tp5.1 微信jsapi支付

公众号直接唤起微信支付

1、支付授权目录说明：
1-1、商户最后请求拉起微信支付收银台的页面地址我们称之为“支付目录”，例如：https://www.weixin.com/pay.php。
1-2、商户实际的支付目录必须和在微信支付商户平台设置的一致，否则会报错“当前页面的URL未注册：”
2、登录微信支付商户平台（pay.weixin.qq.com）–>产品中心–>开发配置，设置后一般5分钟内生效。
3、支付授权目录校验规则说明：
3-1、如果支付授权目录设置为顶级域名（例如：https://www.weixin.com/ ），那么只校验顶级域名，不校验后缀；
3-2、如果支付授权目录设置为多级目录，就会进行全匹配，例如设置支付授权目录为https://www.weixin.com/abc/123/，则实际请求页面目录不能为https://www.weixin.com/abc/，也不能为https://www.weixin.com/abc/123/pay/，必须为https://www.weixin.com/abc/123/
4、网页授权域名
开发JSAPI支付时，在统一下单接口中要求必传用户openid，而获取openid则需要您在公众平台设置获取openid的域名，只有被设置过的域名才是一个有效的获取openid的域名，否则将获取失败。在公众号设置—功能设置—网页授权域名设置。注意证书的下载和位置。
5、代码块(个人喜好把SDK放在extend里面)

//控制器方法
<?php
namespace app\equipment\home;
use app\common\controller\Common;
use think\Db;
//use wxpay\wxpay as wxpay;
use WxpayService\WxpayService;

class Pay extends Common
{
	//获取支付参数
	//@param  mchid 微信支付商户号
	//@param  appid 微信支付申请对应的公众号的APPID
	//@param  appKey 微信支付申请对应的公众号的APP Key
	//@param  apiKey 微信支付API密钥
    public function salepay()
    {
        $data=$this->set_order($_POST);//创建订单
        if($data){
            header('Content-type:text/html; Charset=utf-8');
            $mchid = '';          //微信支付商户号 PartnerID 通过微信支付商户资料审核后邮件发送
            $appid = '';  //微信支付申请对应的公众号的APPID
            $appKey = '';   //微信支付申请对应的公众号的APP Key
            $apiKey = '';   //https://pay.weixin.qq.com 帐户设置-安全设置-API安全-API密钥-设置API密钥
            //①、获取用户openid
            $wxPay = new WxpayService($mchid,$appid,$appKey,$apiKey);
            $openId=session('openid');
            if(!$openId) exit('获取openid失败');
            //②、统一下单
            $outTradeNo = $data['order_no'];//你自己的商品订单号
            $payAmount = $data['amount'];          //付款金额，单位:元
            $orderName = '设备购买';    //订单标题
            $notifyUrl = 'http://域名/euipment/pay/setstatus/';     //付款成功后的回调地址(不要有问号)
            $payTime = time();      //付款时间
            $jsApiParameters = $wxPay->createJsBizPackage($openId,$payAmount,$outTradeNo,$orderName,$notifyUrl,$payTime);
            $jsApiParameters = json_encode($jsApiParameters);
            $array 	 = json_decode($jsApiParameters,true);
            $array['order_id']=$outTradeNo;
//            $array['code']=1;
            return $array;
        }

    }

    //创建订单
    public function set_order($info)
    {
        $openid=session('openid');
        $uid=Db::name('user')->where("openid",$openid)->value('id');
            Db::startTrans();
            try {
                //提交数据到user_equipment
                $data1['uid'] = $uid;
                $data1['create_time'] = date('Y-m-d', time());
                $data1['order_no'] = order_number();
                $data1['equipment_id'] = $info['equipment_id'];
                $data1['amount'] = $info['amount'];
                $data1['add_id'] = $info['add_id'];
                $data1['number'] = $info['number'];
                $res = Db::name('user_equipment')->insert($data1);
                //购买也要入购买表
                $data['uid'] = $uid;
                $data['sales_volume'] = $info['amount'];
                $data['equipment_id'] = $info['equipment_id'];
                $data['number'] = $info['number'];
                $data['add_id'] = $info['add_id'];
                $data['note'] = $info['note'];
                $data['create_time'] = time();
                $data['sale_no'] = $data1['order_no'];
                $data['pay_time'] = time();
                $res1 = Db::name('sale')->insert($data);
                Db::commit();
            }catch (\Exception $e) {
                // 回滚事务
                Db::rollback();
            }
            if($res && $res1){
                return $data1;
            }else{
                return 0;
            }

