副标题[/!--empirenews.page--]
网上的很多PHP微信扫码支付接入教程都颇为复杂,且需要配置和引入较多的文件,本人通过整理后给出一个单文件版的,只有200行代码,希望可以给各位想接入微信扫码支付的带来些许帮助和借鉴意义。
直接运行该文件即可得到一个支付二维码的图片。
需要注意的事项:
1.该文件需放到支付授权目录下,可以在微信支付商户平台->产品中心->开发配置中设置。
2.如提示签名错误可以通过微信支付签名验证工具进行验证:微信公众平台支付接口调试工具
代码如下:
createJsBizPackage($payAmount,$outTradeNo,$orderName,$notifyUrl,$payTime);
//生成二维码
$url = 'http://qr.liantu.com/api.php?text='.$arr['code_url'];
echo "  ";
class WxpayService
{
protected $mchid;
protected $appid;
protected $apiKey;
public function __construct($mchid,$key)
{
$this->mchid = $mchid;
$this->appid = $appid;
$this->apiKey = $key;
}
/**
- 发起订单
- @param float $totalFee 收款总费用 单位元
- @param string $outTradeNo 唯一的订单号
- @param string $orderName 订单名称
- @param string $notifyUrl 支付结果通知url 不要有问号
- @param string $timestamp 订单发起时间
- @return array
/
public function createJsBizPackage($totalFee,$timestamp)
{
$config = array(
'mch_id' => $this->mchid,'appid' => $this->appid,'key' => $this->apiKey,);
$orderName = iconv('GBK','UTF-8',$orderName);
$unified = array(
'appid' => $config['appid'],'attach' => 'pay',//商家数据包,原样返回,如果填写中文,请注意转换为utf-8
'body' => $orderName,'mch_id' => $config['mch_id'],'nonce_str' => self::createNonceStr(),'notify_url' => $notifyUrl,'out_trade_no' => $outTradeNo,'spbill_create_ip' => '127.0.0.1','total_fee' => intval($totalFee 100),//单位 转为分
'trade_type' => 'NATIVE',);
$unified['sign'] = self::getSign($unified,$config['key']);
$responseXml = self::curlPost('https://api.mch.weixin.qq.com/pay/unifiedorder',self::arrayToXml($unified));
$unifiedOrder = simplexml_load_string($responseXml,'SimpleXMLElement',LIBXML_NOCDATA);
if ($unifiedOrder === false) {
die('parse xml error');
}
if ($unifiedOrder->return_code != 'SUCCESS') {
die($unifiedOrder->return_msg);
}
if ($unifiedOrder->result_code != 'SUCCESS') {
die($unifiedOrder->err_code);
}
$codeUrl = (array)($unifiedOrder->code_url);
if(!$codeUrl[0]) exit('get code_url error');
$arr = array(
"appId" => $config['appid'],"timeStamp" => $timestamp,"nonceStr" => self::createNonceStr(),"package" => "prepay_id=" . $unifiedOrder->prepay_id,"signType" => 'MD5',"code_url" => $codeUrl[0],);
$arr['paySign'] = self::getSign($arr,$config['key']);
return $arr;
}
public function notify()
{
$config = array(
'mch_id' => $this->mchid,);
$postStr = $GLOBALS["HTTP_RAW_POST_DATA"];
$postObj = simplexml_load_string($postStr,LIBXML_NOCDATA);
if ($postObj === false) {
die('parse xml error');
}
if ($postObj->return_code != 'SUCCESS') {
die($postObj->return_msg);
}
if ($postObj->result_code != 'SUCCESS') {
die($postObj->err_code);
}
$arr = (array)$postObj;
unset($arr['sign']);
if (self::getSign($arr,$config['key']) == $postObj->sign) {
echo '<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
return $postObj;
}
}
/**
- curl get
-
- @param string $url
- @param array $options
- @return mixed
*/
public static function curlGet($url = '',$options = array())
{
$ch = curl_init($url);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_TIMEOUT,30);
if (!empty($options)) {
curl_setopt_array($ch,$options);
}
//https请求 不验证证书和host
curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,false);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
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