checkBox

//方法一
       var areaService="";
       areaService='${olderIds}';
        if(areaService!=""){
var checkId=areaService.split(",");
for(var i=0;i<checkId.length;i++){
$("#o" + checkId[i]).attr("checked", true);
}
}
     //方法二
     var arr = "";
arr += ${checkItemList};
var arrs = new Array();
arrs = arr.split("-");
var serviceItem=document.getElementsByName("serviceItem");
for(var i = 0;i<serviceItem.length;i++){
for (j=0;j<arrs.length ;j++ )  
    { 
if(serviceItem[i].value == arrs[j]){
serviceItem[i].checked=true;
break;
}
    }

}
//点击事件获取id
function checkOlderId(id) {
if ($("#o" + id).attr("checked")) {
if (areaService == "") {
areaService = id;
} else {
areaService += "," + id;
}
}else{
if(areaService.indexOf(",")==-1){
areaService="";
}else if(areaService.lastIndexOf(id)==(areaService.length-id.length)){
areaService=areaService.replace(","+id,"");
}else{
areaService=areaService.replace(id+",","");
}
}
}