获取openid参考微信授权登录
微信小程序MD5加密（支持中文）：https://zhizun.lanzouy.com/inF7G00vonmbpay.js
import util from '../../utils/util.js'
const md5 = require('../../utils/md5.js');
Page({
/**
* 页面的初始数据
*/
data: {
id: ''
},
/**
* 生命周期函数--监听页面加载
*/
onLoad: function () {
},
submit(){
this.setData({id: 1})
this.unitedPayRequest('openid')
},
/*统一支付接口*/
unitedPayRequest: function(openid){
var that = this;
//统一支付签名
var accountInfo = wx.getAccountInfoSync();
var appid = accountInfo.miniProgram.appId;//appid必填
var body = '';//商品名必填
var mch_id = '';//商户号必填
var key = ''; //商户key必填，在商户后台获得
var out_trade_no = '';//自定义订单号必填
var nonce_str = util.randomString();//随机字符串，不长于32位。
var total_fee = parseInt(0.01 * 100); //价格，这是一分钱
var notify_url = 'http://localhost/notify_url.php';//通知地址必填
var trade_type = "JSAPI";
var unifiedPayment = 'appid=' + appid + '&body=' + body + '&mch_id=' + mch_id + '&nonce_str=' + nonce_str + '¬ify_url=' + notify_url + '&openid=' + openid + '&out_trade_no=' + out_trade_no + '&total_fee=' + total_fee + '&trade_type=' + trade_type + '&key=' + key;
console.log("unifiedPayment", unifiedPayment);
var sign = md5.md5(unifiedPayment).toUpperCase();
console.log("签名md5", sign);
//封装统一支付xml参数
var formData = "<xml>";
formData += "<appid>" + appid + "</appid>";
formData += "<body>" + body + "</body>";
formData += "<mch_id>" + mch_id + "</mch_id>";
formData += "<nonce_str>" + nonce_str + "</nonce_str>";
formData += "<notify_url>" + notify_url + "</notify_url>";
formData += "<openid>" + openid + "</openid>";
formData += "<out_trade_no>" + out_trade_no + "</out_trade_no>";
formData += "<total_fee>" + total_fee + "</total_fee>";
formData += "<trade_type>" + trade_type + "</trade_type>";
formData += "<sign>" + sign + "</sign>";
formData += "</xml>";
console.log("formData", formData);
//统一支付
wx.request({
url: 'https://api.mch.weixin.qq.com/pay/unifiedorder',
method: 'POST',
head: 'application/x-www-form-urlencoded',
data: formData, //设置请求的 header
success: function (res) {
console.log("返回商户", res.data);
var resultCode = util.getXMLNodeValue('result_code', res.data.toString("utf-8"));
if (!resultCode || resultCode == 'FAIL') {
var errDes = util.getXMLNodeValue('err_code_des', res.data.toString("utf-8"));
var returnMsg = util.getXMLNodeValue('return_msg', res.data.toString("utf-8"));
wx.showToast({
title: errDes ? errDes : returnMsg,
icon: 'none'
})
} else {
//发起支付
var prepay_id = util.getXMLNodeValue('prepay_id', res.data.toString("utf-8"));
//签名
var timeStamp = util.timeStamp();
var nonceStr = util.randomString();
var stringSignTemp = "appId=" + appid + "&nonceStr=" + nonceStr + "&package=prepay_id=" + prepay_id + "&signType=MD5&timeStamp=" + timeStamp + "&key=" + key;
console.log("签名字符串", stringSignTemp);
var sign = md5.md5(stringSignTemp).toUpperCase();
console.log("签名", sign);
var param = { "timeStamp": timeStamp, "package": 'prepay_id=' + prepay_id, "paySign": sign, "signType": "MD5", "nonceStr": nonceStr }
console.log("param小程序支付接口参数", param);
