GitEE/GitHub 搜索WxJAVA 这个就是这个包的项目可在这里询问问题
<dependency>
<groupId>com.github.binarywang</groupId>
<artifactId>weixin-java-pay</artifactId>
<version>4.5.3.B</version>
</dependency>
微信签名文档：https://pay.weixin.qq.com/wiki/doc/apiv3/wechatpay/wechatpay4_1.shtml
注：不使用HttpServletRequest request 是因为我用这个获取 签名验证出现了错误，所以改用成注解来获取签名
/**
* V3支付接口回调
* @param appid 微信用户的openId 注：这是我自己需要的逻辑参数，你不需要可以不用。
* @param orderPayNo 支付订单号,自己定义的微信支付订单号
* @param payNotifyForm 微信支付回调过来的参数 注：不可以因为看文档而定义一个对象会出问题，只能用String来接受
* @param timestamp 微信签名
* @param nonce 微信签名
* @param serial 微信签名
* @param signature 微信签名
* @param response 返回 回调结果
* @return
*/
@PostMapping("/payNotify/{appid}/{orderPayNo}")
@ApiOperation("支付回调")
public String payNotify(@PathVariable("appid") String appid
, @PathVariable("orderPayNo") String orderPayNo
, @RequestBody String payNotifyForm
, @RequestHeader("Wechatpay-Timestamp") String timestamp
, @RequestHeader("Wechatpay-Nonce") String nonce
, @RequestHeader("Wechatpay-Serial") String serial
, @RequestHeader("Wechatpay-Signature") String signature
, HttpServletResponse response){
return payService.payNotifyV3(appid,orderPayNo, payNotifyForm, timestamp, nonce, serial, signature, response);
}
/**
*
* @param appid 微信用户的openId 注：这是我自己需要的逻辑参数，你不需要可以不用。
* @param outRefundNo 退款订单号,自己定义的微信支付订单号
* @param payNotifyForm 微信支付回调过来的参数 注：不可以因为看文档而定义一个对象会出问题，只能用String来接受
* @param timestamp
* @param nonce
* @param serial
* @param signature
* @param response
* @return
*/
@PostMapping("/refundNotify/{appid}/{outRefundNo}")
@ApiOperation("退款回调")
public String parseRefundNotifyResult(@PathVariable("appid") String appid
, @PathVariable("outRefundNo") String outRefundNo
, @RequestBody String payNotifyForm
, @RequestHeader("Wechatpay-Timestamp") String timestamp
, @RequestHeader("Wechatpay-Nonce") String nonce
, @RequestHeader("Wechatpay-Serial") String serial
, @RequestHeader("Wechatpay-Signature") String signature
, HttpServletResponse response) {
return payService.refundNotifyV3(appid,outRefundNo,payNotifyForm,timestamp, nonce, serial, signature,response);
}
@Component
@Data
@ConfigurationProperties(prefix = "he.wx.pay")
public class WxPayProperties {
/**
* 微信支付商户号
*/
private String mchId;
/**
* 微信支付商户密钥
*/
private String mchKey;
/**
* apiclient_cert.p12文件的绝对路径，或者如果放在项目中，请以classpath:开头指定
*/
private String keyPath;
/**
* API 开发密钥
*/
private String APIv2;
/**
* PI 开发密钥
*/
private String APIv3;
/**
* 微信支付 证书key
*/
private String privateKeyPath;
/**
* 微信支付 证书Cert
*/
private String privateCertPath;
/**
* 回调Url
*/
private String notifyUrl;
}
@Autowired
private WxPayProperties properties; // 获取证书，密钥等参数的工具类
/** 获取 WxPayService接口
* getWxPayService
* @param appid
* @return
*/
private WxPayService getWxPayService(String appid){
WxPayConfig payConfig = new WxPayConfig();
payConfig.setAppId(appid);
payConfig.setMchId(StringUtils.trimToNull(this.properties.getMchId()));
payConfig.setMchKey(StringUtils.trimToNull(this.properties.getMchKey()));
payConfig.setKeyPath(StringUtils.trimToNull(this.properties.getKeyPath()));
payConfig.setApiV3Key(StringUtils.trimToNull(this.properties.getAPIv3()));
payConfig.setPrivateKeyPath(StringUtils.trimToNull(this.properties.getPrivateKeyPath()));
payConfig.setPrivateCertPath(StringUtils.trimToNull(this.properties.getPrivateCertPath()));
// 可以指定是否使用沙箱环境
payConfig.setUseSandboxEnv(false);
