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| author | muqiuhan <[email protected]> | 2025-03-20 10:09:58 +0000 |
|---|---|---|
| committer | muqiuhan <[email protected]> | 2025-03-20 10:09:58 +0000 |
| commit | d583a9dc930ba250135ca795c5207f8343ba7411 (patch) | |
| tree | 99b5a5e3e1da4744503436e6d48840cf2a5f91b1 /2025/03 | |
| parent | 9df0b6bd6fb31d69c7939028bdb39dc829efeff1 (diff) | |
| download | blog-d583a9dc930ba250135ca795c5207f8343ba7411.tar.gz | |
deploy: 951ed14c0cac247fa7f1e571c9fe27442d10dd26
Diffstat (limited to '2025/03')
| -rw-r--r-- | 2025/03/13/领域驱动设计中的“聚合根”/index.html | 8 | ||||
| -rw-r--r-- | 2025/03/14/DDD-中的-Ubiquitous-Languages/index.html | 284 | ||||
| -rw-r--r-- | 2025/03/17/二〇二五年三月十七日/index.html | 2 | ||||
| -rw-r--r-- | 2025/03/19/领域驱动设计中聚合根持久化和事件发布可能导致数据不一致问题/index.html | 5 | ||||
| -rw-r--r-- | 2025/03/20/TDD-和-DDD-的一些小想法/index.html | 286 | ||||
| -rw-r--r-- | 2025/03/20/肺功能检查数值/index.html | 306 |
6 files changed, 883 insertions, 8 deletions
diff --git a/2025/03/13/领域驱动设计中的“聚合根”/index.html b/2025/03/13/领域驱动设计中的“聚合根”/index.html index f873f090..9d5309c5 100644 --- a/2025/03/13/领域驱动设计中的“聚合根”/index.html +++ b/2025/03/13/领域驱动设计中的“聚合根”/index.html @@ -146,12 +146,6 @@ Technique </a> </span> - - <span class="post-tag"> - <a href="/tags/Software-Engineering/"> - Software Engineering - </a> - </span> </div> @@ -203,7 +197,7 @@ <div class="icon arrow-left"></div> <div class="post-link"> - <a href="/2025/03/17/%E4%BA%8C%E3%80%87%E4%BA%8C%E4%BA%94%E5%B9%B4%E4%B8%89%E6%9C%88%E5%8D%81%E4%B8%83%E6%97%A5/">Prev</a> + <a href="/2025/03/14/DDD-%E4%B8%AD%E7%9A%84-Ubiquitous-Languages/">Prev</a> </div> </div> diff --git a/2025/03/14/DDD-中的-Ubiquitous-Languages/index.html b/2025/03/14/DDD-中的-Ubiquitous-Languages/index.html new file mode 100644 index 00000000..2916b4d3 --- /dev/null +++ b/2025/03/14/DDD-中的-Ubiquitous-Languages/index.html @@ -0,0 +1,284 @@ +<!DOCTYPE html> +<html lang="en"> + <head> + <meta charset="UTF-8"> +<meta name="viewport" + content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> +<meta http-equiv="X-UA-Compatible" content="ie=edge"> + + <meta name="author" content="韩暮秋"> + + + <meta name="subtitle" content="暮秋小屋"> + + + <meta name="description" content="这里是暮秋小屋,思念和灵感的寄存处"> + + + <meta name="keywords" content="韩暮秋,MuqiuHan,'Muqiu Han', 'muqiu han', muqiuhan"> + + + + +<title>DDD 中的 Ubiquitous Language | 暮秋小屋</title> + + + + <link rel="icon" href="/favicon.ico"> + + + +<style> + @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;700&family=Roboto+Mono&display=swap'); +</style> + + + + <!-- stylesheets list from _config.yml --> + + <link rel="stylesheet" href="/css/style.css"> + + + + + + <!-- scripts list from _config.yml --> + + <script src="/js/frame.js"></script> + + + + + + <script src="https://polyfill.alicdn.com/polyfill.js?features=es6"></script> + <script id="MathJax-script" async src="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/mathjax/3.2.0/es5/tex-mml-chtml.js"></script> + + + + + + + + <meta name="generator" content="Hexo 6.3.0"></head> + <body> + <div class="mask-border"> + </div> + + <div class="wrapper"> + + <div class="header"> + <div class="flex-container"> + <div class="header-inner"> + <div class="site-brand-container"> + <a