微信支付平台源码 public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//网页授权后获取传递的参数
String userId = request.getParameter("userId");
String orderNo = request.getParameter("orderNo");
String money = request.getParameter("money");
String code = request.getParameter("code");
//金额转化为分为单位
float sessionmoney = Float.parseFloat(money);
String finalmoney = String.format("%.2f", sessionmoney);
finalmoney = finalmoney.replace(".", "");
//商户相关资料
String appid = "";
String appsecret = "";
String partner = "";
String partnerkey = "";
String openId ="";
String URL = "https://api.weixin.qq.com/sns/oauth2/access_token?appid=" appid "&secret=" appsecret "&code=" code "&grant_type=authorization_code";
JSONObject jsonObject = CommonUtil.httpsRequest(URL, "GET", null);
if (null != jsonObject) {
openId = jsonObject.getString("openid");
}
//获取openId后调用统一支付接口https://api.mch.weixin.qq.com/pay/unifiedorder
String currTime = TenpayUtil.getCurrTime();
//6位日期
String strTime = currTime.substring(8, currTime.length());
//四位随机数
String strRandom = TenpayUtil.buildRandom(4) "";
//10位序列号,可以自行调整。
String strReq = strTime strRandom;
//商户号
String mch_id = partner;
//子商户号 非必输
//String sub_mch_id="";
//设备号 非必输
String device_info="";
//随机数
String nonce_str = strReq;
//商品描述
//String body = describe;
//商品描述根据情况修改
String body = "美食";
//附加数据
String attach = userId;
//商户订单号
String out_trade_no = orderNo;
int intMoney = Integer.parseInt(finalmoney);
//总金额以分为单位,不带小数点
int total_fee = intMoney;
//订单生成的机器 IP
String spbill_create_ip = request.getRemoteAddr();
//订 单 生 成 时 间 非必输
// String time_start ="";
//订单失效时间 非必输
// String time_expire = "";
//商品标记 非必输
// String goods_tag = "";
//这里notify_url是 支付完成后微信发给该链接信息,可以判断会员是否支付成功,改变订单状态等。
String notify_url ="http://***/notifyServlet";
String trade_type = "JSAPI";
String openid = openId;
//非必输
// String product_id = "";
SortedMap<String, String> packageParams = new TreeMap<String, String>();
packageParams.put("appid", appid);
packageParams.put("mch_id", mch_id);
packageParams.put("nonce_str", nonce_str);
packageParams.put("body", body);
packageParams.put("attach", attach);
packageParams.put("out_trade_no", out_trade_no);
//这里写的金额为1 分到时修改
packageParams.put("total_fee", "1");
// packageParams.put("total_fee", "finalmoney");
packageParams.put("spbill_create_ip", spbill_create_ip);
packageParams.put("notify_url", notify_url);
packageParams.put("trade_type", trade_type);
packageParams.put("openid", openid);
RequestHandler reqHandler = new RequestHandler(request, response);
reqHandler.init(appid, appsecret, partnerkey);
String sign = reqHandler.createSign(packageParams);
String xml="<xml>"
"<appid>" appid "</appid>"
"<mch_id>" mch_id "</mch_id>"
"<nonce_str>" nonce_str "</nonce_str>"
"<sign>" sign "</sign>"
"<body><![CDATA[" body "]]></body>"
"<attach>" attach "</attach>"
"<out_trade_no>" out_trade_no "</out_trade_no>"
//金额,这里写的1 分到时修改
"<total_fee>" 1 "</total_fee>"
//"<total_fee>" finalmoney "</total_fee>"
"<spbill_create_ip>" spbill_create_ip "</spbill_create_ip>"
"<notify_url>" notify_url "</notify_url>"
"<trade_type>" trade_type "</trade_type>"
"<openid>" openid "</openid>"
"</xml>";
System.out.println(xml);
String allParameters = "";
try {
allParameters = reqHandler.genPackage(packageParams);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
String createOrderURL = "https://api.mch.weixin.qq.com/pay/unifiedorder";
String prepay_id="";
try {
prepay_id = new GetWxOrderno().getPayNo(createOrderURL, xml);
if(prepay_id.equals("")){
request.setAttribute("ErrorMsg", "统一支付接口获取预支付订单出错");
response.sendRedirect("error.jsp");
}
} catch (Exception e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
SortedMap<String, String> finalpackage = new TreeMap<String, String>();
String appid2 = appid;
String timestamp = Sha1Util.getTimeStamp();
String nonceStr2 = nonce_str;
String prepay_id2 = "prepay_id=" prepay_id;
String packages = prepay_id2;
finalpackage.put("appId", appid2);
finalpackage.put("timeStamp", timestamp);
finalpackage.put("nonceStr", nonceStr2);
finalpackage.put("package", packages);
finalpackage.put("signType", "MD5");
String finalsign = reqHandler.createSign(finalpackage);
System.out.println("pay.jsp?appid=" appid2 "&timeStamp=" timestamp "&nonceStr=" nonceStr2 "&package=" packages "&sign=" finalsign);
response.sendRedirect("pay.jsp?appid=" appid2 "&timeStamp=" timestamp "&nonceStr=" nonceStr2 "&package=" packages "&sign=" finalsign);
}
评论