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實現(xiàn)微信授權(quán)流程

<?phpnamespace?app\controller;use?think\Controller;use?think\Request;
class?WeChat?extends?Controller{????//?設(shè)置?AppID?和?AppSecret????private?$appId?=?'your_app_id';????private?$appSecret?=?'your_app_secret';????????//?獲取?access_token????public?function?getAccessToken()????{????????$url?=?"https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid={$this->appId}&secret={$this->appSecret}";????????$response?=?json_decode(file_get_contents($url),?true);????????return?$response['access_token'];????}
????//?獲取用戶信息????public?function?getUserInfo($accessToken,?$openid)????{????????$url?=?"https://api.weixin.qq.com/cgi-bin/user/info?access_token={$accessToken}&openid={$openid}&lang=zh_CN";????????$response?=?json_decode(file_get_contents($url),?true);????????return?$response;????}
????//?處理微信回調(diào)????public?function?callback(Request?$request)????{????????$accessToken?=?$this->getAccessToken();????????//?獲取微信返回的?`code`?參數(shù)????????$code?=?$request->param('code');????????????????//?使用?`code`?獲取?`openid`?和?`access_token`????????$url?=?"https://api.weixin.qq.com/sns/oauth2/access_token?appid={$this->appId}&secret={$this->appSecret}&code={$code}&grant_type=authorization_code";????????$response?=?json_decode(file_get_contents($url),?true);????????$openid?=?$response['openid'];
????????//?獲取用戶信息????????$userInfo?=?$this->getUserInfo($accessToken,?$openid);????????return?json($userInfo);????}}

前端 Vue 3 配置

export?default?{??data()?{????return?{??????userInfo:?null,????};??},??methods:?{????getUserInfo()?{??????//?跳轉(zhuǎn)到微信授權(quán)頁面??????window.location.href?=?`https://open.weixin.qq.com/connect/oauth2/authorize?appid=your_app_id&redirect_uri=your_redirect_uri&response_type=code&scope=snsapi_userinfo&state=STATE#wechat_redirect`;????},??},??mounted()?{????//?頁面加載后獲取用戶信息????const?code?=?new?URLSearchParams(window.location.search).get('code');????if?(code)?{??????//?調(diào)用后端接口獲取用戶信息??????this.$axios.get(`/wechat/callback?code=${code}`).then(response?=>?{????????this.userInfo?=?response.data;??????});????}??},};

你測試一下

不知道你