[图片] [图片] api加密签名后得到错误，但是本人的过程没有错误，如何查看错在哪里

https://mp.weixin.qq.com/wxamp/apiSecret [图片] [图片] [图片]

https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/getting_started/api_signature.html 你们官方示例中用了私钥，mp后台配置只有公钥，那私钥从哪里冒出来。 [图片][图片] [图片]

const cipher = crypto.createCipheriv("aes-256-gcm", real_key, real_iv) cipher.setAAD(real_aad) let cipher_update = cipher.update(real_plaintext) let cipher_final = cipher.final() const real_ciphertext = Buffer.concat([cipher_update, cipher_final]) const real_authTag = cipher.getAuthTag() shs上面这段node.js代码变成php改怎么写啊。自己试了下是错误的，如标红的地方     public function test()     {         $ctx = array(             "local_sym_key" => "otUpngOjU+nVQaWJIC3D/yMLV17RKaP6t4Ot9tbnzLY=",             "local_sym_sn" => "fa05fe1e5bcc79b81ad5ad4b58acf787",             "local_appid" => "wxba6223c06417af7b",             "url_path" => "https://api.weixin.qq.com/wxa/getuserriskrank"         );         $req = array(             "appid" => "wxba6223c06417af7b",             "openid" => "oEWzBfmdLqhFS2mTXCo2E4Y9gJAM",             "scene" => 0,             "client_ip" => "127.0.0.1",         );         $local_ts = floor(time());         $nonce = str_replace("=", "",base64_encode(random_bytes(16)));         $reqex = array(             "_n" => $nonce,             "_appid" => $ctx['local_appid'],             "_timestamp" =>$local_ts         );                 $real_req             = array_merge($reqex, $req);         $plaintext            = json_encode($real_req);         $aad                  = $ctx['url_path'].'|'.$ctx['local_appid'].'|'.$local_ts.'|'.$ctx['local_sym_sn'];         $real_key             = base64_decode($ctx['local_sym_key']);         $real_iv              = random_bytes(12);         $real_aad             = utf8_decode($aad);         $real_plaintext       = utf8_decode($plaintext);         $ciphertext           = openssl_encrypt($real_plaintext, 'aes-256-gcm', $real_key, $options=0, $real_iv, $tag);         $iv = base64_encode($real_iv);         $data = base64_encode($real_plaintext.$ciphertext);         $authtag = base64_encode($ciphertext->getAuthTag());         $req_data = [$iv, $data, $authtag];         $new_req = array(                 "req_ts" => $local_ts,                 "req_data" => json_encode($req_data)             );         return $new_req;     }

https://developers.weixin.qq.com/miniprogram/dev/OpenApiDoc/getting_started/api_signature.html

用户在小程序支付成功后，商家如何收到支付成功消息，提示发货？小程序后台可以提示吗

https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/industry/express/business/intracity_service.html

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拿到图片二进制，转不成图片，狗日的智障腾讯又把这个函数废弃了，使用就会报错，网上查了好多自己转换的都不能用。

百度很多人都遇到这个天坑，搞了一天没搞好，在小程序后台设置了服务器的白名单也没用 [图片] [图片]