如何用Java代码编写银行转账publicinterface ITransfer{/** 银行内部转账,从转出账号中扣除转账金额,给转入账号增加转账金额,需要保证以上两个操作* 要么同时成功,要么同时失败* fromAccountId 转出账号* outAccountId 转入账号* amount 转账金额*/publicvoid transferInner(String fromAccountId,String outAccountId,BigDecimal amount);/** 外部转账-转出,从转出账号中扣除转账金额* fromAccoutnId 转出账号* amount 转账金额*/publicvoid transferOut(String fromAccountId,String outAccountId,BigDecimal amount);/** 外部转账-转入,从转入账号中增加转账金额* toAccoutnId 转出账号* amount 转账金额*/publicvoid transerIn(String toAccountId,BigDecimal amount);}public interface ITransfer{ /* * 银行内部转账,从转出账号中扣除转账金额,给转入账号增加转账金额,需要保证以上两个操作 * 要么同时成功,要么同时失败 * fromAccountId 转出账号 * outAccountId 转入账号 * amount 转账金额 */ public void transferInner(String fromAccountId,String outAccountId,BigDecimal amount); /* * 外部转账-转出,从转出账号中扣除转账金额 * fromAccoutnId 转出账号 * amount 转账金额 */ public void transferOut(String fromAccountId,String outAccountId,BigDecimal amount); /* * 外部转账-转入,从转入账号中增加转账金额 * toAccoutnId 转出账号 * amount 转账金额 */ public void transerIn(String toAccountId,BigDecimal amount); }
编写java代码要求顾客输入购买多少斤当用户输入为10斤以内,则输出用户应支付金额?2、public class Test11 {
public static void main(String[] args) {
System.out.println("滞贸旅客的人数"(1189 - 108*10) );
}
}
3、public class Test11 {
public static void main(String[] args) {
try {
Scanner scanner = new Scanner(System.in);
System.out.print("输入购买鸡蛋(斤):");
int number =scanner.nextInt();
if(number10){
throw new RuntimeException("不允许购买这么多!");
}
else {
System.out.println("用户应支付金额" number*3.98);
}
}
catch (Exception e){
System.out.println(e.getMessage());
【java支付代码书写 支付宝支付java代码】}
}
}
能不能也给我一段JAVA在线支付的代码?import com.capinfo.crypt.*;
public class RsaTest
{
public RsaTest(){
}
public static void main(String[] args){
//首信公钥文件
String publicKey = "d:/Public1024.key";
//签名信息
String SignString = "3e5671bc4f91c3d055b18c1e5e22dd9db157380c7ee8facf0b1117082fbf398d7113c2df7e3219fc28dd88dd26cb096cabe607f3e397dfc2dcdb3349351a5f025ea0761da6e39e2d2fd311294a6076e777fe2ab8911f22113c435b89d63ae4f2aff2f333f7ebd40cc89601d58fb37b16596b5c94eb8b64cd52e12b9679248e6a";
//原信息
String strSource = "abcde12345";
try{
//公钥验证
RSA_MD5 rsaMD5 = new RSA_MD5();
int k = rsaMD5.PublicVerifyMD5(publicKey,SignString,strSource);
if(k==0)
System.out.println("验证成功.");
else
System.out.println("验证失败.");
}catch(Exception e){
System.out.println("验证异常.\n" e);
}
}
}
java编写一个网上支付系统界面html
head
meta http-equiv="Content-Type" content="text/html; charset=utf-8"
title购物与结算/title
style type="text/css"
/style
link rel="stylesheet" href="https://www.04ip.com/post/
script src="https://www.04ip.com/post/
script src="https://www.04ip.com/post/
script src="https://www.04ip.com/post/
script src="https://www.04ip.com/post/
(beta4)/IE9.js"/script
script src="https://www.04ip.com/post/
script type="text/javascript"
function pay()
{
var link = document.getElementById("a1");
link.click();
var a = new Array();
a[0]="html教程";
a[1]=12;
a[2]=1;
a[3]=a[1]*a[2];
var a1 = new Array();
a1[0]="java详解";
a1[1]=25;
a1[2]=2;
a1[3]=a1[1]*a1[2];
var b = new Array();
b[0]=a;
b[1]=a1;
var amount =0;
for(var i=0;ib.length;i)
{
var c = new Array();
c=b[i];
amount = amount c[3];
var tr ="tr";
