https://saucewu.github.io/tags/optimization/Recent content in Optimization on Website of SauceWuHugo -- gohugo.iozhMon, 20 Apr 2026 12:00:00 +0000https://saucewu.github.io/posts/flutter-%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E5%AE%9E%E6%88%98/Mon, 20 Apr 2026 12:00:00 +0000https://saucewu.github.io/posts/flutter-%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E5%AE%9E%E6%88%98/<h1 id="flutter-性能优化实战">Flutter 性能优化实战</h1> <h2 id="目录">目录</h2> <ul> <li>一、性能问题的三个来源</li> <li>二、Build 阶段优化</li> <li>三、Layout / Paint 阶段优化</li> <li>四、内存与图片优化</li> <li>五、列表性能</li> <li>六、用 DevTools 定位问题</li> <li>七、速查清单</li> </ul> <hr> <h2 id="一性能问题的三个来源">一、性能问题的三个来源</h2> <p>Flutter 渲染一帧的流程是：<strong>Build → Layout → Paint → Composite → Rasterize</strong>。性能问题几乎都出在前三个阶段：</p>