695 lines
20 KiB
C#
695 lines
20 KiB
C#
using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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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.Data.SqlClient;
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using System.Data;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using WPFWCSDemo.Utilities;
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using System.Windows;
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using WPFWCSDemo.StateCode;
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using Serilog;
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using WPFWCSDemo.Models.Tables;
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using WPFWCSDemo.Data;
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namespace WPFWCSDemo.ViewModels
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{
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public partial class AlarmHistoryViewModel:ObservableObject
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{
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public AlarmHistoryViewModel()
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{
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AlarmHistory = new ObservableCollection<AlarmHistory>();
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ColumnList = new ObservableCollection<string>();
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columnDic = new Dictionary<string, string>();
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Pages = new ObservableCollection<string>();
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DateStart = DateTime.Now.AddDays(-1).ToString(TimeFormat.stringFormatDateOnly);
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TimeStart = DateTime.Now.AddDays(-1).ToString("HH:mm");
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DateEnd = DateTime.Now.ToString(TimeFormat.stringFormatDateOnly);
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TimeEnd = DateTime.Now.ToString("HH:mm");
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LoadAlarmHistory(1);
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LoadColumnName();
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PageInput = 1;
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PageCurrent = 1;
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PageInfo = $"当前 {PageCurrent} 页";
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}
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/// <summary>
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/// false-表示默认表数据集 true-表示执行查询操作后的表数据集
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/// </summary>
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bool b;
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/// <summary>
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/// 历史表数据
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/// </summary>
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[ObservableProperty]
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ObservableCollection<AlarmHistory> _alarmHistory;
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/// <summary>
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/// 起始日期
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/// </summary>
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[ObservableProperty]
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string _dateStart;
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/// <summary>
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/// 起始时间
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/// </summary>
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[ObservableProperty]
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string _timeStart;
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/// <summary>
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/// 结束日期
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/// </summary>
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[ObservableProperty]
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string _dateEnd;
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/// <summary>
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/// 结束时间
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/// </summary>
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[ObservableProperty]
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string _timeEnd;
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/// <summary>
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/// 报警级别选中项
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/// </summary>
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[ObservableProperty]
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int _alarmLevelSelectedIndex;
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/// <summary>
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/// 报警级别选中项
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/// </summary>
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[ObservableProperty]
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int _alarmLevelSelectedItem;
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string alarmLevel;
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/// <summary>
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/// 查询字段名
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/// </summary>
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[ObservableProperty]
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string _columnName;
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/// <summary>
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/// 查询关键词
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/// </summary>
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[ObservableProperty]
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string _keywords;
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/// <summary>
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/// 查询字段选择项集合
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/// </summary>
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[ObservableProperty]
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ObservableCollection<string> _columnList;
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/// <summary>
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/// 查询字段名
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/// </summary>
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Dictionary<string, string> columnDic;
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/// <summary>
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/// 显示表数据
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/// </summary>
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/// <param name="page">页数</param>
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void LoadAlarmHistory(int page)
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{
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b = false;
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using var context = new AppDbContext();
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int dtCount = context.Set<AlarmHistory>()
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.OrderByDescending(t => t.End_Time)
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.Count();
