微信 jsapi 支付

<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
<?php 
ini_set('date.timezone','Asia/Shanghai');
//error_reporting(E_ERROR);
require_once "../lib/WxPay.Api.php";
require_once "WxPay.JsApiPay.php";
require_once 'log.php';

//初始化日志
// $logHandler= new CLogFileHandler("../logs/".date('Y-m-d').'.log');
// $log = Log::Init($logHandler, 15);

//打印输出数组信息
// function printf_info($data)
// {
//     foreach($data as $key=>$value){
//         echo "<font color='#00ff55;'>$key</font> : $value <br/>";
//     }
// }

//①、获取用户openid
$tools = new JsApiPay();
$openId = $tools->GetOpenid();

$pirce = intval($_GET['price']);
$order_id = intval($_GET['order_id']);
//②、统一下单
$input = new WxPayUnifiedOrder();
$input->SetBody("test");
$input->SetAttach("test");
$input->SetOut_trade_no($order_id);
$input->SetTotal_fee($pirce);
$input->SetTime_start(date("YmdHis"));
$input->SetTime_expire(date("YmdHis", time() + 600));
$input->SetGoods_tag("test");

$url = WxPayConfig::WX_PAY_URL.'wxpay/example/notify.php';
$input->SetNotify_url($url);

// $input->SetNotify_url("http://paysdk.weixin.qq.com/example/notify.php");
$input->SetTrade_type("JSAPI");
$input->SetOpenid($openId);
$order = WxPayApi::unifiedOrder($input);
// echo '<font color="#f00"><b>统一下单支付单信息</b></font><br/>';
// printf_info($order);
$jsApiParameters = $tools->GetJsApiParameters($order);

//获取共享收货地址js函数参数
$editAddress = $tools->GetEditAddressParameters();
// var_dump(expression);
//③、在支持成功回调通知中处理成功之后的事宜,见 notify.php
/**
 * 注意:
 * 1、当你的回调地址不可访问的时候,回调通知会失败,可以通过查询订单来确认支付是否成功
 * 2、jsapi支付时需要填入用户openid,WxPay.JsApiPay.php中有获取openid流程 (文档可以参考微信公众平台“网页授权接口”,
 * 参考http://mp.weixin.qq.com/wiki/17/c0f37d5704f0b64713d5d2c37b468d75.html)
 */
?>

<html>
<head>
    <meta http-equiv="content-type" content="text/html;charset=utf-8"/>
    <meta name="viewport" content="width=device-width, initial-scale=1"/>
    <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);
                if(res.err_msg=="get_brand_wcpay_request:ok"){
                    window.location.href="http://pttest.itsumy.com/WeChat/Printer/index_orderforgoods";
                }else{
                    alert("支付失败");
                }
            }
        );
    }

    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();
        }
    }
    window.onload=callpay();
    </script>
<!--     <script type="text/javascript">
    //获取共享地址
    function editAddress()
    {
        WeixinJSBridge.invoke(
            'editAddress',
            <?php echo $editAddress; ?>,
            function(res){
                var value1 = res.proviceFirstStageName;
                var value2 = res.addressCitySecondStageName;
                var value3 = res.addressCountiesThirdStageName;
                var value4 = res.addressDetailInfo;
                var tel = res.telNumber;
                
                alert(value1 + value2 + value3 + value4 + ":" + tel);
            }
        );
    }
    
    window.onload = function(){
        if (typeof WeixinJSBridge == "undefined"){
            if( document.addEventListener ){
                document.addEventListener('WeixinJSBridgeReady', editAddress, false);
            }else if (document.attachEvent){
                document.attachEvent('WeixinJSBridgeReady', editAddress); 
                document.attachEvent('onWeixinJSBridgeReady', editAddress);
            }
        }else{
            editAddress();
        }
    };
    
    </script> -->
</head>
<body>
    <!-- <br/>
    <font color="#9ACD32"><b>该笔订单支付金额为<span style="color:#f00;font-size:50px">1分</span>钱</b></font><br/><br/>
    <div align="center">
        <button style="210px; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer;  color:white;  font-size:16px;" type="button" onclick="callpay()" >立即支付</button>
    </div> -->
</body>
</html>
原文地址:https://www.cnblogs.com/zjj1990/p/9010056.html