-
Notifications
You must be signed in to change notification settings - Fork 609
/
jsapi_v3.php
370 lines (347 loc) · 13.9 KB
/
jsapi_v3.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
<?php
header('Content-type:text/html; Charset=utf-8');
/** 请填写以下配置信息 */
$mchid = 'xxxxx'; //微信支付商户号 PartnerID 通过微信支付商户资料审核后邮件发送
$appid = 'xxxxx'; //公众号APPID 通过微信支付商户资料审核后邮件发送
$appKey = 'xxxxx'; //微信支付申请对应的公众号的APP Key
$apiKey = 'xxxxx'; //https://pay.weixin.qq.com 帐户中心-安全中心-API安全-APIv3密钥-设置密钥
$privateKeyPath = getcwd() . '/cert/apiclient_key.pem'; //apiclient_key.pem的路径，通过”微信支付商户平台证书工具“生成。https://kf.qq.com/faq/161222NneAJf161222U7fARv.html
$serialNumber = 'xxxxx'; //证书序列号 https://pay.weixin.qq.com 帐户中心-安全中心-API安全-API证书-查看证书
$outTradeNo = uniqid(); //你自己的商品订单号，最小字符长度为6
$payAmount = 0.01; //付款金额，单位:元
$orderName = '支付测试'; //订单标题
$notifyUrl = 'https://www.xxx.com/notify_v3.php'; //付款成功后的回调地址(不要有问号)
/** 配置结束 */
//①、获取用户openid
$wxPay = new WxpayService($mchid, $appid, $appKey,$apiKey,$privateKeyPath,$serialNumber);
$openId = $wxPay->GetOpenid(); //获取openid
if(!$openId) exit('获取openid失败');
//②、统一下单
$wxPay->setOrderName($orderName);
$wxPay->setOutTradeNo($outTradeNo);
$wxPay->setTotalFee($payAmount);
$wxPay->setNotifyUrl($notifyUrl);
$wxPay->setOpenid($openId);
$result = $wxPay->doPay();
$jsApiParameters = json_encode($result);
?>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>微信支付样例-支付</title>
<script type="text/javascript">
//调用微信JS api 支付
function jsApiCall()
{
WeixinJSBridge.invoke(
'getBrandWCPayRequest',
<?php echo $jsApiParameters; ?>,
function(res){
WeixinJSBridge.log(res.err_msg);
if(res.err_msg=='get_brand_wcpay_request:ok'){
alert('支付成功！');
}else{
alert('支付失败：'+res.err_code+res.err_desc+res.err_msg);
}
}
);
}
function callpay()
{
if (typeof WeixinJSBridge == "undefined"){
if( document.addEventListener ){
document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);
}else if (document.attachEvent){
document.attachEvent('WeixinJSBridgeReady', jsApiCall);
document.attachEvent('onWeixinJSBridgeReady', jsApiCall);
}
}else{
jsApiCall();
}
}
</script>
</head>
<body>
<br/>
<font color="#9ACD32"><b>该笔订单支付金额为<span style="color:#f00;font-size:50px"><?php echo $payAmount?>元</span>钱</b></font><br/><br/>
<div align="center">
<button style="width:210px; height:50px; border-radius: 15px;background-color:#FE6714; border:0px #FE6714 solid; cursor: pointer; color:white; font-size:16px;" type="button" onclick="callpay()" >立即支付</button>
</div>
</body>
</html>
<?php
class WxpayService
{
protected $mchid;
protected $appid;
protected $apiKey;
protected $appKey;
protected $privateKeyPath;
protected $serialNumber;
protected $totalFee;
protected $outTradeNo;
protected $orderName;
protected $notifyUrl;
protected $auth;
protected $openid;
protected $gateWay='https://api.mch.weixin.qq.com/v3';
public function __construct($mchid, $appid, $appkey,$apikey, $privateKeyPath, $serialNumber)
{
$this->mchid = $mchid;
$this->appid = $appid;
$this->apiKey = $apikey;
$this->appKey = $appkey;
$this->privateKeyPath = $privateKeyPath;
$this->serialNumber = $serialNumber;
}
public function setTotalFee($totalFee)
{
$this->totalFee = floatval($totalFee);
}
public function setOutTradeNo($outTradeNo)
{
$this->outTradeNo = $outTradeNo;
}
public function setOrderName($orderName)
{
$this->orderName = $orderName;
}
public function setNotifyUrl($notifyUrl)
{
$this->notifyUrl = $notifyUrl;
}
public function setOpenid($openid)
{
$this->openid = $openid;
}
/**
* 发起支付
*/
public function doPay()
{
$reqParams = array(
'appid' => $this->appid, //公众号或移动应用appid
'mchid' => $this->mchid, //商户号
