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
SortedMap<String, String>packageParams = new TreeMap<String, 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", "http://xxxx.com/xxxx/wxcallback")// 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
SortedMap<String, String>signParams = new TreeMap<String, 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。
SortedMap<String, String>payParams = new TreeMap<String, 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")
//第一题的答案：import java.util.Scanner
public class test {
public static void main(String[] args)
{
System.out.println("输入购买金额：")
Scanner input=new Scanner(System.in)
double a=input.nextDouble()
System.out.println("输入顾客类型（会员或普通）：")
String b=input.next()
if(b=="会员")
{
if(a>=100)
{
a=a*0.8
System.out.println("需付款："+a)
}
else
{
System.out.println("需付款："+a)
}
}
if(b=="普通")
{
if(a>=200)
{
a=a*0.75
System.out.println("需付款："+a)
}
else
{
System.out.println("需付款："+a)
}
}
}
}
//下面是第二题答案：
public class test {public static void main(String[] args)
{
for(int i = 0 i < 3 i++)
{
for(int x = i + 1 x < 3 x++)
{
System.out.print(" ")
}
for(int y = 0 y < (i + 1) * 2 - 1 y++)
{
System.out.print("*")
}
System.out.println()
}
for(int i = 0 i < 4 i++)
{
for(int x = 0 x < i x++)
{
System.out.print(" ")
}
for(int y = i y < 2 * 4 - i - 1 y++)
{
System.out.print("*")
}
System.out.println()
}
}
}
