添加到从Excel导入的对话框
This commit is contained in:
275
Helper/ExcelHelper.cs
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275
Helper/ExcelHelper.cs
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using NPOI.SS.UserModel;
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using NPOI.XSSF.UserModel;
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using PMSWPF.Enums;
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using PMSWPF.Models;
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namespace PMSWPF.Helper
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{
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/// <summary>
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/// Excel 操作帮助类
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/// </summary>
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public static class ExcelHelper
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{
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/// <summary>
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/// 将数据列表导出到 Excel 文件。
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/// </summary>
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/// <typeparam name="T">数据类型。</typeparam>
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/// <param name="data">要导出的数据列表。</param>
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/// <param name="filePath">Excel 文件的保存路径。</param>
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/// <param name="sheetName">工作表的名称。</param>
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public static void ExportToExcel<T>(IEnumerable<T> data, string filePath, string sheetName = "Sheet1") where T : class
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{
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if (data == null)
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{
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throw new ArgumentNullException(nameof(data));
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}
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using (var fs = new FileStream(filePath, FileMode.Create, FileAccess.Write))
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{
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IWorkbook workbook = new XSSFWorkbook();
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ISheet sheet = workbook.CreateSheet(sheetName);
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// 获取T类型的属性
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PropertyInfo[] properties = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
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// 创建表头
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IRow headerRow = sheet.CreateRow(0);
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for (int i = 0; i < properties.Length; i++)
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{
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headerRow.CreateCell(i).SetCellValue(properties[i].Name);
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}
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// 填充数据
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int rowIndex = 1;
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foreach (var item in data)
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{
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IRow dataRow = sheet.CreateRow(rowIndex++);
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for (int i = 0; i < properties.Length; i++)
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{
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object value = properties[i].GetValue(item, null);
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dataRow.CreateCell(i).SetCellValue(value?.ToString() ?? string.Empty);
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}
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}
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workbook.Write(fs);
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}
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}
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/// <summary>
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/// 将 DataTable 导出到 Excel 文件。
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/// </summary>
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/// <param name="dataTable">要导出的 DataTable。</param>
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/// <param name="filePath">Excel 文件的保存路径。</param>
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/// <param name="sheetName">工作表的名称。</param>
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public static void ExportToExcel(DataTable dataTable, string filePath, string sheetName = "Sheet1")
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{
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if (dataTable == null)
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{
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throw new ArgumentNullException(nameof(dataTable));
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}
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using (var fs = new FileStream(filePath, FileMode.Create, FileAccess.Write))
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{
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IWorkbook workbook = new XSSFWorkbook();
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ISheet sheet = workbook.CreateSheet(sheetName);
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// 创建表头
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IRow headerRow = sheet.CreateRow(0);
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for (int i = 0; i < dataTable.Columns.Count; i++)
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{
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headerRow.CreateCell(i).SetCellValue(dataTable.Columns[i].ColumnName);
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}
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// 填充数据
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for (int i = 0; i < dataTable.Rows.Count; i++)
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{
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IRow dataRow = sheet.CreateRow(i + 1);
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for (int j = 0; j < dataTable.Columns.Count; j++)
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{
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dataRow.CreateCell(j).SetCellValue(dataTable.Rows[i][j].ToString());
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}
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}
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workbook.Write(fs);
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}
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}
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/// <summary>
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/// 从 Excel 文件导入数据到 DataTable。
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/// </summary>
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/// <param name="filePath">Excel 文件的路径。</param>
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/// <param name="sheetName">工作表的名称。</param>
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/// <param name="hasHeaderRow">是否包含表头行。</param>
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/// <returns>包含导入数据的 DataTable。</returns>
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public static DataTable ImportFromExcel(string filePath, string sheetName = "Sheet1", bool hasHeaderRow = true)
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{
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if (!File.Exists(filePath))
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{
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throw new FileNotFoundException("The specified file does not exist.", filePath);
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}
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var dt = new DataTable();
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using (var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
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{
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IWorkbook workbook = new XSSFWorkbook(fs);
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ISheet sheet = workbook.GetSheet(sheetName) ?? workbook.GetSheetAt(0);
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if (sheet == null)
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{
