基于Java代码实现支付充值的通用流程
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2024-03-11 17:41:25
废话不多说了，直接给大家贴java代码了。
具体代码如下所示：
/*支付流程*/
/****controller.java 代码如下：*/
@request...
废话不多说了，直接给大家贴java代码了。
具体代码如下所示：
/*支付流程*/
/****controller.java 代码如下：*/
@requestmapping(value = "/paysubmit.htm", method = requestmethod.post)
public modelandview paysubmit(httpservletrequest request,
httpservletresponse response, @requestparam map<string, object> maps){
modelandview model = new modelandview("***/submit");
/**
* 代码块
*/
return model;
}
/*submit.jsp 代码如下：*/
<%@ page contenttype="text/html;charset=utf-8" language="java" trimdirectivewhitespaces="true" %>
<%@ page import="com.***.util.payutil" %>
<!doctype html public "-//w3c//dtd html 4.01 transitional//en">
<html>
<head>
<title>支付</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
</head>
<body>
<%
request.setcharacterencoding("utf-8");
string type = (string) request.getattribute("type");
string shtmltext = "";
if ("1".equals(type)){
shtmltext = payutil.buildform(
(string) request.getattribute("orderno"),
(string) request.getattribute("amt"),type);
}else{
shtmltext = payutil.allinpaybuildform(
(string) request.getattribute("orderno"),
(string) request.getattribute("amt"),type,request);
}
out.println(shtmltext);
%>
</body>
</html>
/* payutil.java 代码如下：*/
/**
* 生成页面数据
* @param url 三方支付的url
* @param spara
* @param strmethod
* @return
*/
public static string buildrequest(string url, map<string, string> spara, string strmethod) {
arraylist keys = new arraylist(spara.keyset());
stringbuffer sbhtml = new stringbuffer();
sbhtml.append("<form id=\"paysubform\" name=\"paysubform\" action=\"" + url + "\" method=\"" + strmethod + "\">");
for(int i = 0; i < keys.size(); ++i) {
string name = (string)keys.get(i);
string value = (string)spara.get(name);
sbhtml.append("<input type=\"hidden\" name=\"" + name + "\" value=\"" + value + "\"/>");
}
sbhtml.append("<input type=\"submit\" name=\"b1\" value=\"确认\" style=\"display:none;\"></form>");
sbhtml.append("<script>document.forms[\'paysubform\'].submit();</script>");
return sbhtml.tostring();
}
/**
* 以民生支付为例
* @param orderno
* @param amt
* @param type
* @return
*/
public static string buildform(string orderno, string amt,string type) {
//商户编号
string merchantid = propertiesread.use_classloador().getproperty("cmbc.pay.id");
//订单编号 商户的交易定单号,由商户网站生成,最大长度30
string merorderid = orderno;
//金 额
string amountsum = amt;
//商品种类
string subject = propertiesread.use_classloador().getproperty("cmbc.pay.type");//"empty";
//币 种 01 为cny
string currencytype = "01";
//自动调转取货页面0→不跳转；1→跳转
string autojump = "1";
//跳转等待时间
string waittime = "0";
//商户取货url
string merurl = propertiesread.use_classloador().getproperty("cmbc.pay.return.page.url");
//是否通知商户: 0→不通知；1→通知
string informmer = "1";
//商户通知url
string informurl = propertiesread.use_classloador().getproperty("cmbc.pay.return.notify.url");
/**
* 商户返回确认: 0→不返回；1→返回
*/
string confirm = "1";
//支付银行
string merbank = "empty";
//支付类型 0→即时到账；1→担保交易
string tradetype = "0";
//是否在商户端选择银行:0→其他；1→在商户端选择银行
string bankinput = "0";
//接口版本
string strinterface = "5.00";
//备 注 (可选) 支付备注信息,最大长度50
string remark = "充值";
//支付银行卡类型 00→借贷混合；01→纯借记
string bankcardtype = "00";
//商品描述
