WEB预签约

该方式适用于PC等使用浏览器的设备场景使用微信签约扣款。商户在网站后端通过微信支付WEB签约接口获取到签约链接，在网站前端将签约链接生成二维码，引导用户扫码识别该链接，用户访问该链接进入代扣签约页面；用户签约完成后留在微信。WEB 端等待签约回调通知，或者定时轮询查询用户签约状态，更新页面内容。

请求参数	类型	描述
base_uri	string	声明接入点https://apihk.mch.weixin.qq.com/(香港接入)
json	object	声明请求的JSON数据结构
appid	string	机构APPID
sub_mchid	string	子商户号
sp_appid	string	机构appid
sp_mchid	string	机构商户号
sub_appid	string	子商户应用ID
plan_id	integer	模板ID
out_contract_code	string	商户侧签约协议号
user_display_name	string	用户账户展示名称
success_notify_url	string	签约成功通知url
expired_time	string	过期时间

异步纯链式

$instance->v3->global->papay->contracts->webPreEntrustSign->postAsync([
  'base_uri' => 'https://apihk.mch.weixin.qq.com/', // 接入点(香港接入)
  'json' => [
    'appid' => 'wxd678efh567hg6787',
    'sub_mchid' => '1230000109',
    'sp_appid' => 'wx8888888888888888',
    'sp_mchid' => '3200000001',
    'sub_appid' => 'wxcbda96de0b165484',
    'plan_id' => 123,
    'out_contract_code' => '100001256',
    'user_display_name' => '张三',
    'success_notify_url' => 'https://pay.weixin.qq.com',
    'expired_time' => '2021-11-20T13:29:35+08:00',
  ],
])
->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/global/papay/contracts/web-pre-entrust-sign')->postAsync([
  'base_uri' => 'https://apihk.mch.weixin.qq.com/', // 接入点(香港接入)
  'json' => [
    'appid' => 'wxd678efh567hg6787',
    'sub_mchid' => '1230000109',
    'sp_appid' => 'wx8888888888888888',
    'sp_mchid' => '3200000001',
    'sub_appid' => 'wxcbda96de0b165484',
    'plan_id' => 123,
    'out_contract_code' => '100001256',
    'user_display_name' => '张三',
    'success_notify_url' => 'https://pay.weixin.qq.com',
    'expired_time' => '2021-11-20T13:29:35+08:00',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(json_decode((string) $response->getBody(), true));
})
->wait();

异步属性式

$instance['v3/global/papay/contracts/web-pre-entrust-sign']->postAsync([
  'base_uri' => 'https://apihk.mch.weixin.qq.com/', // 接入点(香港接入)
  'json' => [
    'appid' => 'wxd678efh567hg6787',
    'sub_mchid' => '1230000109',
    'sp_appid' => 'wx8888888888888888',
    'sp_mchid' => '3200000001',
    'sub_appid' => 'wxcbda96de0b165484',
    'plan_id' => 123,
    'out_contract_code' => '100001256',
    'user_display_name' => '张三',
    'success_notify_url' => 'https://pay.weixin.qq.com',
    'expired_time' => '2021-11-20T13:29:35+08:00',
  ],
])
->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->global->papay->contracts->webPreEntrustSign->post([
  'base_uri' => 'https://apihk.mch.weixin.qq.com/', // 接入点(香港接入)
  'json' => [
    'appid' => 'wxd678efh567hg6787',
    'sub_mchid' => '1230000109',
    'sp_appid' => 'wx8888888888888888',
    'sp_mchid' => '3200000001',
    'sub_appid' => 'wxcbda96de0b165484',
    'plan_id' => 123,
    'out_contract_code' => '100001256',
    'user_display_name' => '张三',
    'success_notify_url' => 'https://pay.weixin.qq.com',
    'expired_time' => '2021-11-20T13:29:35+08:00',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

同步声明式

$response = $instance->chain('v3/global/papay/contracts/web-pre-entrust-sign')->post([
  'base_uri' => 'https://apihk.mch.weixin.qq.com/', // 接入点(香港接入)
  'json' => [
    'appid' => 'wxd678efh567hg6787',
    'sub_mchid' => '1230000109',
    'sp_appid' => 'wx8888888888888888',
    'sp_mchid' => '3200000001',
    'sub_appid' => 'wxcbda96de0b165484',
    'plan_id' => 123,
    'out_contract_code' => '100001256',
    'user_display_name' => '张三',
    'success_notify_url' => 'https://pay.weixin.qq.com',
    'expired_time' => '2021-11-20T13:29:35+08:00',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

同步属性式

$response = $instance['v3/global/papay/contracts/web-pre-entrust-sign']->post([
  'base_uri' => 'https://apihk.mch.weixin.qq.com/', // 接入点(香港接入)
  'json' => [
    'appid' => 'wxd678efh567hg6787',
    'sub_mchid' => '1230000109',
    'sp_appid' => 'wx8888888888888888',
    'sp_mchid' => '3200000001',
    'sub_appid' => 'wxcbda96de0b165484',
    'plan_id' => 123,
    'out_contract_code' => '100001256',
    'user_display_name' => '张三',
    'success_notify_url' => 'https://pay.weixin.qq.com',
    'expired_time' => '2021-11-20T13:29:35+08:00',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

返回字典	类型	描述
sign_url	string	签约跳转URL

参阅 官方文档