href="/"> + + 暮秋小屋 + + </a> + </div> + <div id="menu-btn" class="menu-btn" onclick="toggleMenu()"> + Menu + </div> + <nav class="site-nav"> + <ul class="menu-list"> + + + <li class="menu-item"> + <a href="/">主页</a> + </li> + + + + <li class="menu-item"> + <a href="/categories/gallery/">日记本</a> + </li> + + + + <li class="menu-item"> + <a href="/tags/Medicine/">医学</a> + </li> + + + + <li class="menu-item"> + <a href="/tags/Technique/">计算机科学</a> + </li> + + + + <li class="menu-item"> + <a href="/tags/Life/">生活</a> + </li> + + + + <li class="menu-item"> + <a href="/about">关于</a> + </li> + + + + <li class="menu-item search-btn"> + <a href="#">Search</a> + </li> + + </ul> + </nav> + </div> + </div> +</div> +<script src="/js/menu.js"></script> + + + <div class="main"> + <div class="flex-container"> + <article id="post"> + + + <div class="post-head"> + <div class="post-info"> + <div class="tag-list"> + + + <span class="post-tag"> + <a href="/tags/Technique/"> + Technique + </a> + </span> + + + </div> + <div class="post-title"> + + + DDD 中的 Ubiquitous Language + + + </div> + <span class="post-date"> + Mar 14, 2025 + </span> + </div> + <div class="post-img"> + + <div class="h-line-primary"></div> + + </div> +</div> + <div class="post-content"> + <p>Ubiquitous Language(通用语言)是 Domain-Driven Design (DDD) 中的一个核心概念。它是一种共享的、统一的语言,用于描述和讨论领域模型中的概念和规则。Ubiquitous Language 的目的是确保开发团队和业务专家之间的沟通更加高效和准确,从而减少误解和错误。</p> +<p>一般来说,Ubiquitous Language 有以下特点:</p> +<ol> +<li><strong>共享</strong>:Ubiquitous Language 是由开发团队和业务专家共同创建和使用的。它不仅用于代码和文档,还用于日常的沟通和讨论。</li> +<li><strong>统一</strong>:在整个项目中,Ubiquitous Language 应该是一致的。无论是在代码、文档、会议还是白板上,都应该使用相同的术语和概念。</li> +<li><strong>精确</strong>:Ubiquitous Language 应该尽可能精确,避免模糊和歧义。每个术语都应该有明确的定义和含义。</li> +<li><strong>演进</strong>:Ubiquitous Language 是动态的,会随着项目的进展和业务需求的变化而演进。团队应该定期审查和更新它。</li> +</ol> +<p>基于此,它可以用在这些地方:</p> +<ol> +<li><strong>命名</strong>:在代码中使用 Ubiquitous Language 来命名类、方法、变量等。例如,如果业务专家使用“订单”来描述一个概念,那么在代码中也应该使用“Order”而不是“Purchase”或“Transaction”。</li> +<li><strong>文档</strong>:在文档中使用 Ubiquitous Language 来描述系统的设计、架构和功能。这有助于业务专家更容易理解技术文档。</li> +<li><strong>沟通</strong>:在团队会议、讨论和白板会议中使用 Ubiquitous Language。这有助于确保所有参与者都在讨论同一个概念。</li> +<li><strong>测试</strong>:在编写测试用例时,使用 Ubiquitous Language 来描述测试的前提条件、步骤和预期结果。这有助于确保测试覆盖了业务需求。</li> +</ol> +<p>假设正在开发一个电子商务系统,业务专家使用“订单”来描述用户购买的商品集合。团队可以在代码中使用“Order”来命名相关的类和方法:</p> +<figure class="highlight fsharp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">type</span> <span class="title class_">Order</span> <span class="operator">=</span> {</span><br><span class="line"> items<span class="operator">:</span> OrderItem <span class="type">list</span></span><br><span class="line"> customer<span class="operator">:</span> Customer</span><br><span class="line"> orderDate<span class="operator">:</span> DateTime</span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"><span class="keyword">type</span> <span class="title class_">OrderItem</span> <span class="operator">=</span> {</span><br><span class="line"> product<span class="operator">:</span> Product</span><br><span class="line"> quantity<span class="operator">:</span> <span class="type">int</span></span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"><span class="keyword">type</span> <span class="title