titan
/
fusian


			
				
					
						
						
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							<?php
namespace common\pay\dinpay;

class PayUtils
{
   
	/**
     * 发送post请求
     * @param string $url 请求地址
     * @param array $post_data post键值对数据
     * @return string
     */
    public static function sendPost($url, $post_data) {

        $postdata = http_build_query($post_data);
        $options = array(
            'http' => array(
                'method' => 'POST',
                'header' => 'Content-type:application/x-www-form-urlencoded',
                'content' => $postdata,
                'timeout' => 15 * 60 // 超时时间（单位:s）
            )
        );
        $context = stream_context_create($options);
        $result = file_get_contents($url, false, $context);

        return $result;
    }

    /**
     * 构造自动提交表单
     * @param array $params
     * @param string $action
     * @return string
     */
    public static function createHtml($params, $action)
    {
        $encodeType = isset ($params ['encoding']) ? $params ['encoding'] : 'UTF-8';
        $html = <<<eot
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset={$encodeType}" />
</head>
<body onload="javascript:document.pay_form.submit();">
    <form id="pay_form" name="pay_form" action="{$action}" method="post">

eot;
        foreach ($params as $key => $value) {
            $html .= "    <input type=\"hidden\" name=\"{$key}\" id=\"{$key}\" value=\"{$value}\" />\n";
        }
        $html .= <<<eot
   <!-- <input type="submit" type="hidden">-->
    </form>
</body>
</html>
eot;
        return $html;
    }
}