用javscript导出html中的数据到excel表格中

<script language="JavaScript" type="text/javascript">
 /* * 默认转换实现函数，如果需要其他功能，需自行扩展
 * 参数：
 * tableID : HTML中Table对象id属性值
 * 详细用法参见以下 TableToExcel 对象定义 
 */
 function saveAsExcel(tableID){
  var tb = new TableToExcel(tableID);
  tb.setFontStyle("Courier New");
  tb.setFontSize(10);
  tb.setTableBorder(2);
  tb.setColumnWidth(7);
  tb.isLineWrap(true);
  tb.getExcelFile();
 } 
 /** 功能：HTML中Table对象转换为Excel通用对象.
  * 参数：tableID HTML中Table对象的ID属性值
  * 说明：
  * 能适应复杂的HTML中Table对象的自动转换，能够自动根据行列扩展信息
  * 合并Excel中的单元格，客户端需要安装有Excel
  * 详细的属性、方法引用说明参见：Excel的Microsoft Excel Visual Basic参考
  * 示范：
  * var tb = new TableToExcel('demoTable');
  * tb.setFontStyle("Courier New");
  * tb.setFontSize(10); //推荐取值10
  * tb.setFontColor(6); //一般情况不用设置
  * tb.setBackGround(4); //一般情况不用设置
  * tb.setTableBorder(2); //推荐取值2
  * tb.setColumnWidth(10); //推荐取值10
  * tb.isLineWrap(false);
  * tb.isAutoFit(true);
  * * tb.getExcelFile();
  * 如果设置了单元格自适应，则设置单元格宽度无效
  * 版本：1.0*/
  function TableToExcel(tableID) {
   this.tableBorder = -1; //边框类型，-1没有边框 可取1/2/3/4
   this.backGround = 0; //背景颜色：白色 可取调色板中的颜色编号 1/2/3/4....
   this.fontColor = 1; //字体颜色：黑色
   this.fontSize = 10; //字体大小
   this.fontStyle = "宋体"; //字体类型
   this.rowHeight = 20; //行高
   this.columnWidth = -1; //列宽
   this.lineWrap = true; //是否自动换行
   this.textAlign = -4108; //内容对齐方式 默认为居中
   this.autoFit = true; //是否自适应宽度
   this.tableID = tableID; 
  }
   TableToExcel.prototype.setTableBorder = function (excelBorder) {
    this.tableBorder = excelBorder ;
   }; 
   TableToExcel.prototype.setBackGround = function (excelColor) {
    this.backGround = excelColor;
   }; 
   TableToExcel.prototype.setFontColor = function (excelColor) {
    this.fontColor = excelColor;
   }; 
   TableToExcel.prototype.setFontSize = function (excelFontSize) {
    this.fontSize = excelFontSize;
   }; 
   TableToExcel.prototype.setFontStyle = function (excelFont) {
    this.fontStyle = excelFont;
   }; 
   TableToExcel.prototype.setRowHeight = function (excelRowHeight) {
    this.rowHeight = excelRowHeight;
   }; 
   TableToExcel.prototype.setColumnWidth = function (excelColumnWidth) {
    this.columnWidth = excelColumnWidth;
   }; 
   TableToExcel.prototype.isLineWrap = function (lineWrap) {
    if (lineWrap == false || lineWrap == true) {
     this.lineWrap = lineWrap;
    }
   }; 
   TableToExcel.prototype.setTextAlign = function (textAlign) {
    this.textAlign = textAlign;
   }; 
   TableToExcel.prototype.isAutoFit = function(autoFit){
    if(autoFit == true || autoFit == false)this.autoFit = autoFit ;
   }
   //文件转换主函数
   TableToExcel.prototype.getExcelFile = function () {
   var jXls, myWorkbook, myWorksheet, myHTMLTableCell, myExcelCell, myExcelCell2;
   var myCellColSpan, myCellRowSpan; 
   try {
    jXls = new ActiveXObject('Excel.Application');
   }catch (e) {
    alert("无法启动Excel!\n\n如果您确信您的电脑中已经安装了Excel，"+"那么请调整IE的安全级别。\n\n具体操作：\n\n"+"工具 → Internet选项 → 安全 → 自定义级别 → 对没有标记为安全的ActiveX进行初始化和脚本运行 → 启用");
    return false;
   } 
   jXls.Visible = true;
   myWorkbook = jXls.Workbooks.Add();
   jXls.DisplayAlerts = false;
   myWorkbook.Worksheets(3).Delete();
   myWorkbook.Worksheets(2).Delete();
   jXls.DisplayAlerts = true;
   myWorksheet = myWorkbook.ActiveSheet; 
