c# excel 操作例子 转自http://www.cnblogs.com/waxdoll/archive/2005/10/28/264071.html
为简化使用Excel COM写的类
经常需要在开发中使用Excel COM,为简化使用写了这个类,感觉还是不太方便。
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using
System;
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namespace
ExcelHandle
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{
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/**//// <summary>
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/// ExcelHandle 的摘要说明。
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/// </summary>
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public class ExcelHandle
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{
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/**//// <summary>
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/// Excel
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/// </summary>
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public Excel.Application CurExcel = null;
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/**//// <summary>
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/// 工作簿
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/// </summary>
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public Excel._Workbook CurBook = null;
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/**//// <summary>
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/// 工作表
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/// </summary>
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public Excel._Worksheet CurSheet = null;
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private object mValue = System.Reflection.Missing.Value;
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/**//// <summary>
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/// 构造函数
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/// </summary>
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public ExcelHandle()
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{
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//
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// TODO: 在此处添加构造函数逻辑
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//
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this.dtBefore = System.DateTime.Now;
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CurExcel = new Excel.Application();
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this.dtAfter = System.DateTime.Now;
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this.timestamp = System.DateTime.Now.ToShortDateString().Replace("-", "") + System.DateTime.Now.ToShortTimeString().Replace(":", "") + System.DateTime.Now.Second.ToString() + System.DateTime.Now.Millisecond.ToString();
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}
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/**//// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="strFilePath">加载的Excel文件名</param>
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public ExcelHandle(string strFilePath)
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{
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this.dtBefore = System.DateTime.Now;
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CurExcel = new Excel.Application();
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this.dtAfter = System.DateTime.Now;
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CurBook = (Excel._Workbook)CurExcel.Workbooks.Open(strFilePath, mValue, false, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue);
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this.timestamp = System.DateTime.Now.ToShortDateString().Replace("-", "") + System.DateTime.Now.ToShortTimeString().Replace(":", "") + System.DateTime.Now.Second.ToString() + System.DateTime.Now.Millisecond.ToString();
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}
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/**//// <summary>
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/// 释放内存空间
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/// </summary>
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public void Dispose()
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{
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try
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{
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System.Runtime.InteropServices.Marshal.ReleaseComObject(CurSheet);
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CurSheet = null;
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CurBook.Close(false, mValue, mValue);
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System.Runtime.InteropServices.Marshal.ReleaseComObject(CurBook);
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CurBook = null;
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CurExcel.Quit();
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System.Runtime.InteropServices.Marshal.ReleaseComObject(CurExcel);
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CurExcel = null;
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GC.Collect();
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GC.WaitForPendingFinalizers();
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}
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catch(System.Exception ex)
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{
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this.MessageWarning("在释放Excel内存空间时发生了一个错误:", ex);
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}
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finally
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{
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foreach(System.Diagnostics.Process pro in System.Diagnostics.Process.GetProcessesByName("Excel"))
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if (pro.StartTime > this.dtBefore && pro.StartTime < this.dtAfter)
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pro.Kill();
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}
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System.GC.SuppressFinalize(this);
