（1）提交按钮，表单，按钮的简单应用
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page language="java" pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<%
String contextPath = request.getContextPath();
%>
<title>test</title>
<script language="javascript" src="<%=contextPath%>/js/base/jquery/jquery-1.7.1.min.js"></script>
<script type="text/javascript">
function submitInfo() {
var txtName = $("#txtName").val();
$("#formIdStudent").attr("action", "这里还可以设置提交路径");
$("#formIdStudent").submit();// 提交到后台处理
}
</script>
</head>
<body>
<form action="<%=contextPath %>/pub/saveStudent" method="post" id="formIdStudent">
<input type="text" value="" id="txtName" />
<input type="button" value="普通按钮单击提交" onclick="submitInfo()" />
<input type="submit" value="这是提交按钮，只要点击它就会提交到后台处理" />
</form>
</body>
</html>
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