服务商模式小程序场景预签约

服务商从商户小程序拉起微信签约小程序发起签约前，需先后台调用预签约接口完成预签约，获取预签约ID，再拉起微信签约小程序；用户完成签约授权后，再返回商户小程序。 注意 用户在微信的页面中完成免密支付签约后，微信会同时将签约信息通过异步通知的方式通知给商户后台。 如果用户放弃签约或签约失败则不通知; 商户获取的签约会话有效期为2小时。

请求参数	类型	描述
json	object	声明请求的JSON数据结构
sp_appid	string	商户AppID
sp_openid	string	用户标识
sub_mchid	string	子商户号
sub_appid	string	子商户AppID
sub_openid	string	用户子标识
service_id	number	免密支付服务ID
out_contract_code	string	商户签约协议号
notify_url	string	回调通知地址
contract_display_account	string	用户账户展示名称

异步纯链式

$instance->v3->passwordExemptContract->contracts->serviceProvider->preEntrustSign->miniProgram->postAsync([
  'json' => [
    'sp_appid' => 'wxd678efh567hg6787',
    'sp_openid' => 'oYobu0MVnQfWpSMOYJz2AHPG_gQw',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wxd678efh567hg6787',
    'sub_openid' => 'wxd678efh567hg6787',
    'service_id' => 12535,
    'out_contract_code' => 'wxwtdk20200910100000',
    'notify_url' => 'https://yourapp.com/notify',
    'contract_display_account' => '微信代扣用户A',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(json_decode((string) $response->getBody(), true));
})
->wait();

异步声明式

$instance->chain('v3/password-exempt-contract/contracts/service-provider/pre-entrust-sign/mini-program')->postAsync([
  'json' => [
    'sp_appid' => 'wxd678efh567hg6787',
    'sp_openid' => 'oYobu0MVnQfWpSMOYJz2AHPG_gQw',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wxd678efh567hg6787',
    'sub_openid' => 'wxd678efh567hg6787',
    'service_id' => 12535,
    'out_contract_code' => 'wxwtdk20200910100000',
    'notify_url' => 'https://yourapp.com/notify',
    'contract_display_account' => '微信代扣用户A',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(json_decode((string) $response->getBody(), true));
})
->wait();

异步属性式

$instance['v3/password-exempt-contract/contracts/service-provider/pre-entrust-sign/mini-program']->postAsync([
  'json' => [
    'sp_appid' => 'wxd678efh567hg6787',
    'sp_openid' => 'oYobu0MVnQfWpSMOYJz2AHPG_gQw',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wxd678efh567hg6787',
    'sub_openid' => 'wxd678efh567hg6787',
    'service_id' => 12535,
    'out_contract_code' => 'wxwtdk20200910100000',
    'notify_url' => 'https://yourapp.com/notify',
    'contract_display_account' => '微信代扣用户A',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(json_decode((string) $response->getBody(), true));
})
->wait();

同步纯链式

$response = $instance->v3->passwordExemptContract->contracts->serviceProvider->preEntrustSign->miniProgram->post([
  'json' => [
    'sp_appid' => 'wxd678efh567hg6787',
    'sp_openid' => 'oYobu0MVnQfWpSMOYJz2AHPG_gQw',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wxd678efh567hg6787',
    'sub_openid' => 'wxd678efh567hg6787',
    'service_id' => 12535,
    'out_contract_code' => 'wxwtdk20200910100000',
    'notify_url' => 'https://yourapp.com/notify',
    'contract_display_account' => '微信代扣用户A',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

同步声明式

$response = $instance->chain('v3/password-exempt-contract/contracts/service-provider/pre-entrust-sign/mini-program')->post([
  'json' => [
    'sp_appid' => 'wxd678efh567hg6787',
    'sp_openid' => 'oYobu0MVnQfWpSMOYJz2AHPG_gQw',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wxd678efh567hg6787',
    'sub_openid' => 'wxd678efh567hg6787',
    'service_id' => 12535,
    'out_contract_code' => 'wxwtdk20200910100000',
    'notify_url' => 'https://yourapp.com/notify',
    'contract_display_account' => '微信代扣用户A',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

同步属性式

$response = $instance['v3/password-exempt-contract/contracts/service-provider/pre-entrust-sign/mini-program']->post([
  'json' => [
    'sp_appid' => 'wxd678efh567hg6787',
    'sp_openid' => 'oYobu0MVnQfWpSMOYJz2AHPG_gQw',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wxd678efh567hg6787',
    'sub_openid' => 'wxd678efh567hg6787',
    'service_id' => 12535,
    'out_contract_code' => 'wxwtdk20200910100000',
    'notify_url' => 'https://yourapp.com/notify',
    'contract_display_account' => '微信代扣用户A',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

返回字典	类型	描述
pre_entrustweb_id	string	预签约ID
mchid	string	商户号
sub_mchid	string	子商户号
service_id	number	免密支付服务ID
out_contract_code	string	商户签约协议号
sign_mp_appid	string	跳转签约的小程序AppID
sign_mp_path	string	跳转签约的小程序路径

参阅 官方文档