APP纯签约

外部App拉起微信客户端发起签约前，需先后台调用预签约接口完成预签约，获取pre_entrustweb_id，再拉起微信客户端，完成签约，返回App。

请求参数	类型	描述
nonceless	true	声明请求的XML无随机字符串参数
xml	object	声明请求的XML数据结构
appid	string	应用ID
mch_id	string	商户号
sub_appid	string	子商户应用ID
sub_mch_id	string	子商户号
plan_id	string	模板id
contract_code	string	签约协议号
request_serial	integer	请求序列号
contract_display_account	string	用户账户展示名称
notify_url	string	回调通知url
version	string	版本号 1.0 枚举值
sign_type	string	签名类型 MD5 | HMAC-SHA256 枚举值之一
timestamp	string	时间戳
return_app	string	返回app Y | N 枚举值之一

异步纯链式

$instance->v2->papay->preentrustweb->postAsync([
  'nonceless' => true,
  'xml' => [
    'appid'                    => 'wxcbda96de0b165486',
    'mch_id'                   => '1200009811',
    'sub_appid'                => 'wxcbda96de0b165489',
    'sub_mch_id'               => '1900000109',
    'plan_id'                  => '12535',
    'contract_code'            => '100000',
    'request_serial'           => '1000',
    'contract_display_account' => '微信代扣',
    'notify_url'               => '',
    'version'                  => '1.0',
    'sign_type'                => 'MD5',
    'timestamp'                => '1414488825',
    'return_app'               => 'Y',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

异步声明式

$instance->chain('v2/papay/preentrustweb')->postAsync([
  'nonceless' => true,
  'xml' => [
    'appid'                    => 'wxcbda96de0b165486',
    'mch_id'                   => '1200009811',
    'sub_appid'                => 'wxcbda96de0b165489',
    'sub_mch_id'               => '1900000109',
    'plan_id'                  => '12535',
    'contract_code'            => '100000',
    'request_serial'           => '1000',
    'contract_display_account' => '微信代扣',
    'notify_url'               => '',
    'version'                  => '1.0',
    'sign_type'                => 'MD5',
    'timestamp'                => '1414488825',
    'return_app'               => 'Y',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

异步属性式

$instance['v2/papay/preentrustweb']->postAsync([
  'nonceless' => true,
  'xml' => [
    'appid'                    => 'wxcbda96de0b165486',
    'mch_id'                   => '1200009811',
    'sub_appid'                => 'wxcbda96de0b165489',
    'sub_mch_id'               => '1900000109',
    'plan_id'                  => '12535',
    'contract_code'            => '100000',
    'request_serial'           => '1000',
    'contract_display_account' => '微信代扣',
    'notify_url'               => '',
    'version'                  => '1.0',
    'sign_type'                => 'MD5',
    'timestamp'                => '1414488825',
    'return_app'               => 'Y',
  ],
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

同步纯链式

$response = $instance->v2->papay->preentrustweb->post([
  'nonceless' => true,
  'xml' => [
    'appid'                    => 'wxcbda96de0b165486',
    'mch_id'                   => '1200009811',
    'sub_appid'                => 'wxcbda96de0b165489',
    'sub_mch_id'               => '1900000109',
    'plan_id'                  => '12535',
    'contract_code'            => '100000',
    'request_serial'           => '1000',
    'contract_display_account' => '微信代扣',
    'notify_url'               => '',
    'version'                  => '1.0',
    'sign_type'                => 'MD5',
    'timestamp'                => '1414488825',
    'return_app'               => 'Y',
  ],
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

同步声明式

$response = $instance->chain('v2/papay/preentrustweb')->post([
  'nonceless' => true,
  'xml' => [
    'appid'                    => 'wxcbda96de0b165486',
    'mch_id'                   => '1200009811',
    'sub_appid'                => 'wxcbda96de0b165489',
    'sub_mch_id'               => '1900000109',
    'plan_id'                  => '12535',
    'contract_code'            => '100000',
    'request_serial'           => '1000',
    'contract_display_account' => '微信代扣',
    'notify_url'               => '',
    'version'                  => '1.0',
    'sign_type'                => 'MD5',
    'timestamp'                => '1414488825',
    'return_app'               => 'Y',
  ],
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

同步属性式

$response = $instance['v2/papay/preentrustweb']->post([
  'nonceless' => true,
  'xml' => [
    'appid'                    => 'wxcbda96de0b165486',
    'mch_id'                   => '1200009811',
    'sub_appid'                => 'wxcbda96de0b165489',
    'sub_mch_id'               => '1900000109',
    'plan_id'                  => '12535',
    'contract_code'            => '100000',
    'request_serial'           => '1000',
    'contract_display_account' => '微信代扣',
    'notify_url'               => '',
    'version'                  => '1.0',
    'sign_type'                => 'MD5',
    'timestamp'                => '1414488825',
    'return_app'               => 'Y',
  ],
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

返回字典	类型	描述
return_code	string	返回状态码 SUCCESS | FAIL 枚举值之一
return_msg	string	返回信息
result_code	string	业务结果 SUCCESS | FAIL 枚举值之一
err_code	string	错误代码
err_code_des	string	错误代码描述
appid	string	请求appid
mch_id	string	商户号
nonce_str	string	随机字符串
sign	string	签名
pre_entrustweb_id	string	预签约id

参阅 官方文档