Laravel WeChat payment development example

composer require overtrue/laravel-wechat 2.1.*

'Wechat' => Overtrue\LaravelWechat\Facade::class

php artisan vendor:publish

<?php
  return [
      &#39;use_alias&#39; => env(&#39;WECHAT_USE_ALIAS&#39;, false),
      &#39;app_id&#39; => env(&#39;WECHAT_APPID&#39;, &#39;Your AppId&#39;), // 必填
      &#39;secret&#39; => env(&#39;WECHAT_SECRET&#39;, &#39;Your Secret&#39;), // 必填
      &#39;token&#39; => env(&#39;WECHAT_TOKEN&#39;, &#39;Your Token&#39;), // 必填
      &#39;encoding_key&#39; => env(&#39;WECHAT_ENCODING_KEY&#39;, &#39;Your Encoding AES Key&#39;) // 只有加密模式需要
  ];

<?php
use Overtrue\Wechat\Payment;  
use Overtrue\Wechat\Payment\Order;  
use Overtrue\Wechat\Payment\Business;  
use Overtrue\Wechat\Payment\UnifiedOrder;
/**   * 第 1 步：定义商户   */  
$business = new Business(      APP_ID,      APP_KEY,      MCH_ID,      MCH_KEY  );
/**   * 第 2 步：定义订单   */  
$order = new Order();  
$order->body = &#39;test body&#39;;  
$order->out_trade_no = md5(uniqid().microtime());  
$order->total_fee = &#39;1&#39;; // 单位为 “分”, 字符串类型  
$order->openid = OPEN_ID;  
$order->notify_url = &#39;http://xxx.com/wechat/payment/notify&#39;;
/**   * 第 3 步：统一下单   */  
$unifiedOrder = new UnifiedOrder($business, $order);
/**   * 第 4 步：生成支付配置文件   */  
$payment = new Payment($unifiedOrder);  
Javascript
var WXPayment = function() {      
if( typeof WeixinJSBridge === &#39;undefined&#39; ) {          
alert(&#39;请在微信在打开页面！&#39;);          
return false;      
}      
WeixinJSBridge.invoke(          &#39;getBrandWCPayRequest&#39;, <?php echo $payment->getConfig(); 
?>, 
function(res) {              
switch(res.err_msg) {                  
case &#39;get_brand_wcpay_request:cancel&#39;:                      
alert(&#39;用户取消支付！&#39;);                      
break;                  
case &#39;get_brand_wcpay_request:fail&#39;:                      
alert(&#39;支付失败！（&#39; res.err_desc &#39;）&#39;);                      
break;                  
case &#39;get_brand_wcpay_request:ok&#39;:                      
alert(&#39;支付成功！&#39;);                      
break;                  
default:                      
alert(JSON.stringify(res));                      
break;              
}          
}      
);  }  
HTML
<button type="button" onclick="WXPayment()">      
支付 ￥<?php 
echo ($order->total_fee / 100); 
?> 元  </button>

<?php
use Overtrue\Wechat\Payment\Notify;
$notify = new Notify(      APP_ID,      APP_KEY,      MCH_ID,      MCH_KEY  );
$transaction = $notify->verify();
if (!$transaction) {      $notify->reply(&#39;FAIL&#39;, &#39;verify transaction error&#39;);  }
// var_dump($transaction);
echo $notify->reply();

WECHAT_USE_ALIAS=false
  WECHAT_APPID=xxx
  WECHAT_SECRET=xxx
  WECHAT_TOKEN=xxx
  WECHAT_ENCODING_KEY=xxx

$app->configure('wechat');