根据不同的产品id获得不同的下拉选项 （option传多值）

<td><select id='goodRefSuppliers_${s.index}' style='width: 100px;'><option value=''>--请选择--</option>
<c:forEach var='goodRefSuppliers' items='${goodRefSuppliersList}'>
<c:if test ="${goodRefSuppliers.prdInfo == prd}">
<option id='${goodRefSuppliers.suppliers.id}' value='${goodRefSuppliers.suppliers.name},${goodRefSuppliers.suppliers.id}'>${goodRefSuppliers.suppliers.name}
</option>
</c:if>
</c:forEach>
</select>
</td>

var chk_value = [];
function jqchk() { //jquery获取复选框值

$('input[name="id"]:checked').each(function() {
var ip = $(this).attr('id');
var val = $(this).val();
//alert(val);
var unit = $('#unit_'+ip).val();
var goodRefSuppliers = $('#goodRefSuppliers_'+ip).val();
//alert(goodRefSuppliers);
val = val + "," + unit+"," +goodRefSuppliers;
chk_value.push(val);
});
if (chk_value.length == 0) {
alert('没有选择任何数据。');
return false;
}
return true;
}

function ext(){
if(jqchk()){
var str = "";
for(var i=0;i<chk_value.length;i++){
var ips = parseInt(Math.random() * new Date().getTime());
str = str + "<tr id='gradeTr_"+ips+"'>"
+"<td>" + chk_value[i].split(",")[1] + "</td>"
+"<td>" + chk_value[i].split(",")[2] + "</td>"
+"<td>" + chk_value[i].split(",")[3] + "</td>"
+"<td><input type='hidden' id='suppliers_"+ips+"' value=" + chk_value[i].split(",")[5] + "> "+ chk_value[i].split(",")[4] +"</td>"
+"<td><select id='gradeCode_"+ips+"' style='width: 100px;'><option value=''>--请选择--</option><c:forEach var='grade' items='${productGradeList}'><option value='${grade.propertyCode}'>${grade.propertyValue}</option></c:forEach></select></td>"
+"<td><select id='inventoryStatus_"+ips+"' style='width: 100px;'><option value=''>--请选择--</option><c:forEach var='status' items='${inventoryStatusList}'><option value='${status.propertyCode}'>${status.propertyValue}</option></c:forEach></select></td>"
+"<td><select id='inventoryType_"+ips+"' style='width: 100px;'><option value=''>--请选择--</option><c:forEach var='inventoryType' items='${inventoryTypeList}'><option value='${inventoryType.propertyCode}'<c:if test="${inventoryType.propertyValue=='备件库存'}">selected</c:if>>${inventoryType.propertyValue}</option></c:forEach></select></td>"
+"<td><input type='text' id='itemKey_"+ips+"' value='无'/></td>"
+"<td><input type='text' id='quantity_"+ips+"' onkeyup='javascrit:IsNum(this)'/></td>"
+"<td align='center'><input type='hidden' name='prdId' value='"+chk_value[i].split(",")[0]+"' id='"+ips+"'/><a href='javascript:deleteGoods("+ips+")'>删除</a></td></tr>";
}//for
closePopup();
parent.refreshMain(str);
//alert(str);
parent.hideErrorMsg();

}//if
}