string pdtdnm = "虚拟商品";
//商品描述地址
string pdtdetailurl = propertiesread.use_classloador().getproperty("cmbc.pay.return.detail.url");
//支付密钥(必填): 需在支付平台进行设置,可登录商户管理系统进行维护,用于上送商户支付及下传支付结果加密
string md5key = propertiesread.use_classloador().getproperty("cmbc.pay.pwd");
//拼接加密的源字符串
string mac_src="merchantid="+merchantid+"&merorderid="+merorderid
+"&amountsum="+amountsum+"&subject="+subject
+"¤cytype="+currencytype+"&autojump="+autojump
+ "&waittime=" + waittime +"&merurl="+merurl
+ "&informmer=" + informmer +"&informurl=" +informurl
+ "&confirm=" + confirm + "&merbank=" + merbank
+ "&tradetype=" + tradetype + "&bankinput=" + bankinput
+ "&interface=" + strinterface + "&bankcardtype=" + bankcardtype
+ "&pdtdetailurl=" + pdtdetailurl + "&merkey="+md5key;
string mac = crypto.getmessagedigest(mac_src);
// 把请求参数打包成map
map<string, string> sparatemp = new hashmap<string,string>();
sparatemp.put("merchantid", merchantid);
sparatemp.put("merorderid", merorderid);
sparatemp.put("amountsum", amountsum);
sparatemp.put("subject", subject);
sparatemp.put("currencytype", currencytype);
sparatemp.put("autojump", autojump);
sparatemp.put("waittime", waittime);
sparatemp.put("merurl", merurl);
sparatemp.put("informmer", informmer);
sparatemp.put("informurl", informurl);
sparatemp.put("confirm", confirm);
sparatemp.put("merbank", merbank);
sparatemp.put("tradetype", tradetype);
sparatemp.put("bankinput", bankinput);
sparatemp.put("interface", strinterface);
sparatemp.put("remark", remark);
sparatemp.put("bankcardtype", bankcardtype);
sparatemp.put("pdtdnm", pdtdnm);
sparatemp.put("pdtdetailurl", pdtdetailurl);
sparatemp.put("mac", mac);
//建立请求
string shtmltext = buildrequest(propertiesread.use_classloador().getproperty("cmbc.pay.url"), sparatemp, "post");
logger.info("mcpay request: {}", shtmltext);
return shtmltext;
}
/" crypto.java 代码如下 "/
import java.security.messagedigest;
import java.security.nosuchalgorithmexception;
/**
* <p>title: md5加密算法</p>
* <p>description: 商户不需要进行修改</p>
* <p>******科技发展公司 2009. all rights reserved.</p>
*/
public class crypto {
/**
* 功能：md5加密
* @param strsrc 加密的源字符串
* @return 加密串 长度32位
*/
public static string getmessagedigest(string strsrc) {
messagedigest md = null;
string strdes = null;
final string algo_md5 = "md5";
byte[] bt = strsrc.getbytes();
try {
md = messagedigest.getinstance(algo_md5);
md.update(bt);
strdes = bytes2hex(md.digest());
} catch (nosuchalgorithmexception e) {
throw new illegalstateexception(
"系统不支持的md5算法！");
}
return strdes;
}
/**
* 将字节数组转为hex字符串(16进制串)
* @param bts 要转换的字节数组
* @return 转换后的hex串
*/
public static string bytes2hex(byte[] bts) {
string des = "";
string tmp = null;
for (int i = 0; i < bts.length; i++) {
tmp = (integer.tohexstring(bts[i] & 0xff));
if (tmp.length() == 1) {
des += "0";
}
des += tmp;
}
return des;
}
}
/**
* 支付返回调用url(返回页面)
* @param session
* @param request
* @return
*/
@requestmapping(value = "/allpayreturn.htm", method = requestmethod.post)
public modelandview allinpayreturncall(httpservletrequest request,
httpservletresponse response, @requestparam map<string, object> maps){
modelandview model = new modelandview("***/payreturn");
/**
* 代码块
*/
return model;
}
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