Entrance 支付宝的API文档
在上一篇中，集成第三方支付的流程：下单，异步通知，查询，还涉及到提现，退款，关闭订单等，我们以后在介绍。目前先介绍前三个。
一、支付宝统一下单请求交易
/**
* 支付宝请求交易
*
* @param bean
* @return
*/
@RequestMapping(value=Route.Payment.ALI_PAY,method=RequestMethod.POST)
@ResponseBody
public Response pay(@PathVariable("userId") int userId,@PathVariable("amount") String amount) {
log.info("infoMsg:--- 支付宝请求交易开始");
Response resp = this.getReponse();
try {
//----------------请求参数------------------//
ThirdPayBean payBean = thirdPayService.findByPayId(18);
Assert.notNull(payBean);
String notify_url = payBean.getReturn_url();
String APP_ID = payBean.getMer_no(); //支付宝商戶号
String mer_key = payBean.getMer_key(); //支付宝公钥|商户私钥
String public_key = mer_key.split("|")[0];
String private_key = mer_key.split("|")[1];
String ALIPAY_PUBLIC_KEY = MD5_UTIL.convertMD5(MD5_UTIL.convertMD5(public_key));
String APP_PRIVATE_KEY = MD5_UTIL.convertMD5(MD5_UTIL.convertMD5(private_key));
String passbackParams = userId + "|" + "18"; //拓展参数
//实例化客户端
AlipayClient alipayClient = new DefaultAlipayClient(alipay_Url, APP_ID, APP_PRIVATE_KEY, "JSON", "UTF-8", ALIPAY_PUBLIC_KEY, "RSA2");
//实例化具体API对应的request类,类名称和接口名称对应,当前调用接口名称：alipay.trade.app.pay
AlipayTradeAppPayRequest request = new AlipayTradeAppPayRequest();
//SDK已经封装掉了公共参数，这里只需要传入业务参数。以下方法为sdk的model入参方式(model和biz_content同时存在的情况下取biz_content)。
AlipayTradeAppPayModel model = new AlipayTradeAppPayModel();
model.setSubject("循心科技");
model.setOutTradeNo(OrderGeneratedUtils.getOrderNo());
model.setTimeoutExpress("30m");
model.setTotalAmount(amount);
model.setProductCode("QUICK_MSECURITY_PAY");
model.setPassbackParams(passbackParams);
request.setBizModel(model);
request.setNotifyUrl(notify_url);
//这里和普通的接口调用不同，使用的是sdkExecute
AlipayTradeAppPayResponse response = alipayClient.sdkExecute(request);
// System.out.println(response.getBody());//就是orderString 可以直接给客户端请求，无需再做处理。
//生成账单
boolean result = rechargeRecordService.generatedBills(response.getBody(),passbackParams);
if(!result) {
log.error("订单生成失败");
}
log.info("infoMsg:--- 支付宝请求交易结束");
return resp.success(response.getBody());
} catch (AlipayApiException e) {
log.error("errorMsg:--- 支付宝请求交易失败" + e.getMessage());
return resp.failure(e.getMessage());
}
}二、支付宝支付通知地址
/**
* 支付宝支付通知地址
*
* @param request
* @return
*/
@RequestMapping(value=Route.Payment.ALI_PAY_NOTIFY,method=RequestMethod.POST)
@ResponseBody
public Response alipay_notify(HttpServletRequest request) {
log.info("infoMsg:--- 支付宝验证异步通知信息开始");
Response resp = this.getReponse();
try {
//----------------请求参数------------------//
ThirdPayBean payBean = thirdPayService.findByPayId(18);
Assert.notNull(payBean);
String mer_key = payBean.getMer_key(); //支付宝公钥|商户私钥
String public_key = mer_key.split("|")[0];
String ALIPAY_PUBLIC_KEY = MD5_UTIL.convertMD5(MD5_UTIL.convertMD5(public_key));
//获取支付宝POST过来反馈信息
Map<String,String> params = new HashMap<String,String>();
Map requestParams = request.getParameterMap();
for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
String[] values = (String[]) requestParams.get(name);
String valueStr = "";
for (int i = 0; i < values.length; i++) {
valueStr = (i == values.length - 1) ? valueStr + values[i]
: valueStr + values[i] + ",";
}
//乱码解决，这段代码在出现乱码时使用。
//valueStr = new String(valueStr.getBytes("ISO-8859-1"), "utf-8");
params.put(name, valueStr);
}
//切记alipaypublickey是支付宝的公钥，请去open.alipay.com对应应用下查看。
//boolean AlipaySignature.rsaCheckV1(Map<String, String> params, String publicKey, String charset, String sign_type)
boolean flag = AlipaySignature.rsaCheckV1(params, ALIPAY_PUBLIC_KEY, "utf-8","RSA2");
if(flag) {
//TODO 账变，修改状态，到账提醒