for(var j=0;jc.length;j)
{
tr ="td" c[j] "/td";
}
tr ="/tr";
$("#list").append(tr);
$("#all").html("b总计:/bfont color=\"red\"" amount "/font")
}
}
function goon()
{
var link = document.getElementById("a2");
link.click();
$("#news").html("支付成功?。?);
}
/script
/head
body
input type="button" class="btn btn-danger" value="https://www.04ip.com/post/点击结算" onclick="pay()"
a href="https://www.04ip.com/post/#myModaltishi" role="button" class="btn" data-toggle="modal" id="a1" style="display: none"/a
div id="myModaltishi" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"
div class="modal-header"
button type="button" class="close" data-dismiss="modal" aria-hidden="true"×/button
h3 id="myModalLabel"购物车/h3
/div
div class="modal-body"
div
table id="list" style="width: 95%;" class="table"
th商品名称/th
th单价/th
th数量/th
th金额/th
/table
/div
div align="right" id="all"/div
/div
div class="modal-footer"
button class="btn" data-dismiss="modal" aria-hidden="true"继续挑选/button
button class="btn btn-primary" data-dismiss="modal" onclick="goon()"支付/button
/div
/div
a href="https://www.04ip.com/post/#myModaltishi1" role="button" class="btn" data-toggle="modal" id="a2" style="display: none"/a
div id="myModaltishi1" class="modal hide fade" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true"
div class="modal-header"
button type="button" class="close" data-dismiss="modal" aria-hidden="true"×/button
h3 id="myModalLabel"系统提示/h3
/div
div class="modal-body"
h3 id="news" align="center"/h3
/div
div class="modal-footer"
button class="btn btn-primary" data-dismiss="modal"知道了/button
/div
/div
/body
!-- 浏览器打开可查看效果,
另外由于页面使用了bootstrap框架建议使用渲染较高的浏览器 , 例如:火狐 --
/html
怎么用java调用微信支付接口java调用微信支付接口方法:
RequestHandler requestHandler = new RequestHandler(super.getRequest(),super.getResponse());
//获取token //两小时内有效,两小时后重新获取
Token = requestHandler.GetToken();
//更新token 到应用中
requestHandler.getTokenReal();
System.out.println("微信支付获取token=======================:"Token);
//requestHandler 初始化
requestHandler.init();
requestHandler.init(appid,appsecret, appkey,partnerkey, key);
// --------------------------------本地系统生成订单-------------------------------------
// 设置package订单参数
SortedMapString, String packageParams = new TreeMapString, String();
packageParams.put("bank_type", "WX"); // 支付类型
packageParams.put("body", "xxxx"); // 商品描述
packageParams.put("fee_type", "1"); // 银行币种
packageParams.put("input_charset", "UTF-8"); // 字符集
packageParams.put("notify_url", ""); // 通知地址这里的通知地址使用外网地址测试,注意80端口是否打开 。
packageParams.put("out_trade_no", no); // 商户订单号
packageParams.put("partner", partenerid); // 设置商户号
packageParams.put("spbill_create_ip", super.getRequest().getRemoteHost()); // 订单生成的机器IP , 指用户浏览器端IP
packageParams.put("total_fee", String.valueOf(rstotal)); // 商品总金额,以分为单位
// 设置支付参数
SortedMapString, String signParams = new TreeMapString, String();
signParams.put("appid", appid);
signParams.put("noncestr", noncestr);
signParams.put("traceid", PropertiesUtils.getOrderNO());
signParams.put("timestamp", timestamp);
signParams.put("package", packageValue);
signParams.put("appkey", this.appkey);
// 生成支付签名,要采用URLENCODER的原始值进行SHA1算法!
