__CreateOauthUrlForCode($baseUrl); Header("Location: $url"); exit(); } else { //获取code码，以获取openid $code = $_GET['code']; $openid = $this->getOpenidFromMp($code); return $openid; } } /** * * 获取jsapi支付的参数 * @param array $UnifiedOrderResult 统一支付接口返回的数据 * @throws WxPayException * * @return json数据，可直接填入js函数作为参数 */ public function GetJsApiParameters($UnifiedOrderResult) { if(!array_key_exists("appid", $UnifiedOrderResult)) return ['return_code' => 'fail' , 'msg' => 'not appid']; if (!array_key_exists("prepay_id", $UnifiedOrderResult)) return ['return_code' => 'fail' , 'msg' => 'not prepay_id']; if ($UnifiedOrderResult['prepay_id'] == "") { return ['return_code' => 'fail' , 'msg' => 'not prepay_id']; } $jsapi = new WxPayJsApiPay(); $jsapi->SetAppid($UnifiedOrderResult["appid"]); $timeStamp = time(); $jsapi->SetTimeStamp("$timeStamp"); $jsapi->SetNonceStr(WxPayApi::getNonceStr()); $jsapi->SetPackage("prepay_id=" . $UnifiedOrderResult['prepay_id']); $jsapi->SetSignType("MD5"); $jsapi->SetPaySign($jsapi->MakeSign()); $parameters = json_encode($jsapi->GetValues()); return $parameters; } /** * * 通过code从工作平台获取openid机器access_token * @param string $code 微信跳转回来带上的code * * @return openid */ public function GetOpenidFromMp($code) { $url = $this->__CreateOauthUrlForOpenid($code); //初始化curl $ch = curl_init(); //设置超时 curl_setopt($ch, CURLOPT_TIMEOUT,60); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER,FALSE); curl_setopt($ch, CURLOPT_SSL_VERIFYHOST,FALSE); curl_setopt($ch, CURLOPT_HEADER, FALSE); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); if(WX_CURL_PROXY_HOST != "0.0.0.0" && WX_CURL_PROXY_PORT != 0){ curl_setopt($ch,CURLOPT_PROXY, WX_CURL_PROXY_HOST); curl_setopt($ch,CURLOPT_PROXYPORT, WX_CURL_PROXY_PORT); } //运行curl，结果以jason形式返回 $res = curl_exec($ch); curl_close($ch); //取出openid $data = json_decode($res,true); // var_dump($data);die; $this->data = $data; $openid = $data['openid']; return $openid; } /** * * 拼接签名字符串 * @param array $urlObj * * @return 返回已经拼接好的字符串 */ private function ToUrlParams($urlObj) { $buff = ""; foreach ($urlObj as $k => $v) { if($k != "sign"){ $buff .= $k . "=" . $v . "&"; } } $buff = trim($buff, "&"); return $buff; } /** * * 获取地址js参数 * * @return 获取共享收货地址js函数需要的参数，json格式可以直接做参数使用 */ public function GetEditAddressParameters() { $getData = $this->data; $data = array(); $data["appid"] = WX_APPID; $data["url"] = "http://".$_SERVER['HTTP_HOST'].$_SERVER['REQUEST_URI']; $time = time(); $data["timestamp"] = "$time"; $data["noncestr"] = "1234568"; $data["accesstoken"] = $getData["access_token"]; ksort($data); $params = $this->ToUrlParams($data); $addrSign = sha1($params); $afterData = array( "addrSign" => $addrSign, "signType" => "sha1", "scope" => "jsapi_address", "appId" => WX_APPID, "timeStamp" => $data["timestamp"], "nonceStr" => $data["noncestr"] ); $parameters = json_encode($afterData); return $parameters; } /** * * 构造获取code的url连接 * @param string $redirectUrl 微信服务器回跳的url，需要url编码 * * @return 返回构造好的url */ private function __CreateOauthUrlForCode($redirectUrl) { $urlObj["appid"] = WX_APPID; $urlObj["redirect_uri"] = "$redirectUrl"; $urlObj["response_type"] = "code"; $urlObj["scope"] = "snsapi_base"; $urlObj["state"] = "STATE"."#wechat_redirect"; $bizString = $this->ToUrlParams($urlObj); return "https://open.weixin.qq.com/connect/oauth2/authorize?".$bizString; } /** * * 构造获取open和access_toke的url地址 * @param string $code，微信跳转带回的code * * @return 请求的url */ private function __CreateOauthUrlForOpenid($code) { $urlObj["appid"] = WX_APPID; $urlObj["secret"] = WX_APPSECRET; $urlObj["code"] = $code; $urlObj["grant_type"] = "authorization_code"; $bizString = $this->ToUrlParams($urlObj); return "https://api.weixin.qq.com/sns/oauth2/access_token?".$bizString; } }