回车使用ajax提交form表单
<%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%><script type="text/javascript" src="${basePath}/js/jquery/jquery.js"></script><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript">function sub(){$.ajax({type:"POST",url:url,data:"pageSize=6",success:function(msg){alert("success");}})return false;}</script></head><body><form action="" onkeydown="if(event.keyCode==13) return sub();"><input id="inputId" /><input type="button" value="sub" onclick="sub();" /></form></body></html>