注意：乐百分是分测试与正式帐号的

3，注意事项：
1.交易金额范围（600—50000）元。

2.交易测试账号：接口使用（商户名称、商户编号、接口密码）乐百分管理后台使用（商户登录账号、登录密码、退款密码、PC端登陆地址）。

3.测试环境只能使用测试卡信息表中的卡号、cvn、有效期等信息做测试交易，身份证号可以填写真实个人身份证，若填写真实的卡号等信息是无法做交易的。

4.测试时需要接收短信验证码，因此手机号要为真实有效的手机号码。若无法接收短信，切勿多次触发短信验证码，可检查是否手机网络问题，或同一手机号测试交易过多，换其他手机号测试。

5.为了测试方便测试环境的扣款间隔为两天一期，若需测试退款请在交易第二天（清算后）操作。

6.测试完成，要接到乐百分生产环境时需更换商户编号、商户名称、商户简称、接口密码、生产环境域名，证书不用更换。

两个文件放到 \extend\lfqpay php文件

LebaifenPay.php

参数都在缓存取得

<?php
namespace lfqpay;/*** 乐百分 支付** Created by .* User: going1000* Date: 9/19/16* Time: 4:34 PM*/class LebaifenPay
{//  private  $version = '1.0.0';
//  private  $encoding = 'utf-8';const VS = '1.0.0';//$versionconst ED = 'utf-8';//$encodingpublic $lbfpay_conf;public $cert_addr;public $lfqpay_cert_password;public $create_api;public $cancel_api;public $query_api;public $front_url;public $back_url;public function __construct(){//初始化，取得微信支付参数$system_cofing=system_cofing();$this->lbfpay_conf = $system_cofing;$lfqpay_cert_addr=explode('/uploads/',$system_cofing['lfqpay_cert_addr']);//http://www.cg.com/uploads/file/20191230\e675796c651a74dd9272a8705dbb22e3.pfx$this->cert_addr='./uploads/'.$lfqpay_cert_addr[1];//证书绝对路径 $this->lfqpay_cert_password=$system_cofing['lfqpay_cert_password'];$system_website=$this->lbfpay_conf['system_website'];$this->front_url=$system_website.'/pay/index/lfqpay_notify_url';//交易完成或失败通过此地址同步返回交易结果到商户页面   同步回调  http://www.1.com/lbf_pay/frontUrl.php$this->back_url=$system_website.'/pay/index/lfqpay_notify';//异步通知交易结果以及后期 异步回调 http://www.1.com/lbf_pay/backUrl.phpif($system_cofing['lfqpay_test_is']){//1=正式环境(正式上线支付)$this->create_api='https://interface.lfqpay.com/lfq-pay/gateway/api/frontTransRequest.do';$this->cancel_api='https://interface.lfqpay.com/lfq-pay/gateway/api/backCancelRequest.do';$this->query_api='https://interface.lfqpay.com/lfq-pay/gateway/api/singleQueryRequest.do';}else{//0=测试环境 $this->create_api='https://tt.lfqpay.com/lfq-pay/gateway/api/frontTransRequest.do';$this->cancel_api='https://tt.lfqpay.com/lfq-pay/gateway/api/backCancelRequest.do';$this->query_api='https://tt.lfqpay.com/lfq-pay/gateway/api/singleQueryRequest.do';}//分期数$this->choose_installments_num=$system_cofing['lfqpay_txnTerms'];
//      dump($data['choose_installments_num']);exit;}/*** 创建-pc** @param $data* @return string* @throws ErrorException*/public function buildRequestForm($data){//     分期数if($data['choose_installments_num']){$choose_installments_num=$data['choose_installments_num'];}else{$choose_installments_num=$this->choose_installments_num;}$rs = openssl_pkcs12_read(file_get_contents( $this->cert_addr), $cert, $this->lfqpay_cert_password);$certdata = openssl_x509_parse($cert['cert']);if(empty($certdata) || !$this->front_url || !$this->back_url || !$this->lbfpay_conf['lfqpay_merId'] || !$this->lbfpay_conf['lfqpay_merName'] || !