Development of ThinkPHP5 WeChat cash red envelope-PHP Tutorial-php.cn

Development of ThinkPHP5 WeChat cash red envelope

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Release： 2023-04-02 19:56:01

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This article mainly introduces the development of ThinkPHP5 WeChat cash red envelopes. It has a certain reference value. Now I share it with everyone. Friends in need can refer to it

Controller:

    /**
     * 发放现金红包     */public function payLuckyMoney()
{
    $obj2 = array();    //appid
    $obj2[&#39;wxappid&#39;] = config(&#39;wx_gzh.appId&#39;);    //商户id
    $obj2[&#39;mch_id&#39;] = config(&#39;wx_sh.mchId&#39;);    //组合成28位，根据官方开发文档，可以自行设置
    $obj2[&#39;mch_billno&#39;] = config(&#39;wx_sh.mchId&#39;) . date(&#39;YmdHis&#39;) . rand(1000, 9999);    // 调用接口的机器IP地址
    $obj2[&#39;client_ip&#39;] = $_SERVER[&#39;REMOTE_ADDR&#39;];    //接收红包openid
    $obj2[&#39;re_openid&#39;] = session(&#39;openid&#39;);    /* 付款金额设置start，按照概率设置随机发放。
     * 1-200元之间，单位分。这里设置95%概率为1-2元，5%的概率为2-10元     */
    $n = rand(1, 100);    if ($n <= 95) {
        $obj2[&#39;total_amount&#39;] = rand(100, 200);
    } else {
        $obj2[&#39;total_amount&#39;] = rand(200, 1000);
    }    //$obj2[&#39;total_amount&#39;] = 100;
    /* 付款金额设置end */

    // 红包个数
    $obj2[&#39;total_num&#39;] = 1;    // 商户名称
    $obj2[&#39;send_name&#39;] = "小门太";    // 红包祝福语
    $obj2[&#39;wishing&#39;] = "恭喜发财，大吉大利";    // 活动名称
    $obj2[&#39;act_name&#39;] = "小门太认证领红包";    // 备注
    $obj2[&#39;remark&#39;] = "小门太红包";    /* 文档中未说明以下变量，李富林博客中有。注释起来也没问题。不需要。
    $obj2[&#39;min_value&#39;] = $money;
    $obj2[&#39;max_value&#39;] = $money;
    $obj2[&#39;nick_name&#39;] = &#39;小门太红包&#39;;    */

    $url = "https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack";
    $isPay = pay_lucky_money($url, $obj2);
    $res = xml_to_array($isPay);    // 发放成功，把红包数据插入数据库
    if ($res[&#39;return_msg&#39;] == &#39;发放成功&#39;) {        // 发放成功，进行逻辑处理    
    } else {        // 发放失败，返回失败原因
        return $res[&#39;return_msg&#39;];
    }
}

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common.php function (you can also common a class to call):

// ---- 以下是微信现金红包的区域start ---- ///**
 * 微信发放现金红包核心函数，调用本函数就直接发放红包了。
 * @param $url 现金红包的请求地址
 * @param $obj
 * @return mixed */function pay_lucky_money($url, $obj)
{    //创建随机字符串(32位)
    $obj[&#39;nonce_str&#39;] = str_rand();    //创建签名
    $sign = get_sign($obj, false);    //halt($sign);
    $obj[&#39;sign&#39;] = $sign;    //将签名传入数组
    $postXml = array_to_xml($obj);    //将参数转为xml格式    //halt($postXml);
    $responseXml = curl_post_ssl($url, $postXml);    //提交请求    //halt($responseXml);
    return $responseXml;
}/**
 * @param $arr 生成前面的参数
 * @param $urlencode
 * @return string 返回加密后的签名 */function get_sign($arr, $urlencode)
{
    $buff = "";    //对传进来的数组参数里面的内容按照字母顺序排序，a在前面，z在最后（字典序）    ksort($arr);    foreach ($arr as $k => $v) {        if (null != $v && "null" != $v && "sign" != $k) {    //签名不要转码
            if ($urlencode) {
                $v = urlencode($v);
            }
            $buff .= $k . "=" . $v . "&";
        }
    }    // 去掉末尾符号“&”，其实不用这个if，因为长度肯定大于0
    if (strlen($buff) > 0) {
        $stringA = substr($buff, 0, strlen($buff) - 1);
    }    //签名拼接api
    $stringSignTemp = $stringA . "&key=" . config(&#39;wx_sh.key&#39;);    //签名加密并大写
    $sign = strtoupper(md5($stringSignTemp));    return $sign;
}//post请求网站，需要证书function curl_post_ssl($url, $vars, $second = 30, $aHeader = array())
{
    $ch = curl_init();    //超时时间    curl_setopt($ch, CURLOPT_TIMEOUT, $second);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);    //这里设置代理，如果有的话    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);    //cert 与 key 分别属于两个.pem文件    //请确保您的libcurl版本是否支持双向认证，版本高于7.20.1，相当于发curl验证【当前文件所在目录/cert/wxpay/】下的两个pem证书文件。    curl_setopt($ch, CURLOPT_SSLCERT, dirname(__FILE__) . DIRECTORY_SEPARATOR .        &#39;cert&#39; . DIRECTORY_SEPARATOR . &#39;wxpay&#39; . DIRECTORY_SEPARATOR . &#39;apiclient_cert.pem&#39;);
    curl_setopt($ch, CURLOPT_SSLKEY, dirname(__FILE__) . DIRECTORY_SEPARATOR .        &#39;cert&#39; . DIRECTORY_SEPARATOR . &#39;wxpay&#39; . DIRECTORY_SEPARATOR . &#39;apiclient_key.pem&#39;);    //curl_setopt($ch,CURLOPT_CAINFO,dirname(__FILE__).DIRECTORY_SEPARATOR.    //    &#39;cert&#39;.DIRECTORY_SEPARATOR.&#39;rootca.pem&#39;);    //这个不需要，因为大部分的操作系统都已经内置了rootca.pem证书了，就是常见的CA证书。
    if (count($aHeader) >= 1) {
        curl_setopt($ch, CURLOPT_HTTPHEADER, $aHeader);
    }
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $vars);
    $data = curl_exec($ch);    if ($data) {
        curl_close($ch);        return $data;
    } else {
        $error = curl_errno($ch);
        echo "call faild, errorCode:$error\n";
        curl_close($ch);        return false;
    }
}// ---- 以下是微信现金红包的区域end ---- //

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————Above, because my code is written under common.php, and common.php is under the application directory, so the certificate is placed under the application/cert/wxpay/ directory

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