'description' => $this->orderName, //商品描述
'attach' => 'pay', //附加数据，在查询API和支付通知中原样返回，可作为自定义参数使用
'notify_url' => $this->notifyUrl, //通知URL必须为直接可访问的URL，不允许携带查询串。
'out_trade_no' => $this->outTradeNo, //商户系统内部订单号，只能是数字、大小写字母_-*且在同一个商户号下唯一，详见【商户订单号】。特殊规则：最小字符长度为6
'amount'=>array(
'total'=>intval($this->totalFee * 100), //订单总金额，单位为分
'currency'=>'CNY', //CNY：人民币，境内商户号仅支持人民币
),
'scene_info'=>array( //支付场景描述
'payer_client_ip'=>'127.0.0.1' //调用微信支付API的机器IP
),
'payer'=>array( //支付场景描述
'openid'=>$this->openid //调用微信支付API的机器IP
)
);
$reqUrl = $this->gateWay.'/pay/transactions/jsapi';
$this->getAuthStr($reqUrl,$reqParams);
$response = $this->curlPost($reqUrl,$reqParams);
$response = json_decode($response,true);
if(isset($response['code'])){
echo $response['code'].':'.$response['message'];exit();
}
$timestamp = time();
$arr = array(
"appId" => $this->appid,
"timeStamp" => "$timestamp", //这里是字符串的时间戳，不是int，所以需加引号
"nonceStr" => $this->getNonce(),
"package" => "prepay_id=" . $response['prepay_id'],
"signType" => 'RSA',
);
$message = $this->appid . "\n" .
$timestamp . "\n" .
$arr['nonceStr'] . "\n" .
"prepay_id=" . $response['prepay_id'] . "\n";
$arr['paySign'] = $this->sign($message, 'RSA');
return $arr;
}
private function sign($message,$signType='sha256WithRSAEncryption')
{
$res = file_get_contents($this->privateKeyPath);
if($signType=='RSA'){
$result = openssl_sign($message, $sign, $res,version_compare(PHP_VERSION,'5.4.0', '<') ? SHA256 : OPENSSL_ALGO_SHA256);
}else{
if (!in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
throw new \RuntimeException("当前PHP环境不支持SHA256withRSA");
}
$result = openssl_sign($message, $sign, $res, 'sha256WithRSAEncryption');
}
if (!$result) {
throw new \UnexpectedValueException("签名验证过程发生了错误");
}
return base64_encode($sign);
}
public function curlPost($url = '', $postData = array(), $options = array())
{
if (is_array($postData)) {
$postData = json_encode($postData);
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $postData);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
'Authorization:'.$this->auth,
'Content-Type:application/json',
'Accept:application/json',
'User-Agent:'.$_SERVER['HTTP_USER_AGENT']
));
curl_setopt($ch, CURLOPT_TIMEOUT, 30); //设置cURL允许执行的最长秒数
if (!empty($options)) {
curl_setopt_array($ch, $options);
}
//https请求 不验证证书和host
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
private function getSchema()
{
return 'WECHATPAY2-SHA256-RSA2048';
}
public function getAuthStr($requestUrl,$reqParams=array())
{
$schema = $this->getSchema();
$token = $this->getToken($requestUrl,$reqParams);
$this->auth = $schema.' '.$token;
return $this->auth;
}
private function getNonce()
{
static $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$charactersLength = strlen($characters);
$randomString = '';
for ($i = 0; $i < 32; $i++) {
$randomString .= $characters[rand(0, $charactersLength - 1)];
}
return $randomString;
}
public function getToken($requestUrl,$reqParams=array())
{
$body = $reqParams ? json_encode($reqParams) : '';
$nonce = $this->getNonce();
$timestamp = time();
$message = $this->buildMessage($nonce, $timestamp, $requestUrl,$body);
$sign = $this->sign($message);
$serialNo = $this->serialNumber;
return sprintf('mchid="%s",nonce_str="%s",timestamp="%d",serial_no="%s",signature="%s"',
$this->mchid, $nonce, $timestamp, $serialNo, $sign
);
}
private function buildMessage($nonce, $timestamp, $requestUrl, $body = '')
{
$method = 'POST';
$urlParts = parse_url($requestUrl);
$canonicalUrl = ($urlParts['path'] . (!empty($urlParts['query']) ? "?{$urlParts['query']}" : ""));
return strtoupper($method) . "\n" .
