274 lines
9.7 KiB
C#
274 lines
9.7 KiB
C#
using AnQing.View;
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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;
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using System.Drawing;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Media.Imaging;
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using System.Windows;
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using System.Drawing.Imaging;
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using System.IO;
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using System.ComponentModel;
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using AnQing.Models;
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using OfficeOpenXml;
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using Newtonsoft.Json.Linq;
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namespace AnQing.Commons
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{
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public class Common
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{
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public static MainWindow main;
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/// <summary>
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/// 查询页面
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/// </summary>
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public static History historycontrol;
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/// <summary>
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/// 设置页面
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/// </summary>
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public static SetUpView setupview;
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public static string ConnectionString
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{
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get
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{
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var conn = ConfigurationManager.ConnectionStrings["ConnectionString"];
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if (conn == null)
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{
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throw new Exception("未找到数据库连接字符串，请检查 App.config 是否正确！");
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}
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return conn.ConnectionString;
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}
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}
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/// <summary>
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/// DataView 转 ObservableCollection
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/// </summary>
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public static ObservableCollection<T> ConvertDataViewToObservableCollection<T>(DataView view) where T : class, new()
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{
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ObservableCollection<T> collection = new ObservableCollection<T>();
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if (view == null || view.Count == 0)
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{
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return collection; // 返回空集合
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}
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// 获取 DataTable 结构（从 DataView 取出）
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DataTable table = view.Table;
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// 缓存属性信息
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PropertyInfo[] properties = typeof(T).GetProperties();
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foreach (DataRowView rowView in view)
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{
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DataRow row = rowView.Row;
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T obj = new T();
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foreach (PropertyInfo info in properties)
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{
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if (table.Columns.Contains(info.Name))
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{
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if (row[info.Name] != DBNull.Value)
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{
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// 获取属性类型
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Type propertyType = info.PropertyType;
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// 获取DataRow中的值
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object value = row[info.Name];
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// 进行类型转换
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if (propertyType.IsEnum)
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{
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value = Enum.ToObject(propertyType, value);
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}
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else if (propertyType == typeof(int) && value is long)
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{
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value = Convert.ToInt32(value);
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}
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else if (propertyType.IsGenericType && propertyType.GetGenericTypeDefinition() == typeof(Nullable<>))
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{
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if (value != null)
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{
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propertyType = Nullable.GetUnderlyingType(propertyType);
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value = Convert.ChangeType(value, propertyType);
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}
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}
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else
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{
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value = Convert.ChangeType(value, propertyType);
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}
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// 设置属性值
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info.SetValue(obj, value, null);
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}
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}
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}
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collection.Add(obj);
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}
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return collection;
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}
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public static void MenuViewQuit()
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{
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main.MenuView.Children.Clear();
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main.MenuView.Visibility = System.Windows.Visibility.Collapsed;
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}
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public static void SaveImage(Bitmap bitmap)
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{
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try
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{
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string directory = @"E:\Images";
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if (!Directory.Exists(directory))
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{
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Directory.CreateDirectory(directory);
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}
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string filePath = Path.Combine(directory, $"Image_{DateTime.Now:yyyyMMdd_HHmmss}.bmp");
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bitmap.Save(filePath, ImageFormat.Bmp); // 直接保存 BMP，避免二次转换
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}
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catch (Exception e)
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{
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MessageBox.Show($"保存图片失败: {e.Message}");
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}
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}
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public static BitmapSource BitmapToBitmapSource2(Bitmap bitmap)
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{
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IntPtr hBitmap = IntPtr.Zero;
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BitmapSource bitmapSource = null;
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try
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{
