| 订阅 | 在线投稿
分享
 
 
 

asp.net里导出excel表方法汇总

2008-10-25 09:18:29  编辑来源:互联网  宽屏版  评论

1、由dataset生成

public void CreateExcel(DataSet ds,string typeid,string FileName)

{

HttpResponse resp;

resp = Page.Response;

resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

resp.AppendHeader("Content-Disposition", "attachment;filename=" + FileName);

string colHeaders= "", ls_item="";

int i=0;

//定义表对象与行对像,同时用DataSet对其值进行初始化

DataTable dt=ds.Tables[0];

DataRow[] myRow=dt.Select("");

// typeid=="1"时导出为EXCEL格式文件;typeid=="2"时导出为XML格式文件

if(typeid=="1")

{

//取得数据表各列标题,各标题之间以"t分割,最后一个列标题后加回车符

for(i=0;i colHeaders+=dt.Columns[i].Caption.ToString()+""t";

colHeaders +=dt.Columns[i].Caption.ToString() +""n";

//向HTTP输出流中写入取得的数据信息

resp.Write(colHeaders);

//逐行处理数据

foreach(DataRow row in myRow)

{

//在当前行中,逐列获得数据,数据之间以"t分割,结束时加回车符"n

for(i=0;i ls_item +=row[i].ToString() + ""t";

ls_item += row[i].ToString() +""n";

//当前行数据写入HTTP输出流,并且置空ls_item以便下行数据

resp.Write(ls_item);

ls_item="";

}

}

else

{

if(typeid=="2")

{

//从DataSet中直接导出XML数据并且写到HTTP输出流中

resp.Write(ds.GetXml());

}

}

//写缓冲区中的数据到HTTP头文件中

resp.End();

}

2、由datagrid生成

public void ToExcel(System.Web.UI.Control ctl)

{

HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename=Excel.xls");

HttpContext.Current.Response.Charset ="UTF-8";

HttpContext.Current.Response.ContentEncoding =System.Text.Encoding.Default;

HttpContext.Current.Response.ContentType ="application/ms-excel";//image/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword

ctl.Page.EnableViewState =false;

System.IO.StringWriter tw = new System.IO.StringWriter() ;

System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter (tw);

ctl.RenderControl(hw);

HttpContext.Current.Response.Write(tw.ToString());

HttpContext.Current.Response.End();

}

用法:ToExcel(datagrid1);

3、这个用dataview

public void OutputExcel(DataView dv,string str)

{

//

// TODO: 在此处添加构造函数逻辑

//

//dv为要输出到Excel的数据,str为标题名称

GC.Collect();

Application excel;// = new Application();

int rowIndex=4;

int colIndex=1;

_Workbook xBk;

_Worksheet xSt;

excel= new ApplicationClass();

xBk = excel.Workbooks.Add(true);

xSt = (_Worksheet)xBk.ActiveSheet;

//

//取得标题

//

foreach(DataColumn col in dv.Table.Columns)

{

colIndex++;

excel.Cells[4,colIndex] = col.ColumnName;

xSt.get_Range(excel.Cells[4,colIndex],excel.Cells[4,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置标题格式为居中对齐

}

//

//取得表格中的数据

//

foreach(DataRowView row in dv)

{

rowIndex ++;

colIndex = 1;

foreach(DataColumn col in dv.Table.Columns)

{

colIndex ++;

if(col.DataType == System.Type.GetType("System.DateTime"))

{

excel.Cells[rowIndex,colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd");

xSt.get_Range(excel.Cells[rowIndex,colIndex],excel.Cells[rowIndex,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置日期型的字段格式为居中对齐

}

else

if(col.DataType == System.Type.GetType("System.String"))

{

excel.Cells[rowIndex,colIndex] = "'"+row[col.ColumnName].ToString();

xSt.get_Range(excel.Cells[rowIndex,colIndex],excel.Cells[rowIndex,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置字符型的字段格式为居中对齐

}

else

{

excel.Cells[rowIndex,colIndex] = row[col.ColumnName].ToString();

}

}

}

//

//加载一个合计行

//

int rowSum = rowIndex + 1;

int colSum = 2;

excel.Cells[rowSum,2] = "合计";

xSt.get_Range(excel.Cells[rowSum,2],excel.Cells[rowSum,2]).HorizontalAlignment = XlHAlign.xlHAlignCenter;

//

//设置选中的部分的颜色

//

xSt.get_Range(excel.Cells[rowSum,colSum],excel.Cells[rowSum,colIndex]).Select();

xSt.get_Range(excel.Cells[rowSum,colSum],excel.Cells[rowSum,colIndex]).Interior.ColorIndex = 19;//设置为浅黄色,共计有56种

//

//取得整个报表的标题

//

excel.Cells[2,2] = str;

//

//设置整个报表的标题格式

//

xSt.get_Range(excel.Cells[2,2],excel.Cells[2,2]).Font.Bold = true;

xSt.get_Range(excel.Cells[2,2],excel.Cells[2,2]).Font.Size = 22;

