用ssm写一个支付宝当面付的代码
时间: 2023-06-09 11:03:49 浏览: 49
好的,这是一个使用SSM框架实现支付宝当面付功能的简单代码实现:
1.首先需要在支付宝开发平台创建应用并获取应用的APPID、商户私钥和支付宝公钥。
2.在项目中引入alipay-sdk-java依赖包,可以从官网下载或者使用Maven。
3.创建AlipayService接口,实现支付宝当面付的请求和响应功能。
```
public interface AlipayService {
String tradePrecreate(AlipayBean alipayBean) throws AlipayApiException;
String getQRCode(String outTradeNo, String imgPath) throws IOException;
}
```
4.实现AlipayServiceImpl类,完成支付宝当面付功能的具体实现。主要包括创建订单、生成二维码等操作。
```
@Service
public class AlipayServiceImpl implements AlipayService {
@Autowired
private AlipayClient alipayClient;
@Autowired
private AlipayConfig alipayConfig;
@Override
public String tradePrecreate(AlipayBean alipayBean) throws AlipayApiException {
AlipayTradePrecreateRequest request = new AlipayTradePrecreateRequest();
request.setNotifyUrl(alipayConfig.getNotifyUrl());
request.setBizContent("{" +
"\"out_trade_no\":\"" + alipayBean.getOut_trade_no() + "\"," +
"\"total_amount\":\"" + alipayBean.getTotal_amount() + "\"," +
"\"subject\":\"" + alipayBean.getSubject() + "\"," +
"\"timeout_express\":\"" + alipayBean.getTimeout_express() + "\"}");
AlipayTradePrecreateResponse response = alipayClient.execute(request);
if (response.isSuccess()) {
return response.getQrCode();
} else {
throw new AlipayApiException("调用支付宝当面付失败");
}
}
@Override
public String getQRCode(String outTradeNo, String imgPath) throws IOException {
AlipayTradeQueryRequest request = new AlipayTradeQueryRequest();
request.setBizContent("{" + "\"out_trade_no\":\"" + outTradeNo + "\"}");
AlipayTradeQueryResponse response;
try {
response = alipayClient.execute(request);
if (response.isSuccess()) {
BufferedImage image = QrCodeUtil.createImage(response.getQrCode(), imgPath, true);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ImageIO.write(image, "png", baos);
byte[] bytes = baos.toByteArray();
return Base64.encodeBase64String(bytes);
} else {
return null;
}
} catch (AlipayApiException e) {
e.printStackTrace();
return null;
}
}
}
```
以上代码只是一个简单的示例,具体实现还需要考虑错误处理、参数校验等细节问题。