java工具类包

Hutool

提供丰富的java方法，其maven引用

<dependency>
    <groupId>com.xiaoleilu</groupId>
    <artifactId>hutool</artifactId>
    <version>2.15.3</version>
</dependency>

 easypoi

Excel与Word简易工具类

<dependency>
    <groupId>org.jeecg</groupId>
    <artifactId>easypoi-base</artifactId>
    <version>2.3.0.2</version>
</dependency>