$this->lbfpay_conf['lfqpay_merPwd']){$sHtml='缺少必要参数!';}else{//正确$param =array('certId' => $certdata['serialNumber'],'version' => self::VS,'txnType' => '01', // 创建'frontUrl' => $this->front_url, // 同步回调'backUrl' => $this->back_url, // 异步回调'encoding' => self::ED,'merId' => $this->lbfpay_conf['lfqpay_merId'],'merName' => $this->lbfpay_conf['lfqpay_merName'],//商户名称'merAbbr' => $this->lbfpay_conf['lfqpay_merName'],//商户简称'merPwd' => $this->lbfpay_conf['lfqpay_merPwd'], // 商户密码，必送'orderId' => $data['out_trade_no'], // 订单号'txnTime' => date('YmdHis'), // 发送时间'txnAmt' => round($data['total_fee'] * 100), // 订单总额 (单位分)'txnTerms' => $choose_installments_num?$choose_installments_num:6, // 分期数'txnTermsList' => 15, // 前台交易时可通过此参数控制页面显示的分期数列表。不同分期之间用逗号分开，如“3,6”。'merNote' => $data['body'], // 物品信息'userMac' => ',',//'monthAmount' => round($data['price_per_installments_without_lbf_price'] * 100),//'discount' => round($data['ahs_subsidies'] * 100),'validTime' => date('YmdHis')+ 60*60*24*3 // 超时时间 yyyyMMddHHmmss);//      dump($param);die;$sign = $this->_sign($param);$param['signature'] = $sign;$sHtml = "<form name='xxform' action='{$this->create_api}' method='get'>";foreach ($param as $key => $val) {$sHtml .= " <input type='hidden' name='" . $key . "' value='" . $val . "'/> ";}$sHtml = $sHtml . "</form>";$sHtml = $sHtml . "<script>document.forms['xxform'].submit();</script>";}
//      dump($sHtml);exit;return $sHtml;}/*** 创建-移动app** @param $data* @return string* @throws ErrorException*/public function buildRequestFormApp($data){//     分期数if($data['choose_installments_num']){$choose_installments_num=$data['choose_installments_num'];}else{$choose_installments_num=$this->choose_installments_num;}$choose_installments_num=$choose_installments_num?$choose_installments_num:6;$rs = openssl_pkcs12_read(file_get_contents( $this->cert_addr), $cert, $this->lfqpay_cert_password);$certdata = openssl_x509_parse($cert['cert']);if(empty($certdata) || !$this->front_url || !$this->back_url || !$this->lbfpay_conf['lfqpay_merId'] || !$this->lbfpay_conf['lfqpay_merName'] || !$this->lbfpay_conf['lfqpay_merPwd']){$param=[];}else{//正确$txnTime=date('YmdHis');$validTime=$txnTime + 60*60*24*3;//用于签名$param_sign =array('certId' => $certdata['serialNumber'],'version' => self::VS,'txnType' => '01', // 创建'frontUrl' => $this->front_url, // 同步回调'backUrl' => $this->back_url, // 异步回调'encoding' => self::ED,'merId' => $this->lbfpay_conf['lfqpay_merId'],'merName' => $this->lbfpay_conf['lfqpay_merName'],//商户名称'merAbbr' => $this->lbfpay_conf['lfqpay_merName'],//商户简称'merPwd' => $this->lbfpay_conf['lfqpay_merPwd'], // 商户密码，必送'orderId' => $data['out_trade_no'], // 订单号'txnTime' => $txnTime, // 发送时间'txnAmt' => round($data['total_fee'] * 100), // 订单总额 (单位分)'txnTerms' => $choose_installments_num, // 分期数'txnTermsList' => 15, // 前台交易时可通过此参数控制页面显示的分期数列表。不同分期之间用逗号分开，如“3,6”。'merNote' => $data['body'], // 物品信息'userMac' => ',',//'monthAmount' => round($data['price_per_installments_without_lbf_price'] * 100),//'discount' => round($data['ahs_subsidies'] * 100),'validTime' => $validTime // 超时时间 yyyyMMddHHmmss);