class_">Customer</span> <span class="operator">=</span> {</span><br><span class="line"> name<span class="operator">:</span> <span class="type">string</span></span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"><span class="keyword">type</span> <span class="title class_">Product</span> <span class="operator">=</span> {</span><br><span class="line"> name<span class="operator">:</span> <span class="type">string</span></span><br><span class="line"> price<span class="operator">:</span> <span class="type">float</span></span><br><span class="line">}</span><br><span class="line"></span><br><span class="line"><span class="keyword">let</span> addItem (order<span class="operator">:</span> Order) (item<span class="operator">:</span> OrderItem) <span class="operator">=</span></span><br><span class="line"> { order <span class="keyword">with</span> items <span class="operator">=</span> order.items <span class="operator">@</span> [item] }</span><br><span class="line"></span><br><span class="line"><span class="keyword">let</span> getTotalAmount (order<span class="operator">:</span> Order) <span class="operator">=</span></span><br><span class="line"> <span class="keyword">let</span> total <span class="operator">=</span> <span class="number">0.0</span></span><br><span class="line"> <span class="keyword">for</span> item <span class="keyword">in</span> order.items <span class="keyword">do</span></span><br><span class="line"> total <span class="operator"><-</span> total <span class="operator">+</span> item.price</span><br><span class="line"> total</span><br><span class="line"></span><br><span class="line"><span class="keyword">let</span> getPrice (item<span class="operator">:</span> OrderItem) <span class="operator">=</span></span><br><span class="line"> item.product.price <span class="operator">*</span> item.quantity</span><br><span class="line"></span><br><span class="line"><span class="keyword">let</span> getTotalPrice (order<span class="operator">:</span> Order) <span class="operator">=</span></span><br><span class="line"> <span class="keyword">let</span> total <span class="operator">=</span> <span class="number">0.0</span></span><br><span class="line"> <span class="keyword">for</span> item <span class="keyword">in</span> order.items <span class="keyword">do</span></span><br><span class="line"> total <span class="operator"><-</span> total <span class="operator">+</span> getPrice(item)</span><br><span class="line"> total</span><br></pre></td></tr></table></figure> + +<p>在这个示例中使用了“Order”、“OrderItem”、“Customer”和“Product”等术语,这些术语都是 Ubiquitous Language 的一部分,可以提高代码与业务需求的一致性。</p> + +</div> + +<script> + window.onload = detectors(); +</script> + <div class="post-footer"> + <div class="h-line-primary"></div> + <nav class="post-nav"> + <div class="prev-item"> + + <div class="icon arrow-left"></div> + <div class="post-link"> + <a href="/2025/03/17/%E4%BA%8C%E3%80%87%E4%BA%8C%E4%BA%94%E5%B9%B4%E4%B8%89%E6%9C%88%E5%8D%81%E4%B8%83%E6%97%A5/">Prev</a> + 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<div class="post-info"> + <div class="tag-list"> + + + <span class="post-tag"> + <a href="/tags/Technique/"> + Technique + </a> + </span> + + + </div> + <div class="post-title"> + + + TDD 和 DDD 的一些小想法 + + + </div> + <span class="post-date"> + Mar 20, 2025 + </span> + </div> + <div class="post-img"> + + <div class="h-line-primary"></div> + + </div> +</div> + <div class="post-content"> + <p>Test-Driven Development (TDD) 和 Domain-Driven Design (DDD) 是两种不同的软件开发方法论,各自有其独特的优缺点和应用场景。