代码初始化

2025-08-07 20:21:47 +08:00
commit 50f3a2dbb0
2191 changed files with 374790 additions and 0 deletions
--- a/addons/epay/library/Wechat.php
+++ b/addons/epay/library/Wechat.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace addons\epay\library;
+
+use fast\Http;
+use think\Cache;
+use think\Session;
+
+/**
+ * 微信授权
+ *
+ */
+class Wechat
+{
+    private $app_id = '';
+    private $app_secret = '';
+    private $scope = 'snsapi_userinfo';
+
+    public function __construct($app_id, $app_secret)
+    {
+        $this->app_id = $app_id;
+        $this->app_secret = $app_secret;
+    }
+
+    /**
+     * 获取微信授权链接
+     *
+     * @return string
+     */
+    public function getAuthorizeUrl()
+    {
+        $redirect_uri = addon_url('epay/api/wechat', [], true, true);
+        $redirect_uri = urlencode($redirect_uri);
+        $state = \fast\Random::alnum();
+        Session::set('state', $state);
+        return "https://open.weixin.qq.com/connect/oauth2/authorize?appid={$this->app_id}&redirect_uri={$redirect_uri}&response_type=code&scope={$this->scope}&state={$state}#wechat_redirect";
+    }
+
+    /**
+     * 获取微信openid
+     *
+     * @return mixed|string
+     */
+    public function getOpenid()
+    {
+        $openid = Session::get('openid');
+        if (!$openid) {
+            if (!isset($_GET['code'])) {
+                $url = $this->getAuthorizeUrl();
+
+                Header("Location: $url");
+                exit();
+            } else {
+                $state = Session::get('state');
+                if ($state == $_GET['state']) {
+                    $code = $_GET['code'];
+                    $token = $this->getAccessToken($code);
+                    if (!isset($token['openid']) && isset($token['errmsg'])) {
+                        exception($token['errmsg']);
+                    }
+                    $openid = $token['openid'] ?? '';
+                    if ($openid) {
+                        Session::set("openid", $openid);
+                    }
+                }
+            }
+        }
+        return $openid;
+    }
+
+    /**
+     * 获取授权token网页授权
+     *
+     * @param string $code
+     * @return mixed|string
+     */
+    public function getAccessToken($code = '')
+    {
+        $params = [
+            'appid'      => $this->app_id,
+            'secret'     => $this->app_secret,
+            'code'       => $code,
+            'grant_type' => 'authorization_code'
+        ];
+        $ret = Http::sendRequest('https://api.weixin.qq.com/sns/oauth2/access_token', $params, 'GET');
+        if ($ret['ret']) {
+            $ar = json_decode($ret['msg'], true);
+            return $ar;
+        }
+        return [];
+    }
+
+    public function getJsticket($code = '')
+    {
+        $jsticket = Session::get('jsticket');
+        if (!$jsticket) {
+            $token = $this->getAccessToken($code);
+            $params = [
+                'access_token' => 'token',
+                'type'         => 'jsapi',
+            ];
+            $ret = Http::sendRequest('https://api.weixin.qq.com/cgi-bin/ticket/getticket', $params, 'GET');
+            if ($ret['ret']) {
+                $ar = json_decode($ret['msg'], true);
+                return $ar;
+            }
+        }
+        return $jsticket;
+    }
+}