微信小程序支付 JAVA SSM

/** * 支付流程 */ @RequestMapping(value="/appwxxaidan",produces = "application/json;charset=utf-8") @ResponseBody public synchronized String appwxxaidan(HttpServletRequest request,HttpServletResponse response,String OPENID,String SW_COOPERATORSABOUT_ID) throws Exception{ PageData pd = new PageData(); pd = this.getPageData(); OrderInfo order = new OrderInfo(); order.setAppid(WeiappConfig.getAppid()); order.setMch_id(WeiappConfig.getMch_id()); order.setNonce_str(SW_COOPERATORSABOUT_ID); order.setBody(SW_COOPERATORSABOUT_ID); order.setOut_trade_no(RandomStringGenerator.getRandomStringByLength(32)); order.setTotal_fee(new Double(Double.parseDouble(cooperatorsabout.get("SWCOA_ALLMONEY").toString())*100).intValue()); order.setSpbill_create_ip("123.207.136.182"); order.setNotify_url("填写回调地址/appwxpayresult.do"); order.setTrade_type("JSAPI"); order.setOpenid(OPENID); order.setSign_type("MD5"); //生成签名 String sign = Signature.getSign(order); order.setSign(sign); String result = HttpRequest.sendPost("https://api.mch.weixin.qq.com/pay/unifiedorder", order); System.out.println(result); XStream xStream = new XStream(); xStream.alias("xml", OrderReturnInfo.class); OrderReturnInfo returnInfo = (OrderReturnInfo)xStream.fromXML(result); System.out.println(returnInfo.toString()); System.out.println("-----------------------"); JSONObject json = new JSONObject(); json.put("prepay_id", returnInfo.getPrepay_id()); return json.toString(); } /** * 再签名 * @param request * @param prepay_id * @return * @throws Exception */ @RequestMapping(value="/appwxrepeatsign",produces = "application/json;charset=utf-8") @ResponseBody public String appwxrepeatsign(HttpServletRequest request,String prepay_id) throws Exception{ SignInfo signInfo = new SignInfo(); signInfo.setAppId(WeiappConfig.getAppid()); long time = System.currentTimeMillis()/1000; signInfo.setTimeStamp(String.valueOf(time)); signInfo.setNonceStr(RandomStringGenerator.getRandomStringByLength(32)); signInfo.setRepay_id("prepay_id="+prepay_id); signInfo.setSignType("MD5"); //生成签名 String sign = Signature.getSign(signInfo); JSONObject json = new JSONObject(); json.put("timeStamp", signInfo.getTimeStamp()); json.put("nonceStr", signInfo.getNonceStr()); json.put("package", signInfo.getRepay_id()); json.put("signType", signInfo.getSignType()); json.put("paySign", sign); System.out.println("再签名成功-----------------------------------------------------------"); return json.toString(); } /** * 支付回调 * @param request * @param response * @return * @throws Exception */ @RequestMapping(value="/appwxpayresult",produces = "application/json;charset=utf-8") @ResponseBody public String appwxpayresult(HttpServletRequest request, HttpServletResponse response) throws Exception{ PageData pd = new PageData(); pd = this.getPageData(); System.out.println("----------------------------------进入回调-------------------------------"); String reqParams = StreamUtil.read(request.getInputStream()); response.setContentType("text/xml"); XStream xStream = new XStream(); xStream.alias("xml", Wxreturn.class); String returnxml="<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>"; Wxreturn wxreturn = (Wxreturn)xStream.fromXML(reqParams); String noncestr=wxreturn.getNonce_str(); String openid=wxreturn.getOpenid(); int total_fee=wxreturn.getTotal_fee(); if(wxreturn.getReturn_code().equals("SUCCESS")){ if(wxreturnService.findById(noncestr)==null){ wxreturnService.save(wxreturn); //支付成功后执行操作 } } return returnxml; }