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//var alarmHistories = context.Set<AlarmHistory>()
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// .OrderByDescending(t => t.End_Time)
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// .Skip((page - 1) * countPerPage)
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// .Take(countPerPage)
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// .ToList();
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//AlarmHistory.Clear();
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//foreach (AlarmHistory a in alarmHistories)
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//{
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// AlarmHistory.Add(a);
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//}
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DataTable? dt = SqlHelper.ExecuteTable("SELECT POINT_ID,DESCRIPTION,PRIORITY,DEVICE_ID,GEN_TIME,END_TIME FROM ALARM_LOG ORDER BY END_TIME DESC OFFSET @Rows ROW FETCH NEXT 10 ROW ONLY",
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new SqlParameter("@Rows", page - 1));
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var datas = dt.Rows;
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//遍历表中每行数据并初始化值
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foreach (DataRow data in datas)
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{
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try
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{
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AlarmHistory a = new AlarmHistory();
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a.Point_Id = data["Point_Id"].ToString();
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a.Description = data["Description"].ToString();
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a.Priority = data["Priority"].ToString();
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a.Device_Id = data["Device_Id"].ToString();
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a.Gen_Time = Convert.ToDateTime(data["Gen_Time"]);
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a.End_Time = Convert.ToDateTime(data["End_Time"]);
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AlarmHistory.Add(a);
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}
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catch (Exception)
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{
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}
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}
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UpdatePageInfo(dtCount, page);
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}
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void LoadAlarmHistory(DataTable dt)
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{
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AlarmHistory.Clear();
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var datas = dt.Rows;
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//遍历表中每行数据并初始化值
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foreach (DataRow data in datas)
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{
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AlarmHistory a = new AlarmHistory();
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a.Point_Id = data["Point_Id"].ToString();
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a.Description = data["Description"].ToString();
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a.Priority = data["Priority"].ToString();
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a.Device_Id = data["Device_Id"].ToString();
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a.Gen_Time = Convert.ToDateTime(data["Gen_Time"]);
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a.End_Time = Convert.ToDateTime(data["End_Time"]);
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AlarmHistory.Add(a);
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}
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}
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/// <summary>
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/// 加载可选的搜索字段
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/// </summary>
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void LoadColumnName()
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{
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//下拉框选项填充
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ColumnList.Clear();
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ColumnList.Add("报警名称");
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ColumnList.Add("报警信息");
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ColumnList.Add("优先级");
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ColumnList.Add("设备类别");
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ColumnList.Add("生成时间");
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ColumnList.Add("结束时间");
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//列名映射
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columnDic.Clear();
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columnDic.Add("报警名称", "Point_Id");
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columnDic.Add("报警信息", "Description");
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columnDic.Add("优先级", "Priority");
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columnDic.Add("设备类别", "Device_Id");
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columnDic.Add("生成时间", "Gen_Time");
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columnDic.Add("结束时间", "End_Time");
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}
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[RelayCommand]
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void AlarmLevelSelectItemChanged()
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{
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DataTable? dt;
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if (AlarmLevelSelectedIndex == 0) alarmLevel = "HIGH";
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if (AlarmLevelSelectedIndex == 1) alarmLevel = "MEDIUM";
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if (AlarmLevelSelectedIndex == 2) alarmLevel = "LOW";
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if (string.IsNullOrEmpty(Keywords))
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{
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dt = SqlHelper.ExecuteTable(
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"SELECT POINT_ID,DESCRIPTION,PRIORITY,DEVICE_ID,GEN_TIME,END_TIME FROM ALARM_LOG WHERE PRIORITY=@Priority",
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new SqlParameter("@Priority", alarmLevel));
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}
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else
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{
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dt = SqlHelper.ExecuteTable(
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"SELECT POINT_ID,DESCRIPTION,PRIORITY,DEVICE_ID,GEN_TIME,END_TIME FROM ALARM_LOG WHERE PRIORITY=@Priority AND DESCRIPTION LIKE @Keywords",
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new SqlParameter("@Priority", alarmLevel),
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new SqlParameter("@Keywords", $"%{Keywords}%"));//此处代表如果未填写关键词则忽略该条件
