/**
* 获取用户授权后回调页面根据获取到的code，获取用户信息
* 注：本函数将获取access_token和拉取用户信息集成在了一起，未对获取到的access_token进行保存
*
* Examples:
* ```
* $api->get_userinfo_by_authorize('snsapi_base', $_GET['code']);
* $api->get_userinfo_by_authorize('snsapi_userinfo', $_GET['code']);
* ```
*
* @param $scope `get_authorize_url`时使用的授权类型
* @param string $lang 可选，返回国家地区语言版本，zh_CN 简体，zh_TW 繁体，en 英语
*
* @return array|object
*/
public function get_userinfo_by_authorize($scope, $lang = 'zh_CN')
{
if (isset($_GET['code']) && !empty($_GET['code'])) {
$code = $_GET['code'];
// 1. 通过code换取网页授权access_token
$url = self::API_DOMAIN . 'sns/oauth2/access_token?appid=' . $this->appId . '&secret=' . $this->appSecret . '&code=' . $code . '&grant_type=authorization_code';
$res = HttpCurl::get($url, 'json');
// 异常处理: 获取时网络错误
if ($res === false) {
return Error::code('ERR_POST');
}
// 判断是否调用成功
if (isset($res->access_token)) {
if ($scope == 'snsapi_userinfo') {
// 2.1 `snsapi_userinfo` 继续通过access_token和openid拉取用户信息
$url = self::API_DOMAIN . 'sns/userinfo?access_token=' . $res->access_token . '&openid=' . $res->openid . '&lang=' . $lang;
$res = HttpCurl::get($url, 'json');
// 异常处理: 获取时网络错误
if ($res === false) {
return Error::code('ERR_POST');
}
// 判断是否调用成功
if (isset($res->openid)) {
return array(null, $res);
} else {
return array($res, null);
}
} else {
// 2.2 `snsapi_base` 不弹出授权页面，直接跳转，只能获取用户openid
return array(null, $res);
}
} else {
return array($res, null);
}
} else {
return array('授权失败', null);
}
}
/**
* 微信支付 - 生成预订单
* @param string $openid 用户openid
* @param array $conf 配置数组
* @return bool|mixed
*/
public function wxPayUnifiedOrder($openid, $conf = [])
{
$input = ['out_trade_no' => $conf['out_trade_no'], 'body' => $conf['body'], 'total_fee' => $conf['total_fee'], 'trade_type' => isset($conf['trade_type']) ? $conf['trade_type'] : 'JSAPI', 'notify_url' => isset($conf['notify_url']) ? $conf['notify_url'] : '', 'attach' => isset($conf['attach']) ? $conf['attach'] : '', 'time_start' => isset($conf['time_start']) ? $conf['time_start'] : date('YmdHis'), 'time_expire' => isset($conf['time_expire']) ? $conf['time_expire'] : date('YmdHis', time() + 86400), 'goods_tag' => isset($conf['goods_tag']) ? $conf['goods_tag'] : '', 'openid' => $openid, 'appid' => $this->appId, 'mch_id' => $this->mchId, 'spbill_create_ip' => $_SERVER['REMOTE_ADDR'], 'nonce_str' => SHA1::get_random_str(32)];
// 签名
$input['sign'] = SHA1::getSign2($input, 'key=' . $this->key);
// 生成xml
$xml = Xml::toXml($input);
// 调用接口
$url = 'https://api.mch.weixin.qq.com/pay/unifiedorder';
try {
$res = HttpCurl::post($url, $xml);
libxml_disable_entity_loader(true);
return json_decode(json_encode(simplexml_load_string($res, 'SimpleXMLElement', LIBXML_NOCDATA)), true);
} catch (\Exception $e) {
return false;
}
}
/**
* 长链接转短链接接口
*
* @string $long_url 需要转换的长链接，支持http://、https://、weixin://wxpay 格式的url
*
* @return array(err, data)
* - `err`, 调用失败时得到的异常
* - `res`, 调用正常时得到的对象
*
* Examples:
* ```
* list($err, $data) = $api->shorturl('http://me.diary8.com/category/web-front-end.html');
* echo $data->short_url;
* ```
* Result:
* ```
* http://w.url.cn/s/ABJrkxE
* ```
*/
public function shorturl($long_url)
{
$url = self::API_DOMAIN . 'cgi-bin/shorturl?access_token=' . $this->get_access_token();
$xml = '{"action":"long2short","long_url":"' . $long_url . '"}';
$res = HttpCurl::post($url, $xml, 'json');
// 异常处理: 获取时网络错误
if ($res === FALSE) {
return Error::code('ERR_GET');
}
// 判断是否调用成功
if ($res->errcode == 0) {
return array(NULL, $res);
} else {
return array($res, NULL);
}
}
/**
* 获取用户列表
*
* Examples:
* ```
* $api->get_user_list();
* $api->get_user_list('ocNtAt_TirhYM6waGeNUbCfhtZoA');
* ```
* Result:
* ```
* [
* null,
* {
* total: 4,
* count: 2,
* data: {
* openid: [
* "ocNtAt_K8nRlAdmNEo_R0WVg_rRw",
* "ocNtAt9DVhWngpiMyZzPFWr4IXD0"
* ]
* },
* next_openid: "ocNtAt9DVhWngpiMyZzPFWr4IXD0"
* }
* ]
* ```
*
* @param string $next_openid [可选：第一个拉取的OPENID，不填默认从头开始拉取]
*
* @return array(err, data)
* - `err`, 调用失败时得到的异常
* - `res`, 调用正常时得到的对象
*/
public function get_user_list($next_openid = '')
{
if ($next_openid != '') {
$next_openid = '&next_openid=' . $next_openid;
}
$url = self::API_DOMAIN . 'cgi-bin/user/get?access_token=' . $this->get_access_token() . $next_openid;
$res = HttpCurl::get($url, 'json');
// 异常处理: 获取时网络错误
if ($res === false) {
return Error::code('ERR_POST');
}
// 判断是否调用成功
if (isset($res->data)) {
return array(null, $res);
} else {
return array($res, null);
}
}
