/**
* @Title：getPayparams
* @Description：根据支付方式获取相应的支付参数
* @param orderMain
* @param payType
* @param request
* @return
* @throws Exception Result<Map<String,Object>> 返回类型
*/
public Result<Map<String, Object>> getPayparams(OrderMain orderMain, String payType, HttpServletRequest request) throws Exception{
Result<Map<String, Object>> result = new Result<Map<String, Object>>();
switch (payType) {
case PaymentConst.PAY_METHOD_WECHACT://微信支付方式
result = getWechatPayparams(orderMain, request);
break;
case PaymentConst.PAY_METHOD_ALI://支付宝支付方式
break;
default:
break;
}
return result;
}
/**
* @Title：getWechatPayparams
* @Description：生成微信支付需要的参数
* @param orderMain
* @param request
* @return
* @throws Exception Result<Map<String,Object>> 返回类型
*/
public Result<Map<String, Object>> getWechatPayparams(OrderMain orderMain, HttpServletRequest request) throws Exception{
Result<Map<String, Object>> result = new Result<Map<String, Object>>();
//Map<String, Object> paramMap = new HashMap<String, Object>();
/*StringBuilder getCodeID = new StringBuilder();
getCodeID.append("https://open.weixin.qq.com/connect/oauth2/authorize?appid=");
getCodeID.append(PaymentConst.WECHAT_APPID);
getCodeID.append("&redirect_uri=" + authorizeNotifyUrl);
getCodeID.append("&response_type=code&scope=snsapi_base#wechat_redirect");
String openid = HttpClientUtil.post(getCodeID.toString(), "");
LOGGER.info("微信认证返回结果:"+openid);
LOGGER.info("终端ip:"+Util.getIpAddr(request));*/
/*if("".equals(openid)){
throw new MessageException("微信授权失败");
}*/
String openid=request.getSession().getAttribute("bd").toString();
if("".equals(openid)){
LOGGER.info("微信支付openid为空重新认证wxUserAuth():"+openid);
wxUserAuth(request);
}
/*String openid=request.getSession().getAttribute("wxOpenid").toString();
if("".equals(openid)){
LOGGER.info("微信支付openid为空重新认证wxUserAuth():"+openid);
wxUserAuth(request);
}*/
System.out.println(openid+"3213213213213213214214214214");
TreeMap paramMap = new TreeMap();
paramMap.put("appid", PaymentConst.WECHAT_APPID);//公众账号ID
paramMap.put("mch_id", PaymentConst.WECHAT_MCHID);//商户号
paramMap.put("nonce_str", Util.getRandomString(30, null));//随机字符串
paramMap.put("sign_type", PaymentConst.WECHAT_SIGNTYPE);//签名类型
paramMap.put("body", "Melical Fee");//商品描述
paramMap.put("out_trade_no", orderMain.getNumber());//商户订单号
//交易金额默认为人民币交易，接口中参数支付金额单位为【分】，参数值不能带小数。
paramMap.put("total_fee", (int)(orderMain.getTotalamount()*100));//标价金额
paramMap.put("spbill_create_ip", Util.getIpAddr(request));//终端IP
paramMap.put("notify_url", weChatNotifyUrl);//通知地址
paramMap.put("trade_type", PaymentConst.WECHAT_TRADETYPE_JSAPI);//交易类型
paramMap.put("openid", openid);//用户标识
paramMap.put("sign",Signature.createSign("UTF-8", paramMap));//签名
LOGGER.info("签名:"+paramMap.get("sign"));
//String response = HttpClientUtil.post(PaymentConst.wechatPayUrl, XMLUtils.simpleMapToXml(paramMap));
String response = HttpClientUtil.post(PaymentConst.wechatPayUrl,new String( XMLUtils.simpleMapToXml(paramMap).getBytes(), "UTF-8"));
System.out.println("预支付返回结果："+response);
Map<String, String> resultParams = getWechatXmlToMap(response);
if (PaymentConst.WECHAT_STATUSCODE_FAIL.equals(resultParams.get("return_code"))){
throw new MessageException(resultParams.get("return_msg"));
}else{
if (PaymentConst.WECHAT_STATUSCODE_FAIL.equals(resultParams.get("result_code"))){
throw new MessageException(resultParams.get("return_msg"));
}else{
String prepay_id = resultParams.get("prepay_id");
TreeMap paramMap1 = new TreeMap();
paramMap1.put("appId", paramMap.get("appid"));//公众账号ID
String s = String.valueOf(Util.getSecond());
paramMap1.put("timeStamp", s);
paramMap1.put("nonceStr", Util.getRandomString(30, null));
paramMap1.put("package", "prepay_id="+prepay_id);//签名类型
paramMap1.put("signType", paramMap.get("sign_type"));//签名类型
paramMap1.put("sign1",Signature.createSign("UTF-8", paramMap1));//签名
LOGGER.info("最终签名:"+paramMap1.get("sign1"));
//生成前台支付需要的数据
Map<String, Object> map = new HashMap<String, Object>();
map.put("appId", paramMap.get("appid"));
String s1 = String.valueOf(Util.getSecond());
map.put("timeStamp", s1);