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throw new Exception($"Sheet with name '{sheetName}' not found.");
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}
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IRow headerRow = hasHeaderRow ? sheet.GetRow(0) : null;
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int firstRow = hasHeaderRow ? 1 : 0;
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int cellCount = headerRow?.LastCellNum ?? sheet.GetRow(sheet.FirstRowNum).LastCellNum;
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// 创建列
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for (int i = 0; i < cellCount; i++)
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{
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string columnName = hasHeaderRow ? headerRow.GetCell(i)?.ToString() ?? $"Column{i + 1}" : $"Column{i + 1}";
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dt.Columns.Add(columnName);
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}
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// 填充数据
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for (int i = firstRow; i <= sheet.LastRowNum; i++)
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{
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IRow row = sheet.GetRow(i);
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if (row == null) continue;
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DataRow dataRow = dt.NewRow();
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for (int j = 0; j < cellCount; j++)
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{
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ICell cell = row.GetCell(j);
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dataRow[j] = cell?.ToString() ?? string.Empty;
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}
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dt.Rows.Add(dataRow);
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}
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}
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return dt;
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}
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/// <summary>
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/// 从博途的变量表中导如变量
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/// </summary>
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/// <param name="excelFilePath"></param>
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/// <returns></returns>
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/// <exception cref="AggregateException"></exception>
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public static List<VariableData> ImprotFromTiaVariableTable(string excelFilePath)
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{
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// Act
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// _testFilePath = "C:\\Users\\Administrator\\Desktop\\浓度变量.xlsx";
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var dataTable = ExcelHelper.ImportFromExcel(excelFilePath);
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// 判断表头的名字
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if (dataTable.Columns[0].ColumnName != "Name" || dataTable.Columns[2].ColumnName != "Data Type" &&
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dataTable.Columns[3].ColumnName != "Logical Address")
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throw new AggregateException(
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"Excel表格式不正确：第一列的名字是：Name,第三列的名字是：Data Type,Data Type,第四列的名字是：Logical Address,请检查");
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List<VariableData> variableDatas = new List<VariableData>();
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foreach (DataRow dataRow in dataTable.Rows)
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{
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VariableData variableData = new VariableData();
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variableData.Name=dataRow["Name"].ToString();
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variableData.DataType=SiemensHelper.S7ToCSharpTypeString(dataRow["Data Type"].ToString()) ;
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var exS7Addr=dataRow["Logical Address"].ToString();
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if (exS7Addr.StartsWith("%"))
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{
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variableData.S7Address = exS7Addr.Substring(1);
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}
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variableData.NodeId = "";
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variableData.ProtocolType = ProtocolType.S7;
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variableData.SignalType = SignalType.OtherASignal;
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variableDatas.Add(variableData);
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}
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return variableDatas;
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}
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/// <summary>
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/// 从 Excel 文件导入数据到对象列表。
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/// </summary>
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/// <typeparam name="T">要转换的目标类型。</typeparam>
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/// <param name="filePath">Excel 文件的路径。</param>
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/// <param name="sheetName">工作表的名称。</param>
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/// <returns>包含导入数据的对象列表。</returns>
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public static List<T> ImportFromExcel<T>(string filePath, string sheetName = "Sheet1") where T : class, new()
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{
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if (!File.Exists(filePath))
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{
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throw new FileNotFoundException("The specified file does not exist.", filePath);
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}
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var list = new List<T>();
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PropertyInfo[] properties = typeof(T).GetProperties(BindingFlags.Public | BindingFlags.Instance);
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using (var fs = new FileStream(filePath, FileMode.Open, FileAccess.Read))
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{
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IWorkbook workbook = new XSSFWorkbook(fs);
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ISheet sheet = workbook.GetSheet(sheetName) ?? workbook.GetSheetAt(0);
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if (sheet == null)
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{
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throw new Exception($"Sheet with name '{sheetName}' not found.");
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}
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IRow headerRow = sheet.GetRow(0);
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if (headerRow == null)
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{
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throw new Exception("Header row not found.");
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}
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// 创建列名到属性的映射
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var columnMap = new Dictionary<int, PropertyInfo>();
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for (int i = 0; i < headerRow.LastCellNum; i++)
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{
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string columnName = headerRow.GetCell(i)?.ToString();
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if (!string.IsNullOrEmpty(columnName))
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{
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var prop = properties.FirstOrDefault(p => p.Name.Equals(columnName, StringComparison.OrdinalIgnoreCase));
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if (prop != null)
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{
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columnMap[i] = prop;
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}
