ExcelHelper（Excel和C#、asp.net导入导出，通用类）（四）
http://blog.163.com/it_software/blog/static/1238582962010518113559784/
/// <summary>
/// 设置单元格为可计算的
/// </summary>
/// <remarks>
/// 如果Excel的单元格格式设置为数字，日期或者其他类型时，需要设置这些单元格的FormulaR1C1属性，
/// 否则写到这些单元格的数据将不会按照预先设定的格式显示
/// </remarks>
/// <param name="arr">保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>
public void SetCells(int sheetIndex,string[] arr)
{
int rowIndex;
int columnIndex;
string position;
if(sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}
if(arr.Length == 0) return;
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);
for(int i=0;i<arr.Length;i++)
{
try
{
position = arr[i];
rowIndex = Convert.ToInt32(position.Split(',')[0]);
columnIndex = Convert.ToInt32(position.Split(',')[1]);
Excel.Range cell = (Excel.Range)workSheet.Cells[rowIndex,columnIndex];
cell.FormulaR1C1 = cell.Text;
}
catch
{
this.KillExcelProcess();
throw new Exception(string.Format("计算单元格{0}出错！",arr[i]));
}
}
}
/// <summary>
/// 向单元格写入数据，对指定WorkSheet操作
/// </summary>
/// <param name="ht">Hashtable的键值对保存单元格的位置索引（行索引和列索引用“,”隔开）和数据</param>
public void SetCells(string sheetName,Hashtable ht)
{
int rowIndex;
int columnIndex;
string position;
Excel.Worksheet sheet = null;
int sheetIndex = 0;
if(ht.Count == 0) return;
try
{
for(int i=1;i<=this.WorkSheetCount;i++)
{
workSheet = (Excel.Worksheet)workBook.Sheets.get_Item(i);
if(workSheet.Name == sheetName)
{
sheet = workSheet;
sheetIndex = workSheet.Index;
}
}
if(sheet != null)
{
foreach(DictionaryEntry dic in ht)
{
try
{
position = dic.Key.ToString();
rowIndex = Convert.ToInt32(position.Split(',')[0]);
columnIndex = Convert.ToInt32(position.Split(',')[1]);
sheet.Cells[rowIndex,columnIndex] = dic.Value;
}
catch
{
this.KillExcelProcess();
throw new Exception("向单元格[" + dic.Key + "]写数据出错！");
}
}
}
else
{
this.KillExcelProcess();
throw new Exception("名称为\"" + sheetName + "\"的工作表不存在");
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
/// <summary>
/// 合并单元格，并赋值，对每个WorkSheet操作
/// </summary>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="beginColumnIndex">开始列索引</param>
/// <param name="endRowIndex">结束行索引</param>
/// <param name="endColumnIndex">结束列索引</param>
/// <param name="text">合并后Range的值</param>
public void MergeCells(int beginRowIndex,int beginColumnIndex,int endRowIndex,int endColumnIndex,string text)
{
for(int i=1;i<=this.WorkSheetCount;i++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
range = workSheet.get_Range(workSheet.Cells[beginRowIndex,beginColumnIndex],workSheet.Cells[endRowIndex,endColumnIndex]);
range.ClearContents(); //先把Range内容清除，合并才不会出错
range.MergeCells = true;
range.Value = text;
range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
}
}
/// <summary>
/// 合并单元格，并赋值，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">WorkSheet索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="beginColumnIndex">开始列索引</param>
/// <param name="endRowIndex">结束行索引</param>
/// <param name="endColumnIndex">结束列索引</param>
/// <param name="text">合并后Range的值</param>
public void MergeCells(int sheetIndex,int beginRowIndex,int beginColumnIndex,int endRowIndex,int endColumnIndex,string text)
{
if(sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);
range = workSheet.get_Range(workSheet.Cells[beginRowIndex,beginColumnIndex],workSheet.Cells[endRowIndex,endColumnIndex]);
range.ClearContents(); //先把Range内容清除，合并才不会出错
range.MergeCells = true;
range.Value = text;
range.HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
range.VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;
}
#endregion
#region Row Methods
/// <summary>
/// 将指定索引列的数据相同的行合并，对每个WorkSheet操作
/// </summary>
/// <param name="columnIndex">列索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="endRowIndex">结束行索引</param>
public void MergeRows(int columnIndex,int beginRowIndex,int endRowIndex)
{
if(endRowIndex - beginRowIndex < 1)
return;
for(int i=1;i<=this.WorkSheetCount;i++)
{
int beginIndex = beginRowIndex;
int count = 0;
string text1;
string text2;
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(i);
for(int j=beginRowIndex;j<=endRowIndex;j++)
{
range = (Excel.Range)workSheet.Cells[j,columnIndex];
text1 = range.Text.ToString();
range = (Excel.Range)workSheet.Cells[j+1,columnIndex];
text2 = range.Text.ToString();
if(text1 == text2)
{
++count;
}
else
{
if(count > 0)
{