that.processPay(param);
}
},
})
},
/* 小程序支付 */
processPay: function (param) {
var thia = this;
wx.requestPayment({
timeStamp: param.timeStamp,
nonceStr: param.nonceStr,
package: param.package,
signType: param.signType,
paySign: param.paySign,
success: function (res) {
console.log("wx.requestPayment返回信息",res);
wx.showToast({
title: '支付成功',
icon: 'success'
})
setTimeout(function(){
wx.navigateTo({
url: '../storyDetails/storyDetails?id='+thia.data.id,
})
},1500)
},
fail: function () {
console.log("支付失败");
wx.showToast({
title: '支付失败',
icon: 'error'
})
setTimeout(function(){
wx.navigateTo({
url: '../storyDetails/storyDetails?id='+thia.data.id,
})
},1500)
},
complete: function () {
console.log("支付完成");
}
})
}
})
util.js
/* 时间戳产生函数 */
function timeStamp() {
return parseInt(new Date().getTime() / 1000) + ''
}
/* 随机数 */
function randomString() {
var chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz0123456789';
var maxPos = chars.length;
var pwd = '';
for (var i = 0; i < 32; i++) {
pwd += chars.charAt(Math.floor(Math.random() * maxPos));
}
return pwd;
}
/* 获取XML节点信息 */
function getXMLNodeValue(node_name, xml) {
var str = '';
var tmp = xml.split("<" + node_name + ">");
if(!tmp[1]){
return;
}
var _tmp = tmp[1].split("</" + node_name + ">");
if(_tmp[0].indexOf('![CDATA[') != -1){
str = _tmp[0].split('[')[2].split(']')[0];
}else{
str = _tmp[0];
}
return str;
}
module.exports = {
randomString: randomString,
timeStamp: timeStamp,
getXMLNodeValue: getXMLNodeValue
}
notify_url.php
<?php
require 'common.php';
$param = xml_array(file_get_contents('php://input'));
// file_put_contents('1.txt',file_get_contents('php://input'));
if(!empty($param)){
$appid = $param['appid'];
$mch_id = $param['mch_id'];
$nonce_str = $param['nonce_str'];
$out_trade_no = $param['out_trade_no'];
$key = $config['payKey'];
$md5Arr = $param;
unset($md5Arr['sign']);
$md5Param = urldecode(http_build_query(arg_sort($md5Arr))).'&key='.$key;
// echo $md5Param;
$sign = md5($md5Param);
if(strtolower($sign) != strtolower($param['sign'])){
exit(array_xml(['return_code' => 'FAIL','return_msg' => '签名验证失败']));
}
$arrToXml = ['appid' => $appid,'mch_id' => $mch_id,'nonce_str' => $nonce_str,'out_trade_no' => $out_trade_no];
$sign2 = urldecode(http_build_query(arg_sort($arrToXml))).'&key='.$key;
$arrToXml['sign'] = md5($sign2);
$xml = array_xml($arrToXml);
$xml = get_curl("https://api.mch.weixin.qq.com/pay/orderquery",$xml);
$arr = xml_array($xml);
if($arr['return_code'] == 'SUCCESS' && $arr['result_code'] == 'SUCCESS' && $arr['trade_state'] == 'SUCCESS'){
$row = getOne("select id,money,status from order_list where order_number='{$out_trade_no}'");
if($row['status'] == 0 && $row['money'] == round(($arr['total_fee']/100),2)){
update('order_list',['status' => 1,'pay_time' => time()],'id='.$row['id']);
}
echo array_xml(['return_code' => 'SUCCESS']);
}else{
echo array_xml(['return_code' => 'FAIL','return_msg' => '验证失败']);
}
}else{
echo array_xml(['return_code' => 'FAIL','return_msg' => '请发起xml请求']);
