public function pay(){ 
  //商戶基本信息,可以寫死在WxPay.Config.php里面，其他詳細參考WxPayConfig.php     
  vendor('Pay.JSAPI'); 
  $tools = new \JsApiPay(); 
  $openid = $tools->GetOpenid(); 
  $Out_trade_no=date('YHis').rand(100,1000); 
  $Total_fee='測試'; 
  $Body='啥也不說'; 
  $Total_fee=1; 
  $input = new \WxPayUnifiedOrder(); 
  $input->SetBody($Body); 
  $input->SetOut_trade_no($Out_trade_no); 
  $input->SetTotal_fee($Total_fee); 
  $input->SetNotify_url("http://xx.xxx.com/pay/notify.php"); 
  $input->SetTrade_type("JSAPI"); 
  $input->SetOpenid($openId); 
  $order = \WxPayApi::unifiedOrder($input); 
  $this->jsApiParameters = $tools->GetJsApiParameters($order); 
  $this->display(); 
}

HTML端代碼

<!doctype html> 
<head> 
  <meta charset="UTF-8"> 
  <title>微信安全支付</title> 
  <meta name="keywords" content="" /> 
  <meta name="HandheldFriendly" content="True"> 
  <meta name="MobileOptimized" content="320"> 
  <meta name="format-detection" content="telephone=no"> 
  <meta http-equiv="Cache-Control" content="no-cache, no-store, must-revalidate" /> 
  <meta http-equiv="Pragma" content="no-cache" /> 
  <meta http-equiv="Expires" content="0" /> 
  <meta http-equiv="cleartype" content="on"> 
  <meta id="viewport" name="viewport" content="width=320, initial-scale=1.0,maximum-scale=1.0, user-scalable=0," /> 
  <script type="text/javascript"> 
    //調用微信JS api 支付 
    function jsApiCall() 
    { 
      WeixinJSBridge.invoke( 
        'getBrandWCPayRequest', 
        {$jsApiParameters}, 
        function(res){ 
          WeixinJSBridge.log(res.err_msg); 
          if(res.err_msg == 'get_brand_wcpay_request:cancel') { 
            alert("您已取消了此次支付"); 
            return; 
          } else if(res.err_msg == 'get_brand_wcpay_request:fail') { 
            alert("支付失敗"); 
            return; 
          } else if(res.err_msg == 'get_brand_wcpay_request:ok') { 
          alert("支付成功！");//跳轉到訂單頁面 
           
        } else { 
          alert("未知錯誤"+res.error_msg); 
          return; 
        } 
      } 
      ); 
    } 
    function callpay() 
    { 
      if (typeof WeixinJSBridge == "undefined"){ 
        if( document.addEventListener ){ 
          document.addEventListener('WeixinJSBridgeReady', jsApiCall, false); 
        }else if (document.attachEvent){ 
          document.attachEvent('WeixinJSBridgeReady', jsApiCall);  
          document.attachEvent('onWeixinJSBridgeReady', jsApiCall); 
        } 
      }else{ 
        jsApiCall(); 
      } 
    } 
  </script> 
</head> 
<body> 
  <button type="button" class="btn btn-danger btn-lg btn-block" onclick="callpay()"> 
    確認支付 
  </button> 
</body> 
</html>

就這么簡單。

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持腳本之家。

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