123 lines
3.7 KiB
PHP
123 lines
3.7 KiB
PHP
<?php
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namespace api\controllers;
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use Yii;
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use yii\rest\ActiveController;
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class WechatController extends ActiveController
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{
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public $modelClass = '';
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public function actionValid()
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{
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$echoStr = $_GET["echostr"];
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$signature = $_GET["signature"];
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$timestamp = $_GET["timestamp"];
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$nonce = $_GET["nonce"];
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//valid signature , option
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if($this->checkSignature($signature,$timestamp,$nonce)){
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echo $echoStr;
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}
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}
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private function checkSignature($signature,$timestamp,$nonce)
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{
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// you must define TOKEN by yourself
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$token = Yii::$app->params['wechat']['token'];
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if (!$token) {
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echo 'TOKEN is not defined!';
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} else {
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$tmpArr = array($token, $timestamp, $nonce);
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// use SORT_STRING rule
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sort($tmpArr, SORT_STRING);
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$tmpStr = implode( $tmpArr );
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$tmpStr = sha1( $tmpStr );
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if( $tmpStr == $signature ){
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return true;
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}else{
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return false;
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}
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}
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}
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//1.用户授权接口：获取access_token、openid等；获取并保存用户资料到数据库
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public function actionAccesstoken()
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{
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$code = $_GET["code"];
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$state = $_GET["state"];
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$appid = Yii::$app->params['wechat']['appid'];
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$appsecret = Yii::$app->params['wechat']['appsecret'];
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$request_url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid='.$appid.'&secret='.$appsecret.'&code='.$code.'&grant_type=authorization_code';
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//初始化一个curl会话
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $request_url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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$result = curl_exec($ch);
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curl_close($ch);
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$result = $this->response($result);
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//获取token和openid成功，数据解析
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$access_token = $result['access_token'];
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$refresh_token = $result['refresh_token'];
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$openid = $result['openid'];
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//请求微信接口，获取用户信息
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$userInfo = $this->getUserInfo($access_token,$openid);
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$user_check = WechatUser::find()->where(['openid'=>$openid])->one();
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if ($user_check) {
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//更新用户资料
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} else {
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//保存用户资料
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}
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//前端网页的重定向
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if ($openid) {
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return $this->redirect($state.$openid);
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} else {
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return $this->redirect($state);
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}
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}
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//2.从微信获取用户资料
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public function getUserInfo($access_token,$openid)
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{
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$request_url = 'https://api.weixin.qq.com/sns/userinfo?access_token='.$access_token.'&openid='.$openid.'&lang=zh_CN';
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//初始化一个curl会话
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_URL, $request_url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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$result = curl_exec($ch);
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curl_close($ch);
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$result = $this->response($result);
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return $result;
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}
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//3.获取用户资料接口
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public function actionUserinfo()
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{
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if(isset($_REQUEST["openid"])){
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$openid = $_REQUEST["openid"];
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$user = WechatUser::find()->where(['openid'=>$openid])->one();
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if ($user) {
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$result['error'] = 0;
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$result['msg'] = '获取成功';
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$result['user'] = $user;
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} else {
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$result['error'] = 1;
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$result['msg'] = '没有该用户';
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}
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} else {
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$result['error'] = 1;
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$result['msg'] = 'openid为空';
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}
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return $result;
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}
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} |