# 微信支付 - JSAPI BrandWCPayRequest
PHP：
```php
use Thenbsp\Wechat\Payment\JsBrandWCPayRequest;
$options = array(
'body' => 'iphone 6 plus',
'total_fee' => 1,
'out_trade_no' => date('YmdHis').mt_rand(10000, 99999),
'notify_url' => 'Your notify url',
'openid' => $_SESSION['openid']
);
$o = new JsBrandWCPayRequest($wechat, $options);
$configJSON = $o->getConfig();
```
Javascript：
```javascript
<script>
var WXPayment = function() {
if( typeof WeixinJSBridge === 'undefined' ) {
alert('請在微信在打開頁面！');
return false;
}
WeixinJSBridge.invoke('getBrandWCPayRequest', <?php echo $configJSON; ?>, function(res) {
switch(res.err_msg) {
case 'get_brand_wcpay_request:cancel':
alert('用戶取消支付！');
break;
case 'get_brand_wcpay_request:fail':
alert('支付失敗！（'+res.err_desc+'）');
break;
case 'get_brand_wcpay_request:ok':
alert('支付成功！');
break;
default:
alert(JSON.stringify(res));
break;
}
});
}
</script>
```
HTML：
```html
<button type="button" onclick="WXPayment()">支付 ￥<?php echo ($options['total_fee'] / 100); ?> 元</button>
```
