spring-boot-dependency-injection

仓库创建 2025年10月21日最近提交 1 个月前SkillHot 收录 22 天前

▸ 精选理由

强调构造器优先和轻量化测试，便于提升代码可维护性与可测性。

这个 Skill 做什么

提供 Spring Boot 的构造器优先注入与可选协作者处理等 DI 模式与校验方法。

给 Spring Boot 项目提供实用的依赖注入模式，优先推荐构造器注入，把必须的依赖放在构造函数、可选的用 ObjectProvider 或 no-op 回退处理。还会指导用 @Primary、@Qualifier 做 Bean 选择，并建议用最小上下文测试校验装配。适合写服务、替换字段注入或排查模糊装配问题时用，能让依赖更明确、可测性更好。

▸ 展开 SKILL.md 英文原文

Provides dependency injection patterns for Spring Boot projects, including constructor-first design, optional collaborator handling, bean selection, and wiring validation. Use when creating services and configurations, replacing field injection, or troubleshooting ambiguous or fragile Spring wiring.

开发编程依赖注入构造器优先Bean 限定通用

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# Spring Boot Dependency Injection

## Overview

Provides constructor-first dependency injection patterns for Spring Boot:
- mandatory collaborators via constructor injection
- optional collaborators via `ObjectProvider` or no-op fallbacks
- bean selection via `@Primary` and `@Qualifier`
- validation via minimal context tests before full integration

## When to Use

Use this skill when:
- creating a new `@Service`, `@Component`, `@Repository`, or `@Configuration` class
- replacing field injection in legacy Spring code
- resolving multiple beans of the same type with qualifiers or primary beans
- handling optional features, adapters, or integrations without null-driven wiring
- reviewing circ

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