Java Visitor Pattern Example: Managing Employee Access Across Departments in an OA System

This article explains the Visitor design pattern, illustrates its structure, and provides a complete Java implementation that lets HR and finance departments process full‑time and part‑time employee data in an OA system without modifying existing classes.

Design PatternsOA SystemOpen/Closed Principle

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Java Visitor Pattern Example: Managing Employee Access Across Departments in an OA System

转转QA

Jan 23, 2024 · Backend Development

Optimizing Legal Template Contract Workflow with OA System and Activiti

This article describes how a corporate legal department streamlined contract handling by abstracting template contracts into an OA-based online process, reusing common approval nodes, leveraging a configuration center for validation, and implementing a generic validator with sample Java code, resulting in reduced workload and improved user experience.

ActivitiContract ManagementOA System

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Optimizing Legal Template Contract Workflow with OA System and Activiti

Java Captain

Jan 3, 2021 · Backend Development

OA Office Automation System Based on Spring Boot – Project Overview and Deployment Guide

This article introduces an OA office automation system built with Spring Boot, MySQL, Freemarker, and Bootstrap, outlines its project structure, front‑end and back‑end components, provides step‑by‑step deployment instructions, and shares screenshots and the repository link for developers.

BootstrapFreemarkerOA System

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OA Office Automation System Based on Spring Boot – Project Overview and Deployment Guide