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}
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var datas = dt.Rows;
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AlarmHistory.Clear();
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//遍历表中每行数据并初始化值
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foreach (DataRow data in datas)
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{
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try
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{
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AlarmHistory a = new AlarmHistory();
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a.Point_Id = data["Point_Id"].ToString();
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a.Description = data["Description"].ToString();
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a.Priority = data["Priority"].ToString();
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a.Device_Id = data["Device_Id"].ToString();
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a.Gen_Time = Convert.ToDateTime(data["Gen_Time"]);
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//a.Reset_Time = data["Reset_Time"].ToString();
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a.End_Time = Convert.ToDateTime(data["End_Time"]);
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AlarmHistory.Add(a);
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}
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catch
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{
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}
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}
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}
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/// <summary>
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/// 查询
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/// </summary>
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[RelayCommand]
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void Query(string num)
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{
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b = true;
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AlarmHistory.Clear();
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DataTable? dt;
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DataTable? dtCount;
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using var context = new AppDbContext();
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//int dataCount;
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if (!DateStringFormat())
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{
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return;
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}
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try
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{
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if (!string.IsNullOrEmpty(ColumnName) && !string.IsNullOrEmpty(Keywords))
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{
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//dataCount = context.Set<AlarmHistory>()
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// .Where(a => a.Description.Contains(Keywords) && a.End_Time >= strDateStartNew)
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// .Count();
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dtCount = SqlHelper.ExecuteTable(
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$"SELECT * FROM ALARM_LOG WHERE DESCRIPTION like @Keywords AND END_TIME>=@StartTime AND END_TIME<@End_Time ORDER BY End_Time DESC",
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new SqlParameter("@Keywords", $"%{Keywords}%"),
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new SqlParameter("@StartTime", dateTimeStart),
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new SqlParameter("@End_Time", dateTimeEnd)
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);
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dt = SqlHelper.ExecuteTable(
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$"SELECT * FROM ALARM_LOG WHERE DESCRIPTION like @Keywords AND END_TIME>=@StartTime AND END_TIME<@End_Time ORDER BY End_Time DESC OFFSET @Rows ROW FETCH NEXT 10 ROW ONLY",
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new SqlParameter("@Keywords", $"%{Keywords}%"),
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new SqlParameter("@StartTime", dateTimeStart),
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new SqlParameter("@End_Time", dateTimeEnd),
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new SqlParameter("@Rows", int.Parse(num) - 1)
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);
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}
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else
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{
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dtCount = SqlHelper.ExecuteTable(
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$"SELECT * FROM ALARM_LOG WHERE END_TIME>=@StartTime AND End_Time<@End_Time ORDER BY End_Time DESC",
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new SqlParameter("@StartTime", dateTimeStart),
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new SqlParameter("@End_Time", dateTimeEnd)
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);
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dt = SqlHelper.ExecuteTable(
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$"SELECT * FROM ALARM_LOG WHERE END_TIME>=@StartTime AND End_Time<@End_Time ORDER BY End_Time DESC OFFSET @Rows ROW FETCH NEXT 10 ROW ONLY",
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new SqlParameter("@StartTime", dateTimeStart),
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new SqlParameter("@End_Time", dateTimeEnd),
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new SqlParameter("@Rows", int.Parse(num) - 1)
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);
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}
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LoadAlarmHistory(dt);
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UpdatePageInfo(dtCount, num);
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}
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catch (Exception)
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{
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}
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}
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/// <summary>
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/// 重置选择
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/// </summary>
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[RelayCommand]
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void Clear()
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{
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Keywords = string.Empty;
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AlarmHistory.Clear();
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LoadAlarmHistory(1);
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}
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//---------------------------------时间字符串格式化对象---------------------------------
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DateTime dateTimeStart;
