调用微信红包接口返回（转）

终于找到原因了，写微信开发文档的真是垃圾，需要去掉 CDATA 标记

string nonce_str = Get_GuidStr();//随机字符串
            string sign = "";//签名
            string mch_id = "100000000";//商户号
            string mch_billno = Get_BillNo(mch_id);//商户订单号
            string wxappid = "wx8asdfderqweqweqwe2b";//公众账号appid
            string nick_name = "aa";//提供方名称
            string send_name = "aa";//商户名称
            string re_openid = "asdfasfwerqweqeqweqe";//用户openid
            int total_amount = 100;//付款金额(分)
            int min_value = 100;//最小红包金额
            int max_value = 100;//最大红包金额
            int total_num = 1;//红包发放总人数
            string wishing = "新年新气象，祝您身体健康，万事如意！";//红包祝福语
            string client_ip = "114.249.210.173"; //"221.5.252.231";//Ip地址
            string act_name = "测试红包功能。";//活动名称
            string remark = "测的越多，送的越多。";//备注
            string logo_imgurl = "";//商户logo的url
            string share_content = "";//分享文案
            string share_url = "";//分享链接
            string share_imgurl = "";//分享的图片

<?php
const API = \'https://api.mch.weixin.qq.com/mmpaymkttransfers/sendredpack\';
const MCH_ID = \'\';
const MCH_SECRET = \'\';
const APP_KEY = \'\';
const APP_SECRET = \'\';

const OPENID = \'\';

$money = 100;
//------------------logic----------------------

$params = [
    \'mch_billno\'=>gen_mch_billno(),
    \'mch_id\'=>MCH_ID,
    \'wxappid\'=>APP_KEY,
    \'nick_name\'=>\'xxxxx\',
    \'send_name\'=>\'xxxx\',
    \'re_openid\'=>OPENID,
    \'total_amount\'=>$money,
    \'min_value\'=>$money,
    \'max_value\'=>$money,
    \'total_num\'=>1,
    \'wishing\'=>\'感谢您参加！\',
    \'client_ip\'=>\'127.0.0.1\',
    \'act_name\'=>\'测试红包\',
    \'act_id\'=>17481,
    \'remark\'=>\'备注提示\',
    \'logo_imgurl\'=>\'http://www.sogou.com/images/logo/new/sogou.png\' ,
    \'share_url\'=>\'http://xxxx.com\',
    \'share_imgurl\'=>\'http://www.sogou.com/images/logo/new/sogou.png\',
    \'share_content\'=>\'恭喜发财\',
    \'remark\'=>\'新年红包哦～\',
    \'nonce_str\'=>gen_nonce(),
];

$res = post(API, gen_xml($params), true);
var_dump($res);

//-----------------func-----------------------
function gen_xml($params) {
    $xml = \'<xml>\';
    $fmt = \'<%s><![CDATA[%s]]></%s>\';
    foreach($params as $key=>$val){
        $xml.=sprintf($fmt, $key, $val, $key);
    }
    $xml.=\'</xml>\';
    return $xml;
}


function sign($params){
    ksort($params);
    $beSign = array_filter($params, \'strlen\');
    $pairs = array();
    foreach ($beSign as $k => $v) {
        $pairs[] = "$k=$v";
    }

    $sign_data = implode(\'&\', $pairs);
    $sign_data.=\'&key=\'.MCH_SECRET;
    return strtoupper(md5($sign_data));
}

function gen_nonce(){
    return md5(uniqid(\'\', true));
}

function gen_mch_billno(){
    return MCH_ID.date(\'Ymd\').time();
}

function post($url, $strXml, $CA = true) {
    //$arrHeader[] = \'Content-Length: \' . strlen($strXml);
    $cacert = __DIR__ . \'/cacert.pem\'; //CA根证书
    $SSL = substr($url, 0, 8) == "https://" ? true : false;

    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    //curl_setopt($ch, CURLOPT_HTTPHEADER, $arrHeader);
    if ($SSL && $CA) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, true);   // 只信任CA颁布的证书
        curl_setopt($ch, CURLOPT_SSLCERT,__DIR__.\'/apiclient_cert.pem\');
        curl_setopt($ch, CURLOPT_SSLKEY,__DIR__.\'/apiclient_key.pem\');
        curl_setopt($ch, CURLOPT_CAINFO, $cacert); // CA根证书（用来验证的网站证书是否是CA颁布）
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // 检查证书中是否设置域名，并且是否与提供的主机名匹配
    } else if ($SSL && !$CA) {
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 信任任何证书
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 2); // 检查证书中是否设置域名
    }
    curl_setopt($ch, CURLOPT_POST, 1);
    curl_setopt($ch, CURLOPT_POSTFIELDS, $strXml);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    $res = curl_exec($ch);
    curl_close($ch);
    return $res;
}