//

//设置报表表格为最适应宽度

//

xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,colIndex]).Select();

xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,colIndex]).Columns.AutoFit();

//

//设置整个报表的标题为跨列居中

//

xSt.get_Range(excel.Cells[2,2],excel.Cells[2,colIndex]).Select();

xSt.get_Range(excel.Cells[2,2],excel.Cells[2,colIndex]).HorizontalAlignment = XlHAlign.xlHAlignCenterAcrossSelection;

//

//绘制边框

//

xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,colIndex]).Borders.LineStyle = 1;

xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,2]).Borders[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlThick;//设置左边线加粗

xSt.get_Range(excel.Cells[4,2],excel.Cells[4,colIndex]).Borders[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlThick;//设置上边线加粗

xSt.get_Range(excel.Cells[4,colIndex],excel.Cells[rowSum,colIndex]).Borders[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlThick;//设置右边线加粗

xSt.get_Range(excel.Cells[rowSum,2],excel.Cells[rowSum,colIndex]).Borders[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlThick;//设置下边线加粗

//

//显示效果

//

excel.Visible=true;

//xSt.Export(Server.MapPath(".")+""""+this.xlfile.Text+".xls",SheetExportActionEnum.ssExportActionNone,Microsoft.Office.Interop.OWC.SheetExportFormat.ssExportHTML);

xBk.SaveCopyAs(Server.MapPath(".")+""""+this.xlfile.Text+".xls");

ds = null;

xBk.Close(false, null,null);

excel.Quit();

System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk);

System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);

System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt);

xBk = null;

excel = null;

xSt = null;

GC.Collect();

string path = Server.MapPath(this.xlfile.Text+".xls");

System.IO.FileInfo file = new System.IO.FileInfo(path);

Response.Clear();

Response.Charset="GB2312";

Response.ContentEncoding=System.Text.Encoding.UTF8;

// 添加头信息,为"文件下载/另存为"对话框指定默认文件名

Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(file.Name));

// 添加头信息,指定文件大小,让浏览器能够显示下载进度

Response.AddHeader("Content-Length", file.Length.ToString());

// 指定返回的是一个不能被客户端读取的流,必须被下载

Response.ContentType = "application/ms-excel";

// 把文件流发送到客户端

Response.WriteFile(file.FullName);

// 停止页面的执行

Response.End();

