微信支付小程序（v3）- PHP 完整后端代码_微信支付 api v3的php源码打包下载

最新推荐文章于 2025-03-26 11:48:15 发布

2401_84253850

最新推荐文章于 2025-03-26 11:48:15 发布

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分类专栏：程序员文章标签：微信小程序 php

本文链接：https://blog.youkuaiyun.com/2401_84253850/article/details/138434799

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$data['mchid'] = $mchid;
$data['description'] = $name;//商品描述
$data['out_trade_no'] = $ordernumber;//订单编号
$data['notify_url'] = "你的域名/你的支付目录路径/notify.php";//回调接口 需根据自己的情况修改
$data['amount']['total'] = intval($money * 1);//金额 单位 分
$data['payer']['openid'] = $openid;//用户openID
$data = json_encode($data); 
$key = getSign($data,$urlarr['path'],$noncestr,$time);//签名
$token = sprintf('mchid="%s",serial_no="%s",nonce_str="%s",timestamp="%d",signature="%s"',$mchid,$xlid,$noncestr,$time,$key);//头部信息

$header  = array(
    'Content-Type:'.'application/json; charset=UTF-8',
    'Accept:application/json',
    'User-Agent:*/*',
    'Authorization: WECHATPAY2-SHA256-RSA2048 '.$token
);  
$ret = curl_post_https($url,$data,$header);
$ret = ltrim($ret,'{"prepay_id":"');
$ret = rtrim($ret,'}"');
//微信支付（小程序）签名
$str = getWechartSign($appid,$timeStamp,$noncestr,'prepay_id='.$ret);
$arr = array('appid'=>$appid,'timestamp'=>$timeStamp,'package'=>'prepay_id='.$ret,'paySign'=>$str);
exit(json_encode($arr));

}
$set_body = ‘支付测试’;//支付显示内容
$price = ‘1’;//支付金额
$out_trade_no = $data_s[‘out_trade_no’];//订单号
$timeStamp = $data_s[‘timeStamp’];//时间戳
$openid = $data_s[‘openid’];
$noncestr = $data_s[‘nonceStr’];

wechartAddOrder( $set_body,$ out_trade_no, $p r i ce,$ openid, $t im e St am p,$ noncestr);

//微信支付签名
function getSign( $d a t a = a rr a y (),$ url, $r an d s t r,$ time){
$KaTeX parse error: Undefined control sequence: \n at position 15: str = "POST"."\̲n̲".$ url.“\n”. $KaTeX parse error: Undefined control sequence: \n at position 7: time."\̲n̲".$ randstr.“\n”.$data.“\n”;
$key = file_get_contents(‘apiclient_key.pem’);//在商户平台下载的秘钥
$s t r = g e tS ha 256 Wi t h RS A ($ str,$key);
return $str;
}

//调起支付的签名
function getWechartSign( $a pp i d,$ timeStamp, $n o n ces t r,$ prepay_id){
$str = $KaTeX parse error: Undefined control sequence: \n at position 8: appid."\̲n̲".$ timeStamp.“\n”. $KaTeX parse error: Undefined control sequence: \n at position 11: noncestr."\̲n̲".$ prepay_id.“\n”;
$key = file_get_contents(‘apiclient_key.pem’);
$s t r = g e tS ha 256 Wi t h RS A ($ str,$key);
return $str;
}

function getSha256WithRSA($content, $privateKey){
$binary_signature = “”;
$algo = "SHA256"; openssl_sign($ content, $binary_signature, $privateKey, $algo);
$sign = base64_encode($ binary_signature);
return $sign;
}

/* PHP CURL HTTPS POST */
function curl_post_https( $u r l,$ data,$header){ // 模拟提交数据函数
$curl = curl_init(); // 启动一个CURL会话 curl_setopt($ curl, CURLOPT_URL,