map.put("nonceStr", Util.getRandomString(30, null));
map.put("package", "prepay_id="+prepay_id);
map.put("signType", paramMap.get("sign_type"));
map.put("paySign", paramMap1.get("sign1"));
System.out.println("tttttttttttttttttttttttttttttt9999999999999tttttttttttttttttttttttttttttttttttttt");
result.setT(map);
}
}
return result;
}
/**
* @Title：wxUserAuth
* @Description：微信认证
* @param request
* @return
* @return String 返回类型
*/
@RequestMapping(value = "/wxUserAuth", method ={RequestMethod.POST,RequestMethod.GET})
@ResponseBody
public Object wxUserAuth(HttpServletRequest request){
StringBuilder getCodeID = new StringBuilder();
getCodeID.append("https://open.weixin.qq.com/connect/oauth2/authorize?appid=");
getCodeID.append(PaymentConst.WECHAT_APPID);
getCodeID.append("&redirect_uri=" + authorizeNotifyUrl);
getCodeID.append("&response_type=code&scope=snsapi_base#wechat_redirect");
LOGGER.info("微信认证wxUserAuth:");
return getCodeID.toString();
}
/**
* @Title：getOpenId
* @Description：获取openid----授权后重定向的回调链接地址(获取code后重定向到这里)
* @param request
* @return String 返回类型
*/
@RequestMapping(value = "/authorizeNotify", method = RequestMethod.GET)
public void getOpenId(HttpServletRequest request){
String code = request.getParameter("code");
StringBuilder getOpenIDUrl = new StringBuilder();
getOpenIDUrl.append("https://api.weixin.qq.com/sns/oauth2/access_token?appid=");
getOpenIDUrl.append(PaymentConst.WECHAT_APPID);
getOpenIDUrl.append("&secret=" + PaymentConst.WECHAT_PUBLICKEY);
getOpenIDUrl.append("&code=");
getOpenIDUrl.append(code);
getOpenIDUrl.append("&grant_type=authorization_code");
String openIDResponse = HttpClientUtil.sendGetRequest(getOpenIDUrl.toString(), "UTF-8");
LOGGER.info("微信认证authorizeNotify返回结果:"+openIDResponse);
ObjectMapper mapper = new ObjectMapper();
Map<String, Object> params = new HashMap<String,Object>();
String openid = "";
try {
params = mapper.readValue(openIDResponse, Map.class);
if(!params.containsKey("errcode")){
openid = Util.getMapString(params, "openid");
}
} catch (IOException e) {
LOGGER.error("获取openid异常" ,e);
}
request.getSession().setAttribute("wxOpenid", openid);
}
/**
* @Title：weixinPayBack
* @Description：支付回调(微信支付)
* @param request
* @return String 返回类型
*/
@RequestMapping(value="/weiXinPayNotify")
public String weixinPayBack(HttpServletRequest request){
try {
InputStream inStream = request.getInputStream();
ByteArrayOutputStream outSteam = new ByteArrayOutputStream();
byte[] buffer = new byte[1024];
int len = 0;
while ((len = inStream.read(buffer)) != -1) {
outSteam.write(buffer, 0, len);
}
outSteam.close();
inStream.close();
String resultStr = new String(outSteam.toByteArray(),"utf-8");
System.out.println("微信支付的回调："+resultStr);
Map<String, String> resultMap = getWechatXmlToMap(resultStr);
String return_code = resultMap.get("return_code");
if("SUCCESS".equals(return_code)){
//检验API返回的数据里面的签名是否合法，避免数据在传输的过程中被第三方篡改
if(!Signature.checkIsSignValidFromResponseString(resultStr)){
throw new MessageException("微信回调参数签名不合法");
}
String result_code = resultMap.get("result_code");
if("SUCCESS".equals(result_code)){
//支付成功的业务逻辑
String out_trade_no = resultMap.get("out_trade_no");
OrderMain orderMain = orderMainService.findUniqueByProperty("number", out_trade_no);
//修改订单状态为已付款
if (null!=orderMain.getStatus()) {
if ("10".equals(orderMain.getStatus())){
orderMainService.updateOrderStatus(out_trade_no, "20");
}
}
//通知微信.异步确认成功.必写.不然微信会一直通知后台.八次之后就认为交易失败了.
return "<xml><return_code><![CDATA[SUCCESS]]></return_code><return_msg><![CDATA[OK]]></return_msg></xml>";
}
}
} catch (Exception e) {
LOGGER.error(e.getMessage() ,e);
}
return "<xml><return_code><![CDATA[FAIL]]></return_code><return_msg><![CDATA[ERROR]]></return_msg></xml>";
}
/**
* @Title：getWechatXmlToMap
* @Description：微信返回xml结果转为Map
* @param result
* @return
* @throws Exception Map<String,String> 返回类型
*/
private Map<String, String> getWechatXmlToMap(String result) throws Exception{
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
XMLHandler xmlHandler = new XMLHandler();
parser.parse(new ByteArrayInputStream(result.getBytes("UTF-8")), xmlHandler);
return xmlHandler.getParams();
}