</p> +<h3 id="Test-Driven-Development-TDD"><a href="#Test-Driven-Development-TDD" class="headerlink" title="Test-Driven Development (TDD)"></a>Test-Driven Development (TDD)</h3><h4 id="优点:"><a href="#优点:" class="headerlink" title="优点:"></a>优点:</h4><ol> +<li><strong>提高代码质量</strong>:通过编写测试来驱动开发,可以确保代码的正确性和可靠性。</li> +<li><strong>减少缺陷</strong>:早期发现和修复缺陷,减少后期的调试和维护成本。</li> +<li><strong>促进可维护性</strong>:代码更加模块化和可测试,便于后续的维护和扩展。</li> +<li><strong>文档化</strong>:测试代码本身就是一种文档,描述了系统的行为和期望。</li> +<li><strong>提高开发速度</strong>:虽然初期可能会慢一些,但长期来看,由于减少了重构和调试的时间,开发速度会提高。</li> +</ol> +<h4 id="缺点:"><a href="#缺点:" class="headerlink" title="缺点:"></a>缺点:</h4><ol> +<li><strong>初期投入大</strong>:需要在开发前编写测试,初期投入的时间和精力较大。</li> +<li><strong>学习曲线陡峭</strong>:对新手开发者来说,学习和掌握TDD需要一定的时间。</li> +<li><strong>过度依赖测试</strong>:可能导致过度依赖单元测试,忽略了系统的整体性能和用户体验。</li> +</ol> +<h3 id="Domain-Driven-Design-DDD"><a href="#Domain-Driven-Design-DDD" class="headerlink" title="Domain-Driven Design (DDD)"></a>Domain-Driven Design (DDD)</h3><h4 id="优点:-1"><a href="#优点:-1" class="headerlink" title="优点:"></a>优点:</h4><ol> +<li><strong>聚焦领域</strong>:通过深入理解业务领域,确保软件系统与业务需求紧密结合。</li> +<li><strong>模型驱动</strong>:建立一个清晰的领域模型,帮助开发者和业务专家共同理解系统。</li> +<li><strong>可维护性</strong>:通过明确的领域模型和边界,系统结构更加清晰,便于维护和扩展。</li> +<li><strong>沟通桥梁</strong>:提供了一种通用的语言(Ubiquitous Language),促进开发团队和业务团队之间的沟通。</li> +</ol> +<h4 id="缺点:-1"><a href="#缺点:-1" class="headerlink" title="缺点:"></a>缺点:</h4><ol> +<li><strong>复杂性高</strong>:DDD方法论较为复杂,需要深入理解领域模型和设计模式。</li> +<li><strong>初期投入大</strong>:需要大量的时间和精力进行领域分析和建模。</li> +<li><strong>适用范围有限</strong>:对于简单的系统或小型项目,DDD可能显得过于复杂和冗余。</li> +</ol> +<hr> +<p>TDD 和 DDD 并不冲突,实际上它们可以互补。TDD 可以帮助确保代码的正确性和可靠性,而 DDD 可以确保系统与业务需求紧密结合。在进行 TDD 时,可以使用 DDD 的领域模型和 Ubiquitous Language 来编写测试用例,确保测试覆盖了业务需求。在进行 DDD 时,可以使用 TDD 来驱动实现,确保每个领域模型的实现。</p> + +</div> + +<script> + window.onload = detectors(); +</script> + <div class="post-footer"> + <div class="h-line-primary"></div> + <nav class="post-nav"> + <div class="prev-item"> + + </div> + <div class="next-item"> + + <div class="icon arrow-right"></div> + <div class="post-link"> + <a href="/2025/03/20/%E8%82%BA%E5%8A%9F%E8%83%BD%E6%A3%80%E6%9F%A5%E6%95%B0%E5%80%BC/">Next</a> + </div> + + </div> + </nav> +</div> + + + <div class="post-comment"> + + + + + + + +</div> + + +</article> + </div> + </div> + + <div class="footer"> + <div class="flex-container"> + <div class="footer-text"> + + + | + + + 希望路过的人可以添点柴火让这里暖和点 + + 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FEV1(第一秒用力呼气量)"></a>1. FEV1(第一秒用力呼气量)</h3><ul> +<li><strong>评估</strong>:FEV1用于评估气道的通畅程度。它反映了在用力呼气的第一秒内,患者能够排出的气体量。</li> +<li><strong>异常</strong>:FEV1降低通常提示气道阻塞,常见于慢性阻塞性肺病(COPD)、哮喘、支气管炎等疾病。</li> +</ul> +<h3 id="2-FVC(用力肺活量)"><a href="#2-FVC(用力肺活量)" class="headerlink" title="2. FVC(用力肺活量)"></a>2. FVC(用力肺活量)</h3><ul> +<li><strong>评估</strong>:FVC测量的是患者在一次用力呼气中能够排出的最大气体量,反映了肺的容量和扩张能力。</li> +<li><strong>异常</strong>:FVC降低可能指示限制性肺病,如肺纤维化、胸廓畸形或神经肌肉疾病等。