修改

@@ -90,4 +90,59 @@ class User extends Api
         $this->success('成功', $return);
     }
 
+
+    /**
+     * 用户接口
+     * @ApiTitle    (Code换token)
+     * @ApiSummary  (Code换token)
+     * @ApiMethod   (POST)
+     * @ApiRoute    (/api/User/UserCode)
+     * @ApiParams   (name="code", type="integer", required=true, description="Code")
+     * @ApiReturnParams   (name="code", type="integer", required=true, sample="0")
+     * @ApiReturnParams   (name="msg", type="string", required=true, sample="返回成功")
+     * @ApiReturn   ({
+    'code':'1',
+    'msg':'返回成功',
+    'data':{
+    'token' => token,
+    })
+     */
+    public function UserCode()
+    {
+        $param = $this->request->param();
+//        授权登录
+        $ch = curl_init();
+        $appid = "wx6a9080f20326f817";
+        $secret = "8fe9780e13dd1fa64b886c4f716cd366";
+        $code = $param['code'];
+        $url = "https://api.weixin.qq.com/sns/jscode2session?appid=$appid&secret=$secret&js_code=$code&grant_type=authorization_code";
+        curl_setopt($ch, CURLOPT_URL, $url);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+        curl_setopt($ch, CURLOPT_HEADER, 0);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
+        $output = curl_exec($ch);
+        if ($output === FALSE) {
+            echo "CURL Error:" . curl_error($ch);
+        }
+        curl_close($ch);
+        $curl_result = json_decode($output, true);
+        $openid = $curl_result['openid'];
+        $is_open = Db::name('user')->where(['openid' => $openid])->find();
+        if (empty($is_open)) {
+            $this->error('请先注册授权', '', 99991);
+        } else {
+            $token = $this->request->token();
+            $arr = [
+                'token' => $token,
+                'updatetime' => time(),
+            ];
+            $res = Db::name("user")->where(['openid' => $openid])->update($arr);
+            if (!$res) {
+                $this->error('Token更新失败', 0);
+                die;
+            }
+            $this->success('成功', $token);
+        }
+    }
 }