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}
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}
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// 读取数据行
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for (int i = 1; i <= sheet.LastRowNum; i++)
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{
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IRow row = sheet.GetRow(i);
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if (row == null) continue;
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var item = new T();
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foreach (var map in columnMap)
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{
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ICell cell = row.GetCell(map.Key);
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if (cell != null)
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{
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try
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{
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// 尝试进行类型转换
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object value = Convert.ChangeType(cell.ToString(), map.Value.PropertyType);
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map.Value.SetValue(item, value, null);
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}
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catch (Exception)
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{
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// 转换失败时可以记录日志或设置默认值
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}
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}
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}
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list.Add(item);
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}
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}
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return list;
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}
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}
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}
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54
Helper/SiemensHelper.cs
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54
Helper/SiemensHelper.cs
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namespace PMSWPF.Helper;
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/// <summary>
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/// 西门子帮助类
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/// </summary>
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public static class SiemensHelper
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{
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/// <summary>
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/// 将S7数据类型字符串转换为C#数据类型字符串
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/// </summary>
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/// <param name="s7Type">S7数据类型字符串</param>
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/// <returns>对应的C#数据类型字符串</returns>
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public static string S7ToCSharpTypeString(string s7Type)
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{
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switch (s7Type.ToUpper())
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{
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case "BOOL":
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return "bool";
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case "BYTE":
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return "byte";
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case "WORD":
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return "ushort";
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case "DWORD":
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return "uint";
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case "INT":
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return "short";
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case "DINT":
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return "int";
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case "REAL":
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return "float";
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case "LREAL":
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return "double";
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case "CHAR":
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return "char";
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case "STRING":
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return "string";
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case "TIMER":
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case "TIME":
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return "TimeSpan";
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case "COUNTER":
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return "ushort";
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case "DATE":
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return "DateTime";
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case "TIME_OF_DAY":
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case "TOD":
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return "DateTime";
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case "DATE_AND_TIME":
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case "DT":
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return "DateTime";
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default:
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return "object";
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}
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}
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}
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33
ViewModels/Dialogs/ImportExcelDialogViewModel.cs
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33
ViewModels/Dialogs/ImportExcelDialogViewModel.cs
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using System.Collections.ObjectModel;
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using CommunityToolkit.Mvvm.ComponentModel;
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using PMSWPF.Helper;
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using PMSWPF.Models;
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namespace PMSWPF.ViewModels.Dialogs;
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public partial class ImportExcelDialogViewModel : ObservableObject
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{
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[ObservableProperty]
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private string? _filePath;
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[ObservableProperty]
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private ObservableCollection<VariableData> _variableData = new();
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partial void OnFilePathChanged(string? value)
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{
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if (string.IsNullOrEmpty(value))
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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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var data = ExcelHelper.ImprotFromTiaVariableTable(value);
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VariableData = new ObservableCollection<VariableData>(data);
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}
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catch (System.Exception ex)
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{
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// Handle exception
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}
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}
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}
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54
Views/Dialogs/ImportExcelDialog.xaml
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54
Views/Dialogs/ImportExcelDialog.xaml
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<ui:ContentDialog x:Class="PMSWPF.Views.Dialogs.ImportExcelDialog"
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xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
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xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
