WordPress で WeChat 決済を実装する方法

"require": {
    "omnipay/omnipay": "~2.0",
    "lokielse/omnipay-wechatpay": "^1.0",
    "thefold/wordpress-dispatcher": "^1.0",
    "vlucas/valitron": "^1.2",
    },

require_once( get_template_directory() . '/vendor/autoload.php' );

require_once( get_template_directory() . '/inc/jssdk.php' );
$jssdk       = new JSSDK( "xxxxx", "xxxxxxxxxxxxxxxx" );
$signPackage = $jssdk->GetSignPackage();

jQuery(document).ready(function ($) {
    
   // 配置 js sdk
   wx.config({
      debug: false,
      appId: &#39;<?php echo $signPackage[ "appId" ];?>&#39;,
      timestamp: <?php echo $signPackage[ "timestamp" ];?>,
      nonceStr: &#39;<?php echo $signPackage[ "nonceStr" ];?>&#39;,
      signature: &#39;<?php echo $signPackage[ "signature" ];?>&#39;,
      jsApiList: [&#39;chooseWXPay&#39;]
      // 这里的 jsApiList 需要什么就填写什么
   });

   // 一定要检查 js sdk 是否已经准备好了
   wx.ready(function () {
      $("#topay").click(function () {
         $.ajax({
            url: &#39;/order/&#39;,
            type: &#39;POST&#39;,
            dataType: &#39;json&#39;,
            data: $("#wepay").serialize(),
            success: function (order) {
               var params = {
                  &#39;timestamp&#39;: order.timeStamp,
                  &#39;nonceStr&#39;: order.nonceStr,
                  &#39;package&#39;: order.package,
                  &#39;signType&#39;: order.signType,
                  &#39;paySign&#39;: order.paySign               };
               wx.chooseWXPay(params);
            },
            error: function (order) {
               c-alert(order.message);
            }
         });
         return false;
      });
   });});

// 获取微信支付网关的函数function get_wechat_gateway() {
   $gateway = Omnipay::create( 'WechatPay_Js' );
   $gateway->setAppId( ' xxxxxxxx' );
   $gateway->setMchId( 'xxxxxxxx' );
   $gateway->setApiKey( 'xxxxxxxx' ); //注意这里的 ApiKey 是我们在微信商户后台设置的一个32位的随机字符串，和微信公众号里面的 App Secrit 不是一回事。

   return $gateway;}/**
 * 处理订单信息, 跳转到微信支付
 */new Dispatch( [

   'wepay/order' => function ( $request ) {

      // 检查用户提交的数据是否有错，如果有错误，返回错误信息
      $v = new Validator( $_POST );
      $v->rule( 'required', [ 'count', 'buyer_name', 'buyer_phone', 'buyer_address' ] );

      if ( ! $v->validate() ) {
         $msg = [
            'success' => '0',
            'message' => '下单失败, 请检查所有必填项。',
         ];
         wp_send_json( $msg );
      }

      $user = wp_get_current_user();
      $req = Request::createFromGlobals();
      $pid     = $req->get( 'pid' );
      $count   = $req->get( 'count' );
      $open_id = $req->cookies->get( 'open_id' );
      $prod  = get_post( $pid );
      $price = get_post_meta( $pid, '_prod_price', true );
      $total_fee = $price * $count * 100;
      $tn        = date( 'YmdHis' ) . mt_rand( 1000, 9999 );

      // 在实际开发过程中，我们需要把用户提交的订单数据保存到数据库一份
      // 订单参数
      $order = [
         'body'             => $prod->post_title',
         'out_trade_no'     => $tn,
         'total_fee'        => $total_fee,
         'spbill_create_ip' => wizhi_get_real_ip(),
         'fee_type'         => 'CNY',
         'open_id'          => $open_id,
      ];
      // 发送支付请求到微信并获取返回信息
      $gateway = get_wechat_gateway();
      $gateway->setNotifyUrl( 'https://www.wpzhiku.com/order/return' );
      $response = $gateway->purchase( $order )->send();
      $wechat_return = $response->getJsOrderData();

      wp_send_json( $wechat_return );

   },] );