Double amount = Double.parseDouble(params.get("amount"));
String passbackParams = params.get("passbackParams");
String order_no = params.get("out_trade_no");
boolean result = rechargeRecordService.updateBill(amount,passbackParams,order_no);
if(result) {
System.out.println("订单更新成功");
}
}
log.info("infoMsg:--- 支付宝验证异步通知信息结束");
return resp.success();
} catch (AlipayApiException e) {
log.info("infoMsg:--- 支付宝验证异步通知信息结束" + e.getMessage());
return resp.failure(e.getMessage());
}
}三、支付宝单笔提现
/**
* 支付宝单笔提现
*
* @param userId
* @param amount
* @return
*/
@RequestMapping(value=Router.Payment.ALI_PAY_TRANSFER,method=RequestMethod.POST)
@ResponseBody
public Response alipay_transfer(@PathVariable("userId") int userId,@PathVariable("amount") String amount) {
String message = "";
log.info("infoMsg:--- 支付宝提现开始");
Response resp = this.getReponse();
try {
//----------------请求参数------------------//
ThirdPayBean payBean = thirdPayService.findByPayId(18);
Assert.notNull(payBean);
String APP_ID = payBean.getMer_no(); //支付宝商戶号
String mer_key = payBean.getMer_key(); //支付宝公钥|商户私钥
String public_key = mer_key.split("|")[0];
String private_key = mer_key.split("|")[1];
String ALIPAY_PUBLIC_KEY = MD5_UTIL.convertMD5(MD5_UTIL.convertMD5(public_key));
String APP_PRIVATE_KEY = MD5_UTIL.convertMD5(MD5_UTIL.convertMD5(private_key));
String passbackParams = userId + "|" + "18"; //拓展参数
String orderNo = OrderGeneratedUtils.getOrderNo();
AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do";,APP_ID,APP_PRIVATE_KEY,"JSON","utf-8",ALIPAY_PUBLIC_KEY,"RSA2");
AlipayFundTransToaccountTransferRequest request = new AlipayFundTransToaccountTransferRequest();
AlipayTradeAppPayModel model = new AlipayTradeAppPayModel();
//转账参数拼装 TODO
model.setSubject("循心科技");
model.setOutTradeNo(orderNo);
model.setTimeoutExpress("30m");
model.setProductCode("QUICK_MSECURITY_PAY");
request.setBizModel(model);
AlipayFundTransToaccountTransferResponse response = alipayClient.execute(request);
String body = response.getBody();
//解析返回值
message = rechargeRecordService.createTransfer(body,passbackParams);
if(message.equalsIgnoreCase("Success")) {
boolean result = transferRecordService.saveTransRecord(body,amount,passbackParams);
if(result) {
log.info("infoMsg:--- 支付宝提现成功");
}
}else {
log.error("errorMsg:--- 支付宝提现失败" + message);
}
log.info("infoMsg:--- 支付宝提现结束");
return resp.success();
} catch (AlipayApiException e) {
log.error("errorMsg:--- 支付宝提现失败" + e.getMessage());
return resp.failure(message + e.getMessage());
}
}四、支付宝订单查询
/**
* 支付宝支付订单查询
*
* @param request
* @return
*/
@RequestMapping(value=Route.Payment.ALI_PAY_QUERY,method=RequestMethod.POST)
@ResponseBody
public Response alipay_query(HttpServletRequest req) {
log.info("infoMsg:--- 支付宝订单查询开始");
Response resp = this.getReponse();
try {
AlipayClient alipayClient = new DefaultAlipayClient("https://openapi.alipay.com/gateway.do";,"app_id","your private_key","json","GBK","alipay_public_key","RSA2");
AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
request.setBizContent("{" +
"\"out_trade_no\":\"20150320010101001\"," +
"\"trade_no\":\"2014112611001004680 073956707\"" +
" }");
AlipayTradeQueryResponse response;
response = alipayClient.execute(request);
if(response.isSuccess()){
System.out.println("调用成功");
} else {
System.out.println("调用失败");
}
log.info("infoMsg:--- 支付宝订单查询结束");
return resp.success();
} catch (AlipayApiException e) {
log.error("errorMsg:--- 支付宝订单查询失败");
return resp.failure(e.getMessage());
}
}ps: 总结，作为IT巨头，支付宝的文档总结得是很给力的。在开放平台下载相关jar宝 友情链接
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