?? ????? ????? ?? ??? v3 ??? ?? ???? ?? ??? ??? ??? ????? ???? ??? ??? ?????

?? ??? ???? ??? ????

//統(tǒng)一下單
public?function?wechartAddOrder($name,$ordernumber,$money,$openid){
????????$url?=?"https://api.mch.weixin.qq.com/v3/pay/transactions/jsapi";
????????$urlarr?=?parse_url($url);
????????$appid?=?config('config.appId');//appID
????????$mchid?=?config('config.mchid');//商戶ID
????????$xlid?=?config('config.apiXL');//API序列號(hào)
????????$data?=?array();
????????$randstr?=?getRanStr(16,false);//隨機(jī)字符串長(zhǎng)度不超過(guò)32
????????$time?=?time();
????????$data['appid']?=?$appid;
????????$data['mchid']?=?$mchid;
????????$data['description']?=?$name;//商品描述
????????$data['out_trade_no']?=?$ordernumber;//訂單編號(hào)
????????$data['notify_url']?=?"https://www.xffly.cn/api/admin/order/wechartCallback";//回調(diào)接口
//??????$data['amount']['total']?=?$money;//金額
????????$data['amount']['total']?=?1;
????????$data['payer']['openid']?=?$openid;//用戶openID
????????$data?=?json_encode($data);?
????????$key?=?$this->getSign($data,$urlarr['path'],$randstr,$time);//簽名
????????$token?=?sprintf('mchid="%s",serial_no="%s",nonce_str="%s",timestamp="%d",signature="%s"',$mchid,$xlid,$randstr,$time,$key);//頭部信息
????????$header??=?array(
????????????'Content-Type:'.'application/json;?charset=UTF-8',
????????????'Accept:application/json',
????????????'User-Agent:*/*',
????????????'Authorization:?WECHATPAY2-SHA256-RSA2048?'.$token
????????);??
????????$ret?=?curl_post_https($url,$data,$header);
????????return?$ret;
????}

?? ??? ??? ?? ?? ? ????.

//微信支付簽名
public?function?getSign($data=array(),$url,$randstr,$time){
????????$str?=?"POST"."\n".$url."\n".$time."\n".$randstr."\n".$data."\n";
????????$key?=?file_get_contents('apiclient_key.pem');//在商戶平臺(tái)下載的秘鑰
????????$str?=?getSha256WithRSA($str,$key);
????????return?$str;
????}

?? ?? ?????? ?? prepay_id ????
?? ?????? ??? ????? wx.requestPayment ?????? ?????. ??? ?? ????. ??? ??? ?????. ??? ????? ?? ???
??? ????? ??? ?????. Reason

//調(diào)起支付的簽名
public?function?getWechartSign($post){
????????$data?=?array();
????????$data['timeStamp']?=?$post['timeStamp'];
????????$data['nonceStr']?=?$post['str'];
????????$data['package']?=?$post['package'];
????????$str?=?config('config.appId')."\n".$data['timeStamp']."\n".$data['nonceStr']."\n".$data['package']."\n";
????????$key?=?file_get_contents('apiclient_key.pem');
????????$str?=?getSha256WithRSA($str,$key);
????????return?$str;
????}

??? ?? ??? ?? ????, ?? ??? ?? ???
json ?????. json_decode? ???? ???? ?? ??????. ???? ???? ??? ?????, ??? ?? ???? ?? ? ??? htmlspecialchars_decode? ???? ????????. ??? ??? ??? ? ??? ?? WeChat ??? ??? ???? ????. ?? ??? ???? ?? ???? ??? ? ????.

//微信回調(diào)寫(xiě)入日志文件并返回
????public?function?writeWechartLog($post){
????????if(!is_dir("upload/log")){
???????????mkdir("upload/log",0777,true);
????????}
????????$log?=?fopen("upload/log/wechart.txt",?"a+");
????????if(is_array($post)){
????????????$post?=?json_encode($post);
????????}
????????fwrite($log,?$post."\n");
????????fclose($log);
????????$read?=?fopen("upload/log/wechart.txt",?"r");
????????fseek($read,?-1,?SEEK_END);
????????$s?=?'';
????????while?(($c?=?fgetc($read))?!==?false)?{
????????????if?($c?==?"\n"?&&?$s)?break;
????????????$s?=?$c?.?$s;
????????????fseek($read,?-2,?SEEK_CUR);
????????}
????????fclose($read);
????????return?$s;//取剛剛存的最后一條回調(diào)信息
????}

?? ????. ?? ????? ???, ??? ????? ???. ??? ???? ?? ??????
sodium_crypto_aead_aes256gcm_decrypt ? ??? ??? ????? PHP?? ???? ???? ???

//微信回調(diào)解密
????public?function?wechartDecrypt($str)?{
????????$str?=?htmlspecialchars_decode($str,ENT_COMPAT);
????????$post?=?json_decode($str,true);
????????$key?=?config("config.apiv3Key");//商戶平臺(tái)設(shè)置的api?v3?密碼
????????$text?=?base64_decode($post['resource']['ciphertext']);
????????$str?=?sodium_crypto_aead_aes256gcm_decrypt($text,$post['resource']['associated_data'],$post['resource']['nonce'],$key);
????????return?json_decode($str,true);
????}

?? ?? ?? ??? ?? ? ???? ??? ???

??? ?? ????? ?? ?? ? WeChat ???? ??? json ??? ?? ??? ? ?? ??? ??? ?? ?????. ?? ?? ???? ???? ??? ?? ? ???? ???????. ...

? ??? [??] PHP WeChat ??? WeChat ?? v3 ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!