小程序支付

    unified(){
wx.request({url: "http://localhost/personalities/server/?head=unified",
method: ‘GET‘,
data:{
body : this.data.body,
out_trade_no : this.random(),
total_fee : this.data.total_fee,
openid : this.data.openid,
report_id : this.data.report_id
},
success: res => {
if(res.data.err_code_des && res.data.err_code_des==="该订单已支付") return console.log(res.data);
this.setData({
prepay_id : res.data.prepay_id
});
this.again_sign();
}
})
},

/**
* 调用统一下单接口，获取prepay_id
*/
function unified()
{
$app = Factory::payment(WX_PAY);
$result = $app->order->unify([
‘body‘ => $_REQUEST[‘body‘], //充值说明
‘out_trade_no‘ => $_REQUEST[‘out_trade_no‘], //订单号
‘total_fee‘ => $_REQUEST[‘total_fee‘], //金额
‘trade_type‘ => ‘JSAPI‘, //支付类型
‘openid‘ => $_REQUEST[‘openid‘], //openid
    ]);
$user = json_decode(query("SELECT id FROM user WHERE openid=‘{$_REQUEST[‘openid‘]}‘","json"));
$user_id = $user -> id;
$total_fee = $_REQUEST[‘total_fee‘] / 100;
//保存订单号
query("INSERT INTO `order` (`user_id`, `out_trade_no`, `total_fee`, `report_id`) VALUES ({$user_id}, {$_REQUEST[‘out_trade_no‘]}, {$total_fee}, {$_REQUEST[‘report_id‘]})","json");
return json_encode($result, JSON_UNESCAPED_UNICODE);
}

    /**
* 根据预付单号，获取签名信息
*/
again_sign(){
wx.request({
url: "http://localhost/personalities/server/?head=pay",
method: ‘GET‘,
data:{
prepay_id : this.data.prepay_id
},
success: res => {
this.setData({
appId: res.data.appId,
nonceStr: res.data.nonceStr,
package: res.data.package,
paySign: res.data.paySign,
signType: res.data.signType,
timeStamp: res.data.timeStamp
});
this.start_pay();
}
})
},

// 返回支付签名信息
function pay()
{
$payment = Factory::payment(WX_PAY);
$jssdk = $payment -> jssdk;
return $jssdk->bridgeConfig($_REQUEST[‘prepay_id‘], true);
}

    start_pay() {
wx.requestPayment({
timeStamp: this.data.timeStamp, //注意 timeStamp 的格式
nonceStr: this.data.nonceStr,
package: this.data.package,
signType: this.data.signType,
paySign: this.data.paySign, // 支付签名

success: function (res) {
// 支付成功后的回调函数
console.log(‘支付成功了‘, res);
wx.showToast({
title: ‘支付成功‘,
icon: ‘success‘,
})
setTimeout(() => {
wx.navigateBack()
},1300)
},
fail: res => {
wx.showModal({
title: ‘警告‘,
content: ‘您拒绝了付款，将无法解锁详细报告‘,
showCancel: false,
confirmText: ‘确认‘,
success: res => {
setTimeout(() => {
wx.navigateBack()
},1300)
}
});
}
});
},