/**
* 构造方法
*/
public function __construct(Bag $bag, $key)
{
if (!$bag->has('trade_type')) {
$bag->set('trade_type', 'JSAPI');
}
if (!$bag->has('nonce_str')) {
$bag->set('nonce_str', Util::randomString());
}
if (!$bag->has('spbill_create_ip')) {
$bag->set('spbill_create_ip', Util::getClientIp());
}
// 检测必填字段
foreach ($this->required as $paramName) {
if (!$bag->has($paramName)) {
throw new PaymentException(sprintf('"%s" is required', $paramName));
}
}
// trade_type 为 JSAPI 时，必需包含 Openid
if ($bag->get('trade_type') === 'JSAPI') {
if (!$bag->has($paramName)) {
throw new PaymentException('"Openid" is required');
}
}
$this->bag = $bag;
$this->key = $key;
}
/**
* 获取二维码支付地址（模式 1）
*/
public static function getForeverPayurl(Bag $bag, $key)
{
if (!$bag->has('time_stamp')) {
$bag->set('time_stamp', time());
}
if (!$bag->has('nonce_str')) {
$bag->set('nonce_str', Util::randomString());
}
$requireds = array('appid', 'mch_id', 'time_stamp', 'nonce_str', 'product_id');
foreach ($requireds as $property) {
if (!$bag->has($property)) {
exit(sprintf('"%s" is required', $property));
}
}
foreach ($bag as $property => $value) {
if (!in_array($property, $requireds)) {
exit(sprintf('Invalid argument "%s"', $property));
}
}
$signGenerator = new SignGenerator($bag);
$signGenerator->onSortAfter(function ($bag) use($key) {
$bag->set('key', $key);
});
$bag->set('sign', $signGenerator->getResult());
$bag->remove('key');
$query = http_build_query($bag->all());
return 'weixin://wxpay/bizpayurl?' . urlencode($query);
}
/**
* 构造方法
*/
public function __construct(Bag $bag, $key)
{
// 检测必填字段
foreach ($this->required as $paramName) {
if (!$bag->has($paramName)) {
throw new PaymentException(sprintf('"%s" is required', $paramName));
}
}
// 生成签名
$signGenerator = new SignGenerator($bag);
$signGenerator->onSortAfter(function ($that) use($key) {
$that->set('key', $key);
});
$bag->set('sign', $signGenerator->getResult());
$bag->remove('key');
$this->bag = $bag;
}