//          dump($param_sign);$param =array('certId' => 'certId='.$certdata['serialNumber'],'version' => '&version='.self::VS,'txnType' => '&txnType='.'01', // 创建'frontUrl' => '&frontUrl='.$this->front_url, // 同步回调'backUrl' => '&backUrl='.$this->back_url, // 异步回调'encoding' => '&encoding='.self::ED,'merId' => '&merId='.$this->lbfpay_conf['lfqpay_merId'],'merName' => '&merName='.$this->lbfpay_conf['lfqpay_merName'],//商户名称'merAbbr' => '&merAbbr='.$this->lbfpay_conf['lfqpay_merName'],//商户简称'merPwd' => '&merPwd='.$this->lbfpay_conf['lfqpay_merPwd'], // 商户密码，必送'orderId' => '&orderId='.$data['out_trade_no'], // 订单号'txnTime' => '&txnTime='.$txnTime, // 发送时间'txnAmt' => '&txnAmt='.round($data['total_fee'] * 100), // 订单总额 (单位分)'txnTerms' => '&txnTerms='.$choose_installments_num, // 分期数'txnTermsList' => '&txnTermsList=15', // 前台交易时可通过此参数控制页面显示的分期数列表。不同分期之间用逗号分开，如“3,6”。'merNote' => '&merNote='.$data['body'], // 物品信息'userMac' => '&userMac=,',//'monthAmount' => round($data['price_per_installments_without_lbf_price'] * 100),//'discount' => round($data['ahs_subsidies'] * 100),'validTime' => '&validTime='.$validTime // 超时时间 yyyyMMddHHmmss);
//          dump($param);exit;$sign = $this->_sign($param_sign);$param['signature'] = '&signature='.urlencode($sign);$param['url'] = $this->create_api.'?';}return $param;}/*** 取消订单** @param $contractsCode* @return bool* @throws ErrorException* @throws UserException*/public function cancel($contractsCode) {
//      $lbfpay_conf = Config::get('onlinepay.lbfpay');//      $rs = openssl_pkcs12_read(file_get_contents(__DIR__ . $lbfpay_conf['cert_addr']), $cert, $lbfpay_conf['cert_password']);$rs = openssl_pkcs12_read(file_get_contents( $this->cert_addr), $cert, $this->lfqpay_cert_password);$certdata = openssl_x509_parse($cert['cert']);$param=array('certId' => $certdata['serialNumber'],'version' => self::VS,'encoding' => self::ED,'txnType' => '04', // 退款'txnTime' => date('YmdHis'), // 发送时间'merId' => $this->lbfpay_conf['lfqpay_merId'],'merName' => $this->lbfpay_conf['lfqpay_merName'],'merAbbr' => $this->lbfpay_conf['lfqpay_merName'],'merPwd' => $this->lbfpay_conf['lfqpay_merPwd'], // 商户密码，必送'backUrl' => $this->back_url,'contractsCode' => $contractsCode);$sign = $this->_sign($param);$param['signature'] = $sign;$rs = CurlHandler::post($this->cancel_api, $param);$arr = json_decode($rs, true);if($arr['respCode'] === '0000' && $contractsCode == $arr['contractsCode'] && $arr['state'] === '1') {return true;} else {throw new UserException($rs);}}/*** 确认收货** @param $contractsCode* @return bool* @throws ErrorException* @throws UserException*/public function confirm($data) {
//      $lbfpay_conf = Config::get('onlinepay.lbfpay');
//
