JS获取table页面数据自动获取，并进行单元格合并行，列
自己在百度上看的，感觉还可以
自己吧下面的代码复制就可以用了
（关于无法启动Excel问题，）
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta charset="UTF-8">
<title>NP统计</title>
<style>
#idParentDiv{margin:50px 0px 0px 50px;background-color: #DFE8F6;font-size: 14px;}
</style>
<script type="text/javascript" src="js/TableToExcel.js"></script>
<script type="text/javascript">
function ExportExcel(tableID){
var tb = new TableToExcel(tableID);
tb.setFontStyle("Courier New");
tb.setFontSize(10);
tb.setTableBorder(2);
tb.setColumnWidth(7);
tb.isLineWrap(true);
tb.getExcelFile();
}
</script>
</head>
<body>
<input type="button" onclick="ExportExcel('idParentDiv')" value="导出excel"/>
<div class="bar">
<table border="1" id = "idParentDiv" style="display:block">
<tr>
<td align="middle">省份</td>
<td id = "province" colspan="2" align="middle">天津</td>
<td colspan="4" align="middle">携入</td>
</tr>
<tr>
<td rowspan="2" align="middle">时间</td>
<td align="middle">开始时间</td>
<td align="middle">结束时间</td>
<td align="middle">电信</td>
<td align="middle">移动</td>
<td align="middle">联通</td>
<td align="middle">携出合计</td>
</tr>
<tr>
<td id = "sDate" align="middle">2010-10-17</td>
<td id = "eDate" align="middle">2010-11-17</td>
<td align="middle">成功量</td>
<td align="middle">成功量</td>
<td align="middle">成功量</td>
<td align="middle">成功量</td>
</tr>
<tr>
<td rowspan="4" align="middle">携出</td>
<td colspan="2" align="middle">电信</td>
<td align="middle">--</td>
<td id = "s001002" align="middle">500</td>
<td id = "s001003" align="middle">700</td>
<td id = "out001" align="middle">1200</td>
</tr>
<tr>
<td colspan="2" align="middle">移动</td>
<td id = "s002001" align="middle">3000</td>
<td align="middle">--</td>
<td id = "s002003" align="middle">2500</td>
<td id = "out002" align="middle">5500</td>
</tr>
<tr>
<td colspan="2" align="middle">联通</td>
<td id = "s003001" align="middle">3000</td>
<td id = "s003002" align="middle">500</td>
<td align="middle">--</td>
<td id = "out003" align="middle">3500</td>
</tr>
<tr>
<td colspan="2" align="middle">携入合计</td>
<td id = "in001" align="middle">6000</td>
<td id = "in002" align="middle">1000</td>
<td id = "in003" align="middle">3200</td>
<td id = "inout" align="middle">10200</td>
</tr>
</table>
</div>
</body>
</html> //自定定义一个用于记录导出信息的对像
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() {
//先声明Excel插件、Excel工作簿等对像
var jXls, myWorkbook, myWorksheet, myHTMLTableCell, myExcelCell, myExcelCell2;
var myCellColSpan, myCellRowSpan;
try {
jXls = new ActiveXObject('Excel.Application'); //插件初始化失败时作出提示
} 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;//这句写在这里可以看见整个EXCEL文档的加载过程
jXls.DisplayAlerts = false; //不显示警告
myWorkbook = jXls.Workbooks.Add(); //新建EXCEL文件
//myWorkbook.Worksheets(2).Delete(); //删除第3个标签页
//myWorkbook.Worksheets(3).Delete(); //删除第2个标签页
myWorksheet = myWorkbook.ActiveSheet; //获取当前活动的标签页
var readRow = 0,
readCol = 0;
var totalRow = 0,
totalCol = 0;
var tabNum = 0;
//设置列宽
if(this.columnWidth != -1)
myWorksheet.Columns.ColumnWidth = this.columnWidth;
else
myWorksheet.Columns.ColumnWidth = 7;
//设置行高
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(var x = 0; x < obj.length; x++) {
if(obj[x].id == this.tableID) {
tabNum = x;
totalRow = obj[x].rows.length; //记录总行数
//根据第一行的单元格数及各个单元格合并的格数来计算总列数
for(var i = 0; i < obj[x].rows[0].cells.length; i++) {
myHTMLTableCell = obj[x].rows[0].cells(i);
myCellColSpan = myHTMLTableCell.colSpan;
totalCol = totalCol + myCellColSpan;
}
}
}
//开始根据总行数、总列数构件模拟表格
var excelTable = new Array();
for(var i = 0; i <= totalRow; i++) {
excelTable[i] = new Array();
for(var t = 0; t <= totalCol; t++) {
excelTable[i][t] = false;
}
}
//开始转换表格
for(var z = 0; z < obj[tabNum].rows.length; z++) {
readRow = z + 1;
readCol = 0;
for(var c = 0; c < obj[tabNum].rows(z).cells.length; c++) {
myHTMLTableCell = obj[tabNum].rows(z).cells(c); //获取HTML表格单元格对像
myCellColSpan = myHTMLTableCell.colSpan; //获取单元格合并列数
myCellRowSpan = myHTMLTableCell.rowSpan; //获取单元格合并行数
for(var y = 1; y <= totalCol; y++) {
if(excelTable[readRow][y] == false) {
readCol = y;
break;
}
}
//合并行数*合并列数>0说明这一格有合并
if(myCellColSpan * myCellRowSpan > 1) {
myExcelCell = myWorksheet.Cells(readRow, readCol); //定位单元格的起始格
myExcelCell2 = myWorksheet.Cells(readRow + myCellRowSpan - 1, readCol + myCellColSpan - 1); //定位单元格的结束格
myWorksheet.Range(myExcelCell, myExcelCell2).Merge(); //合并单元格
myExcelCell.HorizontalAlignment = this.textAlign; //设置对齐方式
myExcelCell.Font.Size = this.fontSize; //设置字体大小
myExcelCell.Font.Name = this.fontStyle; //设置字体样式
myExcelCell.Font.ColorIndex = this.fontColor; //设置字体颜色
myExcelCell.wrapText = this.lineWrap; //设置是否自动换行
myExcelCell.Interior.ColorIndex = this.backGround; //设置背景色
if(this.tableBorder != -1) { //设置边框
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; //赋值
//将合并完的单元格设置为已赋值
for(var row = readRow; row <= myCellRowSpan + readRow - 1; row++) {
for(var col = readCol; col <= myCellColSpan + readCol - 1; col++) {
excelTable[row][col] = true;
}
}
//定位下一个处理的单元格的列数
readCol = readCol + myCellColSpan;
} else { //没有表格合并的处理情况
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.Visible = true; //显示Excel文件
jXls.UserControl = true;
jXls = null; //释放对像
myWorkbook = null; //释放对像
myWorksheet = null; //释放对像
};