在c#中将dataset输出成xml内容的xls文件,解决其它输出不能在excel中显示“001”的前导0的问题
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记得以前直接把gridview导出称excel,虽然很简单,但是却不能控制具体细节,尤其是字符串的“00001”到了excel中必定变为整数1,一直没找到解决办法,直到在codeproject上找到这个函数,它直接把数据写称excel可以读取的xml文档,仅仅把扩展名改为xls,但是效果却很好。
public static void DataSetExportToExcel(DataSet source, string fileName)
...{
System.IO.StreamWriter excelDoc;
excelDoc = new System.IO.StreamWriter(fileName);
const string startExcelXML = "<xml version> <Workbook " +
"xmlns="urn:schemas-microsoft-com:office:spreadsheet" " +
" xmlns:o="urn:schemas-microsoft-com:office:office" " +
"xmlns:x="urn:schemas- microsoft-com:office:" +
"excel" xmlns:ss="urn:schemas-microsoft-com:" +
"office:spreadsheet"> <Styles> " +
"<Style ss:ID="Default" ss:Name="Normal"> " +
"<Alignment ss:Vertical="Bottom"/> <Borders/>" +
" <Font/> <Interior/> <NumberFormat/>" +
" <Protection/> </Style> " +
"<Style ss:ID="BoldColumn"> <Font " +
"x:Family="Swiss" ss:Bold="1"/> </Style> " +
"<Style ss:ID="StringLiteral"> <NumberFormat" +
" ss:Format="@"/> </Style> <Style " +
"ss:ID="Decimal"> <NumberFormat " +
"ss:Format="0.0000"/> </Style> " +
"<Style ss:ID="Integer"> <NumberFormat " +
"ss:Format="0"/> </Style> <Style " +
"ss:ID="DateLiteral"> <NumberFormat " +
"ss:Format="mm/dd/yyyy;@"/> </Style> " +
"</Styles> ";
const string endExcelXML = "</Workbook>";
int rowCount = 0;
int sheetCount = 1;
/**//*
<xml version>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet">
<Styles>
<Style ss:ID="Default" ss:Name="Normal">
<Alignment ss:Vertical="Bottom"/>
<Borders/>
<Font/>
<Interior/>
<NumberFormat/>
<Protection/>
</Style>
<Style ss:ID="BoldColumn">
<Font x:Family="Swiss" ss:Bold="1"/>
</Style>
<Style ss:ID="StringLiteral">
<NumberFormat ss:Format="@"/>
</Style>
<Style ss:ID="Decimal">
<NumberFormat ss:Format="0.0000"/>
</Style>
<Style ss:ID="Integer">
<NumberFormat ss:Format="0"/>
</Style>
<Style ss:ID="DateLiteral">
<NumberFormat ss:Format="mm/dd/yyyy;@"/>
</Style>
</Styles>
<Worksheet ss:Name="Sheet1">
</Worksheet>
</Workbook>
*/
excelDoc.Write(startExcelXML);
excelDoc.Write("<Worksheet ss:Name="Sheet" + sheetCount + "">");
excelDoc.Write("<Table>");
excelDoc.Write("<Row>");
for (int x = 0; x < source.Tables[0].Columns.Count; x++)
...{
excelDoc.Write("<Cell ss:StyleID="BoldColumn"><Data ss:Type="String">");
excelDoc.Write(source.Tables[0].Columns[x].ColumnName);
excelDoc.Write("</Data></Cell>");
}
excelDoc.Write("</Row>");
foreach (DataRow x in source.Tables[0].Rows)
...{
rowCount++;
//if the number of rows is > 64000 create a new page to continue output
if (rowCount == 64000)
...{
rowCount = 0;
sheetCount++;
excelDoc.Write("</Table>");
excelDoc.Write(" </Worksheet>");
excelDoc.Write("<Worksheet ss:Name="Sheet" + sheetCount + "">");
excelDoc.Write("<Table>");
}
excelDoc.Write("<Row>"); //ID=" + rowCount + "
for (int y = 0; y < source.Tables[0].Columns.Count; y++)
...{
System.Type rowType;
rowType = x[y].GetType();
switch (rowType.ToString())
...{
case "System.String":
string XMLstring = x[y].ToString();
XMLstring = XMLstring.Trim();
XMLstring = XMLstring.Replace("&", "&");
XMLstring = XMLstring.Replace(">", ">");
XMLstring = XMLstring.Replace("<", "<");
excelDoc.Write("<Cell ss:StyleID="StringLiteral">" +
"<Data ss:Type="String">");
excelDoc.Write(XMLstring);
excelDoc.Write("</Data></Cell>");
break;
case "System.DateTime":
//Excel has a specific Date Format of YYYY-MM-DD followed by
//the letter 'T' then hh:mm:sss.lll Example 2005-01-31T24:01:21.000