//      $rs = openssl_pkcs12_read(file_get_contents(__DIR__ . $lbfpay_conf['cert_addr']), $cert, $lbfpay_conf['cert_password']);$rs = openssl_pkcs12_read(file_get_contents( $this->cert_addr), $cert, $this->lfqpay_cert_password);$certdata = openssl_x509_parse($cert['cert']);$param =  array('certId' => $certdata['serialNumber'],'version' => self::VS,'encoding' => self::ED,'txnType' => '91', // 确认收货'txnTime' => date('YmdHis'), // 发送时间'merId' => $this->lbfpay_conf['lfqpay_merId'],'merName' => $this->lbfpay_conf['lfqpay_merName'],'merAbbr' => $this->lbfpay_conf['lfqpay_merName'],'merPwd' => $this->lbfpay_conf['lfqpay_merPwd'], // 商户密码，必送'backUrl' => $this->back_url,'contractsCode' => $contractsCode);$sign = $this->_sign($param);$param['signature'] = $sign;$rs = CurlHandler::post($lbfpay_conf['confirm_api'], $param);$arr = json_decode($rs, true);if($arr['respCode'] === '0000' && $contractsCode == $arr['contractsCode']) {return true;} else {
//          throw new UserException($arr['respMsg']);
//          throw new \Exception($arr['respMsg']);return false;}}/*** 查询定单** @param $data* @return bool*/public function query($data) {$rs = openssl_pkcs12_read(file_get_contents( $this->cert_addr), $cert, $this->lfqpay_cert_password);$certdata = openssl_x509_parse($cert['cert']);$param =  array('certId' => $certdata['serialNumber'],'version' => self::VS,'encoding' => self::ED,'txnType' => '73', // 订单查询'txnTime' => date('YmdHis'), // 发送时间'orderId' => $data['out_trade_no'], // 订单号'merId' => $this->lbfpay_conf['lfqpay_merId'],'merName' => $this->lbfpay_conf['lfqpay_merName'],'merAbbr' => $this->lbfpay_conf['lfqpay_merName'],'merPwd' => $this->lbfpay_conf['lfqpay_merPwd'], // 商户密码，必送);$sign = $this->_sign($param);$param['signature'] = $sign;
//      dump($param);
//      dump($this->query_api);$returndata=postCurl($this->query_api,$param);
//      dump($returndata);return $returndata;}/*** 签名数据** @param $data* @return string* @throws ErrorException*/function _sign($data){
//      $lbfpay_conf = Config::get('onlinepay.lbfpay');
//      $rs = openssl_pkcs12_read(file_get_contents(__DIR__ . $lbfpay_conf['cert_addr']), $cert, $lbfpay_conf['cert_password']);
//      dump($this->cert_addr);$rs = openssl_pkcs12_read(file_get_contents($this->cert_addr), $cert, $this->lfqpay_cert_password);
//      dump($rs);if($rs) {$a= new OpensslAuth ;$sign = $a ->generate_signature($this->_sha1_from_param($data), $cert['pkey']);} else {
//          throw new ErrorException('证书获取失败');throw new \Exception('证书获取失败');}return $sign;}/*** 验签** @param $data* @return bool*/function _vertify_sign($data){
//      $lbfpay_conf = Config::get('onlinepay.lbfpay');// 过滤 signature$sign = $data['signature'];unset($data['signature']);//      openssl_pkcs12_read(file_get_contents(__DIR__ . $lbfpay_conf['cert_addr']), $cert, $lbfpay_conf['cert_password']);$rs = openssl_pkcs12_read(file_get_contents( $this->cert_addr), $cert, $this->lfqpay_cert_password);$a=new OpensslAuth;$verify_rs =  $a->vertify_signature($this->_sha1_from_param($data), $cert['cert'], $sign);return $verify_rs;}/*** 从参数中提取 sha1 摘要** @param $data* @return string*/private function _sha1_from_param($data) {// 排序ksort($data);// 签名$tmp_str = '';foreach ($data as $k => $v) {$tmp_str .= $k . '=' . $v . '&';}$tmp_str = trim($tmp_str, '&');// sha1 摘要$tmp_str = sha1($tmp_str);return $tmp_str;}
}