String sign ="";
try {
sign = Sha1Util.createSHA1Sign(signParams);
} catch (Exception e) {
e.printStackTrace();
}
// 增加非参与签名的额外参数
signParams.put("sign_method", "sha1");
signParams.put("app_signature", sign);
// api支付拼包结束------------------------------------
//获取prepayid
String prepayid = requestHandler.sendPrepay(signParams);
System.out.println("prepayid :"prepayid);
// --------------------------------生成完成---------------------------------------------
//生成预付快订单完成,返回给android,ios 掉起微信所需要的参数 。
SortedMapString, String payParams = new TreeMapString, String();
payParams.put("appid", appid);
payParams.put("noncestr", noncestr);
payParams.put("package", "Sign=WXPay");
payParams.put("partnerid", partenerid);
payParams.put("prepayid", prepayid);
payParams.put("appkey", this.appkey);
//这里除1000 是因为参数长度限制 。
int time = (int) (System.currentTimeMillis() / 1000);
payParams.put("timestamp",String.valueOf(time));
System.out.println("timestamp:"time);
//签名
String paysign ="";
try {
paysign = Sha1Util.createSHA1Sign(payParams);
} catch (Exception e) {
e.printStackTrace();
}
payParams.put("sign", paysign);
//拼json 数据返回给客户端
BasicDBObject backObject = new BasicDBObject();
backObject.put("appid", appid);
backObject.put("noncestr", payParams.get("noncestr"));
backObject.put("package", "Sign=WXPay");
backObject.put("partnerid", payParams.get("partnerid"));
backObject.put("prepayid", payParams.get("prepayid"));
backObject.put("appkey", this.appkey);
backObject.put("timestamp",payParams.get("timestamp"));
backObject.put("sign",payParams.get("sign"));
String backstr = dataObject.toString();
System.out.println("backstr:"backstr);
return backstr;
====================到此为止,预付款订单已生成 , 并且已返回客户端====================
//坐等微信服务器通知,通知的地址就是生成预付款订单的notify_url
ResponseHandler resHandler = new ResponseHandler(request, response);
resHandler.setKey(partnerkey);
//创建请求对象
//RequestHandler queryReq = new RequestHandler(request, response);
//queryReq.init();
if (resHandler.isTenpaySign() == true) {
//商户订单号
String out_trade_no = resHandler.getParameter("out_trade_no");
System.out.println("out_trade_no:"out_trade_no);
//财付通订单号
String transaction_id = resHandler.getParameter("transaction_id");
System.out.println("transaction_id:"transaction_id);
//金额,以分为单位
String total_fee = resHandler.getParameter("total_fee");
//如果有使用折扣券,discount有值 , total_fee discount=原请求的total_fee
String discount = resHandler.getParameter("discount");
//支付结果
String trade_state = resHandler.getParameter("trade_state");
//判断签名及结果
if ("0".equals(trade_state)) {
//------------------------------
//即时到账处理业务开始
//------------------------------
System.out.println("----------------业务逻辑执行-----------------");
//——请根据您的业务逻辑来编写程序(以上代码仅作参考)——
System.out.println("----------------业务逻辑执行完毕-----------------");
System.out.println("success"); // 请不要修改或删除
System.out.println("即时到账支付成功");
//给财付通系统发送成功信息,财付通系统收到此结果后不再进行后续通知
resHandler.sendToCFT("success");
//给微信服务器返回success 否则30分钟通知8次
return "success";
}else{
System.out.println("通知签名验证失败");
resHandler.sendToCFT("fail");
response.setCharacterEncoding("utf-8");
}
}else {
System.out.println("fail -Md5 failed");
java支付功能已经写好了,怎么写用户前三次购买是免费记录一下用户购买商品的次数呗java支付代码书写 , 或者查一下userAndGoods的对应关系java支付代码书写 , 看他同一件商品买了几次不就完了?只要次数不大于3,下单的金额就是0
java支付代码书写的介绍就聊到这里吧,感谢你花时间阅读本站内容,更多关于支付宝支付java代码、java支付代码书写的信息别忘了在本站进行查找喔 。
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