java web支付宝教程



public static String pay(Map<String,Object> hap) throws Exception {

 </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">获取要向支付宝支付的参数,由页面传过来 </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">商户订单号，商户网站订单系统中唯一订单号，必填</span> String out_trade_no = StringUtil.getStr(hap.get("WIDout_trade_no"<span style="color: rgba(0, 0, 0, 1)">)); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">付款金额，必填</span> String total_amount = StringUtil.getStr(hap.get("WIDtotal_amount"<span style="color: rgba(0, 0, 0, 1)">)); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">订单名称，必填</span> String subject = StringUtil.getStr(hap.get("WIDsubject"<span style="color: rgba(0, 0, 0, 1)">)); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">商品描述，可空</span> String body = StringUtil.getStr(hap.get("WIDbody"<span style="color: rgba(0, 0, 0, 1)">)); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">获得初始化的AlipayClient</span> AlipayClient alipayClient = <span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> DefaultAlipayClient(AliPayConfig.GATEWAY_URL, AliPayConfig.APP_ID, AliPayConfig.MERCHANT_PRIVATE_KEY, </span>"json"<span style="color: rgba(0, 0, 0, 1)">, AliPayConfig.CHARSET, AliPayConfig.ALIPAY_PUBLIC_KEY, AliPayConfig.SIGN_TYPE); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">设置请求参数</span> AlipayTradePagePayRequest alipayRequest = <span style="color: rgba(0, 0, 255, 1)">new</span><span style="color: rgba(0, 0, 0, 1)"> AlipayTradePagePayRequest(); alipayRequest.setReturnUrl(AliPayConfig.RETURN_URL); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">设置同步回调通知</span> alipayRequest.setNotifyUrl(AliPayConfig.NOTIFY_URL); <span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">设置异步回调通知 </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">设置支付参数</span> alipayRequest.setBizContent("{"out_trade_no":"" + out_trade_no + ""," + ""total_amount":"" + total_amount + ""," + ""subject":"" + subject + ""," + ""body":"" + body + ""," + ""product_code":"FAST_INSTANT_TRADE_PAY"}"<span style="color: rgba(0, 0, 0, 1)">); </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)">请求</span> String result = <span style="color: rgba(0, 0, 255, 1)">null</span><span style="color: rgba(0, 0, 0, 1)">; </span><span style="color: rgba(0, 0, 255, 1)">try</span><span style="color: rgba(0, 0, 0, 1)"> { result </span>=<span style="color: rgba(0, 0, 0, 1)"> alipayClient.pageExecute(alipayRequest).getBody(); } </span><span style="color: rgba(0, 0, 255, 1)">catch</span><span style="color: rgba(0, 0, 0, 1)"> (AlipayApiException e) { </span><span style="color: rgba(0, 128, 0, 1)">//</span><span style="color: rgba(0, 128, 0, 1)"> TODO Auto-generated catch block</span> 

e.printStackTrace();

 } </span><span style="color: rgba(0, 0, 255, 1)">return</span><span style="color: rgba(0, 0, 0, 1)"> result; }</span></pre> 

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