https://chenshungen.cn/tags/%E6%9C%80%E4%BD%B3%E5%AE%9E%E8%B7%B5/Recent content in 最佳实践 on Chen ShungenHugozh-cnWed, 15 Apr 2026 00:00:00 +0000https://chenshungen.cn/blog/golang-backend/Wed, 15 Apr 2026 00:00:00 +0000https://chenshungen.cn/blog/golang-backend/<h2 id="为什么选择-go">为什么选择 Go？</h2> <p>Go 语言在后端开发中的优势不言而喻：</p> <ul> <li><strong>编译速度快</strong>：秒级编译，开发体验流畅</li> <li><strong>并发原语优秀</strong>：goroutine + channel 模型简洁强大</li> <li><strong>部署简单</strong>：单二进制文件，无依赖</li> <li><strong>性能优异</strong>：接近 C 的性能，远超脚本语言</li> </ul> <h2 id="项目结构推荐">项目结构推荐</h2> <div class="highlight-wrapper"> <button class="copy-code-btn" type="button" aria-label="Copy code to clipboard"> <svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true"> <rect x="9" y="9" width="13" height="13" rx="2" ry="2"></rect> <path d="M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1"></path> </svg> <span class="copy-text">Copy</span> </button><div class="highlight"><pre tabindex="0" class="chroma"><code class="language-text" data-lang="text"><span class="line"><span class="cl">project/ </span></span><span class="line"><span class="cl">├── cmd/ # 应用入口 </span></span><span class="line"><span class="cl">│ └── server/ </span></span><span class="line"><span class="cl">│ └── main.go </span></span><span class="line"><span class="cl">├── internal/ # 内部包（不对外暴露） </span></span><span class="line"><span class="cl">│ ├── handler/ # HTTP 处理器 </span></span><span class="line"><span class="cl">│ ├── service/ # 业务逻辑 </span></span><span class="line"><span class="cl">│ ├── repository/ # 数据访问 </span></span><span class="line"><span class="cl">│ └── model/ # 数据模型 </span></span><span class="line"><span class="cl">├── pkg/ # 可复用的公共包 </span></span><span class="line"><span class="cl">├── api/ # API 定义（proto/openapi） </span></span><span class="line"><span class="cl">├── config/ # 配置文件 </span></span><span class="line"><span class="cl">└── deploy/ # 部署相关</span></span></code></pre></div></div> <h2 id="错误处理模式">错误处理模式</h2> <p>Go 的错误处理虽然冗长，但有其设计哲学。推荐的做法：</p>