php代码实现微信自动注册登陆 (微信PC扫码授权登陆注册)

最近做的一个商城项目中，要用到发货和收货人地址的功能，上面要求要用微信PC扫码授权登陆；自己试着用研究了好久写了一个，但是发现有好多兼容问题，具体实现步骤如下.微信PC扫码授权登陆 php简单示例代码
首先须要申请,必须企业,个体工商户,媒体等
申请地址 https://open.weixin.qq.com/
演示参考下这个：http://t.cn/ROuy90K
1、首先到微信开放平台申请https://open.weixin.qq.com/ 获取到appid和APPSECRET，前台显示页面如下

前台完整代码如下：

Html代码 收藏代码

2、服务器端完整代码如下：

Php代码
/*
require_once(‘weixin.class.php’);
$weixin = new class_weixin();
*/

define('APPID',        "wx19ba77624e083e08");   
define('APPSECRET',    "c1a56a5c4247dd44c320c9719c5ceb90");   
   
class class_weixin   
{   
    var $appid = APPID;   
    var $appsecret = APPSECRET;   
   
    //构造函数，获取Access Token   
    public function __construct($appid = NULL, $appsecret = NULL)   
    {   
        if($appid && $appsecret){   
            $this->appid = $appid;   
            $this->appsecret = $appsecret;   
        }   
   
        //扫码登录不需要该Access Token, 语义理解需要   
        //1. 本地写入    
        $res = file_get_contents('access_token.json');   
        $result = json_decode($res, true);   
        $this->expires_time = $result["expires_time"];   
        $this->access_token = $result["access_token"];   
   
        if (time() > ($this->expires_time + 3600)){   
            $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appid."&secret=".$this->appsecret;   
            $res = $this->http_request($url);   
            $result = json_decode($res, true);   
            $this->access_token = $result["access_token"];   
            $this->expires_time = time();   
            file_put_contents('access_token.json', '{"access_token": "'.$this->access_token.'", "expires_time": '.$this->expires_time.'}');   
        }   
    }   
   
/*  
*  PART1 网站应用  
*/   

/*  

header(“Content-type: text/html; charset=utf-8”);
require_once(‘wxopen.class.php’);
$weixin=newclas{s}_{w}eixin();if(!isset($_GET[“code”])){
$redirec{t}_{u}rl{=}^{\prime }http:/{/}^{\prime }.$_SERVER[‘HTTP_HOST’].$_SERVER[‘REQUEST_URI’];
$jumpurl = $weixin->qrconnect($redirect_url, “snsapi_login”, “123”);
Header(“Location: $jumpurl”);
}else{
$oauth2_info = $weixin->oauth{2}_{a}cces{s}_{t}oken($_GET[“code”]);
$userinfo = $weixin->oauth{2}_{g}e{t}_{u}se{r}_{i}nfo($oauth2_info[‘access_token’], $oauth{2}_{i}nfo{[}^{\prime }openi{d}^{\prime }]);va{r}_{d}ump($userinfo);
}
*/
//生成扫码登录的URL
public function qrconnect($redirect_url, $scope, $state = NULL)
{
$url="https://open.weixin.qq.com/connect/qrconnect?appid=".$this->appid."&redirect_uri=".urlencode(KaTeX parse error: Expected 'EOF', got '&' at position 16: redirect_url)."&̲response_type=c…scope."&state=".$state."#wechat_redirect";
return $url;
}

//生成OAuth2的Access Token
public function oauth2_access_token($code)
{
$url="https://api.weixin.qq.com/sns/oauth2/acces{s}_{t}oken?appid=".$this->appid."&secret=".KaTeX parse error: Expected 'EOF', got '&' at position 18: …is->appsecret."&̲code=".code."&grant_type=authorization_code";
$res = $this->htt{p}_{r}equest($url);
return json_decode($res, true);
}

//获取用户基本信息（OAuth2 授权的 Access Token 获取 未关注用户，Access Token为临时获取）
public function oauth2_get_user_info($access_token, $openid)
{
$url="https://api.weixin.qq.com/sns/userinfo?acces{s}_{t}oken=".$access_token."&openid=".$openid."&lang=zh_CN";
$res = $this->htt{p}_{r}equest($url);
return json_decode($res, true);
}