   var readRow = 0, readCol = 0;var totalRow = 0, totalCol = 0;
   var tabNum = 0; 
   //设置行高、列宽
   if(this.columnWidth != -1)
    myWorksheet.Columns.ColumnWidth = this.columnWidth;
   else
    myWorksheet.Columns.ColumnWidth = 7;
   if(this.rowHeight != -1)
    myWorksheet.Rows.RowHeight = this.rowHeight ; 
   //搜索需要转换的Table对象，获取对应行、列数
   var obj = document.all.tags("table");
   for (x = 0; x < obj.length; x++) {
    if (obj[x].id == this.tableID) {
     tabNum = x;
     totalRow = obj[x].rows.length;
     for (i = 0; i < obj[x].rows[0].cells.length; i++) {
      myHTMLTableCell = obj[x].rows(0).cells(i);
      myCellColSpan = myHTMLTableCell.colSpan;
      totalCol = totalCol + myCellColSpan;
     }
    }
   } 
   //开始构件模拟表格
   var excelTable = new Array();
   for (i = 0; i <= totalRow; i++) {
    excelTable[i] = new Array();
    for (t = 0; t <= totalCol; t++) {
     excelTable[i][t] = false;
    }
   } 
   //开始转换表格 
   for (z = 0; z < obj[tabNum].rows.length; z++) {
    readRow = z + 1;
    readCol = 0;
    for (c = 0; c < obj[tabNum].rows(z).cells.length; c++) {
     myHTMLTableCell = obj[tabNum].rows(z).cells(c);
     myCellColSpan = myHTMLTableCell.colSpan;
     myCellRowSpan = myHTMLTableCell.rowSpan;
     for (y = 1; y <= totalCol; y++) {
      if (excelTable[readRow][y] == false) {
       readCol = y;
       break;
      }
     }
     if (myCellColSpan * myCellRowSpan > 1) {
      myExcelCell = myWorksheet.Cells(readRow, readCol);
      myExcelCell2 = myWorksheet.Cells(readRow + myCellRowSpan - 1, readCol + myCellColSpan - 1);
      myWorksheet.Range(myExcelCell, myExcelCell2).Merge();
      myExcelCell.HorizontalAlignment = this.textAlign;
      myExcelCell.Font.Size = this.fontSize;
      myExcelCell.Font.Name = this.fontStyle;
      myExcelCell.wrapText = this.lineWrap;
      myExcelCell.Interior.ColorIndex = this.backGround;
      myExcelCell.Font.ColorIndex = this.fontColor;
      if(this.tableBorder != -1){
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(1).Weight = this.tableBorder ;
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(2).Weight = this.tableBorder ;
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(3).Weight = this.tableBorder ;
       myWorksheet.Range(myExcelCell, myExcelCell2).Borders(4).Weight = this.tableBorder ;
      } 
      myExcelCell.Value = myHTMLTableCell.innerText;
      for (row = readRow; row <= myCellRowSpan + readRow - 1; row++) {
       for (col = readCol; col <= myCellColSpan + readCol - 1; col++) {
        excelTable[row][col] = true;
       }
      } 
      readCol = readCol + myCellColSpan;
     } else {
      myExcelCell = myWorksheet.Cells(readRow, readCol);
      myExcelCell.Value = myHTMLTableCell.innerText;
      myExcelCell.HorizontalAlignment = this.textAlign;
      myExcelCell.Font.Size = this.fontSize;
      myExcelCell.Font.Name = this.fontStyle;
      myExcelCell.wrapText = this.lineWrap;
      myExcelCell.Interior.ColorIndex = this.backGround;
      myExcelCell.Font.ColorIndex = this.fontColor;
      if(this.tableBorder != -1){
       myExcelCell.Borders(1).Weight = this.tableBorder ;
       myExcelCell.Borders(2).Weight = this.tableBorder ;
       myExcelCell.Borders(3).Weight = this.tableBorder ;
       myExcelCell.Borders(4).Weight = this.tableBorder ;
      }