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}
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private string filepath;
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private string timestamp;
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private System.DateTime dtBefore;
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private System.DateTime dtAfter;
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/**//// <summary>
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/// Excel文件名
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/// </summary>
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public string FilePath
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{
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get
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{
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return this.filepath;
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}
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set
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{
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this.filepath = value;
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}
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}
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/**//// <summary>
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/// 是否打开Excel界面
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/// </summary>
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public bool Visible
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{
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set
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{
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CurExcel.Visible = value;
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}
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}
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/**//// <summary>
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/// 以时间字符串作为保存文件的名称
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/// </summary>
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public string TimeStamp
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{
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get
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{
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return this.timestamp;
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}
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set
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{
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this.timestamp = value;
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}
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}
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/**//// <summary>
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/// 加载Excel文件
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/// </summary>
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public void Load()
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{
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if (CurBook == null && this.filepath != null)
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CurBook = (Excel._Workbook)CurExcel.Workbooks.Open(this.filepath, mValue, false, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue);
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}
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/**//// <summary>
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/// 加载Excel文件
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/// </summary>
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/// <param name="strFilePath">Excel文件名</param>
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public void Load(string strFilePath)
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{
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if (CurBook == null)
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CurBook = (Excel._Workbook)CurExcel.Workbooks.Open(strFilePath, mValue, false, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue, mValue);
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}
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/**//// <summary>
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/// 新建工作表
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/// </summary>
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/// <param name="strWorkSheetName">工作表名称</param>
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public void NewWorkSheet(string strWorkSheetName)
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{
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CurSheet = (Excel._Worksheet)CurBook.Sheets.Add(CurBook.Sheets[1], mValue, mValue, mValue);
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CurSheet.Name = strWorkSheetName;
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}
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/**//// <summary>
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/// 在指定单元格插入指定的值
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/// </summary>
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/// <param name="strCell">单元格,如“A4”</param>
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/// <param name="objValue">文本、数字等值</param>
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public void WriteCell(string strCell, object objValue)
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{
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CurSheet.get_Range(strCell, mValue).Value2 = objValue;
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}
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/**//// <summary>
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/// 在指定Range中插入指定的值
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/// </summary>
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/// <param name="strStartCell">Range的开始单元格</param>
