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payfee.PHP:

[php] view plain copy

include 'WeixinPay.php';

$appid='';

$openid= $_GET['id'];

$mch_id='';

$key='';

$out_trade_no = $mch_id. time();

$total_fee = $_GET['fee'];

if(empty($total_fee)) //押金

{

$body = "充值押金";

$total_fee = floatval(99*100);

}

else {

$body = "充值余额";

$total_fee = floatval($total_fee*100);

}

$weixinpay = new WeixinPay($appid,$openid,$mch_id,$key,$out_trade_no,$body,$total_fee);

$return=$weixinpay->pay();

echo json_encode($return);

WeixinPay.php:

[php] view plain copy

<?php

/*

* 小程序微信支付

*/

class WeixinPay {

protected $appid;

protected $mch_id;

protected $key;

protected $openid;

protected $out_trade_no;

protected $body;

protected $total_fee;

function __construct($appid, $openid, $mch_id, $key,$out_trade_no,$body,$total_fee) {

$this->appid = $appid;

$this->openid = $openid;

$this->mch_id = $mch_id;

$this->key = $key;

$this->out_trade_no = $out_trade_no;

$this->body = $body;

$this->total_fee = $total_fee;

}

public function pay() {

//统一下单接口

$return = $this->weixinapp();