//The Following Code puts the date stored in XMLDate
//to the format above
DateTime XMLDate = (DateTime)x[y];
string XMLDatetoString = ""; //Excel Converted Date
XMLDatetoString = XMLDate.Year.ToString() +
"-" +
(XMLDate.Month < 10 ? "0" +
XMLDate.Month.ToString() : XMLDate.Month.ToString()) +
"-" +
(XMLDate.Day < 10 ? "0" +
XMLDate.Day.ToString() : XMLDate.Day.ToString()) +
"T" +
(XMLDate.Hour < 10 ? "0" +
XMLDate.Hour.ToString() : XMLDate.Hour.ToString()) +
":" +
(XMLDate.Minute < 10 ? "0" +
XMLDate.Minute.ToString() : XMLDate.Minute.ToString()) +
":" +
(XMLDate.Second < 10 ? "0" +
XMLDate.Second.ToString() : XMLDate.Second.ToString()) +
".000";
excelDoc.Write("<Cell ss:StyleID="DateLiteral">" +
"<Data ss:Type="DateTime">");
excelDoc.Write(XMLDatetoString);
excelDoc.Write("</Data></Cell>");
break;
case "System.Boolean":
excelDoc.Write("<Cell ss:StyleID="StringLiteral">" +
"<Data ss:Type="String">");
excelDoc.Write(x[y].ToString());
excelDoc.Write("</Data></Cell>");
break;
case "System.Int16":
case "System.Int32":
case "System.Int64":
case "System.Byte":
excelDoc.Write("<Cell ss:StyleID="Integer">" +
"<Data ss:Type="Number">");
excelDoc.Write(x[y].ToString());
excelDoc.Write("</Data></Cell>");
break;
case "System.Decimal":
case "System.Double":
excelDoc.Write("<Cell ss:StyleID="Decimal">" +
"<Data ss:Type="Number">");
excelDoc.Write(x[y].ToString());
excelDoc.Write("</Data></Cell>");
break;
case "System.DBNull":
excelDoc.Write("<Cell ss:StyleID="StringLiteral">" +
"<Data ss:Type="String">");
excelDoc.Write("");
excelDoc.Write("</Data></Cell>");
break;
default:
throw (new Exception(rowType.ToString() + " not handled."));
}
}
excelDoc.Write("</Row>");
}
excelDoc.Write("</Table>");
excelDoc.Write(" </Worksheet>");
excelDoc.Write(endExcelXML);
excelDoc.Close();
}
...{
System.IO.StreamWriter excelDoc;
excelDoc = new System.IO.StreamWriter(fileName);
const string startExcelXML = "<xml version> <Workbook " +
"xmlns="urn:schemas-microsoft-com:office:spreadsheet" " +
" xmlns:o="urn:schemas-microsoft-com:office:office" " +
"xmlns:x="urn:schemas- microsoft-com:office:" +
"excel" xmlns:ss="urn:schemas-microsoft-com:" +
"office:spreadsheet"> <Styles> " +
"<Style ss:ID="Default" ss:Name="Normal"> " +
"<Alignment ss:Vertical="Bottom"/> <Borders/>" +
" <Font/> <Interior/> <NumberFormat/>" +
" <Protection/> </Style> " +
"<Style ss:ID="BoldColumn"> <Font " +
"x:Family="Swiss" ss:Bold="1"/> </Style> " +
"<Style ss:ID="StringLiteral"> <NumberFormat" +
" ss:Format="@"/> </Style> <Style " +
"ss:ID="Decimal"> <NumberFormat " +
"ss:Format="0.0000"/> </Style> " +
"<Style ss:ID="Integer"> <NumberFormat " +
"ss:Format="0"/> </Style> <Style " +
"ss:ID="DateLiteral"> <NumberFormat " +
"ss:Format="mm/dd/yyyy;@"/> </Style> " +
"</Styles> ";
const string endExcelXML = "</Workbook>";
int rowCount = 0;
int sheetCount = 1;
/**//*
<xml version>
<Workbook xmlns="urn:schemas-microsoft-com:office:spreadsheet"
xmlns:o="urn:schemas-microsoft-com:office:office"
xmlns:x="urn:schemas-microsoft-com:office:excel"
xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet">
<Styles>
<Style ss:ID="Default" ss:Name="Normal">
<Alignment ss:Vertical="Bottom"/>
<Borders/>
<Font/>
<Interior/>
<NumberFormat/>
<Protection/>
</Style>
<Style ss:ID="BoldColumn">
<Font x:Family="Swiss" ss:Bold="1"/>
</Style>
<Style ss:ID="StringLiteral">
<NumberFormat ss:Format="@"/>
</Style>
<Style ss:ID="Decimal">
<NumberFormat ss:Format="0.0000"/>
</Style>
<Style ss:ID="Integer">
