详解PHP实现支付宝小程序用户授权的工具类_php实例_

 $token, ]; $param = self::buildApiBuisinessParam($busiParam,self::API_METHOD_GET_USER_INFO); return $param; } /** *获取二维码的基础参数 */ public static function getQrcodeBaseParam($page= 'pages/index/index',$queryParam = [],$describe = ''){ $busiParam = [ 'biz_content' => self::getQrBizContent($page,$queryParam,$describe) ]; $param = self::buildApiBuisinessParam($busiParam,self::API_METHOD_GENERATE_QR); return $param; } /** *获取授权的基础参数 */ public static function getAuthBaseParam($code,$refreshToken = ''){ $busiParam = [ 'grant_type' => 'authorization_code', 'code' => $code, 'refresh_token' => $refreshToken, ]; $param = self::buildApiBuisinessParam($busiParam,self::API_METHOD_AUTH_TOKEN); return $param; } /** * 构建业务参数 */ public static function buildApiBuisinessParam($businessParam,$apiMethod){ $pubParam = self::getApiPubParam($apiMethod); $businessParam = array_merge($pubParam,$businessParam); $signContent = self::getSignContent($businessParam); error_log('sign_content ===========>'.$signContent); $rsaHelper = new RsaHelper(); $sign = $rsaHelper->createSign($signContent); error_log('sign ===========>'.$sign); $businessParam['sign'] = $sign; return $businessParam; } /** * 公共参数 * */ public static function getApiPubParam($apiMethod){ $ampBaseInfo = BusinessHelper::getAmpBaseInfo(); $param = [ 'timestamp' => date('Y-m-d H:i:s') , 'method' => $apiMethod, 'app_id' => formatArrValue($ampBaseInfo,'appid',config('param.amp.appid')), 'sign_type' =>self::SIGN_TYPE_RSA2, 'charset' =>self::FILE_CHARSET_UTF8, 'version' =>self::VERSION, ]; return $param; } /** * 获取签名的内容 */ public static function getSignContent($params) { ksort($params); $stringToBeSigned = ""; $i = 0; foreach ($params as $k => $v) { if (!empty($v) && "@" != substr($v, 0, 1)) { if ($i == 0) { $stringToBeSigned .= "$k" . "=" . "$v"; } else { $stringToBeSigned .= "&" . "$k" . "=" . "$v"; } $i++; } } unset ($k, $v); return $stringToBeSigned; } public static function convertArrToQueryParam($param){ $queryParam = []; foreach ($param as $key => $val){ $obj = $key.'='.$val; array_push($queryParam,$obj); } $queryStr = implode('&',$queryParam); return $queryStr; } /** * 转换字符集编码 * @param $data * @param $targetCharset * @return string */ public static function characet($data, $targetCharset) { if (!empty($data)) { $fileType = self::FILE_CHARSET_UTF8; if (strcasecmp($fileType, $targetCharset) != 0) { $data = mb_convert_encoding($data, $targetCharset, $fileType); } } return $data; } /** * 获取业务参数内容 */ public static function getQrBizContent($page, $queryParam = [],$describe = ''){ if(is_array($queryParam)){ $queryParam = http_build_query($queryParam); } $obj = [ 'url_param' => $page, 'query_param' => $queryParam, 'describe' => $describe ]; $bizContent = json_encode($obj,JSON_UNESCAPED_UNICODE); return $bizContent; } }

 //支付宝的api接口地址 const API_DOMAIN = "https://openapi.alipay.com/gateway.do?"; //获取支付宝二维码的接口方法 const API_METHOD_GENERATE_QR = 'alipay.open.app.qrcode.create'; //获取token的接口方法 const API_METHOD_AUTH_TOKEN = 'alipay.system.oauth.token'; //获取用户信息的接口方法 const API_METHOD_GET_USER_INFO = 'alipay.user.info.share'; //支付宝的签名方式，由RSA2和RSA两种 const SIGN_TYPE_RSA2 = 'RSA2'; //版本号，此处固定挑那些就可以了 const VERSION = '1.0'; //UTF8编码 const FILE_CHARSET_UTF8 = "UTF-8"; //GBK编码 const FILE_CHARSET_GBK = "GBK"; //二维码接口调用成功的 返回节点 const RESPONSE_OUTER_NODE_QR = 'alipay_open_app_qrcode_create_response'; //token接口调用成功的 返回节点 const RESPONSE_OUTER_NODE_AUTH_TOKEN = 'alipay_system_oauth_token_response'; //用户信息接口调用成功的 返回节点 const RESPONSE_OUTER_NODE_USER_INFO = 'alipay_user_info_share_response'; //错误的返回的时候的节点 const RESPONSE_OUTER_NODE_ERROR_RESPONSE = 'error_response'; const STATUS_CODE_SUCCESS = 10000; const STATUS_CODE_EXCEPT = 20000;