stringUtil 工具类
Maven配置文件pom.xml
<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-lang3 -->
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
</dependency>
使用说明
http://commons.apache.org/proper/commons-lang/javadocs/api-3.9/