}

1、由dataset生成 public void CreateExcel(DataSet ds,string typeid,string FileName) { HttpResponse resp; resp = Page.Response; resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312"); resp.AppendHeader("Content-Disposition", "attachment;filename=" + FileName); string colHeaders= "", ls_item=""; int i=0; //定义表对象与行对像,同时用DataSet对其值进行初始化 DataTable dt=ds.Tables[0]; DataRow[] myRow=dt.Select(""); // typeid=="1"时导出为EXCEL格式文件;typeid=="2"时导出为XML格式文件 if(typeid=="1") { //取得数据表各列标题,各标题之间以"t分割,最后一个列标题后加回车符 for(i=0;i colHeaders+=dt.Columns[i].Caption.ToString()+""t"; colHeaders +=dt.Columns[i].Caption.ToString() +""n"; //向HTTP输出流中写入取得的数据信息 resp.Write(colHeaders); //逐行处理数据 foreach(DataRow row in myRow) { //在当前行中,逐列获得数据,数据之间以"t分割,结束时加回车符"n for(i=0;i ls_item +=row[i].ToString() + ""t"; ls_item += row[i].ToString() +""n"; //当前行数据写入HTTP输出流,并且置空ls_item以便下行数据 resp.Write(ls_item); ls_item=""; } } else { if(typeid=="2") { //从DataSet中直接导出XML数据并且写到HTTP输出流中 resp.Write(ds.GetXml()); } } //写缓冲区中的数据到HTTP头文件中 resp.End(); } 2、由datagrid生成 public void ToExcel(System.Web.UI.Control ctl) { HttpContext.Current.Response.AppendHeader("Content-Disposition","attachment;filename=Excel.xls"); HttpContext.Current.Response.Charset ="UTF-8"; HttpContext.Current.Response.ContentEncoding =System.Text.Encoding.Default; HttpContext.Current.Response.ContentType ="application/ms-excel";//image/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword ctl.Page.EnableViewState =false; System.IO.StringWriter tw = new System.IO.StringWriter() ; System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter (tw); ctl.RenderControl(hw); HttpContext.Current.Response.Write(tw.ToString()); HttpContext.Current.Response.End(); } 用法:ToExcel(datagrid1); 3、这个用dataview public void OutputExcel(DataView dv,string str) { // // TODO: 在此处添加构造函数逻辑 // //dv为要输出到Excel的数据,str为标题名称 GC.Collect(); Application excel;// = new Application(); int rowIndex=4; int colIndex=1; _Workbook xBk; _Worksheet xSt; excel= new ApplicationClass(); xBk = excel.Workbooks.Add(true); xSt = (_Worksheet)xBk.ActiveSheet; // //取得标题 // foreach(DataColumn col in dv.Table.Columns) { colIndex++; excel.Cells[4,colIndex] = col.ColumnName; xSt.get_Range(excel.Cells[4,colIndex],excel.Cells[4,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置标题格式为居中对齐 } // //取得表格中的数据 // foreach(DataRowView row in dv) { rowIndex ++; colIndex = 1; foreach(DataColumn col in dv.Table.Columns) { colIndex ++; if(col.DataType == System.Type.GetType("System.DateTime")) { excel.Cells[rowIndex,colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd"); xSt.get_Range(excel.Cells[rowIndex,colIndex],excel.Cells[rowIndex,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置日期型的字段格式为居中对齐 } else if(col.DataType == System.Type.GetType("System.String")) { excel.Cells[rowIndex,colIndex] = "'"+row[col.ColumnName].ToString(); xSt.get_Range(excel.Cells[rowIndex,colIndex],excel.Cells[rowIndex,colIndex]).HorizontalAlignment = XlVAlign.xlVAlignCenter;//设置字符型的字段格式为居中对齐 } else { excel.Cells[rowIndex,colIndex] = row[col.ColumnName].ToString(); } } } // //加载一个合计行 // int rowSum = rowIndex + 1; int colSum = 2; excel.Cells[rowSum,2] = "合计"; xSt.get_Range(excel.Cells[rowSum,2],excel.Cells[rowSum,2]).HorizontalAlignment = XlHAlign.xlHAlignCenter; // //设置选中的部分的颜色 // xSt.get_Range(excel.Cells[rowSum,colSum],excel.Cells[rowSum,colIndex]).Select(); xSt.get_Range(excel.Cells[rowSum,colSum],excel.Cells[rowSum,colIndex]).Interior.ColorIndex = 19;//设置为浅黄色,共计有56种 // //取得整个报表的标题 // excel.Cells[2,2] = str; // //设置整个报表的标题格式 // xSt.get_Range(excel.Cells[2,2],excel.Cells[2,2]).Font.Bold = true; xSt.get_Range(excel.Cells[2,2],excel.Cells[2,2]).Font.Size = 22; // //设置报表表格为最适应宽度 // xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,colIndex]).Select(); xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,colIndex]).Columns.AutoFit(); // //设置整个报表的标题为跨列居中 // xSt.get_Range(excel.Cells[2,2],excel.Cells[2,colIndex]).Select(); xSt.get_Range(excel.Cells[2,2],excel.Cells[2,colIndex]).HorizontalAlignment = XlHAlign.xlHAlignCenterAcrossSelection; // //绘制边框 // xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,colIndex]).Borders.LineStyle = 1; xSt.get_Range(excel.Cells[4,2],excel.Cells[rowSum,2]).Borders[XlBordersIndex.xlEdgeLeft].Weight = XlBorderWeight.xlThick;//设置左边线加粗 xSt.get_Range(excel.Cells[4,2],excel.Cells[4,colIndex]).Borders[XlBordersIndex.xlEdgeTop].Weight = XlBorderWeight.xlThick;//设置上边线加粗 xSt.get_Range(excel.Cells[4,colIndex],excel.Cells[rowSum,colIndex]).Borders[XlBordersIndex.xlEdgeRight].Weight = XlBorderWeight.xlThick;//设置右边线加粗 xSt.get_Range(excel.Cells[rowSum,2],excel.Cells[rowSum,colIndex]).Borders[XlBordersIndex.xlEdgeBottom].Weight = XlBorderWeight.xlThick;//设置下边线加粗 // //显示效果 // excel.Visible=true; //xSt.Export(Server.MapPath(".")+""""+this.xlfile.Text+".xls",SheetExportActionEnum.ssExportActionNone,Microsoft.Office.Interop.OWC.SheetExportFormat.ssExportHTML); xBk.SaveCopyAs(Server.MapPath(".")+""""+this.xlfile.Text+".xls"); ds = null; xBk.Close(false, null,null); excel.Quit(); System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk); System.Runtime.InteropServices.Marshal.ReleaseComObject(excel); System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt); xBk = null; excel = null; xSt = null; GC.Collect(); string path = Server.MapPath(this.xlfile.Text+".xls"); System.IO.FileInfo file = new System.IO.FileInfo(path); Response.Clear(); Response.Charset="GB2312"; Response.ContentEncoding=System.Text.Encoding.UTF8; // 添加头信息,为"文件下载/另存为"对话框指定默认文件名 Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(file.Name)); // 添加头信息,指定文件大小,让浏览器能够显示下载进度 Response.AddHeader("Content-Length", file.Length.ToString()); // 指定返回的是一个不能被客户端读取的流,必须被下载 Response.ContentType = "application/ms-excel"; // 把文件流发送到客户端 Response.WriteFile(file.FullName); // 停止页面的执行 Response.End(); }
󰈣󰈤
 
 
 
>>返回首页<<
 
 
 转载本文
 UBB代码 HTML代码
复制到剪贴板...
 
 热帖排行
 
 
王朝网络微信公众号
微信扫码关注本站公众号wangchaonetcn
 
 
静静地坐在废墟上,四周的荒凉一望无际,忽然觉得,凄凉也很美
©2005- 王朝网络 版权所有