this.MergeCells(workSheet,beginIndex,columnIndex,beginIndex+count,columnIndex,text1);
}
beginIndex = j + 1; //设置开始合并行索引
count = 0; //计数器清0
}
}
}
}
/// <summary>
/// 将指定索引列的数据相同的行合并，对指定WorkSheet操作
/// </summary>
/// <param name="sheetIndex">WorkSheet索引</param>
/// <param name="columnIndex">列索引</param>
/// <param name="beginRowIndex">开始行索引</param>
/// <param name="endRowIndex">结束行索引</param>
public void MergeRows(int sheetIndex,int columnIndex,int beginRowIndex,int endRowIndex)
{
if(sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}
if(endRowIndex - beginRowIndex < 1)
return;
int beginIndex = beginRowIndex;
int count = 0;
string text1;
string text2;
workSheet = (Excel.Worksheet)workBook.Worksheets.get_Item(sheetIndex);
for(int j=beginRowIndex;j<=endRowIndex;j++)
{
range = (Excel.Range)workSheet.Cells[j,columnIndex];
text1 = range.Text.ToString();
range = (Excel.Range)workSheet.Cells[j+1,columnIndex];
text2 = range.Text.ToString();
if(text1 == text2)
{
++count;
}
else
{
if(count > 0)
{
this.MergeCells(workSheet,beginIndex,columnIndex,beginIndex+count,columnIndex,text1);
}
beginIndex = j + 1; //设置开始合并行索引
count = 0; //计数器清0
}
}
}
/// <summary>
/// 插行（在指定行上面插入指定数量行）
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void InsertRows(int rowIndex,int count)
{
try
{
for(int n=1;n<=this.WorkSheetCount;n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets[n];
range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];
for(int i=0;i<count;i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
/// <summary>
/// 插行（在指定WorkSheet指定行上面插入指定数量行）
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void InsertRows(int sheetIndex,int rowIndex,int count)
{
if(sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}
try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];
for(int i=0;i<count;i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
/// <summary>
/// 复制行（在指定行下面复制指定数量行）
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void CopyRows(int rowIndex,int count)
{
try
{
for(int n=1;n<=this.WorkSheetCount;n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets[n];
range1 = (Excel.Range)workSheet.Rows[rowIndex,this.missing];
for(int i=1;i<=count;i++)
{
range2 = (Excel.Range)workSheet.Rows[rowIndex + i,this.missing];
range1.Copy(range2);
}
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
/// <summary>
/// 复制行（在指定WorkSheet指定行下面复制指定数量行）
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void CopyRows(int sheetIndex,int rowIndex,int count)
{
if(sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}
try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range1 = (Excel.Range)workSheet.Rows[rowIndex,this.missing];
for(int i=1;i<=count;i++)
{
range2 = (Excel.Range)workSheet.Rows[rowIndex + i,this.missing];
range1.Copy(range2);
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
/// <summary>
/// 删除行
/// </summary>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void DeleteRows(int rowIndex,int count)
{
try
{
for(int n=1;n<=this.WorkSheetCount;n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets[n];
range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];
for(int i=0;i<count;i++)
{
range.Delete(Excel.XlDirection.xlDown);
}
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
/// <summary>
/// 删除行
/// </summary>
/// <param name="sheetIndex"></param>
/// <param name="rowIndex"></param>
/// <param name="count"></param>
public void DeleteRows(int sheetIndex,int rowIndex,int count)
{
if(sheetIndex > this.WorkSheetCount)
{
this.KillExcelProcess();
throw new Exception("索引超出范围，WorkSheet索引不能大于WorkSheet数量！");
}
try
{
workSheet = (Excel.Worksheet)workBook.Worksheets[sheetIndex];
range = (Excel.Range)workSheet.Rows[rowIndex,this.missing];
for(int i=0;i<count;i++)
{
range.Delete(Excel.XlDirection.xlDown);
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}
#endregion
#region Column Methods
/// <summary>
/// 插列（在指定列右边插入指定数量列）
/// </summary>
/// <param name="columnIndex"></param>
/// <param name="count"></param>
public void InsertColumns(int columnIndex,int count)
{
try
{
for(int n=1;n<=this.WorkSheetCount;n++)
{
workSheet = (Excel.Worksheet)workBook.Worksheets[n];
range = (Excel.Range)workSheet.Columns[this.missing,columnIndex];
for(int i=0;i<count;i++)
{
range.Insert(Excel.XlDirection.xlDown);
}
}
}
catch(Exception e)
{
this.KillExcelProcess();
throw e;
}
}