尊重劳动成果，转载请注明出处（http://blog.csdn.net/sllailcp/article/details/41113275）...
下面是批量获取单元格里面的数据。并对它进行操作。
完整案例：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> <script type="text/javascript" src="jquery-1.9.1.min.js"></script> </head> <body> <table class="table table-bordered bor bg_fff"> <thead> <tr class="bg_00a3cb"> <th>规格ID</th> <th>ERP编码</th> <th>厂家编码</th> <th>商品规格</th> <th>市场价格</th> <th>含票价格</th> <th>不开票价</th> </tr> </thead> <tbody id="zkj"> <tr> <td>1</td> <td>42</td> <td>21</td> <td>11</td> <td>123</td> <td>234</td> <td>456</td> </tr> <tr> <td>1</td> <td>42</td> <td>21</td> <td>11</td> <td>321</td> <td>432</td> <td>654</td> </tr> </tbody> </table> <select name="saleprice" class="inline input-small" id="salepro" οnchange="tt()"> <option value="100">原价</option> <option value="98">9.8折</option> <option value="95">9.5折</option> <option value="92">9.2折</option> <option value="90">9折</option> <option value="88">8.8折</option> <option value="85">8.5折</option> <option value="80">8折</option> <option value="75">7.5折</option> <option value="70">7折</option> </select> <script type="text/javascript"> var tArray = new Array(); for(var x=0;x<$('#zkj tr').length;x++){ tArray[x]=new Array()for(var y=4;y<7;y++){ tArray[x][y]=$('#zkj tr:eq('+x+') td:eq('+y+')').html();} } function tt() { var aa = document.getElementById('salepro'); var price=aa.value; price=parseInt(price)for(var x=0;x<$('#zkj tr').length;x++){ for(var y=4;y<7;y++){ $('#zkj tr:eq('+x+') td:eq('+y+')').html(tArray[x][y]*price/100)} } } </script> </body> </html>效果如图：