$canonicalUrl . "\n" .
$timestamp . "\n" .
$nonce . "\n" .
$body . "\n";
}
/**
* 通过跳转获取用户的openid，跳转流程如下：
* 1、设置自己需要调回的url及其其他参数，跳转到微信服务器https://open.weixin.qq.com/connect/oauth2/authorize
* 2、微信服务处理完成之后会跳转回用户redirect_uri地址，此时会带上一些参数，如：code
* @return 用户的openid
*/
public function GetOpenid()
{
//通过code获得openid
if (!isset($_GET['code'])){
//触发微信返回code码
$scheme = $_SERVER['HTTPS']=='on' ? 'https://' : 'http://';
$baseUrl = urlencode($scheme.$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'].$_SERVER['QUERY_STRING']);
$url = $this->__CreateOauthUrlForCode($baseUrl);
Header("Location: $url");
exit();
} else {
//获取code码，以获取openid
$code = $_GET['code'];
$openid = $this->getOpenidFromMp($code);
return $openid;
}
}
/**
* 构造获取code的url连接
* @param string $redirectUrl 微信服务器回跳的url，需要url编码
* @return 返回构造好的url
*/
private function __CreateOauthUrlForCode($redirectUrl)
{
$urlObj["appid"] = $this->appid;
$urlObj["redirect_uri"] = "$redirectUrl";
$urlObj["response_type"] = "code";
$urlObj["scope"] = "snsapi_base";
$urlObj["state"] = "STATE"."#wechat_redirect";
$bizString = $this->ToUrlParams($urlObj);
return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString;
}
/**
* 通过code从工作平台获取openid机器access_token
* @param string $code 微信跳转回来带上的code
* @return openid
*/
public function GetOpenidFromMp($code)
{
$url = $this->__CreateOauthUrlForOpenid($code);
$res = self::curlGet($url);
//取出openid
$data = json_decode($res,true);
// $this->data = $data;
$openid = $data['openid'];
return $openid;
}
public static function curlGet($url = '', $options = array())
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 30);
if (!empty($options)) {
curl_setopt_array($ch, $options);
}
//https请求 不验证证书和host
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
$data = curl_exec($ch);
curl_close($ch);
return $data;
}
/**
* 构造获取open和access_toke的url地址
* @param string $code，微信跳转带回的code
* @return 请求的url
*/
private function __CreateOauthUrlForOpenid($code)
{
$urlObj["appid"] = $this->appid;
$urlObj["secret"] = $this->appKey;
$urlObj["code"] = $code;
$urlObj["grant_type"] = "authorization_code";
$bizString = $this->ToUrlParams($urlObj);
return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString;
}
/**
* 拼接签名字符串
* @param array $urlObj
* @return 返回已经拼接好的字符串
*/
private function ToUrlParams($urlObj)
{
$buff = "";
foreach ($urlObj as $k => $v)
{
if($k != "sign") $buff .= $k . "=" . $v . "&";
}
$buff = trim($buff, "&");
return $buff;
}
}