jquery ajax 接受值 alert弹出整个页面

Question

js代码
$(document).ready(function(){
$('#all_update_button').click(function(){
$.ajax({
type:'post',
url:'/shop/member.do?method=allFind',
success:function(data)
{
alert(data);
}
});
});
java代码PrintWriter printWriter=null;
try {
printWriter=response.getWriter();
} catch (IOException e) {
e.printStackTrace();
}
printWriter.write("aaa");
return null;jQuery AjaxJavaScriptJava

Answer 1

$.ajax({
            type:'post',
            url:'/shop/member.do?method=allFind',            dataType:"html",//加上这句话，返回类型设置            success:function(data)
            {
                alert(data);
            }
        });