整个table合并

/**
 * Created by shamochao 2016.8.17
 *
 * 合并表行
 *
 * 需要先引入jQuery
 * .
 */

 (function(window, undefined) {
         function CcTable(cfg) {
             var config = cfg || {};
             this.get = function(n) {
                     return config[n];
                 }
             this.set = function(n, v) {
                     config[n] = v;
                 }
             this.init();
         }
         CcTable.prototype = {
                init: function(){

                    if(!this.get("TABLE_ID")) {

                        throw new Error("表格id参数没传.");

                        return;
                    }
                },
                tableMerge: function(){

                        var tableId = this.get("TABLE_ID");

                        this.columnMerge(tableId)

                },
                columnMerge:function(tableId){

                    var allTd = $("#"+tableId).find("tr:eq(0)").find("td");

                    var length = allTd.size();

                    for(var i=0; i < length ; i++){
                        this.rowMerge(tableId,i);
                    }
                },
                 rowMerge:function(tableId,column){

                     var allTr = $("#"+tableId).find("tr");

                     var length = allTr.size();

                     var span = 1;

                     var point = 1;

                     for (var i=1; i<length; i++) {

                         var text = $(allTr[i]).find("td:eq("+column+")").html();

                         var zeroText = $(allTr[i]).find("td:eq(0)").html();

                         var nextText = "";

                         var zeroNextText = "";

                         if (i+1 <= length) {

                             nextText = $(allTr[i+1]).find("td:eq("+column+")").html();

                             zeroNextText = $(allTr[i+1]).find("td:eq(0)").html();

                             if (text == nextText && text != '' && zeroNextText == zeroText && zeroNextText != "") {

                                 span++;

                             } else {

                                 var firstTdSpan =  parseInt($(allTr[point]).find("td:eq(0)").attr("rowspan"));

                                 if( firstTdSpan > span)  {

                                     span = 1;

                                     point = i+1;

                                     continue;

                                 }


                                 for (var j=1; j<span; j++) {

                                     if (j == 1) {

                                         $(allTr[point]).find("td:eq("+column+")").attr("rowspan", span+"")

                                     }

                                     $(allTr[point+j]).find("td:eq("+column+")").hide();

                                 }

                                 span = 1;

                                 point = i+1;

                             }

                         }

                     }
                 }
         };
     window.CcTable = window.CcTable || CcTable;
 })(window);