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// 使用 GetThumbnailImage 进行快速缩放
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using (Bitmap resizedBitmap = (Bitmap)bitmap.GetThumbnailImage(760, 600, null, IntPtr.Zero))
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{
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hBitmap = resizedBitmap.GetHbitmap();
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bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
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hBitmap,
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IntPtr.Zero,
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Int32Rect.Empty,
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BitmapSizeOptions.FromEmptyOptions());
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bitmapSource.Freeze(); // 让 BitmapSource 可跨线程使用
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}
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}
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finally
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{
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if (hBitmap != IntPtr.Zero)
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{
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DeleteObject(hBitmap); // 避免 GDI 资源泄漏
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}
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}
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return bitmapSource;
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}
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public static BitmapSource BitmapToBitmapSource(Bitmap bitmap)
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{
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IntPtr hBitmap = IntPtr.Zero;
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BitmapSource bitmapSource = null;
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try
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{
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hBitmap = bitmap.GetHbitmap();
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bitmapSource = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
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hBitmap,
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IntPtr.Zero,
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Int32Rect.Empty,
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BitmapSizeOptions.FromEmptyOptions());
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}
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finally
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{
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if (hBitmap != IntPtr.Zero)
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{
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DeleteObject(hBitmap); // 避免 GDI 资源泄漏
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}
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}
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return bitmapSource;
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}
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[System.Runtime.InteropServices.DllImport("gdi32.dll")]
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private static extern bool DeleteObject(IntPtr hObject);
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/// <summary>
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/// 保存ObservableCollection数据为excel
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/// </summary>
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/// <param name="tagInfos"></param>
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/// <param name="filePath"></param>
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public static void SaveToExcel(ObservableCollection<SCAN_MAIN> tagInfos, string filePath)
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{
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ExcelPackage.LicenseContext = OfficeOpenXml.LicenseContext.NonCommercial;
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using (var package = new ExcelPackage())
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{
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var worksheet = package.Workbook.Worksheets.Add("历史报废数据");
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// 添加标题行
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worksheet.Cells[1, 1].Value = "时间";
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worksheet.Cells[1, 2].Value = "资产编号";
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worksheet.Cells[1, 3].Value = "报废前图片路径";
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worksheet.Cells[1, 4].Value = "报废后图片路径";
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// 设置第一列（时间列）为文本格式，防止Excel自动转换日期
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worksheet.Column(1).Style.Numberformat.Format = "@";
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worksheet.Column(2).Style.Numberformat.Format = "@";
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worksheet.Column(3).Style.Numberformat.Format = "@";
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worksheet.Column(4).Style.Numberformat.Format = "@";
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// 添加数据行
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for (int i = 0; i < tagInfos.Count; i++)
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{
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worksheet.Cells[i + 2, 1].Value = tagInfos[i].time.ToString("yyyy-MM-dd HH:mm:ss"); // 添加单引号，强制 Excel 识别为文本
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worksheet.Cells[i + 2, 2].Value = tagInfos[i].goodcode;
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worksheet.Cells[i + 2, 3].Value = tagInfos[i].img;
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worksheet.Cells[i + 2, 4].Value = tagInfos[i].img_after;
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}
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// 保存到文件
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var fileInfo = new FileInfo(filePath);
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package.SaveAs(fileInfo);
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System.Windows.MessageBox.Show("数据导出成功！");
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}
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}
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public static void EnsureFolderExists(string folderName)
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{
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string projectRoot = AppDomain.CurrentDomain.BaseDirectory;
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string folderPath = Path.Combine(projectRoot, folderName);
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if (!Directory.Exists(folderPath))
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{
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Directory.CreateDirectory(folderPath);
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}
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else
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{
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string todayFolderName = DateTime.Now.ToString("yyyy-MM-dd");
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string todayFolderPath = Path.Combine(folderPath, todayFolderName);
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// 如果今天日期的文件夹不存在，则创建
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if (!Directory.Exists(todayFolderPath))
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{
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Directory.CreateDirectory(todayFolderPath);
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}
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}
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}
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private static string configPath = "config.json";
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public static string GetSetting(string key)
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{
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var json = JObject.Parse(File.ReadAllText(configPath));
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return json["Settings"]?[key]?.ToString();
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}
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public static void SetSetting(string key, string value)
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{
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var json = JObject.Parse(File.ReadAllText(configPath));
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json["Settings"][key] = value;
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File.WriteAllText(configPath, json.ToString());
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}
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}
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}
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