OpensslAuth.php

<?php
namespace lfqpay;class OpensslAuth
{private $_private_key;private $_public_key;function set_private_key($key){$this->_private_key = $key;}function get_private_key(){return $this->_private_key;}function set_public_key($key){$this->_public_key = $key;}function get_public_key(){return $this->_public_key;}/*** 生成签名** @param $salt* @param $private_key* @return string* @throws \Exception*/function generate_signature($salt, $private_key){$res = openssl_pkey_get_private($private_key);if (!openssl_sign($salt, $signature, $res)) {throw new ErrorException('open ssl error');}return base64_encode($signature);}/*** 验证签名是否正确** @param $salt* @param $public_key* @param $signature* @return bool*/function vertify_signature($salt, $public_key, $signature){$signature = base64_decode($signature);$res = openssl_pkey_get_public($public_key);if (openssl_verify($salt, $signature, $res) === 1) {return true;} else {return false;}}}

1.PC控制器方法

         $params = ['choose_installments_num' => $choose_installments_num,//分期数'body' => $body,//订单名称 商品简单描述'out_trade_no' => $out_trade_no,//订单号'total_fee' => $price,//总价格 如果购买多个商品，就是多个商品的总价 ,];$returnDa = new \lfqpay\LebaifenPay;$result=$returnDa->buildRequestForm($params);

2.移动方法（API接口方式）

参数组成一个网址形式返回给前端网页，收到网址就是打开一个外部连接网址

https://tt.lfqpay.com/lfq-pay/gateway/api/frontTransRequest.do?certId=&version=&txnType=&frontUrl=&backUrl=&encoding=&merId=&merName=&merAbbr=&orderId=&txnTime=&txnAmt=&txnTerms=txnTermsList&merNote=&userMac=&validTime=&signature=

                 $params = ['choose_installments_num' => $choose_installments_num,//分期数'body' => $body,//订单名称 商品简单描述'out_trade_no' => $out_trade_no,//订单号'total_fee' => $price,//总价格 如果购买多个商品，就是多个商品的总价 ,];$returnDa = new \lfqpay\LebaifenPay;$result=$returnDa->buildRequestFormApp($params);if(empty($result)){throw new \Exception(json_encode(array('code'=>7001,'msg'=>'缺少必要参数','out_trade_no'=>$out_trade_no)));}$returnArr['url']=$result['url'].$result['certId'].$result['version'].$result['txnType'].$result['frontUrl'].$result['backUrl'].$result['encoding'].$result['merId'].$result['merName'].$result['merAbbr'].$result['merPwd'].$result['orderId'].$result['txnTime'].$result['txnAmt'].$result['txnTerms'].$result['txnTermsList'].$result['merNote'].$result['userMac'].$result['validTime'].$result['signature'];

重点：签名那里要urlencode($sign)，不然网址带+空变是空格的，会验证失败

3.回调

   //同步调回接口  乐百分分期 支付public function lfqpay_notify_url(){$postStr=input('get.');if($postStr['respCode']=='0000'){//成功$this->lfqpayNotify($postStr);}else{if($postStr['respCode']=='0140'){//单笔交易金额不在规定范围内$msg=',金额在600-50000元之间';}$respMsg=$postStr['respMsg'].$msg;$this->error($respMsg,'index/user/order');}}//异步调回接口 乐百分分期 支付public function lfqpay_notify(){$data=input('post.');$orderId=input('post.orderId');$respMsg=input('post.respMsg');$respCode=input('post.respCode');//收到支付成功通知变更订单状态if($orderId&&$respMsg=='成功'&&$respCode=='0000'){//收到支付成功通知变更订单状态$this->lfqpayNotify($data);//处理完所有订单状态等信息后输出successecho "success";}}//乐百分分期支付成功后回调共同的操作public function lfqpayNotify($data){//判断合法性 $returnDa = new \lfqpay\LebaifenPay;$sign_is=$returnDa->_vertify_sign($data);if(!empty($sign_is)){//成功}}

php原生demo我放个到个人百度网盘中，就不分享出来了，，有些证书不适合。。。。

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注意：乐百分是分测试与正式帐号的

6.测试完成，要接到乐百分生产环境时需更换商户编号、商户名称、商户简称、接口密码、生产环境域名，证书不用更换。

两个文件放到 \extend\lfqpay php文件

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