var dwr_old_remoteHandleCallback=dwr.engine._remoteHandleCallback;dwr.engine._remoteHandleCallback=function(B,C,A){if(A&&!A.ok){switch(A.desc){case"_ACCESS_DENY_":alert("您先登录，再进行操作。");return ;case"_SERVICE_EXCEPTION_":alert("服务异常，请联系管理员或者稍候再试。");return }}dwr_old_remoteHandleCallback(B,C,A)};