    }

    //支付成功后修改订单状态
    public function setstatus()
    {
        $order=$_POST['order_no'];
        $res=Db::name('user_equipment')->where('order_no',$order)->update(['order_status'=>2]);
        if($res){
            return $this->success('修改成功','',1);
        }else{
            return $this->error('修改失败','',0);
        }

    }
}

//引入的文件 文件位置extend/WxpayService/WxpayService

<?php
namespace WxpayService;

class WxpayService
{
    protected $mchid;
    protected $appid;
    protected $appKey;
    protected $apiKey;
    public $data = null;
    public function __construct($mchid, $appid, $appKey,$key)
    {
        $this->mchid = $mchid; //https://pay.weixin.qq.com 产品中心-开发配置-商户号
        $this->appid = $appid; //微信支付申请对应的公众号的APPID
        $this->appKey = $appKey; //微信支付申请对应的公众号的APP Key
        $this->apiKey = $key;   //https://pay.weixin.qq.com 帐户设置-安全设置-API安全-API密钥-设置API密钥
    }
    /**
     * 通过跳转获取用户的openid，跳转流程如下：
     * 1、设置自己需要调回的url及其其他参数，跳转到微信服务器https://open.weixin.qq.com/connect/oauth2/authorize
     * 2、微信服务处理完成之后会跳转回用户redirect_uri地址，此时会带上一些参数，如：code
     * @return 用户的openid
     */
    public function GetOpenid()
    {


