutedEventArgs e)
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{
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if (currentPage > 1)
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{
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currentPage--;
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LoadData();
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}
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}
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private void NextPage_Click(object sender, RoutedEventArgs e)
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{
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if (currentPage * PageSize < totalRecords)
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{
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currentPage++;
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LoadData();
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}
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}
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private void Window_Loaded(object sender, RoutedEventArgs e)
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{
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string imagePath = System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Resources/sleep2.jpg");
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ImageBrush brush = new ImageBrush();
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brush.ImageSource = new BitmapImage(new Uri(imagePath, UriKind.Absolute));
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this.Background = brush;
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}
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private void DeleteButton_Click(object sender, RoutedEventArgs e)
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{
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if (sender is FrameworkElement element && element.Tag is int id)
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{
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MessageBoxResult result;
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if (_lang == "en-US")
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result = MessageBox.Show($"Delete record ID: {id} ?", "Confirm Delete", MessageBoxButton.YesNo, MessageBoxImage.Warning);
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else
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result = MessageBox.Show($"确定要删除ID为 {id} 的记录吗？", "确认删除", MessageBoxButton.YesNo, MessageBoxImage.Warning);
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if (result == MessageBoxResult.Yes)
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{
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DeleteRecordFromDb(id);
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LoadData(_currentStartDate, _currentEndDate);
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}
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}
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}
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// 新增：批量删除功能
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private void BatchDeleteButton_Click(object sender, RoutedEventArgs e)
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{
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var selectedIds = _records.Where(r => r.IsSelected).Select(r => r.Id).ToList();
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if (!selectedIds.Any())
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{
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if (_lang == "en-US")
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MessageBox.Show("Please select records to delete", "Tip", MessageBoxButton.OK, MessageBoxImage.Information);
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else
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MessageBox.Show("请先选择要删除的记录", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
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return;
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}
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MessageBoxResult result;
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if (_lang == "en-US")
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result = MessageBox.Show($"Delete {selectedIds.Count} selected records?", "Confirm Batch Delete", MessageBoxButton.YesNo, MessageBoxImage.Warning);
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else
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result = MessageBox.Show($"确定要删除选中的 {selectedIds.Count} 条记录吗？", "确认批量删除", MessageBoxButton.YesNo, MessageBoxImage.Warning);
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if (result == MessageBoxResult.Yes)
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{
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BatchDeleteFromDb(selectedIds);
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LoadData(_currentStartDate, _currentEndDate);
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}
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}
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// 新增：数据库单条删除操作
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private void DeleteRecordFromDb(int id)
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{
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using (var conn = new SQLiteConnection(CSConstant.DbConnectionString))
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{
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conn.Open();
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using (var cmd = new SQLiteCommand("DELETE FROM AirRecords WHERE Id = @Id", conn))
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{
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cmd.Parameters.AddWithValue("@Id", id);
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cmd.ExecuteNonQuery();
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}
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}
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}
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// 新增：数据库批量删除操作
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private void BatchDeleteFromDb(List<int> ids)
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{
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if (!ids.Any()) return;
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using (var conn = new SQLiteConnection(CSConstant.DbConnectionString))
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{
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conn.Open();
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string idsParam = string.Join(",", ids.Select((_, i) => $"@Id{i}"));
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using (var cmd = new SQLiteCommand($"DELETE FROM AirRecords WHERE Id IN ({idsParam})", conn))
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{
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// 添加参数
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for (int i = 0; i < ids.Count; i++)
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{
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cmd.Parameters.AddWithValue($"@Id{i}", ids[i]);
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}
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cmd.ExecuteNonQuery();
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}
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}
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}
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private void Export_Click(object sender, RoutedEventArgs e)
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{
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DateTime? startDate = null;
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if (DateTime.TryParse(StartDatePicker.SelectedDate?.ToString(), out DateTime tempStartDate))
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{
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startDate = tempStartDate;
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}
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DateTime? endDate = EndDatePicker.SelectedDate;
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if (endDate.HasValue)
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{
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endDate = endDate.Value.Date.AddDays(1).AddTicks(-1);
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}
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List<CO2Record> records = ReadCO2RecordsFromDatabase(startDate, endDate);
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if (records == null || !records.Any())
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{
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if (_lang == "en-US")
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MessageBox.Show("No data to export", "Tip", MessageBoxButton.OK, MessageBoxImage.Warning);
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else
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MessageBox.Show("气阻表中无数据，无法导出", "提示", MessageBoxButton.OK, MessageBoxImage.Warning);
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return;
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}
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bool success = ExportCO2RecordsToExcel(records);
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if (success)
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{
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if (_lang == "en-US")
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MessageBox.Show("Export successful!", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
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else
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MessageBox.Show("数据已成功导出到Excel", "成功", MessageBoxButton.OK, MessageBoxImage.Information);
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}
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else
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{
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if (_lang == "en-US")
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MessageBox.Show("Export failed! File may be in use.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
