JavaScript基于ajax编辑信息用法实例
本文实例讲述了JavaScript基于ajax编辑信息的方法。分享给大家供大家参考。具体如下:
//Requiresprototype.js functionedit(action,obj){ Element.hide(obj); vartextarea='<divid="'+obj.id+'_editor"><inputtype="text"id="'+obj.id+'_edit"name="'+obj.id+'"value="'+obj.innerHTML+'"size="40">'; varbutton='<inputid="'+obj.id+'_save"type="button"value="SAVE"/><inputid="'+obj.id+'_cancel"type="button"value="CANCEL"/></div>'; newInsertion.After(obj,textarea+button); Event.observe(obj.id+'_save','click',function(){saveChanges(action,obj)},false); Event.observe(obj.id+'_cancel','click',function(){cleanUp(obj)},false); $(obj.id+"_edit").focus(); $(obj.id+"_edit").select(); } functioncleanUp(obj,keepEditable){ Element.remove(obj.id+'_editor'); Element.show(obj); if(!keepEditable)showAsEditable(obj,true); } functionsaveChanges(action,obj){ varnew_content=escape($F(obj.id+'_edit')); obj.innerHTML="Saving..."; cleanUp(obj,true); varsuccess=function(t){editComplete(t,obj);} varfailure=function(t){editFailed(t,obj);} varurl='poll-ajax.php?a='+action; varpars='id='+obj.id+'&content='+new_content; varmyAjax=newAjax.Request(url,{method:'post',postBody:pars,onSuccess:success,onFailure:failure}); } functioneditComplete(t,obj){ obj.innerHTML=t.responseText; showAsEditable(obj,true); } functioneditFailed(t,obj){ obj.innerHTML='Sorry,theupdatefailed.'; cleanUp(obj); }
希望本文所述对大家的javascript程序设计有所帮助。