</li> +</ul> +<h3 id="3-FEV1-FVC比值"><a href="#3-FEV1-FVC比值" class="headerlink" title="3. FEV1/FVC比值"></a>3. FEV1/FVC比值</h3><ul> +<li><strong>评估</strong>:FEV1/FVC比值用于区分阻塞性和限制性肺病。正常情况下,该比值应大于70%。</li> +<li><strong>异常</strong>:<ul> +<li>**低于70%**:提示气道阻塞,常见于COPD和哮喘。</li> +<li>**正常或高于70%**但FVC降低:可能提示限制性肺病。</li> +</ul> +</li> +</ul> +<h3 id="4-PEF(峰值呼气流量)"><a href="#4-PEF(峰值呼气流量)" class="headerlink" title="4. PEF(峰值呼气流量)"></a>4. PEF(峰值呼气流量)</h3><ul> +<li><strong>评估</strong>:PEF测量患者在用力呼气时达到的最大流速,常用于监测哮喘患者的病情变化。</li> +<li><strong>异常</strong>:PEF降低可能提示气道狭窄或阻塞,常见于哮喘急性发作或COPD加重。</li> +</ul> +<h3 id="5-MVV(最大通气量)"><a href="#5-MVV(最大通气量)" class="headerlink" title="5. MVV(最大通气量)"></a>5. MVV(最大通气量)</h3><ul> +<li><strong>评估</strong>:MVV测量在一定时间内(通常是12秒)能够进行的最大通气量,反映了肺部的通气能力和呼吸肌的力量。</li> +<li><strong>异常</strong>:MVV降低可能与呼吸肌无力、气道阻塞或肺部疾病(如COPD)相关。</li> +</ul> +<h3 id="6-TLC(总肺容量)"><a href="#6-TLC(总肺容量)" class="headerlink" title="6. TLC(总肺容量)"></a>6. TLC(总肺容量)</h3><ul> +<li><strong>评估</strong>:TLC测量肺部在最大吸气后所能容纳的气体总量,反映了肺的整体容量。</li> +<li><strong>异常</strong>:<ul> +<li><strong>增加</strong>:可能与阻塞性肺病(如COPD)相关,因肺部过度膨胀。</li> +<li><strong>降低</strong>:可能与限制性肺病(如肺纤维化、胸廓畸形)相关。</li> +</ul> +</li> +</ul> +<h3 id="7-RV(残气量)"><a href="#7-RV(残气量)" class="headerlink" title="7. RV(残气量)"></a>7. RV(残气量)</h3><ul> +<li><strong>评估</strong>:RV测量在最大呼气后,肺内仍然残留的气体量。</li> +<li><strong>异常</strong>:<ul> +<li><strong>增加</strong>:常见于阻塞性肺病,因气道阻塞导致气体无法完全排出。</li> +<li><strong>降低</strong>:可能与限制性肺病相关。</li> +</ul> +</li> +</ul> + +</div> + +<script> + window.onload = detectors(); +</script> + <div class="post-footer"> + <div class="h-line-primary"></div> + <nav class="post-nav"> + <div class="prev-item"> + + <div class="icon arrow-left"></div> + <div class="post-link"> + <a href="/2025/03/20/TDD-%E5%92%8C-DDD-%E7%9A%84%E4%B8%80%E4%BA%9B%E5%B0%8F%E6%83%B3%E6%B3%95/">Prev</a> + </div> + + </div> + <div class="next-item"> + + <div class="icon arrow-right"></div> + <div class="post-link"> + <a href="/2025/03/19/%E9%A2%86%E5%9F%9F%E9%A9%B1%E5%8A%A8%E8%AE%BE%E8%AE%A1%E4%B8%AD%E8%81%9A%E5%90%88%E6%A0%B9%E6%8C%81%E4%B9%85%E5%8C%96%E5%92%8C%E4%BA%8B%E4%BB%B6%E5%8F%91%E5%B8%83%E5%8F%AF%E8%83%BD%E5%AF%BC%E8%87%B4%E6%95%B0%E6%8D%AE%E4%B8%8D%E4%B8%80%E8%87%B4%E9%97%AE%E9%A2%98/">Next</a> + </div> + + </div> + </nav> +</div> + + + <div class="post-comment"> + + + + + + + +</div> + + +</article> + </div> + </div> + + <div class="footer"> + <div class="flex-container"> + <div class="footer-text"> + + + | + + + 希望路过的人可以添点柴火让这里暖和点 + + </div> + </div> +</div> + + </div> + + + <div class="search-popup"> + <div class="search-popup-overlay"> + </div> + <div class="search-popup-window" > + <div class="search-header"> + <div class="search-input-container"> + <input autocomplete="off" autocapitalize="off" maxlength="80" + placeholder="Search Anything" spellcheck="false" + type="search" class="search-input"> + </div> + <div class="search-close-btn"> + <div class="icon close-btn"></div> + </div> + </div> + <div class="search-result-container"> + </div> + </div> +</div> + +<script> + const searchConfig = { + path : "/search.xml", + top_n_per_article: "1", + unescape : "false", + trigger: "auto", + preload: "false" + } +</script> +<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/search.js"></script> +<script src="/js/search.js"></script> + + + + </body> +</html> |
