简单ajxa提交

function saveAttrItem(){
       var checked = parent.getChecked();
       if (checked.length == 1) {
  param = checked[0].split('_');
var attrItemId = param[0];
var attrItemNames=trim(document.getElementById("attrItemName"+attrItemId).value);
var nameAble=document.getElementById("nameAble"+attrItemId).value;
var searchAble=document.getElementById("searchAble"+attrItemId).value;
var rankAble=document.getElementById("rankAble"+attrItemId).value;
var statusAble=document.getElementById("statusAble"+attrItemId).value;
if (null == attrItemNames || trim(attrItemNames).length == 0) {
        alert("XXXXXX！");
        return false;
     }
     if(attrItemNames.length>40){
   alert("xxxxxxx!");
   return false;
   }
   if(nameAble==""){
      var  booleanDel =window.confirm("xxxxxxx?");  
      if(!booleanDel){
        return false;
      }
   } 
      }
$.ajax({
   url:'attributeItemUpdate?attrItemNames='+encodeURIComponent(attrItemNames)+'&rankAble='+rankAble +'&statusAble='+statusAble+'&searchAble='+searchAble+'&nameAble='+nameAble+'&attrItemId='+attrItemId,
      type:'post',
  success:su 
  });
function su(message){
if(message=="fail"){
  alert("xxxxxx！");
     }else{
  alert("xxxxxx");
       refreshFn();
      
    }
      }
}


HttpServletResponse reponse = (HttpServletResponse) this.getCommandContext().getResponse();
try {
message = ECAttributeMessage.FAIL;
PrintWriter pw = reponse.getWriter();
pw.write(message);
pw.close();
} catch (IOException e) {
e.printStackTrace();
}