        //通过code获得openid
        if (!isset($_GET['code'])){
            return $_SERVER;
            //触发微信返回code码
            $scheme = $_SERVER['HTTPS']=='on' ? 'https://' : 'http://';
            $uri = $_SERVER['PHP_SELF'].$_SERVER['QUERY_STRING'];
            if($_SERVER['REQUEST_URI']) $uri = $_SERVER['REQUEST_URI'];
            $baseUrl = urlencode($scheme.$_SERVER['HTTP_HOST'].$uri);
            $url = $this->__CreateOauthUrlForCode($baseUrl);
            Header("Location: $url");
            exit();
        } else {
            //获取code码，以获取openid
            $code = $_GET['code'];
            $openid = $this->getOpenidFromMp($code);
            return $openid;
        }
    }
    /**
     * 通过code从工作平台获取openid机器access_token
     * @param string $code 微信跳转回来带上的code
     * @return openid
     */
    public function GetOpenidFromMp($code)
    {
        $url = $this->__CreateOauthUrlForOpenid($code);
        $res = self::curlGet($url);
        //取出openid
        $data = json_decode($res,true);
        $this->data = $data;
        $openid = $data['openid'];
        return $openid;
    }
    /**
     * 构造获取open和access_toke的url地址
     * @param string $code，微信跳转带回的code
     * @return 请求的url
     */
    private function __CreateOauthUrlForOpenid($code)
    {
        $urlObj["appid"] = $this->appid;
        $urlObj["secret"] = $this->appKey;
        $urlObj["code"] = $code;
        $urlObj["grant_type"] = "authorization_code";
        $bizString = $this->ToUrlParams($urlObj);
        return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString;
    }
    /**
     * 构造获取code的url连接
     * @param string $redirectUrl 微信服务器回跳的url，需要url编码
     * @return 返回构造好的url
     */
    private function __CreateOauthUrlForCode($redirectUrl)
    {
        $urlObj["appid"] = $this->appid;
        $urlObj["redirect_uri"] = "$redirectUrl";
        $urlObj["response_type"] = "code";
        $urlObj["scope"] = "snsapi_base";
        $urlObj["state"] = "STATE"."#wechat_redirect";
        $bizString = $this->ToUrlParams($urlObj);
        return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString;
    }
    /**
     * 拼接签名字符串
     * @param array $urlObj
     * @return 返回已经拼接好的字符串
     */
    private function ToUrlParams($urlObj)
    {
        $buff = "";
        foreach ($urlObj as $k => $v)
        {
            if($k != "sign") $buff .= $k . "=" . $v . "&";
        }
        $buff = trim($buff, "&");
        return $buff;
    }
    /**
     * 统一下单
     * @param string $openid 调用【网页授权获取用户信息】接口获取到用户在该公众号下的Openid
     * @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 $timestamp 支付时间
     * @return string
     */
    public function createJsBizPackage($openid, $totalFee, $outTradeNo, $orderName, $notifyUrl, $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,
            'openid' => $openid,            //rade_type=JSAPI，此参数必传
            'out_trade_no' => $outTradeNo,
            'spbill_create_ip' => '127.0.0.1',
            'total_fee' => intval($totalFee * 100),       //单位 转为分
            'trade_type' => 'JSAPI',
        );
        $unified['sign'] = self::getSign($unified, $config['key']);
        $responseXml = self::curlPost('https://api.mch.weixin.qq.com/pay/unifiedorder', self::arrayToXml($unified));
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);
        $unifiedOrder = simplexml_load_string($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);
        }
        $arr = array(
            "appId" => $config['appid'],
            "timeStamp" => "$timestamp",        //这里是字符串的时间戳，不是int，所以需加引号
            "nonceStr" => self::createNonceStr(),
            "package" => "prepay_id=" . $unifiedOrder->prepay_id,
            "signType" => 'MD5',
        );
        $arr['paySign'] = self::getSign($arr, $config['key']);
        return $arr;
    }
    public static function curlGet($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 $data;
    }
    public static function curlPost($url = '', $postData = '', $options = array())
    {
        if (is_array($postData)) {
            $postData = http_build_query($postData);
        }
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
        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 $data;
    }
    public static function createNonceStr($length = 16)
    {
        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
        $str = '';
        for ($i = 0; $i < $length; $i++) {
            $str .= substr($chars, mt_rand(0, strlen($chars) - 1), 1);
        }
        return $str;
    }
    public static function arrayToXml($arr)
    {
        $xml = "<xml>";
        foreach ($arr as $key => $val) {
            if (is_numeric($val)) {
                $xml .= "<" . $key . ">" . $val . "</" . $key . ">";
            } else
                $xml .= "<" . $key . "><![CDATA[" . $val . "]]></" . $key . ">";
        }
        $xml .= "</xml>";
        return $xml;
    }
    public static function getSign($params, $key)
    {
        ksort($params, SORT_STRING);
        $unSignParaString = self::formatQueryParaMap($params, false);
        $signStr = strtoupper(md5($unSignParaString . "&key=" . $key));
        return $signStr;
    }
    protected static function formatQueryParaMap($paraMap, $urlEncode = false)
    {
        $buff = "";
        ksort($paraMap);
        foreach ($paraMap as $k => $v) {
            if (null != $v && "null" != $v) {
                if ($urlEncode) {
                    $v = urlencode($v);
                }
                $buff .= $k . "=" . $v . "&";
            }
        }
        $reqPar = '';
        if (strlen($buff) > 0) {
            $reqPar = substr($buff, 0, strlen($buff) - 1);
        }
        return $reqPar;
    }

}
//页面订单提交部分
//订单提交
    function submit() {
        var eid=$("input[name='id']").val();
        var order_type=1;
        var order_status=1;
        var add_id=$.trim($("input[name='add_id']").val());
        var number=$("#n_reduce").siblings("#n_box").val();
        var amount=$("#heji").text();
        var note=$("input[name='note']").val();

        if(add_id == ''){
            alert('请添加地址');
            return false;
        }

        $.ajax({
                type:'post',
                url :'/index.php/equipment/pay/salepay',
                data:{"equipment_id":eid,'order_type':order_type,'order_status':order_status,'add_id':add_id,'number':number,
                        'amount':amount,'note':note},
                success:function(data){
                        console.log(data);
//订单创建成功返回支付参数和order_id便于前端唤起支付
                        pay(data.appId,data.timeStamp,data.nonceStr,data.package,data.paySign,data.order_id);
                },error:function(){
                    alert('创建订单失败!');
                }

        });

    }


    // 支付
    function pay(appid,time,nonceStr,prepay_id,paySign,order_id){
        WeixinJSBridge.invoke(
            'getBrandWCPayRequest', {
                "appId":appid,     		// 公众号名称，由商户传入
                "timeStamp":time,       // 时间戳，自1970年以来的秒数
                "nonceStr":nonceStr, 	// 随机串
                "package":prepay_id,    // 统一下单接口返回的prepay_id参数值
                "signType":"MD5",       // 微信签名方式：
                "paySign":paySign 		// 微信签名
            },function(res){
                console.log(res);
                if(res.err_msg == "get_brand_wcpay_request:ok" ){
                    $.ajax({
                        url:"/index.php/equipment/pay/setstatus",
                        type:"post",
                        data:{'order_no':order_id},
                        success:function (e) {