<NumberFormat ss:Format="0"/>
</Style>
<Style ss:ID="DateLiteral">
<NumberFormat ss:Format="mm/dd/yyyy;@"/>
</Style>
</Styles>
<Worksheet ss:Name="Sheet1">
</Worksheet>
</Workbook>
*/
excelDoc.Write(startExcelXML);
excelDoc.Write("<Worksheet ss:Name="Sheet" + sheetCount + "">");
excelDoc.Write("<Table>");
excelDoc.Write("<Row>");
for (int x = 0; x < source.Tables[0].Columns.Count; x++)
...{
excelDoc.Write("<Cell ss:StyleID="BoldColumn"><Data ss:Type="String">");
excelDoc.Write(source.Tables[0].Columns[x].ColumnName);
excelDoc.Write("</Data></Cell>");
}
excelDoc.Write("</Row>");
foreach (DataRow x in source.Tables[0].Rows)
...{
rowCount++;
//if the number of rows is > 64000 create a new page to continue output
if (rowCount == 64000)
...{
rowCount = 0;
sheetCount++;
excelDoc.Write("</Table>");
excelDoc.Write(" </Worksheet>");
excelDoc.Write("<Worksheet ss:Name="Sheet" + sheetCount + "">");
excelDoc.Write("<Table>");
}
excelDoc.Write("<Row>"); //ID=" + rowCount + "
for (int y = 0; y < source.Tables[0].Columns.Count; y++)
...{
System.Type rowType;
rowType = x[y].GetType();
switch (rowType.ToString())
...{
case "System.String":
string XMLstring = x[y].ToString();
XMLstring = XMLstring.Trim();
XMLstring = XMLstring.Replace("&", "&");
XMLstring = XMLstring.Replace(">", ">");
XMLstring = XMLstring.Replace("<", "<");
excelDoc.Write("<Cell ss:StyleID="StringLiteral">" +
"<Data ss:Type="String">");
excelDoc.Write(XMLstring);
excelDoc.Write("</Data></Cell>");
break;
case "System.DateTime":
//Excel has a specific Date Format of YYYY-MM-DD followed by
//the letter 'T' then hh:mm:sss.lll Example 2005-01-31T24:01:21.000
//The Following Code puts the date stored in XMLDate
//to the format above
DateTime XMLDate = (DateTime)x[y];
string XMLDatetoString = ""; //Excel Converted Date
XMLDatetoString = XMLDate.Year.ToString() +
"-" +
(XMLDate.Month < 10 ? "0" +
XMLDate.Month.ToString() : XMLDate.Month.ToString()) +
"-" +
(XMLDate.Day < 10 ? "0" +
XMLDate.Day.ToString() : XMLDate.Day.ToString()) +
"T" +
(XMLDate.Hour < 10 ? "0" +
XMLDate.Hour.ToString() : XMLDate.Hour.ToString()) +
":" +
(XMLDate.Minute < 10 ? "0" +
XMLDate.Minute.ToString() : XMLDate.Minute.ToString()) +
":" +
(XMLDate.Second < 10 ? "0" +
XMLDate.Second.ToString() : XMLDate.Second.ToString()) +
".000";
excelDoc.Write("<Cell ss:StyleID="DateLiteral">" +
"<Data ss:Type="DateTime">");
excelDoc.Write(XMLDatetoString);
excelDoc.Write("</Data></Cell>");
break;
case "System.Boolean":
excelDoc.Write("<Cell ss:StyleID="StringLiteral">" +
"<Data ss:Type="String">");
excelDoc.Write(x[y].ToString());
excelDoc.Write("</Data></Cell>");
break;
case "System.Int16":
case "System.Int32":
case "System.Int64":
case "System.Byte":
excelDoc.Write("<Cell ss:StyleID="Integer">" +
"<Data ss:Type="Number">");
excelDoc.Write(x[y].ToString());
excelDoc.Write("</Data></Cell>");
break;
case "System.Decimal":
case "System.Double":
excelDoc.Write("<Cell ss:StyleID="Decimal">" +
"<Data ss:Type="Number">");
excelDoc.Write(x[y].ToString());
excelDoc.Write("</Data></Cell>");
break;
case "System.DBNull":
excelDoc.Write("<Cell ss:StyleID="StringLiteral">" +
"<Data ss:Type="String">");
excelDoc.Write("");
excelDoc.Write("</Data></Cell>");
break;
default:
throw (new Exception(rowType.ToString() + " not handled."));
}
}
excelDoc.Write("</Row>");
}
excelDoc.Write("</Table>");
excelDoc.Write(" </Worksheet>");
excelDoc.Write(endExcelXML);
excelDoc.Close();
}
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