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description:quick create a wxpay interface.

needs: php >= 7.0 ,db:mysql

how to use:

require 'vendor/autoload.php';

use wxPay\wxPay;

$wxPay = new wxPay();

//about payinfo

$payparam = [ 'appid'=>'',//小程序的appid

'mchid'=>'',//小程序的商户号


'openid'=>'',//支付用户的openid


'key'=>'',//商户平台的key

/* 'body'=>'',//支付信息

'notify'=>''//需要将notify 回调地址加在微信支付的配置里面，不然无法进行回调*/

];

//if you want to record the payinfo

$table = '';//表名称

$param = [

'create_time'=>date('Y-m-d H:i:s',time())//表插入的参数

];

//需要在订单表格里面加上关键信息字段如下：

//oid为表单主键，state为支付状态(默认为1 未支付)，orderSn为商家自生成唯一订单号，trade_sn为预支付订单号，paytime为支付时间

//其余字段自定义即可

//数据库连接信息

$conn = [

'host'=>'',


'dbname'=>'',


'username'=>'',


'pass'=>''

];

$wxpay = new wxPay();

$wxpay->wxpay($payparam,$table,$param,$conn);

//返回json信息

{"prepay":{"return_code":"","return_msg":"","appid":"","mch_id":"","nonce_str":"","sign":"","result_code":"","prepay_id":"","trade_type":""},"payinfo":{"appId":"","nonceStr":"","package":"","signType":"","timeStamp":,"paySign":""}}

//通过 prepay 预支付信息，校验签名，是否正确

//说明统一下单成功

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