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/// <param name="strEndCell">Range的结束单元格</param>
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/// <param name="objValue">文本、数字等值</param>
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public void WriteRange(string strStartCell, string strEndCell, object objValue)
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{
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CurSheet.get_Range(strStartCell, strEndCell).Value2 = objValue;
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}
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/**//// <summary>
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/// 合并单元格,并在合并后的单元格中插入指定的值
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/// </summary>
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/// <param name="strStartCell"></param>
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/// <param name="strEndCell"></param>
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/// <param name="objValue"></param>
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public void WriteAfterMerge(string strStartCell, string strEndCell, object objValue)
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{
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CurSheet.get_Range(strStartCell, strEndCell).Merge(mValue);
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CurSheet.get_Range(strStartCell, mValue).Value2 = objValue;
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}
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/**//// <summary>
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/// 在连续单元格中插入一个DataTable中的值
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/// </summary>
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/// <param name="strStartCell">开始的单元格</param>
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/// <param name="dtData">存储数据的DataTable</param>
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public void WriteTable(string strStartCell, System.Data.DataTable dtData)
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{
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object[,] arrData = new object[dtData.Rows.Count, dtData.Columns.Count];
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for (int i = 0; i < dtData.Rows.Count; i ++)
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for (int j = 0; j < dtData.Columns.Count; j ++)
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arrData[i, j] = dtData.Rows[i][j];
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CurSheet.get_Range(strStartCell, this.GetEndCell(strStartCell, dtData.Rows.Count - 1, dtData.Columns.Count - 1)).Value2 = arrData;
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arrData = null;
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}
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/**//// <summary>
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/// 在连续单元格中插入一个DataTable并作超级链接
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/// </summary>
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/// <param name="strStartCell">起始单元格标识符</param>
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/// <param name="dtData">存储数据的DataTable</param>
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/// <param name="strLinkField">链接的地址字段</param>
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/// <param name="strTextField">链接的文本字段</param>
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public void WriteTableAndLink(string strStartCell, System.Data.DataTable dtData, string strLinkField, string strTextField)
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{
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object[,] arrData = new object[dtData.Rows.Count, dtData.Columns.Count - 1];
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for (int i = 0; i < dtData.Rows.Count; i ++)
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{
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for (int j = 0; j < dtData.Columns.Count; j ++)
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{
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if (j > dtData.Columns.IndexOf(strLinkField))
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arrData[i, j - 1] = dtData.Rows[i][j];
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else if (j < dtData.Columns.IndexOf(strLinkField))
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arrData[i, j] = dtData.Rows[i][j];
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}
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}
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CurSheet.get_Range(strStartCell, this.GetEndCell(strStartCell, dtData.Rows.Count - 1, dtData.Columns.Count - 2)).Value2 = arrData;
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for (int i = 0; i < dtData.Rows.Count; i ++)
256
this.AddHyperLink(this.NtoL(this.LtoN(this.GetCellLetter(strStartCell)) + dtData.Columns.IndexOf(strTextField)) + System.Convert.ToString(this.GetCellNumber(strStartCell) + i), dtData.Rows[i][strLinkField].ToString() + ".htm", "点击查看详细", dtData.Rows[i][strTextField].ToString());
257
258
arrData = null;
259
}
260
261
/**//// <summary>
262
/// 为单元格设置公式
263
/// </summary>
264
/// <param name="strCell">单元格标识符</param>
265
/// <param name="strFormula">公式</param>
266
public void SetFormula(string strCell, string strFormula)
267
{
268
CurSheet.get_Range(strCell, mValue).Formula = strFormula;
269
}
270
271
/**//// <summary>
272
/// 设置单元格或连续区域的字体为黑体
273
/// </summary>
274
/// <param name="strCell">单元格标识符</param>
275
public void SetBold(string strCell)
276
{
277
CurSheet.get_Range(strCell, mValue).Font.Bold = true;
278
}
279
280
/**//// <summary>
281
/// 设置连续区域的字体为黑体
282
/// </summary>
283
/// <param name="strStartCell">开始单元格标识符</param>
284
/// <param name="strEndCell">结束单元格标识符</param>
285
public void SetBold(string strStartCell, string strEndCell)
286
{
287
CurSheet.get_Range(strStartCell, strEndCell).Font.Bold = true;
288
}
289
290
/**//// <summary>
291
/// 设置单元格或连续区域的字体颜色
292
/// </summary>
