scada/Scada/Page/PageReportManage.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using BLL.Dto.DataDto;
using BLL.Manager;
using Helper;
using HZY.Framework.DependencyInjection;
using MiniExcelLibs;
using Sunny.UI;

namespace Scada.Page
{
    public partial class PageReportManage : UIPage, ISingletonSelfDependency
    {
        private BaseResult<QueryDataResultDto> res;
        private readonly DataManager _dataManager;
        public PageReportManage(DataManager dataManager)
        {
            InitializeComponent();
            this._dataManager = dataManager;

            this.dtp_Start.Value = DateTime.Now.AddDays(-1);
            this.dtp_End.Value = DateTime.Now;

            this.dgv_Data.AutoGenerateColumns = false;
        }

        private void PageReportManage_Load(object sender, EventArgs e)
        {

        }

        private async void btn_QueryData_Click(object sender, EventArgs e)
        {
            DateTime d1 = this.dtp_Start.Value;
            DateTime d2 = this.dtp_End.Value;
            if (d1 >= d2)
            {
                UIMessageTip.ShowWarning("开始时间不可以大于结束时间");
                return;
            }

            QueryDataDto queryDataDto = new QueryDataDto()
            {
                StartTime = d1,
                EndTime = d2
            };

            res = await _dataManager.GetDataListByTimeAsync(queryDataDto);
            if (res.Result == SystemEnums.Result.Success)
            {
                //设置分页的总数
                pgn_Data.TotalCount = res.Data.Count;
                //设置每页的数量
                pgn_Data.PageSize = 15;
                pgn_Data.ActivePage = 1;
            }
        }

        private void btn_ExportData_Click(object sender, EventArgs e)
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog();
            saveFileDialog.Filter = "Excel 文件(*.xlsx)|*.xlsx";
            if (saveFileDialog.ShowDialog() == DialogResult.OK)
            {
                try
                {
                    var filePath = saveFileDialog.FileName;
                    var rows = this.dgv_Data.DataSource as List<QueryDataResultDto>;

                    MiniExcel.SaveAs(filePath, rows);
                }
                catch (Exception ex)
                {
                    UIMessageTip.ShowError("导出失败：" + ex.Message);
                    LogExtension.ShowMessage("导出失败：" + ex.Message, Microsoft.Extensions.Logging.LogLevel.Error);
                }
            }
        }

        private void pgn_Data_PageChanged(object sender, object pagingSource, int pageIndex, int count)
        {
            var data = res.Data.Skip((pageIndex-1)*count).Take(count).ToList();
            this.dgv_Data.DataSource = null;
            this.dgv_Data.DataSource = data;
        }
    }
}