PHP后台实现微信小程序登录

login: function(e) { var that = this; wx.login({ success: function(res){ var code = res.code; //获取code wx.getUserInfo({ //得到rawData, signatrue, encryptData success: function(data){ var rawData = data.rawData; var signature = data.signature; var encryptedData = data.encryptedData;  var iv = data.iv; wx.request({ url: "你自己的后台地址", data: { "code" : code, "rawData" : rawData, "signature" : signature, "iv" : iv, "encryptedData": encryptedData }, method: "GET",  success: function(info){ console.log(info); } }) } }) }, }) }

/* *登录（调用wx.login获取） * @param $code string * @param $rawData string * @param $signatrue string * @param $encryptedData string * @param $iv string * @return $code 成功码 * @return $session3rd 第三方3rd_session * @return $data 用户数据 */ public function login() { //开发者使用登陆凭证 code 获取 session_key 和 openid $APPID = "";//自己配置 $AppSecret = "";//自己配置 $code = input("code"); $url = "https://api.weixin.qq.com/sns/jscode2session?appid=" . $APPID . "&secret=" . $AppSecret . "&js_code=" . $code . "&grant_type=authorization_code"; $arr = $this->vget($url); // 一个使用curl实现的get方法请求 $arr = json_decode($arr, true); $openid = $arr["openid"]; $session_key = $arr["session_key"]; // 数据签名校验 $signature = input("signature"); $rawData = Request::instance()->post("rawData"); $signature2 = sha1($rawData . $session_key); if ($signature != $signature2) { return json(["code" => 500, "msg" => "数据签名验证失败！"]); } Vendor("PHP.wxBizDataCrypt"); //加载解密文件，在官方有下载 $encryptedData = input("encryptedData"); $iv = input("iv"); $pc = new WXBizDataCrypt($APPID, $session_key); $errCode = $pc->decryptData($encryptedData, $iv, $data); //其中$data包含用户的所有数据 $data = json_decode($data); if ($errCode == 0) { dump($data); die;//打印解密所得的用户信息 } else { echo $errCode;//打印失败信息 } } public function vget($url){ $info=curl_init(); curl_setopt($info,CURLOPT_RETURNTRANSFER,true); curl_setopt($info,CURLOPT_HEADER,0); curl_setopt($info,CURLOPT_NOBODY,0); curl_setopt($info,CURLOPT_SSL_VERIFYPEER, false); curl_setopt($info,CURLOPT_SSL_VERIFYHOST, false); curl_setopt($info,CURLOPT_URL,$url); $output= curl_exec($info); curl_close($info); return $output;}