      excelTable[readRow][readCol] = true;readCol = readCol + 1;
     }
    }
   }
   if(this.autoFit == true)
    myWorksheet.Columns.AutoFit; 
   jXls.UserControl = true;
   jXls = null;
   myWorkbook = null;
   myWorksheet = null;
  };

 

以下内容为网络搜集，方便自己使用。出处不详（我忘了从哪找的了，呵呵）。
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使用JavaScript中的ActiveXObject填充并设置Excel格式
1.创建实例并创建工作表
var XLObj = new ActiveXObject("Excel.Application");//创建Excel实例
var xlBook = XLObj.Workbooks.Add;                         //新增工作簿
var ExcelSheet = xlBook.Worksheets(1);                   //创建工作表
2.保存表格
ExcelSheet.SaveAs("C:\\TEST.XLS");
3.使 Excel 通过 Application 对象可见
ExcelSheet.Application.Visible = true;或者ExcelSheet.Visible=true;
4.打印
xlBook.PrintOut;或者:ExcelSheet.PrintOut;
5.关闭
xlBook.Close(savechanges=false);或者ExcelSheet.Close(savechanges=false);
6.结束进程
ExcelSheet.Application.Quit()或者XLObj.Quit(); XLObj=null;
7.页面设置
ExcelSheet.ActiveSheet.PageSetup.LeftMargin= 2/0.035;         //页边距 左2厘米
ExcelSheet.ActiveSheet.PageSetup.RightMargin = 3/0.035;      //页边距 右3厘米，
ExcelSheet.ActiveSheet.PageSetup.TopMargin = 4/0.035;        //页边距 上4厘米，
ExcelSheet.ActiveSheet.PageSetup.BottomMargin = 5/0.035;   //页边距 下5厘米
ExcelSheet.ActiveSheet.PageSetup.HeaderMargin = 1/0.035;   //页边距 页眉1厘米
ExcelSheet.ActiveSheet.PageSetup.FooterMargin = 2/0.035;    //页边距 页脚2厘米
ExcelSheet.ActiveSheet.PageSetup.CenterHeader = "页眉中部内容";
ExcelSheet.ActiveSheet.PageSetup.LeftHeader = "页眉左部内容";
ExcelSheet.ActiveSheet.PageSetup.RightHeader = "页眉右部内容";
ExcelSheet.ActiveSheet.PageSetup.CenterFooter = "页脚中部内容";
ExcelSheet.ActiveSheet.PageSetup.LeftFooter = "页脚左部内容";
ExcelSheet.ActiveSheet.PageSetup.RightFooter = "页脚右部内容";
8.对单元格操作，带*部分对于行，列，区域都有相应属性
ExcelSheet.ActiveSheet.Cells(row,col).Value = "内容";                //设置单元格内容
ExcelSheet.ActiveSheet.Cells(row,col).Borders.Weight = 1;        //设置单元格边框*()
ExcelSheet.ActiveSheet.Cells(row,col).Interior.ColorIndex = 1;    //设置单元格底色*(1-黑色，2-白色，3-红色，4-绿色，5-蓝色，6-黄色，7-粉红色，8-天蓝色，9-酱土色..可以多做尝试)
ExcelSheet.ActiveSheet.Cells(row,col).Interior.Pattern = 1;         //设置单元格背景样式*(1-无，2-细网格，3-粗网格，4-斑点，5-横线，6-竖线..可以多做尝试)
ExcelSheet.ActiveSheet.Cells(row,col).Font.ColorIndex = 1;        //设置字体颜色*(与上相同)
ExcelSheet.ActiveSheet.Cells(row,col).Font.Size = 10;                //设置为10号字*
ExcelSheet.ActiveSheet.Cells(row,col).Font.Name = "黑体";        //设置为黑体*
ExcelSheet.ActiveSheet.Cells(row,col).Font.Italic = true;             //设置为斜体*
ExcelSheet.ActiveSheet.Cells(row,col).Font.Bold = true;             //设置为粗体*
ExcelSheet.ActiveSheet.Cells(row,col).ClearContents;                //清除内容*
ExcelSheet.ActiveSheet.Cells(row,col).WrapText=true;               //设置为自动换行*
ExcelSheet.ActiveSheet.Cells(row,col).HorizontalAlignment = 3; //水平对齐方式枚举* (1-常规，2-靠左，3-居中，4-靠右，5-填充 6-两端对齐，7-跨列居中，8-分散对齐)
ExcelSheet.ActiveSheet.Cells(row,col).VerticalAlignment = 2;      //垂直对齐方式枚举*(1-靠上，2-居中，3-靠下，4-两端对齐，5-分散对齐)
//行，列有相应操作:
    ExcelSheet.ActiveSheet.Rows(row).
    ExcelSheet.ActiveSheet.Columns(col).
    ExcelSheet.ActiveSheet.Rows(startrow+":"+endrow).                   //如Rows("1:5")即1到5行
    ExcelSheet.ActiveSheet.Columns(startcol+":"+endcol).                //如Columns("1:5")即1到5列
    //区域有相应操作:
    XLObj.Range(startcell+":"+endcell).Select;
        //如Range("A2:H8")即A列第2格至H列第8格的整个区域
    XLObj.Selection.
