package com.lgx8.common.payment.service;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.List;
import java.util.Map;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Node;
import org.dom4j.io.SAXReader;
import com.lgx8.common.payment.config.AlipayMerchantConfig;
import com.lgx8.common.payment.util.AlipayMerchantSubmit;
public class AlipayMerchantService {
/**
* 支付宝提供给商户的服务接入网关URL(新)
*/
private static final String ALIPAY_GATEWAY_NEW = "https://mapi.alipay.com/gateway.do?";
/**
* 构造标准双接口
* @param sParaTemp 请求参数集合
* @return 表单提交HTML信息
*/
public static String trade_create_by_buyer(Map<String, String> sParaTemp) {
//增加基本配置
sParaTemp.put("service", "trade_create_by_buyer");
sParaTemp.put("partner", AlipayMerchantConfig.partner);
sParaTemp.put("return_url", AlipayMerchantConfig.return_url);
sParaTemp.put("notify_url", AlipayMerchantConfig.notify_url);
sParaTemp.put("seller_email", AlipayMerchantConfig.seller_email);
sParaTemp.put("_input_charset", AlipayMerchantConfig.input_charset);
String strButtonName = "确认";
return AlipayMerchantSubmit.buildForm(sParaTemp, ALIPAY_GATEWAY_NEW, "post", strButtonName);
}
/**
* 用于防钓鱼，调用接口query_timestamp来获取时间戳的处理函数
* 注意：远程解析XML出错，与服务器是否支持SSL等配置有关
* @return 时间戳字符串
* @throws IOException
* @throws DocumentException
* @throws MalformedURLException
*/
public static String query_timestamp() throws MalformedURLException,
DocumentException, IOException {
//构造访问query_timestamp接口的URL串
String strUrl = ALIPAY_GATEWAY_NEW + "service=query_timestamp&partner=" + AlipayMerchantConfig.partner;
StringBuffer result = new StringBuffer();
SAXReader reader = new SAXReader();
Document doc = reader.read(new URL(strUrl).openStream());
List<Node> nodeList = doc.selectNodes("//alipay/*");
for (Node node : nodeList) {
// 截取部分不需要解析的信息
if (node.getName().equals("is_success") && node.getText().equals("T")) {
// 判断是否有成功标示
List<Node> nodeList1 = doc.selectNodes("//response/timestamp/*");
for (Node node1 : nodeList1) {
result.append(node1.getText());
}
}
}
return result.toString();
}
}