java-sdk:Java SDK，可与PayZippy收费，查询和退款API进行交互

Java SDK PayZippy Java SDK，用于与PayZippy收费，查询和退款API进行交互。 结帐Wiki页面以获取文档 To integrate the SDK. 1. Download the SDK, copy the classes from the folder java-sdk-master/target/classes, make sure the package structure is followed. 2. In the checkout page of your website, use the ChargingRequestBuilder object to set all the parameters of your checkout page and then call build method which return ChargingR