Re: JAVA支付宝：web页面扫码支付、网站支付、支付宝即时到账 + springmvc
1、商品发起购买请求（将DEMO中的页面直接拿过来用了）。
[code] <body>
<div class="header">
<div class="container black">
<div class="qrcode">
<div class="littlecode">
<img width="16px" src="img/little_qrcode.jpg" id="licode">
<div class="showqrs" id="showqrs">
<div class="shtoparrow"></div>
<div class="guanzhuqr">
<img src="img/guanzhu_qrcode.png" width="80">
<div class="shmsg" style="margin-top:5px;">
请扫码关注
</div>
<div class="shmsg" style="margin-bottom:5px;">
接收重要信息
</div>
</div>
</div>
</div>
</div>
</div>
<div class="container">
<div class="nav">
<a href="https://www.alipay.com/" class="logo"><img src="img/alipay_logo.png" height="30px"></a>
<span class="divier"></span>
<a href="http://open.alipay.com/platform/home.htm" class="open" target="_blank">开放平台</a>
<ul class="navbar">
<li><a href="https://doc.open.alipay.com/doc2/detail?treeId=62&articleId=103566&docType=1" target="_blank">在线文档</a></li>
<li><a href="https://cschannel.alipay.com/portal.htm?sourceId=213" target="_blank">技术支持</a></li>
</ul>
</div>
</div>
<div class="container blue">
<div class="title">支付宝即时到账(create_direct_pay_by_user)</div>
</div>
</div>
<div class="content">
<%-- <form action="${ctx}/aliPay/open" class="alipayform" method="POST" target="_blank"> --%>
<div class="element" style="margin-top:60px;">
<div class="legend">支付宝即时到账交易接口快速通道 </div>
</div>
<div class="element">
<div class="etitle">商户订单号:</div>
<div class="einput"><input type="text" name="WIDout_trade_no" id="out_trade_no"></div>
<br>
<div class="mark">注意：商户订单号(out_trade_no).必填(建议是英文字母和数字,不能含有特殊字符)</div>
</div>
<div class="element">
<div class="etitle">商品名称:</div>
<div class="einput"><input type="text" name="WIDsubject" id="WIDsubject" value="test商品123"></div>
<br>
<div class="mark">注意：产品名称(subject)，必填(建议中文，英文，数字，不能含有特殊字符)</div>
</div>
<div class="element">
<div class="etitle">付款金额:</div>
<div class="einput"><input type="text" name="WIDtotal_fee" id="WIDtotal_fee" value="0.01"></div>
<br>
<div class="mark">注意：付款金额(total_fee)，必填(格式如：1.00,请精确到分)</div>
</div>
<div class="element">
<div class="etitle">商品描述:</div>
<div class="einput"><input type="text" name="WIDbody" id="WIDbody" value="即时到账测试"></div>
<br>
<div class="mark">注意：商品描述(body)，选填(建议中文，英文，数字，不能含有特殊字符)</div>
</div>
<div class="element">
<input type="button" class="alisubmit" id="sbumitBtn" value ="确认支付">
</div>
</div>
<div id="returnAli"></div>
<div class="footer">
<p class="footer-sub">
<a href="http://ab.alipay.com/i/index.htm" target="_blank">关于支付宝</a><span>|</span>
<a href="https://e.alipay.com/index.htm" target="_blank">商家中心</a><span>|</span>
<a href="https://job.alibaba.com/zhaopin/index.htm" target="_blank">诚征英才</a><span>|</span>
<a href="http://ab.alipay.com/i/lianxi.htm" target="_blank">联系我们</a><span>|</span>
<a href="#" id="international" target="_blank">International Business</a><span>|</span>
<a href="http://ab.alipay.com/i/jieshao.htm#en" target="_blank">About Alipay</a>
<br>
<span>支付宝版权所有</span>
<span class="footer-date">2004-2016</span>
<span><a href="http://fun.alipay.com/certificate/jyxkz.htm" target="_blank">ICP证：沪B2-20150087</a></span>
</p>
</div>
</body> [/code]