5列 根据需要可添加 或 删除 strOneTemp strTwoTemp strThreeTemp strFourTemp strFiveTemp
//合并单元格
???????this.mergeCellsTable = function(){
???????var strOneTemp = null;
???????var indexOne = 1
???????var objOne={};
???????
???????var strTwoTemp = null;
???????var indexTwo = 1
???????var objTwo={};
???????
???????var strThreeTemp = null;
???????var indexThree = 1
???????var objThree={};
???????
???????var strFourTemp = null;
???????var indexFour = 1
???????var objFour={};
???????
???????var strFiveTemp = null;
???????var indexFive = 1
???????var objFive={};
???????
???????var _$tr = $(‘#table>tbody>tr‘); //对应table的ID
???????for(var i=0;i<_$tr.length;i++){
???????if(i<_$tr.length-1){ //不包括最后一行
???????var flagOne = false;
???????????var flagTwo = false;
???????????var flagThree = false;
???????????var flagFour = false;
???????????var flagFive = false;
???????????
???????????var oneStr = $(_$tr[i]).find("td").eq(0).text();
???????????if(oneStr==strOneTemp){
???????????$(objOne).attr("rowspan",indexOne+1);
???????????flagOne = true;
???????????indexOne++;
???????????}else{
???????????objOne = $(_$tr[i]).find("td").eq(0);
???????????strOneTemp = oneStr;
???????????indexOne = 1;
???????????}
???????????
???????????var twoStr = $(_$tr[i]).find("td").eq(1).text();
???????????if(twoStr==strTwoTemp){
???????????$(objTwo).attr("rowspan",indexTwo+1);
???????????flagTwo = true;
???????????indexTwo++;
???????????}else{
???????????objTwo = $(_$tr[i]).find("td").eq(1);
???????????strTwoTemp = twoStr;
???????????indexTwo = 1;
???????????}
???????????
???????????var threeStr = $(_$tr[i]).find("td").eq(2).text();
???????????if(threeStr==strThreeTemp){
???????????$(objThree).attr("rowspan",indexThree+1);
???????????flagThree = true;
???????????indexThree++;
???????????}else{
???????????objThree = $(_$tr[i]).find("td").eq(2);
???????????strThreeTemp = threeStr;
???????????indexThree = 1;
???????????}
???????????
???????????var fourStr = $(_$tr[i]).find("td").eq(3).text();
???????????if(fourStr==strFourTemp){
???????????$(objFour).attr("rowspan",indexFour+1);
???????????flagFour = true;
???????????indexFour++;
???????????}else{
???????????objFour = $(_$tr[i]).find("td").eq(3);
???????????strFourTemp = fourStr;
???????????indexFour = 1;
???????????}
???????????
???????????var fiveStr = $(_$tr[i]).find("td").eq(4).text();
???????????if(fiveStr==strFiveTemp){
???????????$(objFive).attr("rowspan",indexFive+1);
???????????flagFive = true;
???????????indexFive++;
???????????}else{
???????????objFive = $(_$tr[i]).find("td").eq(4);
???????????strFiveTemp = fiveStr;
???????????indexFive = 1;
???????????}
???????????
???????????if(flagOne){
???????????$(_$tr[i]).find("td").eq(0).hide();
???????????}
???????????
???????????if(flagTwo){
???????????$(_$tr[i]).find("td").eq(1).hide();
???????????}
???????????
???????????if(flagThree){
???????????$(_$tr[i]).find("td").eq(2).hide();
???????????}
???????????
???????????if(flagFour){
???????????$(_$tr[i]).find("td").eq(3).hide();
???????????}
???????????
???????????if(flagFive){
???????????$(_$tr[i]).find("td").eq(4).hide();
???????????}
???????????}
???????}
???????}
js ?表格合并单元格
原文地址：https://www.cnblogs.com/ljc1212/p/9150635.html