预签约

商户通过调用该接口可获取预签约号（“presign_token”），预签约号对应用户一次的签约信息，之后用户可以从商户小程序跳转到微信签约小程序时使用该预签约号进行签约

请求参数	类型	描述
json	object	声明请求的JSON数据结构
appid	string	服务商APPID
sub_mchid	string	子商户号
sub_appid	string	子商户APPID
openid	string	服务商APPID下的用户标识
sub_openid	string	子商户APPID下的用户标识
plan_id	string	签约模板号
user_id	string	用户账号
period_start_date	string	首次扣款日期
trade_scene	string	场景信息枚举

异步纯链式

$instance->v3->eduPapay->contracts->presign->postAsync([
  'json' => [
    'appid' => 'wx8888888888888888',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wx8888888888888888',
    'openid' => 'oUpF8uMuAJOM2pxb1Q',
    'sub_openid' => 'oUpF8uMuAJOM2pxb2W',
    'plan_id' => '101164396123311331',
    'user_id' => '20200330tony',
    'period_start_date' => '2020-03-19',
    'trade_scene' => 'EDUCATION_PERIOD',
  ],
])
->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/edu-papay/contracts/presign')->postAsync([
  'json' => [
    'appid' => 'wx8888888888888888',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wx8888888888888888',
    'openid' => 'oUpF8uMuAJOM2pxb1Q',
    'sub_openid' => 'oUpF8uMuAJOM2pxb2W',
    'plan_id' => '101164396123311331',
    'user_id' => '20200330tony',
    'period_start_date' => '2020-03-19',
    'trade_scene' => 'EDUCATION_PERIOD',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(json_decode((string) $response->getBody(), true));
})
->wait();

异步属性式

$instance['v3/edu-papay/contracts/presign']->postAsync([
  'json' => [
    'appid' => 'wx8888888888888888',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wx8888888888888888',
    'openid' => 'oUpF8uMuAJOM2pxb1Q',
    'sub_openid' => 'oUpF8uMuAJOM2pxb2W',
    'plan_id' => '101164396123311331',
    'user_id' => '20200330tony',
    'period_start_date' => '2020-03-19',
    'trade_scene' => 'EDUCATION_PERIOD',
  ],
])
->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->eduPapay->contracts->presign->post([
  'json' => [
    'appid' => 'wx8888888888888888',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wx8888888888888888',
    'openid' => 'oUpF8uMuAJOM2pxb1Q',
    'sub_openid' => 'oUpF8uMuAJOM2pxb2W',
    'plan_id' => '101164396123311331',
    'user_id' => '20200330tony',
    'period_start_date' => '2020-03-19',
    'trade_scene' => 'EDUCATION_PERIOD',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

同步声明式

$response = $instance->chain('v3/edu-papay/contracts/presign')->post([
  'json' => [
    'appid' => 'wx8888888888888888',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wx8888888888888888',
    'openid' => 'oUpF8uMuAJOM2pxb1Q',
    'sub_openid' => 'oUpF8uMuAJOM2pxb2W',
    'plan_id' => '101164396123311331',
    'user_id' => '20200330tony',
    'period_start_date' => '2020-03-19',
    'trade_scene' => 'EDUCATION_PERIOD',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

同步属性式

$response = $instance['v3/edu-papay/contracts/presign']->post([
  'json' => [
    'appid' => 'wx8888888888888888',
    'sub_mchid' => '1900000109',
    'sub_appid' => 'wx8888888888888888',
    'openid' => 'oUpF8uMuAJOM2pxb1Q',
    'sub_openid' => 'oUpF8uMuAJOM2pxb2W',
    'plan_id' => '101164396123311331',
    'user_id' => '20200330tony',
    'period_start_date' => '2020-03-19',
    'trade_scene' => 'EDUCATION_PERIOD',
  ],
]);
print_r(json_decode((string) $response->getBody(), true));

返回字典	类型	描述
presign_token	string	预签约号

参阅 官方文档