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DateTime dateTimeEnd;
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/// <summary>
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/// 日期格式处理
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/// </summary>
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bool DateStringFormat()
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{
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//处理字符串格式,规范字符串类型的时间值
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bool b = DateTime.TryParse($"{DateStart} {TimeStart}", out dateTimeStart);
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bool b1 = DateTime.TryParse($"{DateEnd} {TimeEnd}", out dateTimeEnd);
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if (!b || !b1)
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{
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MessageBox.Show("时间格式错误！");
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return false;
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}
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return true;
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}
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//-----------------------------------------页面跳转/统计相关-----------------------------------------
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//-----------------------------------------页面跳转/统计相关-----------------------------------------
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/// <summary>
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/// 每页条数
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/// </summary>
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const int countPerPage = 12;
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/// <summary>
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/// 总数据条数-显示文本
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/// </summary>
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[ObservableProperty]
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string _dataCount;
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/// <summary>
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/// 查询后的总条数
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/// </summary>
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[ObservableProperty]
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int _dataCountNumber;
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/// <summary>
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/// 总页数
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/// </summary>
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[ObservableProperty]
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int _pageCount;
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/// <summary>
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/// 手动输入页数
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/// </summary>
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[ObservableProperty]
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int _pageInput;
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/// <summary>
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/// 鼠标需要点击的页面跳转按钮值
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/// </summary>
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[ObservableProperty]
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int _pageSelected;
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/// <summary>
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/// 要显示页码的集合
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/// </summary>
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[ObservableProperty]
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ObservableCollection<string> _pages;
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/// <summary>
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/// 当前页
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/// </summary>
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[ObservableProperty]
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int _pageCurrent;
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/// <summary>
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/// 当前页信息-显示文本
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/// </summary>
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[ObservableProperty]
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string _pageInfo;
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/// <summary>
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/// 点击页码至指定页
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/// </summary>
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[RelayCommand]
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void PageClick(string pageNumber)
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{
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JumpToPage(int.Parse(pageNumber));
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//MessageBox.Show(pageNumber.ToString());
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}
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/// <summary>
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/// 动态更新页数-下方显示具体X-X页
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/// </summary>
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void DynamicPage()
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{
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//设置最多显示5页按钮
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Pages.Clear();
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//总页数小于8-显示1-X页
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if (PageSelected < 8)
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{
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for (int i = 1; i <= PageCount; i++)
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{
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Pages.Add(i.ToString());
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}
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}
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//总页数大于8
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else
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{
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//距离尾页是否多于3页
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if (PageCount - PageSelected >= 3)
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{
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//显示当前页的前3和后3页码
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if (PageCount > 7)
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{
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for (int i = PageSelected - 3; i <= PageSelected + 3; i++)
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{
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Pages.Add(i.ToString());
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}
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}
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else//7页内显示全部
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{
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for (int i = 1; i <= PageCount; i++)
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{
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Pages.Add(i.ToString());