293
/// <param name="strCell">单元格标识符</param>
294
/// <param name="clrColor">颜色</param>
295
public void SetColor(string strCell, System.Drawing.Color clrColor)
296
{
297
CurSheet.get_Range(strCell, mValue).Font.Color = System.Drawing.ColorTranslator.ToOle(clrColor);
298
}
299
300
/**//// <summary>
301
/// 设置连续区域的字体颜色
302
/// </summary>
303
/// <param name="strStartCell">开始单元格标识符</param>
304
/// <param name="strEndCell">结束单元格标识符</param>
305
/// <param name="clrColor">颜色</param>
306
public void SetColor(string strStartCell, string strEndCell, System.Drawing.Color clrColor)
307
{
308
CurSheet.get_Range(strStartCell, strEndCell).Font.Color = System.Drawing.ColorTranslator.ToOle(clrColor);
309
}
310
311
/**//// <summary>
312
/// 设置单元格或连续区域的边框:上下左右都为黑色连续边框
313
/// </summary>
314
/// <param name="strCell">单元格标识符</param>
315
public void SetBorderAll(string strCell)
316
{
317
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeTop].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
318
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeTop].LineStyle = Excel.XlLineStyle.xlContinuous;
319
320
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeBottom].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
321
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeBottom].LineStyle = Excel.XlLineStyle.xlContinuous;
322
323
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeLeft].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
324
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeLeft].LineStyle = Excel.XlLineStyle.xlContinuous;
325
326
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeRight].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
327
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlEdgeRight].LineStyle = Excel.XlLineStyle.xlContinuous;
328
329
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlInsideHorizontal].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
330
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlInsideHorizontal].LineStyle = Excel.XlLineStyle.xlContinuous;
331
332
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlInsideVertical].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
333
CurSheet.get_Range(strCell, mValue).Borders[Excel.XlBordersIndex.xlInsideVertical].LineStyle = Excel.XlLineStyle.xlContinuous;
334
335
336
}
337
338
/**//// <summary>
339
/// 设置连续区域的边框:上下左右都为黑色连续边框
340
/// </summary>
341
/// <param name="strStartCell">开始单元格标识符</param>
342
/// <param name="strEndCell">结束单元格标识符</param>
343
public void SetBorderAll(string strStartCell, string strEndCell)
344
{
345
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeTop].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
346
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeTop].LineStyle = Excel.XlLineStyle.xlContinuous;
347
348
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeBottom].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
349
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeBottom].LineStyle = Excel.XlLineStyle.xlContinuous;
350
351
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeLeft].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
352
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeLeft].LineStyle = Excel.XlLineStyle.xlContinuous;
353
354
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeRight].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
355
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlEdgeRight].LineStyle = Excel.XlLineStyle.xlContinuous;
356
357
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlInsideHorizontal].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
358
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlInsideHorizontal].LineStyle = Excel.XlLineStyle.xlContinuous;
359
360
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlInsideVertical].Color = System.Drawing.ColorTranslator.ToOle(System.Drawing.Color.LightGray);
361
CurSheet.get_Range(strStartCell, strEndCell).Borders[Excel.XlBordersIndex.xlInsideVertical].LineStyle = Excel.XlLineStyle.xlContinuous;
362
}
363
364
/**//// <summary>
365
/// 设置单元格或连续区域水平居左
366
/// </summary>
367
/// <param name="strCell">单元格标识符</param>
368
public void SetHAlignLeft(string strCell)
369
{
370
CurSheet.get_Range(strCell, mValue).HorizontalAlignment = Excel.XlHAlign.xlHAlignLeft;
371
}
372
373
/**//// <summary>
374
/// 设置连续区域水平居左
375
/// </summary>
376
/// <param name="strStartCell">开始单元格标识符</param>
377
/// <param name="strEndCell">结束单元格标识符</param>
378
public void SetHAlignLeft(string strStartCell, string strEndCell)
379
{
380
CurSheet.get_Range(strStartCell, strEndCell).HorizontalAlignment = Excel.XlHAlign.xlHAlignLeft;
381
}
382
383
/**//// <summary>
384
/// 设置单元格或连续区域水平居左
385
/// </summary>
386
/// <param name="strCell">单元格标识符</param>
387
public void SetHAlignCenter(string strCell)
388
{
389
CurSheet.get_Range(strCell, mValue).HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
390
}
391
392
/**//// <summary>
393
/// 设置连续区域水平居中
394
/// </summary>
395
/// <param name="strStartCell">开始单元格标识符</param>
396
/// <param name="strEndCell">结束单元格标识符</param>
397
public void SetHAlignCenter(string strStartCell, string strEndCell)
398
{
399
CurSheet.get_Range(strStartCell, strEndCell).HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
400
}
401
402
/**//// <summary>
403
/// 设置单元格或连续区域水平居右
404
/// </summary>
405
/// <param name="strCell">单元格标识符</param>
406
public void SetHAlignRight(string strCell)
407
{
408
CurSheet.get_Range(strCell, mValue).HorizontalAlignment = Excel.XlHAlign.xlHAlignRight;
409
}
410
411
/**//// <summary>
412
/// 设置连续区域水平居右
413
/// </summary>
414
/// <param name="strStartCell">开始单元格标识符</param>
415
/// <param name="strEndCell">结束单元格标识符</param>
416
public void SetHAlignRight(string strStartCell, string strEndCell)
417
{
418
CurSheet.get_Range(strStartCell, strEndCell).HorizontalAlignment = Excel.XlHAlign.xlHAlignRight;
419
}
420
421
/**//// <summary>
422
/// 设置单元格或连续区域的显示格式
423
/// </summary>
424
/// <param name="strCell">单元格标识符</param>
425
/// <param name="strNF">如"#,##0.00"的显示格式</param>
426
