Spring Full-Stack Practical Cases

Feb 15, 2026 · Backend Development

How to Integrate EasyCaptcha with Spring Boot 3: A Complete Guide

This tutorial explains how to add the EasyCaptcha library to a Spring Boot 3.5.0 project, covering dependency setup, generating various captcha types (arithmetic, Chinese, font‑based), converting them to images or Base64, and integrating the captcha flow with Redis in a Spring MVC controller.