java在线支付---05_在线支付_编写用于准备请求数据的Servlet

05_在线支付_编写用于准备请求数据的Servlet

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c./payment/src/com/credream/servlet/PaymentRequest.java

package com.credream.servlet;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;
import com.credream.utils.ConfigInfo;

import com.credream.utils.PanymentUtil;

/**

* 发起支付请求

* @author 传智播客

*

*/

public class PaymentRequest extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

this.doPost(request, response);

}
public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

/*

* p1_MerId=10000326625// 商家的id

keyValue=0acqgug6x57m0wrsiod6clpn1ezh47r2ot5h1zkq5dztiic8y5xkm5g0p0ek //密钥

merchantCallbackURL=http\://localhost\:8080/payment/servlet/yeepay/response //

// 这个地址是用来接收易宝支付返回结果的路径.这个路径必须外网可以访问.

* */

request.setCharacterEncoding("GBK");

String orderid = request.getParameter("orderid");//订单号

String amount = request.getParameter("amount");//支付金额

String pd_FrpId = request.getParameter("pd_FrpId");//选择的支付银行

String p1_MerId = ConfigInfo.getValue("p1_MerId");

String keyValue = ConfigInfo.getValue("keyValue");

String merchantCallbackURL = ConfigInfo.getValue("merchantCallbackURL");

String messageType = "Buy"; // 请求命令,在线支付固定为Buy

String currency = "CNY"; // 货币单位

String productDesc = ""; // 商品描述

String productCat = ""; // 商品种类

String productId = ""; // 商品ID

String addressFlag = "0"; // 需要填写送货信息 0：不需要 1:需要

String sMctProperties = ""; // 商家扩展信息

String pr_NeedResponse = "0"; // 应答机制

// 下面这个方法用来进行加密.通过调用加密类.

String md5hmac = PanymentUtil.buildHmac(messageType, p1_MerId, orderid, amount, currency,

productId, productCat, productDesc, merchantCallbackURL, addressFlag, sMctProperties,

pd_FrpId, pr_NeedResponse, keyValue);

// 得到加密后的字串.

request.setAttribute("messageType", messageType);

request.setAttribute("merchantID", p1_MerId);

request.setAttribute("orderId", orderid);

request.setAttribute("amount", amount);

request.setAttribute("currency", currency);

request.setAttribute("productId", productId);

request.setAttribute("productCat", productCat);

request.setAttribute("productDesc", productDesc);

request.setAttribute("merchantCallbackURL", merchantCallbackURL);

request.setAttribute("addressFlag", addressFlag);

request.setAttribute("sMctProperties", sMctProperties);

request.setAttribute("frpId", pd_FrpId);

request.setAttribute("pr_NeedResponse", pr_NeedResponse);

request.setAttribute("hmac", md5hmac);

request.getRequestDispatcher("/WEB-INF/page/connection.jsp").forward(request, response);

}
}

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d./payment/src/merchantInfo.properties

p1_MerId=10000326625

keyValue=0acqgug6x57m0wrsiod6clpn1ezh47r2ot5h1zkq5dztiic8y5xkm5g0p0ek

merchantCallbackURL=http\://localhost\:8080/payment/servlet/yeepay/response

第一个是商户的id,第二个是易宝给商户的密钥,第三个是接收易宝支付返回的支付结果的地址.

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e./payment/src/com/credream/utils/ConfigInfo.java

package com.credream.utils;
import java.util.Properties;

import java.util.ResourceBundle;

/**

* 读取配置文件

*

*/

public class ConfigInfo {

// 读取配置文件.

// private static ResourceBundle cacheBundle =null;

private static Properties cache = new Properties();

static{

try {

// cacheBundle = ResourceBundle.getBundle("");

cache.load(ConfigInfo.class.getClassLoader().getResourceAsStream("merchantInfo.properties"));

} catch (Exception e) {

e.printStackTrace();

}

}

/**

* 获取指定key的值

* @param key

* @return

*/

public static String getValue(String key){

return cache.getProperty(key);

}

}

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