public void SetNumberFormat(string strCell, string strNF)
427
{
428
CurSheet.get_Range(strCell, mValue).NumberFormat = strNF;
429
}
430
431
/**//// <summary>
432
/// 设置连续区域的显示格式
433
/// </summary>
434
/// <param name="strStartCell">开始单元格标识符</param>
435
/// <param name="strEndCell">结束单元格标识符</param>
436
/// <param name="strNF">如"#,##0.00"的显示格式</param>
437
public void SetNumberFormat(string strStartCell, string strEndCell, string strNF)
438
{
439
CurSheet.get_Range(strStartCell, strEndCell).NumberFormat = strNF;
440
}
441
442
/**//// <summary>
443
/// 设置单元格或连续区域的字体大小
444
/// </summary>
445
/// <param name="strCell">单元格或连续区域标识符</param>
446
/// <param name="intFontSize"></param>
447
public void SetFontSize(string strCell, int intFontSize)
448
{
449
CurSheet.get_Range(strCell, mValue).Font.Size = intFontSize.ToString();
450
}
451
452
/**//// <summary>
453
/// 设置连续区域的字体大小
454
/// </summary>
455
/// <param name="strStartCell">开始单元格标识符</param>
456
/// <param name="strEndCell">结束单元格标识符</param>
457
/// <param name="intFontSize">字体大小</param>
458
public void SetFontSize(string strStartCell, string strEndCell, int intFontSize)
459
{
460
CurSheet.get_Range(strStartCell, strEndCell).Font.Size = intFontSize.ToString();
461
}
462
463
/**//// <summary>
464
/// 设置列宽
465
/// </summary>
466
/// <param name="strColID">列标识,如A代表第一列</param>
467
/// <param name="decWidth">宽度</param>
468
public void SetColumnWidth(string strColID, double dblWidth)
469
{
470
((Excel.Range)CurSheet.Columns.GetType().InvokeMember("Item", System.Reflection.BindingFlags.GetProperty, null, CurSheet.Columns, new object[]
{(strColID + ":" + strColID).ToString()})).ColumnWidth = dblWidth;
471
}
472
473
/**//// <summary>
474
/// 为单元格添加超级链接
475
/// </summary>
476
/// <param name="strCell">单元格标识符</param>
477
/// <param name="strAddress">链接地址</param>
478
/// <param name="strTip">屏幕提示</param>
479
/// <param name="strText">链接文本</param>
480
public void AddHyperLink(string strCell, string strAddress, string strTip, string strText)
481
{
482
CurSheet.Hyperlinks.Add(CurSheet.get_Range(strCell, mValue), strAddress, mValue, strTip, strText);
483
}
484
485
/**//// <summary>
486
/// 已知开始的单元格标识,求intR行、intColumn列后的单元格标识
487
/// </summary>
488
/// <param name="strStartCell">开始单元格标识</param>
489
/// <param name="intR">行数</param>
490
/// <param name="intC">列数</param>
491
/// <returns>单元格标识符结果</returns>
492
public string GetEndCell(string strStartCell, int intR, int intC)
493
{
494
495
System.Text.RegularExpressions.Regex regex = new System.Text.RegularExpressions.Regex(@"^(?<vLetter>[A-Z]+)(?<vNumber>\d+)");
496
497
return this.NtoL(this.LtoN(regex.Match(strStartCell).Result("${vLetter}")) + intC) + System.Convert.ToString((System.Convert.ToInt32(regex.Match(strStartCell).Result("${vNumber}")) + intR));
498
499
}
500
501
/**//// <summary>
502
/// 获取单元格标识符中的字母
503
/// </summary>
504
/// <param name="strCell">单元格标识符</param>
505
/// <returns>单元格标识符对应的字母</returns>
506
public string GetCellLetter(string strCell)
507
{
508
System.Text.RegularExpressions.Regex regex = new System.Text.RegularExpressions.Regex(@"^(?<vLetter>[A-Z]+)(?<vNumber>\d+)");
509
return regex.Match(strCell).Result("${vLetter}");
510
}
511
512
/**//// <summary>
513
/// 获取单元格标识符中的数字
514
/// </summary>
515
/// <param name="strCell">单元格标识符</param>
516
public int GetCellNumber(string strCell)
517
{
518
System.Text.RegularExpressions.Regex regex = new System.Text.RegularExpressions.Regex(@"^(?<vLetter>[A-Z]+)(?<vNumber>\d+)");
519
return System.Convert.ToInt32(regex.Match(strCell).Result("${vNumber}"));
520
}
521
522
523
/**//// <summary>
524
/// 另存为xls文件
525
/// </summary>
526
/// <param name="strFilePath">文件路径</param>
527
public void Save(string strFilePath)
528
{
529
CurBook.SaveCopyAs(strFilePath);
530
}
531
532
/**//// <summary>
533
/// 另存为html文件
534
/// </summary>
535
/// <param name="strFilePath">文件路径</param>
536
public void SaveHtml(string strFilePath)
537
{
538
CurBook.SaveAs(strFilePath, Excel.XlFileFormat.xlHtml, mValue, mValue, mValue, mValue, Excel.XlSaveAsAccessMode.xlNoChange, mValue, mValue, mValue, mValue, mValue);
539
}
540
541
public void CreateHtmlFile()
542
{
543
544
}
545
546
547
548
辅助函数#region 辅助函数
549
550
/**//// <summary>
551
/// 调用MessageBox显示警告信息
552
/// </summary>
553
/// <param name="text">警告信息</param>
554
private void MessageWarning(string text)
555
{
556
System.Windows.Forms.MessageBox.Show(text, "Excel操作组件", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
557
}
558
559
/**//// <summary>
560
/// 调用MessageBox显示警告信息
561
/// </summary>
562
/// <param name="text">警告信息</param>
563
/// <param name="ex">产生警告的异常</param>
564
private void MessageWarning(string text, System.Exception ex)
565
{
566
System.Windows.Forms.MessageBox.Show(text + "\n\n错误信息:\n" + ex.Message + "\n堆栈跟踪:" + ex.StackTrace + "\n错误来源:" + ex.Source, "Excel操作组件", System.Windows.Forms.MessageBoxButtons.OK, System.Windows.Forms.MessageBoxIcon.Warning);
567
}
568
569
/**//// <summary>
570
/// 字母转换为数字,Excel列头,如A-1;AA-27
571
/// </summary>
572
/// <param name="strLetter">字母</param>
573
/// <returns>字母对应的数字</returns>
574
private int LtoN(string strLetter)
575
{
576
int intRtn = 0;
577
578
string strLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
579
580
if (strLetter.Length == 2)
581
intRtn += (strLetters.IndexOf(strLetter.Substring(0, 1)) + 1) * 26;
582
583
intRtn += strLetters.IndexOf(strLetter.Substring(strLetter.Length - 1, 1)) + 1;
584
585
return intRtn;
586
587
}
588
589
/**//// <summary>
590
/// 数字转换为字母,Excel列头,如1-A;27-AA
591
/// </summary>
592
/// <param name="intNumber">数字</param>
593
/// <returns>数字对应的字母</returns>
594
private string NtoL(int intNumber)
595
{
596
if (intNumber > 702)
597
return String.Empty;
598
599
if (intNumber == 702)
600
return "ZZ";
601
602
string strRtn = String.Empty;
603
604
string strLetters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
605
606
if (intNumber > 26)
607
strRtn = strLetters.Substring(intNumber / 26 - 1, 1);
608
609
strRtn += strLetters.Substring((intNumber % 26) - 1, 1);
610
611
return strRtn;
612
}
613
614
#endregion 辅助函数
615
616
617
618
}
619
}
620
621

