Common web tools

Necessary Java tool class and Middleware <!– Maps,Sets,CollectionUtils –> <dependency> <groupId>com.google.guava</groupId> <artifactId>guava</artifactId> <version>28.1-jre</version> </dependency> <!– StringUtils –> <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> </dependency> <! — JSON special toolkit — > <dependency> <groupId>com.alibaba</groupId> <artifactId>fastjson</artifactId> <version>1.2.62</version> </dependency> JSON tool class Serverresponse – Generic JSON response object Responsecode is an enumeration class that encapsulates code and desc package com.mmall.common; import […]