}
// 以下测试用
/* $xml = file_get_contents('1.txt');
echo get_curl('https://域名/notify_url.php',$xml);*/
common.php
function get_curl($url, $post = '', $cookie = '', $referer = '', $proxy = '', $header = 0, $userAgent = '', $httpheader = [])
{
$curl = curl_init();
// 配置curl中的http协议->可配置的荐可以查PHP手册中的curl_
curl_setopt($curl, CURLOPT_URL, $url);
if ($post) {
// POST数据
curl_setopt($curl, CURLOPT_POST, 1);
// 把post的变量加上
if (is_array($post)) {
curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post));
} else {
curl_setopt($curl, CURLOPT_POSTFIELDS, $post);
}
if ($arr = @json_decode($post, true)) {
if (is_array($arr)) {
$httpheader[] = 'Content-Type: application/json; charset=utf-8';
$httpheader[] = 'Content-Length: ' . strlen($post);
}
}
}
if ($referer) {
$httpheader[] = 'Referer: ' . $referer; //模拟来路
$httpheader[] = 'Origin: ' . $referer;
} else {
$httpheader[] = 'Referer: ' . $url; //模拟来路
$httpheader[] = 'Origin: ' . $url;
}
if ($cookie) {
$httpheader[] = 'Cookie: ' . $cookie; //模拟cookie
}
if ($proxy) {
$proxy = explode(':', $proxy);
if (!empty($proxy[1])) {
curl_setopt($curl, CURLOPT_PROXY, $proxy[0]); //代理服务器地址
curl_setopt($curl, CURLOPT_PROXYPORT, $proxy[1]); //代理服务器端口
}
$httpheader[] = 'X-FORWARDED-FOR: ' . $proxy[0]; //模拟ip
$httpheader[] = 'CLIENT-IP: ' . $proxy[0]; //模拟ip
} else {
$httpheader[] = 'X-FORWARDED-FOR: ' . $_SERVER['REMOTE_ADDR']; //模拟ip
$httpheader[] = 'CLIENT-IP: ' . $_SERVER['REMOTE_ADDR']; //模拟ip
}
if ($header) {
curl_setopt($curl, CURLOPT_HEADER, TRUE); //获取响应头信息
}
if ($userAgent) {
$httpheader[] = 'User-Agent: ' . $userAgent; //模拟用户浏览器信息
} else {
$httpheader[] = 'User-Agent: ' . (!empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36');
}
$httpheader[] = 'Host: ' . @parse_url($url)['host'];
curl_setopt($curl, CURLOPT_HTTPHEADER, $httpheader); //模拟请求头
curl_setopt($curl, CURLOPT_TIMEOUT, 10); //只需要设置一个秒的数量就可以
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); //返回字符串，而非直接输出到屏幕上
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1); //跟踪爬取重定向页面
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($curl, CURLOPT_ENCODING, ''); //解决网页乱码问题
// 执行这个请求
$ret = curl_exec($curl);
if ($header) {
$headerSize = curl_getinfo($curl, CURLINFO_HEADER_SIZE);
$header = substr($ret, 0, $headerSize);
$body = substr($ret, $headerSize);
$ret = array();
$ret['header'] = $header;
$ret['body'] = $body;
}
curl_close($curl);
return $ret;
}
// xml转数组
function xml_array($xml)
{
//禁止引用外部xml实体
libxml_disable_entity_loader(true);
$xmlstring = simplexml_load_string($xml, 'SimpleXMLElement', LIBXML_NOCDATA);
$val = json_decode(json_encode($xmlstring), true);
return $val;
}
// 数组转xml
function array_xml($arr)
{
$xml = "<xml>";
foreach ($arr as $key => $val) {
if (is_array($val)) {
$xml .= "<" . $key . ">" . array_xml($val) . "</" . $key . ">";
} else {
$xml .= "<" . $key . ">" . $val . "</" . $key . ">";
}
}
$xml .= "</xml>";
return $xml;
}
// 对数组排序
function arg_sort($para) {
ksort($para);
reset($para);
return $para;
}
]]>