2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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13
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14
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15
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16
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17
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18
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19
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20
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21
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22
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23
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24
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25
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26
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27
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28
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29
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30
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31
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32
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33
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34
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35
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36
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37
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38
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39
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40
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41
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366

367

368

369

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
370

371

372

373


374

375

376

377

378

379



380

381

382

383


384

385

386

387

388



389

390

391

392


393

394

395

396

397

398



399

400

401

402


403

404

405

406

407



408

409

410

411


412

413

414

415

416

417



418

419

420

421


422

423

424

425

426

427



428

429

430

431


432

433

434

435

436

437

438



439

440

441

442


443

444

445

446

447

448



449

450

451

452


453

454

455

456

457

458

459



460

461

462

463


464

465

466

467

468

469



470



471

472

473


474

475

476

477

478

479

480

481



482

483

484

485


486

487

488

489

490

491

492

493



494

495

496

497

498

499

500

501


502

503

504

505

506

507



508

509

510

511

512


513

514

515

516

517



518

519

520

521

522

523


524

525

526

527

528



529

530

531

532


533

534

535

536

537



538

539

540

541

542



543

544

545

546

547

548


549

550


551

552

553

554

555



556

557

558

559


560

561

562

563

564

565



566

567

568

569


570

571

572

573

574

575



576

577

578

579

580

581

582

583

584

585

586

587

588

589


590

591

592

593

594

595



596

597

598

599

600

601

602

603

604

605

606

607

608

609

610

611

612

613

614

615

616

617

618

619

620

621

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