WxPayService wxPayService = new WxPayServiceImpl();
wxPayService.setConfig(payConfig);
return wxPayService;
}
/**
* new SignatureHeader() 签名对象
* @param timestamp
* @param nonce
* @param serial
* @param signature
* @return
*/
private SignatureHeader getSignatureHeader(String timestamp, String nonce, String serial, String signature){
SignatureHeader signatureHeader = new SignatureHeader();
signatureHeader.setTimeStamp(timestamp);
signatureHeader.setNonce(nonce);
signatureHeader.setSerial(serial);
signatureHeader.setSignature(signature);
return signatureHeader;
}
@Override
public String payNotifyV3(String appid,String orderPayNo, String payNotifyForm, String timestamp, String nonce, String serial, String signature, HttpServletResponse response){
WxPayService wxPayService = this.getWxPayService(appid);
SignatureHeader signatureHeader = this.getSignatureHeader(timestamp, nonce, serial, signature);
try{
// 使用maven包中的方法进行解析与验证
WxPayNotifyV3Result notifyV3Result =
wxPayService.parseOrderNotifyV3Result(payNotifyForm, signatureHeader);
// 保存支付回调记录 用于在数据库中观看传过来的参数这么处理
wxPayXmlService.saveWxPayXml(WxPayXmlTypeEnum.PAY.getKey(),orderPayNo,notifyV3Result.toString(),WxPayXmlRequestResponseEnum.EMPLOY.getKey());
// 我对订单的处理逻辑 根据项目逻辑来
this.payNotifyDisposal(notifyV3Result, orderPayNo);
}catch (WxPayException e){
// 保存支付回调的报错信息 方便用于排错
wxPayXmlService.saveWxPayXml(WxPayXmlTypeEnum.PAY.getKey(),orderPayNo,e.getCustomErrorMsg(),WxPayXmlRequestResponseEnum.RESPONSE.getKey());
response.setStatus(500);
e.printStackTrace();
return "{"+
'"'+ "code"+'"'+":"+'"'+"FAIL"+'"'+" "+
'"'+ "message"+'"'+":"+'"'+"失败"+'"'+
"}";
}catch (Exception e){
response.setStatus(500);
e.printStackTrace();
return "{"+
'"'+ "code"+'"'+":"+'"'+"FAIL"+'"'+" "+
'"'+ "message"+'"'+":"+'"'+"失败"+'"'+
"}";
}
//设置状态码
response.setStatus(200);
return "{"+
'"'+ "code"+'"'+":"+'"'+"SUCCESS"+'"'+" "+
'"'+ "message"+'"'+":"+'"'+"成功"+'"'+
"}";
}
@Override
public String refundNotifyV3(String appid,String outRefundNo, String resultNotify, String timestamp, String nonce, String serial, String signature, HttpServletResponse response) {
WxPayService wxPayService = this.getWxPayService(appid);
SignatureHeader signatureHeader = this.getSignatureHeader(timestamp, nonce, serial, signature);
try {
// 使用maven包中的方法进行解析与验证
WxPayRefundNotifyV3Result wxPayRefundNotifyV3Result =
wxPayService.parseRefundNotifyV3Result(resultNotify, signatureHeader);
// 微信退款回调参数保存
wxPayXmlService.saveWxPayXml(WxPayXmlTypeEnum.REFUND.getKey(),outRefundNo,wxPayRefundNotifyV3Result.toString(),WxPayXmlRequestResponseEnum.EMPLOY.getKey());
this.payRefundNotifyDisposal(wxPayRefundNotifyV3Result, outRefundNo);
}catch (WxPayException e){
// 微信退款回调参数报错信息 保存
wxPayXmlService.saveWxPayXml(WxPayXmlTypeEnum.REFUND.getKey(),outRefundNo,e.getCustomErrorMsg(),WxPayXmlRequestResponseEnum.EMPLOY.getKey());
e.printStackTrace();
//设置状态码 返回给微信
response.setStatus(500);
return "{"+
'"'+ "code"+'"'+":"+'"'+"SUCCESS"+'"'+" "+
'"'+ "message"+'"'+":"+'"'+"成功"+'"'+
"}";
}catch (Exception e){
e.printStackTrace();
//设置状态码 返回给微信
response.setStatus(500);
return "{"+
'"'+ "code"+'"'+":"+'"'+"SUCCESS"+'"'+" "+
'"'+ "message"+'"'+":"+'"'+"成功"+'"'+
"}";
}
//设置状态码 返回给微信
response.setStatus(200);
return "{"+
'"'+ "code"+'"'+":"+'"'+"SUCCESS"+'"'+" "+
'"'+ "message"+'"'+":"+'"'+"成功"+'"'+
"}";
}