微信授权登录和微信分享
<?php
namespace app\common\controller;
use app\common\controller\WechatAuth;
class PortalBase extends Base
{
protected function _initialize()
{
parent::_initialize();
$uid = cookie('uid');
if(empty($uid)) {
$this->auth();
}
$wechatClass = new WechatAuth();
$wxConfig = $wechatClass->wxshare();
$this->assign(['uid'=>$uid,'wxconfig'=>$wxConfig]);
}
private function auth(){
$wechatClass = new WechatAuth();
$users=$wechatClass->getAccessToken();
$uid=db('user')->where(['openid'=>$users['openid']])->value('id');
if($users){
$this->baocun_uid($uid,$users);
}
}
public function baocun_uid($uid,$users){
if(!$uid){
$uid=db('user')->insertGetId(['openid'=>$users['openid'],'nickname'=>$users['nickname'],'sex'=>$users['sex'],'city'=>$users['city'],'headimg'=>$users['headimgurl'],'jifen'=>$login_jifen,'pid'=>$fxuid,'create_time'=>time()]);
}
cookie('uid',$uid);
}
}
?>
<?php
namespace app\common\controller;
class WechatAuth {
private $appid = '';
private $secret = '';
private $requestCodeURL = 'https://open.weixin.qq.com/connect/oauth2/authorize';
//微信授权登录
public function getAccessToken()
{
$domain = request()->domain();
$code = input('code');
$url = rtrim($domain,'/').$_SERVER['REQUEST_URI'];
if($code){
$oauth2Url = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=$this->appid&secret=$this->secret&code=$code&grant_type=authorization_code";
$oauth2 = json_decode(file_get_contents($oauth2Url),true);
if (!isset($oauth2["access_token"])){
return null;
}
$access_token = $oauth2["access_token"]; // 获得 access_token(获取用户信息的access_token) 和openid
$openid = $oauth2['openid'];
// 获取用户信息（不包含是否关注公众号字段 - subscribe）
$get_user_info_url = "https://api.weixin.qq.com/sns/userinfo?access_token=$access_token&openid=$openid&lang=zh_CN";
$userInfo = json_decode(file_get_contents($get_user_info_url),true);
return $userInfo;
}else{
$codeUrl = $this->getRequestCodeURL($url,'oauth');
header('Location:' . $codeUrl);
}
}
//获取code
public function getRequestCodeURL($redirect_uri, $state = null,$scope = 'snsapi_userinfo'){
$query = array(
'appid' => $this->appid,
'redirect_uri' => $redirect_uri,
'response_type' => 'code',
'scope' => $scope,
);
if(!is_null($state) && preg_match('/[a-zA-Z0-9]+/', $state)){
$query['state'] = $state;
}
$query = http_build_query($query);
return "{$this->requestCodeURL}?{$query}#wechat_redirect";
}
//获取数据表里存的access_token(和授权登录不同)
public function get_access_token(){
$accessToken = db('access_token')->where('id',1)->find();
if($accessToken){
if($accessToken['stop_time'] > time()) return $accessToken['access_token'];
else{
$accessToken =$this->getAccessToken2();
if(isset($accessToken['access_token'])){
$data['access_token'] = $accessToken['access_token'];
$data['stop_time'] = bcadd(7200,time(),0);
db('access_token')->where('id',1)->update($data);
}
}
}else{
$accessToken =$this->getAccessToken2();
if(isset($accessToken['access_token'])){
$data['access_token'] = $accessToken['access_token'];
$data['stop_time'] = bcadd(7200,time(),0);
db('access_token')->insert($data);
}
}
return $accessToken['access_token'];
}
//获取access_token(和授权登录不同)
public function getAccessToken2(){
$url ="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appid."&secret=".$this->secret;
return json_decode(file_get_contents($url),true);
}
//获取access_token存入数据表
public function getAccessToken3(){
$url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->appid."&secret=".$this->secret;
$accessToken = json_decode(file_get_contents($url),true);
$data['access_token'] = $accessToken['access_token'];
$data['stop_time'] = bcadd(7200,time(),0);
db('access_token')->where('id',1)->update($data);
return $accessToken['access_token'];
}
//获取数据表里存的ticket
public function get_ticket(){
$ticket = db('access_token')->where('id',1)->find();
if($ticket){
if($ticket['stop_time2'] > time()) return $ticket['ticket'];
else{
$ticket =$this->getTicket();
if(isset($ticket['ticket'])){
$data['ticket'] = $ticket['ticket'];
$data['stop_time2'] = bcadd(7200,time(),0);
db('access_token')->where('id',1)->update($data);
}
}
}else{
$ticket =$this->getTicket();
if(isset($ticket['getTicket'])){
$data['ticket'] = $ticket['ticket'];
$data['stop_time2'] = bcadd(7200,time(),0);
db('access_token')->insert($data);
}
}
return $ticket['ticket'];
}
//获取ticket
public function getTicket(){
$accessToken =$this->get_access_token();
$url='https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=' .$accessToken. '&type=jsapi';
return json_decode(file_get_contents($url),true);
}
//微信分享需要的参数
public function wxshare(){
$access_token =$this->get_access_token();
$ticket =$this->get_ticket();
$ticketUrl = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=".$access_token."&type=jsapi";
$ticketJson = $this->requestGet($ticketUrl);
$res2 = json_decode($ticketJson,true);
$currentUrl = request()->url(true);
$nonceStr = "";
$time = time();
$signature = sha1("jsapi_ticket=".$ticket."&noncestr=".$nonceStr."×tamp=".$time."&url=".$currentUrl);
$wxConfig = [
'appId' => $this->appid,
'timestamp' => $time,
'nonceStr' => $nonceStr,
'signature' => $signature,
];
return $wxConfig;
}
public function requestGet($url){
$ch = curl_init();
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$json = curl_exec($ch);
curl_close($ch);
return $json;
}
}
?>
前端页面分享js：
<script type="text/javascript" src="http://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
<script>
//获取文章标题
ftit = '{$setting.keywords}';
//获取网页中内容的图片地址作为分享图
flink = document.images[2].src;
if(flink){
lk = flink;
}else{
//获取网页中内容的图片地址作为分享图
lk = document.images[1].src;
}
href = document.location.href.split("?")[0];
link = href;
desc = '描述';
wx.config({
debug: false,
appId: '{$wxconfig.appId}', // 必填，公众号的唯一标识
timestamp: '{$wxconfig.timestamp}', // 必填，生成签名的时间戳
nonceStr: '{$wxconfig.nonceStr}', // 必填，生成签名的随机串
signature: '{$wxconfig.signature}',// 必填，签名，见附录1
jsApiList : [
'updateTimelineShareData', //分享到朋友圈
'updateAppMessageShareData', //分享给微信朋友
] // 必填，需要使用的JS接口列表
});
wx.ready(function () {
// 自定义“分享到朋友圈”及“分享到QQ空间”按钮的分享内容
wx.updateTimelineShareData({
title: ftit, // 名
link: link, // 地址
imgUrl: lk, // 分享的图标
success: function () {
// 用户确认分享后执行的回调函数
},
cancel: function () {
// 用户取消分享后执行的回调函数
}
});
//自定义“分享给朋友”及“分享到QQ”按钮的分享内容
wx.updateAppMessageShareData({
title: ftit, // 名
link: link, // 地址
imgUrl: lk, // 分享的图标
desc: desc, // 分享描述
});
});
</script>
