微信支付源码包含JSAPI、APP、小程序、PC端扫码、H5

package pay; import java.net.InetAddress; import java.net.URLEncoder; import java.net.UnknownHostException; import java.text.DecimalFormat; import java.util.HashMap; import java.util.Map; import java.util.SortedMap; import java.util.TreeMap; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.web.context.request.RequestContextHolder; import org.springframework.web.context.request.ServletRequestAttributes; import util.Const; import util.MyNumberUtils; import util.QRCodeGenerator; import weixin.GetWxOrderno; import weixin.RequestHandler; import weixin.Sha1Util; import weixin.TenpayUtil; public class WxpayUtil{ /** * 微信支付 * @param order_number：订单编号 * @param pay_money：订单金额 * @param openid：用户openid * @param trade_type：交易类型：JSAPI、APP、SMALL、Native、H5 * @param request * @return */ public static Map<String, Object> payOrderContrast(String order_number,Double pay_money,String openid,String trade_type,HttpServletRequest request){ Map<String, Object> map = new HashMap<String, Object>(); try { DecimalFormat df=new DecimalFormat("0.00");//构造方法的字符格式这里如果小数不足2位,会以0补足. String pay1= df.format(pay_money);//格式化金额 if(trade_type.equalsIgnoreCase(Const.wx_trade_type_jsapi)) { map = wxJSAPIPay("xxx订单", order_number, pay1,openid,request); }else if(trade_type.equalsIgnoreCase(Const.wx_trade_type_app)) { map = wxAPPPay("xxx订单", order_number, pay1,request); }else if(trade_type.equalsIgnoreCase(Const.wx_trade_type_small)) { map = wxSmallPay("xxx订单", order_number, pay1, openid, request); }else if(trade_type.equalsIgnoreCase(Const.wx_trade_type_h5)) { map = wxH5Pay("xxx订单", order_number, pay1, request); }else if(trade_type.equalsIgnoreCase(Const.wx_trade_type_native)) { map = wxNativePay("xxx订单", order_number, pay1, request); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return map; } /** * 微信公众号支付 * @param productName 订单名称（商品名称） * @param orderNumber 订单号 * @param amount 总金额 * @param openid 用户openid * * @throws UnknownHostException */ public static Map<String, Object> wxJSAPIPay(String productName,String orderNumber,String amount,String openid,HttpServletRequest request) throws UnknownHostException{ //金额转化为分为单位 float sessionmoney = Float.parseFloat(amount); String finalmoney = String.format("%.2f", sessionmoney); finalmoney = finalmoney.replace(".", ""); String currTime = TenpayUtil.getCurrTime(); //8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 = Const.wx_partner; //子商户号 非必输 //String sub_mch_id=""; //随机数 String nonce_str = strReq; String body = orderNumber; //附加数据 String attach = ""; //商户订单号 String out_trade_no = orderNumber;//order.getSn()+"|"+System.currentTimeMillis();//订单编号加时间戳 int intMoney = Integer.parseInt(finalmoney); //总金额以分为单位，不带小数点 String total_fee = String.valueOf(intMoney); //订单生成的机器 IP String spbill_create_ip = InetAddress.getLocalHost().getHostAddress(); String notify_url = Const.wx_pay_notify_url;//微信异步通知地址 String trade_type = "JSAPI"; String sign_type = "HMAC-SHA256"; //对以下字段进行签名 SortedMap<String, Object> packageParams = new TreeMap<String, Object>(); packageParams.put("appid", Const.wx_appId); packageParams.put("attach", attach); packageParams.put("body", body); packageParams.put("mch_id", mch_id); packageParams.put("nonce_str", nonce_str); packageParams.put("notify_url", notify_url); packageParams.put("openid", openid); packageParams.put("out_trade_no", out_trade_no); packageParams.put("sign_type", sign_type); packageParams.put("spbill_create_ip", spbill_create_ip); packageParams.put("total_fee", total_fee); packageParams.put("trade_type", trade_type); HttpServletResponse response = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getResponse(); RequestHandler reqHandler = new RequestHandler(request, response); reqHandler.init(Const.wx_appId, Const.wx_appSecret, Const.wx_partner_key); String sign = reqHandler.createSign(packageParams,Const.wx_partner_key);//获取签名 System.out.println(sign+"===========sign"); String xml="<xml>"+ "<appid>"+Const.wx_appId+"</appid>"+ "<attach>"+attach+"</attach>"+ "<body><![CDATA["+body+"]]></body>"+ "<mch_id>"+mch_id+"</mch_id>"+ "<nonce_str>"+nonce_str+"</nonce_str>"+ "<notify_url>"+notify_url+"</notify_url>"+ "<openid>"+openid+"</openid>"+ "<out_trade_no>"+out_trade_no+"</out_trade_no>"+ "<sign>"+sign+"</sign>"+ "<sign_type>"+sign_type+"</sign_type>"+ "<spbill_create_ip>"+spbill_create_ip+"</spbill_create_ip>"+ "<total_fee>"+total_fee+"</total_fee>"+ "<trade_type>"+trade_type+"</trade_type>"+ "</xml>"; String createOrderURL = Const.wx_payURL; String prepay_id=""; try { prepay_id = GetWxOrderno.getPayNo(createOrderURL, xml); if(prepay_id.equals("")){ /// 返回null，代表请求失败 return null; } } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } //8位日期 strTime = currTime.substring(8, currTime.length()); //四位随机数 strRandom = TenpayUtil.buildRandom(4) + ""; //10位序列号,可以自行调整。 strReq = strTime + strRandom; String timestamp = Sha1Util.getTimeStamp(); SortedMap<String, Object> hashMap = new TreeMap<String, Object>(); hashMap.put("appId", Const.wx_appId); hashMap.put("timeStamp", timestamp); hashMap.put("nonceStr", strReq); hashMap.put("package", "prepay_id="+prepay_id); hashMap.put("signType", sign_type); sign = reqHandler.createSign(hashMap,Const.wx_partner_key);//获取签名 hashMap.put("paySign", sign); System.out.println("hashMap===================="+hashMap); return hashMap; } /** * 微信app支付 * @param productName 订单名称（商品名称） * @param orderNumber 订单号 * @param amount 总金额 * * @throws UnknownHostException */ public static Map<String, Object> wxAPPPay(String productName,String orderNumber,String amount,HttpServletRequest request) throws UnknownHostException{ //金额转化为分为单位 float sessionmoney = Float.parseFloat(amount); String finalmoney = String.format("%.2f", sessionmoney); finalmoney = finalmoney.replace(".",