    //合并单元格
    XLObj.Range(startcell+":"+endcell).MergeCells = true;
        //如Range("A2:H8")即将A列第2格至H列第8格的整个区域合并为一个单元格
    或者:XLObj.Range("A2",XLObj.Cells(8, 8)).MergeCells = true;
9.设置行高与列宽
ExcelSheet.ActiveSheet.Columns(startcol+":"+endcol).ColumnWidth = 22;//设置从firstcol到stopcol列的宽度为22
ExcelSheet.ActiveSheet.Rows(startrow+":"+endrow).RowHeight = 22;//设置从firstrow到stoprow行的宽度为22
Var myrange oSheet.Range(oSheet.Cells(2,1),oSheet.Cells(2,6));
myRange.Columns.AutoFit()
myRange.Rows.AutoFit()//好像不太管用
//设置该区域为自适应高度和宽度
使用JavaScript将表格内容导出到Excel的方式
1.整个表格拷贝到EXCEL中 
function CopyTable(tableid) 
{
     //整个表格拷贝到EXCEL中 
     var curTbl = document.getElementById(tableid); 
     var oXL = new ActiveXObject("Excel.Application"); 
     //创建AX对象excel 
     var oWB = oXL.Workbooks.Add(); 
     //获取workbook对象 
     var oSheet = oWB.ActiveSheet; 
         //激活当前sheet 
     var sel = document.body.createTextRange(); 
     sel.moveToElementText(curTbl); 
     //把表格中的内容移到TextRange中 
     sel.select(); 
     //全选TextRange中内容 
     sel.execCommand("Copy"); 
     //复制TextRange中内容 
     oSheet.Paste(); 
     //粘贴到活动的EXCEL中       
     oXL.Visible = true; 
     //设置excel可见属性 
} 
2.把单元格内容拷贝到Excel,并设置单元格格式.
function method2(tableid) //读取表格中每个单元到EXCEL中
{
     var curTbl = document.getElementById(tableid);
     var oXL = new ActiveXObject("Excel.Application");
     //创建AX对象excel
     var oWB = oXL.Workbooks.Add();
     //获取workbook对象
     var oSheet = oWB.ActiveSheet;
     //激活当前sheet
     var Lenr = curTbl.rows.length;
     var y=document.getElementById('dropYear');
     var m=document.getElementById('dropMonth');
     //取得表格行数
     oSheet.Cells( 1, 1).value='商户名称：工商银行商城';
     oSheet.Range(oSheet.Cells(1,1),oSheet.Cells(1,6)).Merge()
     oSheet.Cells(2,1).value=日期; '+y.options[y.selectedIndex].value+'-'+m.options[m.selectedIndex].value;
     oSheet.Range(oSheet.Cells(2,1),oSheet.Cells(2,6)).Merge()
     oSheet.Cells( 3, 1).value='销售情况'
     oSheet.Range(oSheet.Cells(3,1),oSheet.Cells(3,6)).Merge()
     oSheet.Cells( 3, 1).HorizontalAlignment=3;
     oSheet.Cells( 3, 1).Font.Size=14;
     oSheet.Cells( 3, 1).Font.Bold = true;
     oSheet.Range(oSheet.Cells(4,1),oSheet.Cells(4,6)).Merge()
     oSheet.Cells(4,1).value=document.getElementById('lbMessage').innerText;
     for (i = 0; i < Lenr; i++)
     {
     var Lenc = curTbl.rows(i).cells.length;
//取得每行的列数
         for (j = 0; j < Lenc; j++)
         {
             oSheet.Cells(i + 5, j + 1).value = curTbl.rows(i).cells(j).innerText;
             //赋值
         }
     }
     oSheet.Cells(i+6,2).value=document.getElementById('hidSum').value;
     oSheet.Columns.AutoFit();
     oSheet.Rows.AutoFit();
     oSheet.Rows(4).RowHeight = 30;
     oXL.Visible = true;
     //设置excel可见属性
     oXL.Quit();
     oXL = null;
     idTmr = window.setInterval("Cleanup();",1);//强制释放资源
}
function Cleanup()//清除Excel资源
{
     window.clearInterval(idTmr);
     CollectGarbage();
}
使用JavaScript按照表格格式复制内容到剪切板
1.在Excel中进行粘贴
function copytable()
{
    var content=''
    var tb=document.getElementById('GVmain');
    var rows=tb.rows;
    for(var i=0;i<rows.length;i++)
    {
          var cells=rows[i].cells;
          for(var j=0;j<cells.length;j++)
          {
              content +=cells[j].innerText.toString()+'\t';
          }
         content +='\n';
     }
     if(content!='')
     {
         clipboardData.setData("text",content);
         alert("复制成功!")
     }
}

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