                            if(e.data==1){
                                alert('支付成功');
                                window.location.href='/index.php/user/index/order?type=2'
                            }else{
                                alert('支付失败')
                            }

                        }
                    })
                   // window.location.href = '';
                }
            });
    }

小程序微信支付

只展示接口部分
相关的配置一样都不要少，查看相关开发文档进行配置
直接上代码

   //提交订单
    public function order()
    {
        $token=input('post.token');
        $res=checkToken($token);
        if($res ==90001) { //验证token成功
           $input=input('post.');
               $res1=$this->setOrder($input);
               if ($res1){
                   $appid=config('base.web_appid');//APPID
                   $openid=Db::name('user')->where("token",$token)->value('openid');
                   $mch_id=config('base.wev_mch_id');//商户号
                   $key=config('base.web_appsecret');
                   $apiKey=config('base.web_apiKey');
                   $out_trade_no=$res1['order_id'];
                   $body='支付测试';
                   $total_fee=$res1['amount'];
                   $notify_url = 'http://域名/xxx/xxx/xxx/notify';
                   $payTime=time();
                   $wxPay = new WxpayService($mch_id,$appid,$key,$apiKey);
                   $jsApiParameters = $wxPay->createJsBizPackage($openid,$total_fee,$out_trade_no,$body,$notify_url,$payTime);
                   $jsApiParameters = json_encode($jsApiParameters);
                   $array 	 = json_decode($jsApiParameters,true);
                   $array['order_id']=$out_trade_no;
                   $data['code']=1;
                   $data['msg']='订单创建成功';
                   $data['date']=$array;
                   return json($data);
               }else{
                   $data['code']=0;
                   $data['msg']='订单创建失败';
                   $data['date']=null;
                   return json($data);
               }

        }else if($res == 90002){
            $data['code']=2;
            $data['msg']='token验证出错';
            $data['date']=null;
            return json($data);
        }else if($res == 90003){
            $data['code']=3;
            $data['msg']='token超时，请重新登录';
            $data['date']=null;
            return json($data);
        }

    }

    //创建订单--走支付
    public function setOrder($arr)
    {
        Db::startTrans();
        try {
        $info['order_id']=order_number();
        $info['uid']=token_to_uid($arr['token']);
        $info['package_id']=$arr['package_id'];
        $info['house_id']=package_to_house($arr['package_id']);
        $info['number']=$arr['number'];
        $info['price']=$arr['price'];
        $info['amount']=$arr['amount'];
        $info['integral']=$arr['integral'];//购买套餐可获积分
        $info['coupon_id']=$arr['coupon_id'];
        $info['point']=$arr['point'];//直营店消费的积分数
        $info['tel']=$arr['tel'];
        $info['create_time']=time();

        $res=Db::name('order')->insert($info);
        $stock = Db::name('package')->where("id", $info['package_id'])->value('stock');
        $res1 = Db::name('package')->where("id", $info['package_id'])->update(['stock' => $stock - 1]);

            Db::commit();
            return $info;
        }catch (\Exception $e) {
            // 回滚事务
                Db::rollback();
                return 0;
        }

    }

`//支付回调
  public function notify(){
        $data = file_get_contents('php://input');
        $arr = $this -> xmlToArray($data);
            //判断返回状态
            if($arr['return_code'] == 'SUCCESS' || $arr['result_code'] == 'SUCCESS'){
                $status= Db::name('order')->where('order_id',$arr['out_trade_no'])->value('status');
                if ($status==1){
                    //修改订单状态
                    $res = Db::name('order')->where('order_id',$arr['out_trade_no'])->update(['status'=>2,'pay_time'=>time(),'transaction_id'=>$arr['transaction_id']]);
                    return '<xml> <return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>';
                }

        }
    }
  //将xml格式转换成数组
    function xmlToArray($xml) {
        //禁止引用外部xml实体
        libxml_disable_entity_loader(true);
        $xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
        $val = json_decode(json_encode($xmlstring), true);
        return $val;
    }

``