汇率查询

商户网站的商品以外币标价时，通过该接口可以实时查询到微信使用的转换汇率。汇率更新时间为北京时间上午10:00，一天更新一次。

请求参数	类型	描述
xml	object	声明请求的XML数据结构
appid	string	公众账号ID
mch_id	string	商户号
fee_type	string	币种
date	string	日期
nonceless	boolean	声明请求的XML无随机字符串参数 固定值true

异步纯链式

$instance->v2->pay->queryexchagerate->postAsync([
  'xml' => [
    'appid' => 'wxd678efh567hg6787',
    'mch_id' => '1230000109',
    'fee_type' => 'USD',
    'date' => '20150807',
  ],
  'nonceless' => true,
])
->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/pay/queryexchagerate')->postAsync([
  'xml' => [
    'appid' => 'wxd678efh567hg6787',
    'mch_id' => '1230000109',
    'fee_type' => 'USD',
    'date' => '20150807',
  ],
  'nonceless' => true,
])
->then(static function(\Psr\Http\Message\ResponseInterface $response) {
  print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));
})
->wait();

异步属性式

$instance['v2/pay/queryexchagerate']->postAsync([
  'xml' => [
    'appid' => 'wxd678efh567hg6787',
    'mch_id' => '1230000109',
    'fee_type' => 'USD',
    'date' => '20150807',
  ],
  'nonceless' => true,
])
->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->pay->queryexchagerate->post([
  'xml' => [
    'appid' => 'wxd678efh567hg6787',
    'mch_id' => '1230000109',
    'fee_type' => 'USD',
    'date' => '20150807',
  ],
  'nonceless' => true,
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

同步声明式

$response = $instance->chain('v2/pay/queryexchagerate')->post([
  'xml' => [
    'appid' => 'wxd678efh567hg6787',
    'mch_id' => '1230000109',
    'fee_type' => 'USD',
    'date' => '20150807',
  ],
  'nonceless' => true,
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

同步属性式

$response = $instance['v2/pay/queryexchagerate']->post([
  'xml' => [
    'appid' => 'wxd678efh567hg6787',
    'mch_id' => '1230000109',
    'fee_type' => 'USD',
    'date' => '20150807',
  ],
  'nonceless' => true,
]);
print_r(\WeChatPay\Transformer::toArray((string) $response->getBody()));

返回字典	类型	描述
return_code	string	返回状态码
return_msg	string	返回信息
appid	string	公众账号ID
mch_id	string	商户号
sub_mch_id	string	子商户号
fee_type	string	币种
rate_time	string	汇率时间
rate	string	现汇卖出价(汇率)
sign	string	签名

参阅 官方文档