Java 8+ · Apache 2.0

轻量、实用的 Java 工具库Lightweight, practical Java utilities.

AJ-Utils 是一个面向 Java 8 的模块化工具库，提供日常开发常用的通用能力，以及 FTP、S3 对象存储、二维码和密码学等独立组件。A modular collection of everyday utilities and standalone components for FTP, S3-compatible storage, QR codes and cryptography.

开始使用Get started 查看 GitHub ↗View GitHub ↗

模块Modules

按需引入，职责清晰。Focused modules. Clear boundaries.

选择最贴合任务的组件，避免不必要的依赖。Use only the component you need and avoid unnecessary dependencies.

01 / CORE

aj-util

字符串、集合、日期、JSON、XML、I/O、反射等通用工具。General utilities for strings, collections, dates, JSON, XML, I/O and reflection.

02 / TRANSFER

aj-ftp

支持上传、下载与进度追踪的轻量 FTP 客户端。A lightweight FTP client with upload, download and progress tracking.

03 / STORAGE

aj-s3client

S3 兼容对象存储客户端。A focused client for S3-compatible object storage.

04 / ENCODE

aj-qrcode

支持 PNG、SVG 等格式的二维码生成组件。QR code generation with PNG, SVG and other output formats.

05 / SECURITY

aj-cryptography

支持 AES、DES、PBE、RSA 等加密与解密。Cryptography helpers for AES, DES, PBE, RSA and more.

06 / NETWORK

aj-http

简洁易用的 HTTP 请求组件。A simple component for HTTP requests.

为什么选择 AJ-UtilsWhy AJ-Utils

经得起长期使用。Built for the long run.

Java 8 兼容Java 8 compatible

所有组件均面向 Java 8 及以上环境。Every component targets Java 8 and later runtimes.

清晰易懂Readable by design

直观的 API 与实现，便于使用和维护。Straightforward APIs and implementations.

重视质量Quality-focused

代码注释、文档和单元测试支持可靠集成。Comments, documentation and tests support integration.

模块化使用Modular by default

只引入需要的组件。Use only what your project needs.

开始使用Get started

一个依赖，处处可用。One dependency. Useful everywhere.

将核心工具库添加至 Maven 项目。Add the core utility module to your Maven project.

GitHub ↗GitCode ↗Gitee ↗

<dependency>
  <groupId>com.ajaxjs</groupId>
  <artifactId>ajaxjs-util</artifactId>
  <version>1.3.4</version>
</dependency>