php如何接入paypal支付?
第一步、打开https://www.paypal.com/官网,申请一个paypal账号。
第二步、登录账号,并进入https://developer.paypal.com/developer/accounts/。可以看到你申请账号自动配属的两个测试账号,账号类别分别是:BUSINESS和PERSONAL,PERSONAL的账号里面有$9999。
第三步、给两个账号设置密码,点击账号展开,然后点击Profile,弹出账号信息框,进行设置密码等属性。
第四步、在项目支付页面写入下面代码
(paypal的测试环境域名为www.sandbox.paypal.com,正式域名为www.paypal.com。)
<form action="https://www.paypal.com/cgi-bin/webscr" method="post" name="paypal"> <input type="hidden" name="cmd" value="_xclick"> <input type="hidden" name="business" value="paypal收款账号"> <input type="hidden" name="item_name" value="商品名称-PCB Online Payment"> <input type="hidden" name="item_number" value="可以写入订单ID(备选项)"> <input type="hidden" name="cancel_return" value="取消支付返回url"> <input type="hidden" name="notify_url" value="支付完成返回url"> <input type="hidden" name="return" value="支付完成返回url"> <!-- 货币种类,USD为美元 --> <input type="hidden" name="currency_code" value="USD"> <!-- 支付金额 --> <input type="hidden" name="amount" value="8.88"> <input type="submit" value="立即支付" class="sbtn4" /> </form>
第五步、处理返回信息
确认“payment_status”为“Completed”,因为系统也会 为其他结果(如“Pending”或“Failed”)发送 IPN。
检查“txn_id”是否未重复,以防止欺诈者重复使用旧的已 完成的交易。
验证“receiver_email”是已在您的PayPal账户中注册的电子邮件地址,以防止将付款发送到欺诈者的账 户 。
检查其他交易详情(如物品号和价格),以确认价格未改变完成了以上检查后,您可以使用 IPN 数据更新您的数据库,并处理购物。
如果收到“无效”通知,则应将其视为可疑通知,并应对其进行调查。
/** *处理返回信息的方法 */ public function notify(){ if ($this->user_id == false){ $this->redirect('user/login'); } $result = $_POST; $order_id = $result['item_number']; if ($order_id){ $order = D('order')->find($order_id); $this->assign('order_num',$order['order_num']); //1、先更新订单状态 if (($order['pay_status'] == 0) && ($result['payment_status'] == 'Completed') ){// 支付成功 $this->update_order($result); } //2、才能添加支付记录 if ($order['pay_status'] == 0){ $this->add_payment_logs($result); } } $this->assign('order_id',$order_id); $this->assign('payment_status',$result['payment_status']); $this->assign('payment_gross',$result['payment_gross']); $this->assign('seo_title','notify'); $this->display(); }
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