可参考的js代码

function addcompanyFinalBalance(){

	var currentDate = new Date();
	var currentYear = date.getFullYear();// 当前年份
	var previousMonth = date.getMonth();//  当前上一月份
	//====================================================================================
	var yearAndTime = $("#companyTime").find("td:last").find("label").text();

	var yearindex = yearAndTime.lastIndexOf("年");
	var myYear=yearAndTime.substring(0,yearindex);

	var monthindex=yearAndTime.lastIndexOf("月");
	var myMonth=yearAndTime.substring(yearindex+1,monthindex);
	
	myMonth= parseInt(myMonth)+1;
	if (myMonth>=12) {
		myMonth=1;
		myYear++;
	}

	/*if(myYear>=currentYear&&myMonth>previousMonth){
		$.messager.alert("提示","已达到最大期值,无法再增加！","info");
		return;
	}*/
	//====================================================================================
	var rows =$("#balance").find("tr");

	rows.each(
		function(index,element){
			var idvalue=$(element).attr("id");
			if(index==0){	
				var neddAppend="<td><input type='hidden' name='colyear' value="+myYear+"><input type='hidden' name='colmonth' value="+myMonth+"><label>"+myYear+"年"+myMonth+"月</label></td>";
				$(element).append(neddAppend);		
			}else if(index==rows.length-1){
				var neddAppend="<td>0</td>";
				$(element).append(neddAppend);
			}else if(idvalue=='a_1000'){
				//noithing
			}else{
				//拿到当前tr 最后一个td 内input 的标识 myflag
				var index=$(element).find("td:last").find("[myid='closeinfoserialid']").attr("myflag");
				var mBankname=$(element).find("td:last").find("[id='gongsitype']").attr("value");
				var myFristAddAccountNum=$(element).find("td:last").find("[myFristAddAccountNumId='myFristAddAccountNumId']").attr("value");

				var myBalanceSerialIdValue=$(element).find("td:last").find("[mybalanceserialid='mybalanceserialid']").attr("mybalanceserialidvalue");
				var myBankNameValue=$(element).find("td:last").find("[mybanknameid='mybanknameid']").attr("mybanknamevalue");
				var myAccountNumbValue=$(element).find("td:last").find("[myaccountnumb='accountnumb']").attr("value");

				if(typeof(index)=="undefined"){

					if(typeof(myAccountNumbValue)=="undefined"){
						myAccountNumbValue=myFristAddAccountNum;
					}
					
					var htmlcontent="<td name="bankmonytd"><input type="hidden"  name="bankcloseInfoList.closeinfoserialid"  /><input type="hidden"  name="bankcloseInfoList.balanceserialid" value="+myBalanceSerialIdValue+"  mybalanceserialid="mybalanceserialid" /><input type="hidden"  name="bankcloseInfoList.bankname"  id="gongsitype" class="gongsitype" value="+mBankname+" /><input type="hidden"  name="bankcloseInfoList.accountnum"  value="+myAccountNumbValue+"  myaccountnumb="accountnumb"  myaccountnumbvalue="+myAccountNumbValue+" /><input type="hidden"  name="bankcloseInfoList.year"   /><input type="hidden"  name="bankcloseInfoList.month"  /><input type="text" style=" 95%"  name="bankcloseInfoList.money" onblur="reCount(this);" class="easyui-validatebox" data-options="required:true,validType:'number'"/></td>";
					$(element).append(htmlcontent);
					return;
				}
				
				index=parseInt(index)+1;

				var htmlcontent="<td name="bankmonytd"><input type="hidden"  name="bankcloseInfoList["+index+"].closeinfoserialid"   myflag="+index+"  myid="closeinfoserialid" /><input type="hidden"  name="bankcloseInfoList["+index+"].balanceserialid" value="+myBalanceSerialIdValue+"  mybalanceserialid="mybalanceserialid"  mybalanceserialidvalue="+myBalanceSerialIdValue+" /><input type="hidden"  name="bankcloseInfoList["+index+"].bankname"  id="gongsitype" class="gongsitype" value="+myBankNameValue+"  mybanknameid="mybanknameid"  mybanknamevalue="+myBankNameValue+" /><input type="hidden"  name="bankcloseInfoList["+index+"].accountnum"  value="+myAccountNumbValue+"   myaccountnumb="accountnumb"   myaccountnumbvalue="+myAccountNumbValue+" /><input type="hidden"  name="bankcloseInfoList["+index+"].year" value="+myYear+"  /><input type="hidden"  name="bankcloseInfoList["+index+"].month" value="+myMonth+" /><input type="text" style=" 95%"  name="bankcloseInfoList["+index+"].money" onblur="reCount(this);" class="easyui-validatebox" data-options="required:true,validType:'number'"/></td>";
				$(element).append(htmlcontent);
			}
		});	
	}