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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