https://developers.weixin.qq.com/doc/oplatform/Miniprogram_Frame/utils.htmlhttps://developers.weixin.qq.com/doc/oplatform/Miniprogram_Frame/utils.htmlhttps://developers.weixin.qq.com/doc/oplatform/Miniprogram_Frame/utils.html

WmpfDeviceSignUpUtil.workingDir = System.getProperty("java.io.tmpdir");
按照官网操作引入了jar包报错
'workingDir' has private access in 'com.tencent.wmpf.activate.util.WmpfDeviceSignUpUtil'