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}
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}
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}
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//距离尾页是否少于3页
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else
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{
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if (PageCount - PageSelected == 2)
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{
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for (int i = PageSelected - 4; i <= PageCount; i++)
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{
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Pages.Add(i.ToString());
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}
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}
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if (PageCount - PageSelected == 1)
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{
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for (int i = PageSelected - 5; i <= PageCount; i++)
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{
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Pages.Add(i.ToString());
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}
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}
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if (PageCount == PageSelected)
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{
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for (int i = PageSelected - 6; i <= PageCount; i++)
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{
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Pages.Add(i.ToString());
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}
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}
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}
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}
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}
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/// <summary>
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/// 获取数据集的总条数和页码数,更新属性
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/// </summary>
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/// <param name="dt">总数据条数</param>
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/// <param name="pageCurrent">当前页</param>
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void UpdatePageInfo(int dataCount, int pageCurrent)
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{
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//总数据条数
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DataCountNumber = dataCount;
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//文本显示
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DataCount = $"共 {dataCount} 条";
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//总页数
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if (DataCountNumber % countPerPage == 0)
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{
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PageCount = DataCountNumber / countPerPage;
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}
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else
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{
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PageCount = DataCountNumber / countPerPage + 1;
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}
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PageCurrent = pageCurrent;
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DynamicPage();
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}
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void UpdatePageInfo(DataTable dataCount, string pageCurrent)
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{
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//总数据条数
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DataCountNumber = dataCount.Rows.Count;
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//文本显示
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DataCount = $"共 {DataCountNumber} 条";
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//总页数
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if (DataCountNumber % countPerPage == 0)
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{
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PageCount = DataCountNumber / countPerPage;
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}
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else
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{
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PageCount = DataCountNumber / countPerPage + 1;
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}
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PageCurrent = int.Parse(pageCurrent);
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DynamicPage();
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}
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//********************************************跳转页码时查询要附加顶部查询条件获取共同查询结果显示*******************************************
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//********************************************跳转页码时查询要附加顶部查询条件获取共同查询结果显示*******************************************
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//********************************************跳转页码时查询要附加顶部查询条件获取共同查询结果显示*******************************************
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/// <summary>
|
|
/// 跳转至指定页
|
|
/// </summary>
|
|
[RelayCommand]
|
|
void JumpPageClick(string pageNumber)
|
|
{
|
|
try
|
|
{
|
|
if (int.Parse(pageNumber) > PageCount)
|
|
{
|
|
MessageBox.Show("不能超过最大页码数！");
|
|
return;
|
|
}
|
|
if (int.Parse(pageNumber) < 1)
|
|
{
|
|
MessageBox.Show("请使用正确页码数查询！");
|
|
return;
|
|
}
|
|
|
|
JumpToPage(int.Parse(pageNumber));
|
|
|
|
}
|
|
catch (Exception)
|
|
{
|
|
Log.Warning("【瞎β操作】查询历史记录时，跳转页面输入错误！");
|
|
}
|
|
|
|
}
|
|
|
|
/// <summary>
|
|
/// 前页
|
|
/// </summary>
|
|
[RelayCommand]
|
|
void PageBefore()
|
|
{
|
|
if (PageCurrent == 1) return;
|
|
|
|
PageCurrent -= 1;
|
|
|
|
JumpToPage(PageCurrent);
|
|
|
|
PageInfo = $"当前 {PageCurrent} 页";
|
|
}
|
|
|
|
/// <summary>
|
|
/// 后一页
|
|
/// </summary>
|
|
[RelayCommand]
|
|
void PageNext()
|
|
{
|
|
if (PageCurrent == PageCount) return;
|
|
|
|
PageCurrent += 1;
|
|
|
|
JumpToPage(PageCurrent);
|
|
|
|
|
|
PageInfo = $"当前 {PageCurrent} 页";
|
|
}
|
|
|
|
/// <summary>
|
|
/// 首页
|
|
/// </summary>
|
|
[RelayCommand]
|
|
void PageFirst()
|
|
{
|
|
PageCurrent = 1;
|
|
|
|
JumpToPage(PageCurrent);
|
|
|
|
PageInfo = $"当前 {PageCurrent} 页";
|
|
}
|
|
|
|
/// <summary>
|
|
/// 尾页
|
|
/// </summary>
|
|
[RelayCommand]
|
|
void PageLast()
|
|
{
|
|
if (PageCurrent == PageCount) return;
|
|
|
|
JumpToPage(PageCount);
|
|
|
|
PageInfo = $"当前 {PageCurrent} 页";
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// 跳转到指定页
|
|
/// </summary>
|
|
/// <param name="pageNumber"></param>
|
|
void JumpToPage(int pageNumber)
|
|
{
|
|
//获取指定页数从具体第几条数据开始计数
|
|
int index = (pageNumber - 1) * 10 + 1;
|
|
|
|
if (b == false)
|
|
{
|
|
//默认数据集条件下跳转
|
|
LoadAlarmHistory(index);
|
|
}
|
|
else
|
|
{
|
|
//查询之后的数据集条件下跳转
|
|
Query(index.ToString());
|
|
}
|
|
|
|
if (pageNumber <= PageCount)
|
|
{
|
|
PageCurrent = pageNumber;
|
|
PageInfo = $"当前 {pageNumber} 页";
|
|
}
|
|
}
|
|
|
|
|
|
}
|
|
}
|