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README
Apache-2.0

jhelper

介绍

jhelper为Java开发人员提供了一系列常用的工具类。如果您不想在项目里自己造轮子了,建议您用它。

理念

jhelper的设计目标是Simple, Stable, Smart.

  • Simple 源文件少、体积小、结构清晰,非必要不依赖第三方Library
  • Stable 稳定是对Library的基本要求,谁的生活都不容易,不要给别人制造Bug
  • Smart 简洁且语义化的API,没有学习成本,让用户不看文档也能用起来

jhelper中,绝大多数类名都是以er/or结尾的,它们都是您的工具人。简单、稳定、好用,是一个工具人的基本修养。正如您所见,jhelper与常见的套路不同, 没有StringUtils、CollectionUtils这样的东西,而是以“行为”为主题组织API,想编解码就用Codec,想查找就用Finder,想排序就用Sorter。

JDK版本

Java 10+, 最好是Java 11;不支持Java 8及以下版本。我们强烈建议开发者与时俱进,升级到Java 11 LTS。

第三方依赖

jhelper以尽量不依赖第三方为开发原则。但有一些久经考验的、优秀的第三方库,真的值得采用。

  • 如果您要用到Codec,则需要在您的项目中引入jackson、msgpack
  • 如果您要用到Persister,则需要在您的项目中引入Apache-DbUtils和HikariCP

功能

# 类名 用途
1 Empty 提供了一组is静态方法,判断各种类型的数组、集合、对象是否为null或empty
2 Codec 依赖于JACKSON, 提供了一组静态to方法和decode方法,对Base64, JSON和MSGPACK进行编解码
3 Concator 提供了一组concat静态方法,将两个数组/集合或者多个字符串合并起来
4 Converter 提供了一组to*静态方法,用于数据类型之间的转换
5 Cryptor 提供了一组静态方法,支持Hash,对称加密以及签名操作
6 Executor 提供了两个execute静态方法,用于异步执行任务
7 Finder 提供了一组find静态方法,用于在各种类型的数组、集合中进行查找
8 Guarder 静态。用于生成图片验证码、密码加密、Session生成及Session验证的机制
9 INIReader 非静态。用于处理Windows INI配置文件。提供了一组get*方法获取键值
10 Reflector 静态。以反射的方式设置(setValue)、获取(getValue)对象属性的值。fill/dump实现了map和java bean之间的转换
11 Requester 静态。基于Java Http Client API,封装了get/post请求
12 Slicer 提供了一组slice静态方法,将各种类型的数组、集合进行切片
13 Sorter 提供了一组sort静态方法,对各种类型的数组、集合进行排序,支持顺序/倒序,以及并行排序
14 Spliter 提供了一组split静态方法,将一个字符串,按特定的分隔符分割为一系列的子字符串或者整数
15 Persister 依赖于Apache DbUtils和Hikari,封装了常用的数据库操作,并且支持连接池
16 Pinyin 提供了一个静态方法 getFirstLetters,提取输入的中文的拼音首字母,比如:“中国人民”->"ZGRM"
17 Time 基于JAVA新的日期API,提供了一系列日期操作的静态方法,比如日期/时间的获取、比较、转换、格式化等
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简单、稳定、好用的Java工具类 展开 收起
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Apache-2.0
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