<?php if ( ! defined(‘BASEPATH‘)) exit(‘No direct script access allowed‘);/** * alipy支付接口 * @author onwulc@163.com * */class Alipay extends CI_Controller {    private $alipay_config;    function __construct(){        parent::__construct();        $this->_init_config();        $this->load->helper(‘url‘);    }     function index(){        $this->load->view(‘alipay‘);//装载支付视图页面，post到do_alipay    }     function do_alipay(){        require_once(APPPATH.‘third_party/alipay/alipay_submit.class.php‘);        //构造要请求的参数数组，无需改动        $parameter = array(            "service" => "create_direct_pay_by_user",            "partner" => trim($this->alipay_config[‘partner‘]),            "payment_type"    => ‘1‘,            "notify_url"    => site_url(‘alipay/do_notify‘),            "return_url"    => site_url(‘alipay/do_return‘),            "seller_email"    => trim($this->alipay_config[‘seller_emaill‘]),//支付宝帐户,            "out_trade_no"    => $this->input->post(‘WIDout_trade_no‘),//商户订单号            "subject"    => $this->input->post(‘WIDsubject‘),//订单名称            "total_fee"    => $this->input->post(‘WIDtotal_fee‘),//必填,付款金额            "body"    => $this->input->post(‘WIDbody‘),//必填,订单描述            "show_url"    => $this->input->post(‘WIDshow_url‘),//商品展示地址            "anti_phishing_key"    => ‘‘,//防钓鱼时间戳            "exter_invoke_ip"    => ‘‘,//客户端的IP地址            "_input_charset"    => trim(strtolower($this->alipay_config[‘input_charset‘]))        );         //建立请求        $alipaySubmit = new AlipaySubmit($this->alipay_config);        $html_text = $alipaySubmit->buildRequestForm($parameter,"get", "确认");        echo $html_text;    }     function do_notify(){        require_once(APPPATH.‘third_party/alipay/alipay_notify.class.php‘);     }     function do_return(){        require_once(APPPATH.‘third_party/alipay/alipay_notify.class.php‘);        $alipayNotify = new AlipayNotify($this->alipay_config);        $verify_result = $alipayNotify->verifyReturn();                //商户订单号        $out_trade_no = $_GET[‘out_trade_no‘];         //支付宝交易号        $trade_no = $_GET[‘trade_no‘];         //交易状态        $trade_status = $_GET[‘trade_status‘];          if($_GET[‘trade_status‘] == ‘TRADE_FINISHED‘ || $_GET[‘trade_status‘] == ‘TRADE_SUCCESS‘) {            //判断该笔订单是否在商户网站中已经做过处理            //如果没有做过处理，根据订单号（out_trade_no）在商户网站的订单系统中查到该笔订单的详细，并执行商户的业务程序            //如果有做过处理，不执行商户的业务程序            echo ‘支付成功，交易处理环节‘;        }else {            echo "trade_status=".$_GET[‘trade_status‘];        }         echo "验证成功<br />";     }     /**     * 初始化支付宝配置，详细参数请根据自己实际接口修改     */    private function _init_config(){        //支付宝帐户        $alipay_config[‘seller_emaill‘] = ‘‘;                 //合作身份者id，以2088开头的16位纯数字        $alipay_config[‘partner‘] = ‘2088999999999999‘;                        //安全检验码，以数字和字母组成的32位字符        $alipay_config[‘key‘] = ‘vhyjvdht3ayxbtx692vlkbwilhXXXXXX‘;         //签名方式 不需修改        $alipay_config[‘sign_type‘] = strtoupper(‘MD5‘);         //字符编码格式 目前支持 gbk 或 utf-8        $alipay_config[‘input_charset‘] = strtolower(‘utf-8‘);         //ca证书路径地址，用于curl中ssl校验        //请保证cacert.pem文件在当前文件夹目录中        $alipay_config[‘cacert‘] = APPPATH.‘third_party/alipay/cacert.pem‘;         //访问模式,根据自己的服务器是否支持ssl访问，若支持请选择https；若不支持请选择http        $alipay_config[‘transport‘] = ‘http‘;         $this->alipay_config = $alipay_config;    }}