"# laravel-pay", (*1)
install
composer require julong/pay   
composer require julong/laravel-pay  
php artisan vendor:publish  
config
edit config/app.php
add aliases
'pay' => Julong\LaravelPay\Facades\pay::class ,
providers
\Julong\LaravelPay\PayServiceProvider::class , 
edit config/pay.php  
  此处配置请自行修改, (*2)
Use  
write in your controller
//setParam($subject="test",$total_amount =  "0.01",$body= "购买测试商品0.01元",$timeout_express = "1m"), (*3)
$alipay = Pay::alipay();   
$content = $alipay->setParam()->toPay();   
echo $content;   
return_url
use
$alipay = Pay::alipay();   
$res = $alipay->returnUrl();   
return
  return [
      'out_trade_no'=>'',//商户订单号
      'trade_no'=>'',//支付宝交易号
      ];
notify_url    
use
$alipay = Pay::alipay();   
$res = $alipay->checkSyncPay();   
return
 return [  
      'out_trade_no'=>'',//商户订单号  
      'trade_no'=>'',//支付宝交易号  
      'trade_status'=>'',//交易状态  
    ];    
wechatpay  
use
pay
$payModel = Pay::wechat()
                     ->setParam(
                      100,
                      date('YmdHis')
                     )->toPay();
 echo ($payModel);
/**
 * function setParam
 * @param string $total_fee 总金额(元)
 * @param string $out_trade_no 订单号
 * @param string $body 标题如 武汉光谷-周黑鸭
 * @param string $redirectUrl 支付完成同步跳转路径
 * @param string $timeout_express 订单过期时间如201802202359
 * @param string $fee_type 默认CNY
 * @param string $attach 附加数据如 武汉光谷分店
 * @param string $trade_type 默认MWEB
 * @param string $detail  订单详情默认空
 * @param string $device_info 设备号默认空
 * @return $this
 */
check
$out_trade_no = 201802212359;
$payModel = Pay::wechat()->toCheck($out_trade_no);