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<dependency>
  <groupId>net.unmz.java.wechat.pay</groupId>
  <artifactId>wechat-pay-sdk</artifactId>
  <version>1.0.13</version>
</dependency>

1.统一下单
2.查询订单
3.关闭订单
4.回调通知
5.退款查询
6.申请退款

UnifiedOrderRequestDto dto = new UnifiedOrderRequestDto();
dto.setAppid("AppId");
dto.setMch_id("商户号");
dto.setBody("123");
dto.setNonce_str(StrCodeUtils.getStrCode(16));
dto.setNotify_url("123");
dto.setOut_trade_no("111");
dto.setTrade_type("JSAPI");
dto.setTotal_fee("123");
dto.setSpbill_create_ip("192.168.1.1");
dto.setOpenid("OpenId");

//dto.setSub_appid("特约商户APPID");
//dto.setSub_mch_id("特约商户号");
//dto.setSub_openid("特约商户OpenId");

WeChatPay client = new WeChatUnifiedOrder();
try {
    WeChatPay.setAppKey("商户密钥");//当选择服务商模式时,此处的appKey选用服务商统一秘钥
    UnifiedOrderResponseDto responseDto = (UnifiedOrderResponseDto) client.execute(dto);
    System.out.println(responseDto.getPrepay_id());
} catch (Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
}

OrderQueryRequestDto dto = new OrderQueryRequestDto();
dto.setAppid("AppId");
dto.setMch_id("商户号");
dto.setNonce_str(StrCodeUtils.getStrCode(16));
dto.setOut_trade_no("111");

WeChatPay client = new WeChatOrderQuery();
try {
    WeChatPay.setAppKey("商户密钥");
    OrderQueryResponseDto responseDto = (OrderQueryResponseDto) client.execute(dto);
    System.out.println(responseDto.getTrade_state_desc());
} catch (Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
}

CloseOrderRequestDto dto = new CloseOrderRequestDto();
dto.setAppid("AppId");
dto.setMch_id("商户号");
dto.setNonce_str(StrCodeUtils.getStrCode(16));
dto.setOut_trade_no("1231");

//dto.setSub_appid("特约商户APPID");
//dto.setSub_mch_id("特约商户号");

WeChatPay client = new WeChatCloseOrder();
try {
    WeChatPay.setAppKey("商户密钥");
    CloseOrderResponseDto responseDto = (CloseOrderResponseDto) client.execute(dto);
    System.out.println(responseDto.getReturn_msg());
} catch (Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
}

HttpServletRequest request = null;

WeChatPay.setAppKey("商户秘钥");
WeChatCallBackDto dto = WeChatCallBack.callBack(request);
String result = dto.getResult_wecaht_message();//用于响应给微信,告知微信成功或者失败
if ("success".equalsIgnoreCase(dto.getReturn_code())) {
    //成功后的业务逻辑
}

RefundQueryRequestDto dto = new RefundQueryRequestDto();
dto.setAppid("AppId");
dto.setMch_id("商户号");
dto.setNonce_str(UUIDUtils.getUUID());
dto.setOut_trade_no("商户订单号");

WeChatPay client = new WeChatRefundQuery();
try {
    WeChatPay.setAppKey("商户密钥");
    
    Map<String,String> map = client.execute(dto);
    //RefundQueryResponseDto responseDto = (RefundQueryResponseDto) client.execute(dto);//该方法动态参数解析还有部分问题,建议先用map接收
    //System.out.println(responseDto.getReturn_msg());
} catch (Exception e) {
    System.out.println(e.getMessage());
    e.printStackTrace();
}

RefundRequestDto dto = new RefundRequestDto();
dto.setAppid("AppId");
dto.setMch_id("商户号");

dto.setNonce_str(UUIDUtils.getUUID());
dto.setNotify_url("回调通知地址");
dto.setOut_trade_no("商户订单号");
dto.setTotal_fee("金额");
dto.setOut_refund_no("退款订单号");
dto.setRefund_fee("退款金额");

WeChatPay client = new WeChatRefundAble();
try {
    WeChatPay.setAppKey("商户秘钥");
    WeChatPay.setUseCert(true);
    WeChatPay.setSslCertPath("证书地址(建议在非项目内)");
    WeChatPay.setSslCertPassword("证书密码(默认是商户Id)");
    
    Map<String,String> map = client.execute(dto);
    //RefundResponseDto responseDto = (RefundResponseDto) client.execute(dto);//该方法动态参数解析还有部分问题,建议先用map接收
    //System.out.println(JsonUtils.toJSON(responseDto));
} catch (Exception e) {
    e.printStackTrace();
}

WeChatPay.setAppKey("商户秘钥");
WeChatRefundCallBackDto dto = WeChatRefundCallBack.callBack(request);
System.out.println(JsonUtils.toJSON(dto));

升级依赖包版本

增加微信支付退款回调解析
微信支付所有接口增加map返回

更新common工具类版本,优化xml解析

修复bug

1.调整异常输出,将错误码与错误信息一并返回,用英文逗号隔开(修改微信查询订单对订单的描述)
2.将应用的common依赖版本升级

新增自定义注解,校验入参中属性的合法性
问题:在汉字校验中有异常,微信校验中,一个汉字不是一个长度

修复解析XML文件出现XXE漏洞的风险

1.更新统一下单时,参数校验的方法
2.完善文档,方便自己,也方便他人

补充1.0.4版本中未完善的功能,因已经发布maven**仓库,所以只能重新发版

1.对接服务商接口配置
2.完善退款查询与申请退款接口

修复回调时,签名未校验通过返回成功消息

新增微信回调解析