function hbh() {

             var tab = document.getElementById("tableID");

             var maxCol = 2, val, count, start, qycol = 1, valqy;  //maxCol：合并单元格作用到多少列,valqy 为区域列的内容，qycol为区域所在列的索引  

             for (var col = maxCol - 1; col >= 1; col--) {

                 count = 1;

                 val = "";

                 valqy = "";

                 for (var i = 0; i < tab.rows.length; i++) {

                     if (val == tab.rows[i].cells[col].innerHTML && valqy == tab.rows[i].cells[qycol].innerHTML) {

                         count++;

                     }

                     else {

                         if (count > 1) { //合并

                             start = i - count;

                             tab.rows[start].cells[col].rowSpan = count;

                             for (var j = start + 1; j < i; j++) {

                                 $(tab.rows[j].cells[col]).remove();

                             }

                             count = 1;

                         }

                         val = tab.rows[i].cells[col].innerHTML;

                         valqy = tab.rows[i].cells[qycol].innerHTML;

                     }

                 }

                 if (count > 1) { //合并，最后几行相同的情况下

                     start = i - count;

                     tab.rows[start].cells[col].rowSpan = count;

                     for (var j = start + 1; j < i; j++) {

                         $(tab.rows[j].cells[col]).remove();

                     }

                 }

             }

         };