Tag Archives: 微信支付

十 16

微信支付 V3版

Posted on by

请一定要先看demo

需要申请相应的帐号
后台设置支付目录

js_api_call.php

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<?php
/**
* JS_API支付demo
* ====================================================
* 在微信浏览器里面打开H5网页中执行JS调起支付。接口输入输出数据格式为JSON。
* 成功调起支付需要三个步骤：
* 步骤1：网页授权获取用户openid
* 步骤2：使用统一支付接口，获取prepay_id
* 步骤3：使用jsapi调起支付
*/
    include_once("WxPayPubHelper/WxPayPubHelper.php");
 
    //使用jsapi接口
    $jsApi = new JsApi_pub();
 
    //=========步骤1：网页授权获取用户openid============
    //通过code获得openid
    if (!isset($_GET['code']))
    {
        //触发微信返回code码
        $url = $jsApi->createOauthUrlForCode(WxPayConf_pub::JS_API_CALL_URL);
        Header("Location: $url");
    }else
    {
        //获取code码，以获取openid
        $code = $_GET['code'];
        $jsApi->setCode($code);
        $openid = $jsApi->getOpenId();
    }
    // $openid = 'oywLxshg8ZwoEURBA9seM-Ahdp-s';
    //=========步骤2：使用统一支付接口，获取prepay_id============
    //使用统一支付接口
    $unifiedOrder = new UnifiedOrder_pub();
 
    //设置统一支付接口参数
    //设置必填参数
    //appid已填,商户无需重复填写
    //mch_id已填,商户无需重复填写
    //noncestr已填,商户无需重复填写
    //spbill_create_ip已填,商户无需重复填写
    //sign已填,商户无需重复填写
    $unifiedOrder->setParameter("openid","$openid");//商品描述
    $unifiedOrder->setParameter("body","贡献一分钱");//商品描述
    //自定义订单号，此处仅作举例
    $timeStamp = time();
    $out_trade_no = WxPayConf_pub::APPID."$timeStamp";
    $unifiedOrder->setParameter("out_trade_no","$out_trade_no");//商户订单号
    $unifiedOrder->setParameter("total_fee","1");//总金额
    $unifiedOrder->setParameter("notify_url",WxPayConf_pub::NOTIFY_URL);//通知地址
    $unifiedOrder->setParameter("trade_type","JSAPI");//交易类型
    //非必填参数，商户可根据实际情况选填
    //$unifiedOrder->setParameter("sub_mch_id","XXXX");//子商户号  
    //$unifiedOrder->setParameter("device_info","XXXX");//设备号
    //$unifiedOrder->setParameter("attach","XXXX");//附加数据
    //$unifiedOrder->setParameter("time_start","XXXX");//交易起始时间
    //$unifiedOrder->setParameter("time_expire","XXXX");//交易结束时间
    //$unifiedOrder->setParameter("goods_tag","XXXX");//商品标记
    //$unifiedOrder->setParameter("openid","XXXX");//用户标识
    //$unifiedOrder->setParameter("product_id","XXXX");//商品ID
 
    $prepay_id = $unifiedOrder->getPrepayId();
    //=========步骤3：使用jsapi调起支付============
    $jsApi->setPrepayId($prepay_id);
 
    $jsApiParameters = $jsApi->getParameters();
    //echo $jsApiParameters;
?>
 
<html>
<head>
    <meta http-equiv="content-type" content="text/html;charset=utf-8"/>
    <title>微信安全支付</title>
 
    <script type="text/javascript">
 
        //调用微信JS api 支付
        function jsApiCall()
        {
            WeixinJSBridge.invoke(
                'getBrandWCPayRequest',
                <?php echo $jsApiParameters; ?>,
                function(res){
                    WeixinJSBridge.log(res.err_msg);
                    //alert(res.err_code+res.err_desc+res.err_msg);
                }
            );
        }
 
        function callpay()
        {
            if (typeof WeixinJSBridge == "undefined"){
                if( document.addEventListener ){
                    document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);
                }else if (document.attachEvent){
                    document.attachEvent('WeixinJSBridgeReady', jsApiCall);
                    document.attachEvent('onWeixinJSBridgeReady', jsApiCall);
                }
            }else{
                jsApiCall();
            }
        }
    </script>
</head>
<body>
    </br></br></br></br>
    <div align="center">
        <button style="width:210px; height:30px; background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer;  color:white;  font-size:16px;" type="button" onclick="callpay()" >贡献一下</button>
    </div>
</body>
</html>