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xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
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xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
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xmlns:ui="http://schemas.inkore.net/lib/ui/wpf/modern"
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xmlns:vmd="clr-namespace:PMSWPF.ViewModels.Dialogs"
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Title="从Excel导入"
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CloseButtonText="取消"
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DefaultButton="Primary"
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PrimaryButtonText="导入"
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d:DataContext="{d:DesignInstance vmd:ImportExcelDialogViewModel}"
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mc:Ignorable="d"
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AllowDrop="True"
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DragEnter="Dialog_DragEnter"
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Drop="Dialog_Drop">
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<Grid Margin="10">
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<Grid.RowDefinitions>
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<RowDefinition Height="Auto" />
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<RowDefinition Height="*" />
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</Grid.RowDefinitions>
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<StackPanel Grid.Row="0">
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<TextBlock HorizontalAlignment="Center"
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Text="拖放Excel文件到此处或选择文件" />
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<Grid Margin="0,10,0,0">
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<Grid.ColumnDefinitions>
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<ColumnDefinition Width="*" />
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<ColumnDefinition Width="Auto" />
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</Grid.ColumnDefinitions>
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<TextBox Grid.Column="0"
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VerticalAlignment="Center"
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Text="{Binding FilePath, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
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<Button Grid.Column="1"
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Margin="5,0,0,0"
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Click="SelectFile_Click"
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Content="选择文件" />
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</Grid>
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</StackPanel>
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<DataGrid Grid.Row="1"
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Margin="0,10,0,0"
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ItemsSource="{Binding VariableData}"
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AutoGenerateColumns="False"
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CanUserAddRows="False">
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<DataGrid.Columns>
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<DataGridTextColumn Header="名称" Binding="{Binding Name}" />
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<DataGridTextColumn Header="数据类型" Binding="{Binding DataType}" />
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<DataGridTextColumn Header="S7地址" Binding="{Binding S7Address}" />
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</DataGrid.Columns>
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</DataGrid>
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</Grid>
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</ui:ContentDialog>
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67
Views/Dialogs/ImportExcelDialog.xaml.cs
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67
Views/Dialogs/ImportExcelDialog.xaml.cs
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@@ -0,0 +1,67 @@
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using Microsoft.Win32;
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using PMSWPF.ViewModels.Dialogs;
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using System.IO;
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using System.Windows;
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using iNKORE.UI.WPF.Modern.Controls;
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namespace PMSWPF.Views.Dialogs;
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public partial class ImportExcelDialog : ContentDialog
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{
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public ImportExcelDialog(ImportExcelDialogViewModel viewModel)
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{
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InitializeComponent();
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DataContext = viewModel;
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}
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private void Dialog_DragEnter(object sender, DragEventArgs e)
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{
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if (e.Data.GetDataPresent(DataFormats.FileDrop))
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{
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e.Effects = DragDropEffects.Copy;
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}
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else
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{
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e.Effects = DragDropEffects.None;
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}
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}
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private void Dialog_Drop(object sender, DragEventArgs e)
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{
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if (e.Data.GetDataPresent(DataFormats.FileDrop))
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{
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string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
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if (files.Length > 0)
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{
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string extension = Path.GetExtension(files[0]);
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if (extension.Equals(".xls", StringComparison.OrdinalIgnoreCase) ||
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extension.Equals(".xlsx", StringComparison.OrdinalIgnoreCase))
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{
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if (DataContext is ImportExcelDialogViewModel viewModel)
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{
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viewModel.FilePath = files[0];
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}
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}
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else
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{
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// MessageBox.Show("Please drop a valid Excel file (.xls or .xlsx).", "Invalid File Type", MessageBoxButton.OK, MessageBoxImage.Error);
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}
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}
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}
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}
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private void SelectFile_Click(object sender, RoutedEventArgs e)
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{
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var openFileDialog = new OpenFileDialog
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{
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Filter = "Excel Files (*.xlsx)|*.xlsx|All files (*.*)|*.*"
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};
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||||
if (openFileDialog.ShowDialog() == true)
|
||||
{
|
||||
if (DataContext is ImportExcelDialogViewModel viewModel)
|
||||
{
|
||||
viewModel.FilePath = openFileDialog.FileName;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user