<script>

//异步请求@人功能

function at(){

$.get('some.url.com/controller/action', function(resp){

if(resp!=null){//alert(resp);

tt_tips = new TextAreaAutoTips('post_text', {

debug: false,

data:resp

});

}

});

}

window.onload = at;

</script>


后端那边最后就是echo $data ;