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else
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MessageBox.Show("Excel导出失败，请检查文件是否被占用", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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}
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private bool ExportCO2RecordsToExcel(List<CO2Record> records)
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{
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try
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{
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SaveFileDialog saveDialog = new SaveFileDialog
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{
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Filter = _lang == "en-US" ? "Excel File (*.xlsx)|*.xlsx" : "Excel文件 (*.xlsx)|*.xlsx",
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FileName = $"AirResistance_{DateTime.Now:yyyyMMddHHmmss}.xlsx",
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Title = _lang == "en-US" ? "Save Air Resistance Records" : "保存气阻记录"
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};
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bool? result = saveDialog.ShowDialog();
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if (!(result ?? false)) return false;
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ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
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using (ExcelPackage package = new ExcelPackage(new FileInfo(saveDialog.FileName)))
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{
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ExcelWorksheet worksheet = package.Workbook.Worksheets.Add("Air Resistance");
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// 双语表头
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if (_lang == "en-US")
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{
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worksheet.Cells[1, 1].Value = "Air Resistance (hPa)";
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worksheet.Cells[1, 2].Value = "Flow (L/min)";
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worksheet.Cells[1, 3].Value = "Time";
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}
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else
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{
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worksheet.Cells[1, 1].Value = "气阻hpa";
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worksheet.Cells[1, 2].Value = "流量L/min";
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worksheet.Cells[1, 3].Value = "时间";
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}
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using (var header = worksheet.Cells[1, 1, 1, 3])
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{
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header.Style.Font.Bold = true;
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header.Style.HorizontalAlignment = OfficeOpenXml.Style.ExcelHorizontalAlignment.Center;
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}
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for (int i = 0; i < records.Count; i++)
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{
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int row = i + 2;
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worksheet.Cells[row, 1].Value = records[i].Flow;
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worksheet.Cells[row, 2].Value = records[i].Pressure;
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worksheet.Cells[row, 3].Value = records[i].RecordTime.ToString("yyyy-MM-dd HH:mm:ss");
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}
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worksheet.Cells.AutoFitColumns();
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package.Save();
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}
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return true;
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}
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catch (Exception ex)
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{
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if (_lang == "en-US")
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MessageBox.Show($"Export failed: {ex.Message}", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
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else
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MessageBox.Show($"导出失败：{ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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return false;
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}
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}
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/// <summary>
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///
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/// </summary>
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private List<CO2Record> ReadCO2RecordsFromDatabase(DateTime? startDate, DateTime? endDate)
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{
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List<CO2Record> records = new List<CO2Record>();
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try
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{
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using (SQLiteConnection conn = new SQLiteConnection(CSConstant.DbConnectionString))
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{
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conn.Open();
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// 构建查询语句，根据开始时间和结束时间进行筛选
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string query = "SELECT Flow, Pressure, RecordTime FROM AirRecords WHERE 1=1";
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if (startDate != null)
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{
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query += " AND RecordTime >= @StartDate";
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}
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if (endDate != null)
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{
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query += " AND RecordTime <= @EndDate";
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}
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query += " ORDER BY RecordTime";
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using (SQLiteCommand cmd = new SQLiteCommand(query, conn))
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{
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if (startDate != null)
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{
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cmd.Parameters.AddWithValue("@StartDate", startDate);
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}
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if (endDate != null)
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{
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cmd.Parameters.AddWithValue("@EndDate", endDate);
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}
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using (SQLiteDataReader reader = cmd.ExecuteReader())
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{
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while (reader.Read())
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{
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records.Add(new CO2Record
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{
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Flow = reader.GetDouble(0), // 二氧化碳浓度（%）
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Pressure = reader.GetDouble(1), // 压力（pa）
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RecordTime = reader.GetDateTime(2) // 时间
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});
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}
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}
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}
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}
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return records;
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}
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catch (Exception ex)
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{
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MessageBox.Show($"读取气阻表失败：{ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
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return null;
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}
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}
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private void HomePage_Click(object sender, RoutedEventArgs e)
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{
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this.Close();
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}
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private void SelectAllButton_Click(object sender, RoutedEventArgs e)
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{
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// 检查是否有数据
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if (_records == null || !_records.Any())
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return;
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// 判断当前是否已经全选
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bool allSelected = _records.All(r => r.IsSelected);
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// 如果已经全选则取消全选，否则全选
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foreach (var record in _records)
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{
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record.IsSelected = !allSelected;
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}
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// 刷新DataGrid以显示更新后的选中状态
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DataGridReport.Items.Refresh();
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}
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}
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}
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