实例介绍
【实例简介】
【实例截图】
【核心代码】
using Microsoft.Win32;
using NPOI.SS.UserModel;
using NPOI.XSSF.UserModel;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace QRCodeScanner
{
/// <summary>
/// MainWindow.xaml 的交互逻辑
/// </summary>
public partial class MainWindow : Window, INotifyPropertyChanged
{
public MainWindow()
{
InitializeComponent();
listener.ScanerEvent = Listener_ScanerEvent;
this.Loaded = MainWindow_Loaded;
this.Unloaded = MainWindow_Unloaded;
this.DataContext = this;
}
private void MainWindow_Unloaded(object sender, RoutedEventArgs e)
{
listener.Stop();
}
private void MainWindow_Loaded(object sender, RoutedEventArgs e)
{
listener.Start();
}
private ScanerHook listener = new ScanerHook();
private bool isBusy = false;
private ObservableCollection<InvoiceModel> invoiceList = new ObservableCollection<InvoiceModel>();
public ObservableCollection<InvoiceModel> InvoiceList
{
get { return invoiceList; }
set
{
invoiceList = value;
RaisePropertyChanged("InvoiceList");
}
}
//public List<InvoiceModel> invoiceList = new List<InvoiceModel>();
private void Listener_ScanerEvent(ScanerHook.ScanerCodes codes)
{
var items = codes.Result.Split(',', ',');
if (items.Length < 6)
return;
var model = new InvoiceModel
{
// TypeCode = items[1],
Code = items[2],
Number = items[3],
Amount = Convert.ToDecimal(items[4]),
MakeDate = items[5],
CheckNumber = items[6],
ScanDate = DateTime.Now.ToString("yyyy-MM-dd"),
ScanTime = DateTime.Now.ToString("HH:mm"),
Remark = "自动",
};
InsertOne(model);
}
private void btnNew_Click(object sender, RoutedEventArgs e)
{
NewView view = new NewView((obj) =>
{
if (obj != null && obj is InvoiceModel)
{
var model = obj as InvoiceModel;
model.Remark = "手动";
model.ScanDate = DateTime.Now.ToString("yyyy-MM-dd");
model.ScanTime = DateTime.Now.ToString("HH:mm");
return InsertOne(obj as InvoiceModel);
}
return false;
});
view.ShowDialog();
}
private Boolean InsertOne(InvoiceModel one)
{
if (invoiceList.Count > 0)
{
var exist = InvoiceList.Where(f => f.Number == one.Number && f.Code == one.Code);
if (exist.Count() != 0)
{
//listener.Stop();
//isBusy = true;
if (MessageBox.Show(string.Format("发票号:{0} 已存在,是否添加?", one.Code), "扫描提示", MessageBoxButton.YesNo, MessageBoxImage.Information) == MessageBoxResult.No)
{
// listener.Start();
// isBusy = false;
return false;
}
}
}
one.RowNumber = invoiceList.Count > 0 ? invoiceList.Max(f => f.RowNumber) 1 : 1;
invoiceList.Add(one);
return true;
}
private Boolean UpdateOne(InvoiceModel one)
{
if (invoiceList.Count > 0)
{
var exist = InvoiceList.SingleOrDefault(f => f.RowNumber == one.RowNumber);
if (exist != null)
{
var index = InvoiceList.IndexOf(exist);
InvoiceList[index] = one;
}
}
return true;
}
private void btnModify_Click(object sender, RoutedEventArgs e)
{
var model = (sender as Button).DataContext as InvoiceModel;
NewView view = new NewView((obj) =>
{
if (obj != null && obj is InvoiceModel)
{
return UpdateOne(obj as InvoiceModel);
}
return false;
}, model);
view.ShowDialog();
}
private void btnDelete_Click(object sender, RoutedEventArgs e)
{
var model = (sender as Button).DataContext as InvoiceModel;
var cur = InvoiceList.SingleOrDefault(f => f.RowNumber == model.RowNumber);
InvoiceList.Remove(cur);
}
#region PropertyChanged
public event PropertyChangedEventHandler PropertyChanged;
/// <summary>
/// 属性改变事件
/// </summary>
/// <param name="name"></param>
private void RaisePropertyChanged(string name)
{
if (PropertyChanged != null)
{
PropertyChanged(this, new PropertyChangedEventArgs(name));
}
}
#endregion
private void btnExport_Click(object sender, RoutedEventArgs e)
{
if (invoiceList.Count == 0)
{
MessageBox.Show("未输入任何内容!");
return;
}
SaveFileDialog fileDialog = new SaveFileDialog();
fileDialog.RestoreDirectory = true;
fileDialog.Filter = "Excel(2007-2013)|*.xlsx|Excel(97-2003)|*.xls";
if (fileDialog.ShowDialog() != true)
{
return;
}
IWorkbook workbook = new XSSFWorkbook();
ISheet sheet = workbook.CreateSheet("sheet1");
IRow rowHead = sheet.CreateRow(0);
int index = 0;
rowHead.CreateCell(index , CellType.String).SetCellValue("NO");
rowHead.CreateCell(index , CellType.String).SetCellValue("批次号");
rowHead.CreateCell(index , CellType.String).SetCellValue("发票代码");
rowHead.CreateCell(index , CellType.String).SetCellValue("发票号码");
rowHead.CreateCell(index , CellType.String).SetCellValue("合计金额");
rowHead.CreateCell(index , CellType.String).SetCellValue("开票日期");
rowHead.CreateCell(index , CellType.String).SetCellValue("扫描日期");
rowHead.CreateCell(index , CellType.String).SetCellValue("扫描时间");
rowHead.CreateCell(index , CellType.String).SetCellValue("备注");
//填写内容
for (int i = 0; i < invoiceList.Count; i )
{
int columnIndex = 0;
IRow row = sheet.CreateRow(i 1);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].RowNumber);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].BatchCode);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].Code);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].Number);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].Amount.ToString());
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].MakeDate);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].ScanDate);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].ScanTime);
row.CreateCell(columnIndex , CellType.String).SetCellValue(invoiceList[i].Remark);
}
for (int i = 0; i < invoiceList.Count; i )
{
sheet.AutoSizeColumn(i);
}
sheet.DisplayGridlines = true;
using (FileStream stream = File.OpenWrite(fileDialog.FileName))
{
workbook.Write(stream);
stream.Close();
}
MessageBox.Show("导出数据成功!", "提示", MessageBoxButton.OK, MessageBoxImage.Information);
GC.Collect();
}
}
}
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