支付宝APP支付Java回调具体步骤

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/**
 * 支付宝异步请求通知
 *
 * @param request
 * @return
 */
@RequestMapping(value = "async", method = RequestMethod.POST)
@ResponseBody
@Transactional(readOnly = false)
public String async(HttpServletRequest request) {
    Map<String, String> params = new HashMap<String, String>();
    Map requestParams = request.getParameterMap();
    for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext(); ) {
        String name = (String) iter.next();
        String[] values = (String[]) requestParams.get(name);
        String valueStr = "";
        for (int i = 0; i < values.length; i++) {
            valueStr = (i == values.length - 1) ? valueStr + values[i] : valueStr + values[i] + ",";
        }
        System.out.println(">>>>>参数" + name + ":" + valueStr);
        params.put(name, valueStr);
    }
    requestParams.get("trade_status");
    String tradeNo = request.getParameter("out_trade_no");
    String tradeStatus = request.getParameter("trade_status");
    if (AlipayNotify.verify(params)) {//验证成功
        if (tradeStatus.equals("TRADE_FINISHED") || tradeStatus.equals("TRADE_SUCCESS")) {
            System.out.println(">>>>>状态要更新了");

    //商品交易成功之后的业务逻辑代码

                                   System.out.println(">>>>>下单成功" + tradeNo);
        }
        return "success";
    } else {//验证失败
        System.out.println(">>>>>验签失败" + tradeNo);
        System.out.println(">>>>>交易被关闭了");
        MemberOrder order = this.memberOrderService.get(tradeNo);
        this.memberOrderService.updateActualPayAndSurplusPay("0.00", order.getActualPay().toString(), tradeNo);
        return "fail";
    }
}

支付宝APP支付Java回调具体步骤

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原文地址：http://www.cnblogs.com/xu-xiang/p/5820215.html