130 lines
4.3 KiB
PHP
130 lines
4.3 KiB
PHP
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<?php
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/* *
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* 类名：AlipaySubmit
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* 功能：支付宝各接口请求提交类
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* 详细：构造支付宝各接口表单HTML文本，获取远程HTTP数据
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* 版本：3.3
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* 日期：2012-07-23
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* 说明：
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* 以下代码只是为了方便商户测试而提供的样例代码，商户可以根据自己网站的需要，按照技术文档编写,并非一定要使用该代码。
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* 该代码仅供学习和研究支付宝接口使用，只是提供一个参考。
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*/
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require_once("alipay_core.function.php");
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require_once("alipay_md5.function.php");
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class AlipaySubmit {
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var $alipay_config;
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/**
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*支付宝网关地址（新）
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*/
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var $alipay_gateway_new = 'https://mapi.alipay.com/gateway.do?';
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function __construct($alipay_config){
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$this->alipay_config = $alipay_config;
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}
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function AlipaySubmit($alipay_config) {
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$this->__construct($alipay_config);
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}
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/**
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* 生成签名结果
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* @param $para_sort 已排序要签名的数组
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* return 签名结果字符串
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*/
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function buildRequestMysign($para_sort) {
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//把数组所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串
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$prestr = createLinkstring($para_sort);
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$mysign = "";
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switch (strtoupper(trim($this->alipay_config['sign_type']))) {
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case "MD5" :
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$mysign = md5Sign($prestr, $this->alipay_config['key']);
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break;
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default :
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$mysign = "";
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}
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return $mysign;
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}
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/**
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* 生成要请求给支付宝的参数数组
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* @param $para_temp 请求前的参数数组
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* @return 要请求的参数数组
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*/
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function buildRequestPara($para_temp) {
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//除去待签名参数数组中的空值和签名参数
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$para_filter = paraFilter($para_temp);
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//对待签名参数数组排序
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$para_sort = argSort($para_filter);
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//生成签名结果
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$mysign = $this->buildRequestMysign($para_sort);
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//签名结果与签名方式加入请求提交参数组中
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$para_sort['sign'] = $mysign;
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$para_sort['sign_type'] = strtoupper(trim($this->alipay_config['sign_type']));
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return $para_sort;
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}
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/**
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* 生成要请求给支付宝的参数数组
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* @param $para_temp 请求前的参数数组
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* @return 要请求的参数数组字符串
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*/
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function buildRequestParaToString($para_temp) {
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//待请求参数数组
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$para = $this->buildRequestPara($para_temp);
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//把参数组中所有元素，按照“参数=参数值”的模式用“&”字符拼接成字符串，并对字符串做urlencode编码
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$request_data = createLinkstringUrlencode($para);
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return $request_data;
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}
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/**
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* 建立请求，以表单HTML形式构造（默认）
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* @param $para_temp 请求参数数组
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* @param $method 提交方式。两个值可选：post、get
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* @param $button_name 确认按钮显示文字
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* @return 提交表单HTML文本
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*/
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function buildRequestForm($para_temp, $method, $button_name) {
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//待请求参数数组
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$para = $this->buildRequestPara($para_temp);
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$sHtml = "<form id='alipaysubmit' name='alipaysubmit' action='".$this->alipay_gateway_new."_input_charset=".trim(strtolower($this->alipay_config['input_charset']))."' method='".$method."'>";
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while (list ($key, $val) = each ($para)) {
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$sHtml.= "<input type='hidden' name='".$key."' value='".$val."'/>";
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}
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//submit按钮控件请不要含有name属性
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$sHtml = $sHtml."<input type='submit' value='".$button_name."' style='display:none;'></form>";
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$sHtml = $sHtml."<script>document.forms['alipaysubmit'].submit();</script>";
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return $sHtml;
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}
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/**
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* 用于防钓鱼，调用接口query_timestamp来获取时间戳的处理函数
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* 注意：该功能PHP5环境及以上支持，因此必须服务器、本地电脑中装有支持DOMDocument、SSL的PHP配置环境。建议本地调试时使用PHP开发软件
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* return 时间戳字符串
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*/
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function query_timestamp() {
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$url = $this->alipay_gateway_new."service=query_timestamp&partner=".trim(strtolower($this->alipay_config['partner']))."&_input_charset=".trim(strtolower($this->alipay_config['input_charset']));
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$encrypt_key = "";
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$doc = new DOMDocument();
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$doc->load($url);
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$itemEncrypt_key = $doc->getElementsByTagName( "encrypt_key" );
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$encrypt_key = $itemEncrypt_key->item(0)->nodeValue;
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return $encrypt_key;
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}
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}
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?>
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