<?php
/*
+-----------------------------------------------------------------------+
| 作者： 一天空一
| Q Q: 31769416,[url=http://www.176k.cn]www.176k.cn[/url]
| 时间：2006-12-16
| 功能：网银在线支付接口封装类(2.0)                                             
+-----------------------------------------------------------------------+
*/
class Chinabank
{
        //发送参数
        private $v_mid;                  // 商户号
        private $v_url;                 //返回url
        private $key;                   //密钥
        public  $v_amount;             //支付金额
        private $v_m;  //支付币种
        private $v_md5info;           //md5加密后的字符串
        public  $remark1;             //备注字段1
        public  $remark2;            //备注字段2
        public  $v_oid;              //定单号
        //接收参数
        private $v_pmode;           // 支付方式（字符串）
        private $v_pstatus;        // 支付状态 ：20（支付成功）；30（支付失败）
        private $v_pstring;       // 支付结果信息
        private $v_md5str;       //返回后的md5
       
        function __construct($v_mid,$v_url,$key)
        {
                 $this->v_mid = $v_mid;
                 $this->v_url = $v_url;
                 $this->key   = $key;
        }
       
        /*设置支付金额*/
        public function  amount($amount=0)
        {
                $this->v_amount=floatval($amount);
        }
       
        /*设置备注*/
        public function  memol($memo1="",$memo2="")
        {
                $this->remark1=$memo1;
                $this->remark2=$memo2;
        }
       
        /*生成发送校验码*/
        private  function send_verify()
        {
                 $this->v_oid=date('Ymd',time())."-".$this->v_mid."-".date('His',time());
                 $text=$this->v_amount.$this->v_moneytype.$this->v_oid.$this->v_mid.$this->v_url.$this->key;
                $this->v_md5info=strtoupper(trim(md5($text)));
                $this->v_md5info=strtoupper(trim(md5($text)));       
        }
       
        /*生成接收校验码*/
        private function incept_verify()
        {
                $text=$this->v_oid.$this->v_pstatus.$this->v_amount.$this->v_moneytype.$this->key;
                return strtoupper(trim(md5($text)));
        }
       
        /*提交支付请求*/
        public function pay_send()       
        {
                $this->send_verify();
                $result="
                                <FORM  name=re METHOD=post ACTION='https://pay.chinabank.com.cn/select_bank'>
                                <input type='hidden' name='v_md5info' value='{$this->v_md5info}'>
                                <input type='hidden' name='v_mid' value='{$this->v_mid}'>
                                <input type='hidden' name='v_oid' value='{$this->v_oid}'>
                                <input type='hidden' name='v_amount' value='{$this->v_amount}'>
                                <input type='hidden' name='v_moneytype'  value='{$this->v_moneytype}'>
                                <input type='hidden' name='v_url' value='{$this->v_url}'>
                                <input type='hidden' name='remark1' value='{$this->remark1}'>
                                <input type='hidden' name='remark2' value='{$this->remark2}'>
                                </FORM>
                                <SCRIPT>re.submit();</SCRIPT>
                                ";
                $result=trim($result);
                echo $result;
        }
       
        /*提交返回处理*/
        public function pay_receive()
        {
                $this->v_oid = trim($_POST['v_oid']);
                $this->v_pmode = trim($_POST['v_pmode']);
                $this->v_pstatus = trim($_POST['v_pstatus']);
                $this->v_pstring = trim($_POST['v_pstring']);
                $this->v_amount = trim($_POST['v_amount']);
                $this->v_moneytype = trim($_POST['v_moneytype']);
                $this->remark1 = trim($_POST['remark1']);
                $this->remark2 = trim($_POST['remark2']);
                $this->v_md5str = trim($_POST['v_md5str']);
        }
       
        /*判断返回是否有效信息*/
        public function check_pay_receive()       
        {
                if ($this->v_md5str==$this->incept_verify()) {
                        return true;
                } else         {
                        return false;
                }
        }
       
        /*判断返回是否提交成功*/
        public function check_pay()       
        {
                if($this->v_pstatus=='20'){
                        return true;
                } else {
                        return false;
                }
        }
       
}
?>

[复制PHP代码] [ - ]PHP代码如下:
返回处理
                  $v_mid = 1234578995 ;
                  $v_url = "http://59.57.64.168/zl/index.php/Block/disposal";
                  $key  = '#$%%45454235243&*';
                  $pay = new Chinabank($v_mid,$v_url,$key);
                  $pay->pay_receive();
                              if ($pay->check_pay_receive()) {
                                        if ($pay->check_pay()) {
                                             //成功处理..
                                           } esle {
                                              echo "支付流程出现问题";
                                           }
                                 
                                  }else {
                  echo  'Md5校验码错误";
                  }