前言

WooCommerce是一款免费的WordPress电子商务插件，可帮助你在网上快速建立一个强大的商店。它可以帮助你控制收银、处理订单、支持付款和购物车、建立商品目录以及使用不同的运费和税率等等。此外，它还可以集成到各种支付系统，有助于将你的商店扩展到全球市场。

代码

签名

                        //排序
                        ksort($Body);
                        reset($Body);

                        //待签名字符串拼接
                        $unsign_str = "";
                        foreach ($Body as $k => $v){
                                $unsign_str = $unsign_str . $k . '=' . $v . '&';
                        }
                        $unsign_str = substr($unsign_str, 0, -1).$this -> mzfpay_paykey;
                        #签名
                        $clientSign = md5($unsign_str);

页面跳转方式

                        $fieldsString = http_build_query($Body);

                        //挂载自定义js
                        wc_enqueue_js('
                                setInterval(function(){
                                        $.blockUI({
                                                message: "' . esc_js(__('Thank you for your order. We are now redirecting you to rapay to make payment.', 'mzfpay-for-woocommerce')) . '",
                                                baseZ: 99999,
                                                overlayCSS:
                                                {
                                                        background: "#fff",
                                                        opacity: 0.6
                                                },
                                                css:
                                                {
                                                        padding:        "20px",
                                                        zindex:         "9999999",
                                                        textAlign:      "center",
                                                        color:          "#555",
                                                        border:         "3px solid #aaa",
                                                        backgroundColor:"#fff",
                                                        cursor:         "wait",
                                                        lineHeight:     "24px",
                                                }
                                        });
                                        var start = new Date().getTime();
                                        while (new Date().getTime() < start + 1000);
                                        document.getElementById("submit_mzfpay_payment_button").click();
                                },1000);
                        ');

                        //返回值
                        return
                                '<div>'."\n".
                                        '<a class="button alt" id="submit_mzfpay_payment_button" href="' . $this->mzfpay_api . '?' . $fieldsString .'">'.__('Pay Now', 'superxpay-rapay-for-woocommerce').'</a>'."\n".
                                        '<a class="button cancel" href="'.$order->get_cancel_order_url().'">'.__('Cancel', 'superxpay-rapay-for-woocommerce').'</a>'."\n".
                                '</div>'
                        ;

api接口方式

                        //构建提交变量
                        $args = array(
                                'headers'     => array( 'Content-Type' => 'application/json', 'charset' => 'utf-8' ),
                                'timeout'     => 45,
                                'redirection' => 5,
                                'httpversion' => '1.0',
                                'blocking'    => true,
                                'body'        => json_encode($Body),
                        );

                        $postRequest = wp_remote_post($this->yzfpay_api, $args);

                        if ($postRequest['response']['code'] === 200) {
                                $result = json_decode($postRequest['body'], true, 512, JSON_BIGINT_AS_STRING);
                        } else {
                                throw new Exception("Unable to reach Viva Payments (" . $postRequest['response']['message'] . ")");
                        }

                        //打印返回值
                        //error_log(__METHOD__ . PHP_EOL .print_r($result, true));

                        if ($result['code'] === 1) {
                                $TradeNo = $result['trade_no'];
                                $PayUrl = $result['h5_qrurl'];
                        } else {
                                throw new Exception("Unable to create order code (" . $result['msg'] . ")");
                        }

                        return
                                '<span>Scan the QR code to complete the payment</span>'.
                                '<div>'.
                                    '<img src="http://chart.apis.google.com/chart?chs=150x150&cht=qr&chld=L|0&chl='.rawurlencode($PayUrl).'" alt="QR code" widhtHeight="150" widhtHeight="150"/>'.
                                '</div>'.
                                '<div>'.
                                    '<a class="button alt" id="submit_uepay_payment_button" href="'.$return_url.'">'.__('Pay Completed', 'uepay-for-woocommerce').'</a>'.
                                    '<a class="button cancel" href="'.$order->get_cancel_order_url().'">'.__('Cancel', 'uepay-for-woocommerce').'</a>'.
                                '</div>';