vue-h5-template/assets/guide_vue3_viewport.md.cf8ce157.js

import{_ as s,c as n,o as a,a as p}from"./app.2b769fcb.js";const i=JSON.parse('{"title":"viewport \u9002\u914D\u65B9\u6848","description":"","frontmatter":{},"headers":[{"level":2,"title":"PostCSS \u914D\u7F6E","slug":"postcss-\u914D\u7F6E"}],"relativePath":"guide/vue3/viewport.md","lastUpdated":1661153879000}'),l={name:"guide/vue3/viewport.md"},o=p(`<h1 id="viewport-\u9002\u914D\u65B9\u6848" tabindex="-1">viewport \u9002\u914D\u65B9\u6848 <a class="header-anchor" href="#viewport-\u9002\u914D\u65B9\u6848" aria-hidden="true">#</a></h1><p>\u4E0D\u7528\u62C5\u5FC3\uFF0C\u9879\u76EE\u5DF2\u7ECF\u914D\u7F6E\u597D\u4E86 <code>viewport</code> \u9002\u914D\uFF0C\u4E0B\u9762\u4EC5\u505A\u4ECB\u7ECD\uFF1A</p><ul><li><a href="https://github.com/cnjm/postcss-px-to-viewport" target="_blank" rel="noreferrer">cnjm-postcss-px-to-viewport</a> \u662F\u4E00\u6B3E <code>postcss</code> \u63D2\u4EF6\uFF0C\u7528\u4E8E\u5C06\u5355\u4F4D\u8F6C\u5316\u4E3A <code>vw</code>\uFF0C \u73B0\u5728\u5F88\u591A\u6D4F\u89C8\u5668\u5BF9<code>vw</code>\u7684\u652F\u6301\u90FD\u5F88\u597D\uFF0C\u9002\u914D\u9996\u9009\u65B9\u6848\u3002</li></ul><h2 id="postcss-\u914D\u7F6E" tabindex="-1">PostCSS \u914D\u7F6E <a class="header-anchor" href="#postcss-\u914D\u7F6E" aria-hidden="true">#</a></h2><p>\u4E0B\u9762\u63D0\u4F9B\u4E86\u4E00\u4EFD\u57FA\u672C\u7684 <code>postcss</code> \u914D\u7F6E\uFF0C\u53EF\u4EE5\u5728\u6B64\u914D\u7F6E\u7684\u57FA\u7840\u4E0A\u6839\u636E\u9879\u76EE\u9700\u6C42\u8FDB\u884C\u4FEE\u6539</p><div class="language-javascript"><button class="copy"></button><span class="lang">javascript</span><pre><code><span class="line"><span style="color:#676E95;">// https://github.com/michael-ciniawsky/postcss-load-config</span></span>
<span class="line"><span style="color:#89DDFF;">module.exports</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">=</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#F07178;">plugins</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;">    </span><span style="color:#F07178;">autoprefixer</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span><span style="color:#A6ACCD;"> </span><span style="color:#F07178;">overrideBrowserslist</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> [</span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">Android 4.1</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">iOS 7.1</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">Chrome &gt; 31</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">ff &gt; 31</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">ie &gt;= 8</span><span style="color:#89DDFF;">&#39;</span><span style="color:#A6ACCD;">] </span><span style="color:#89DDFF;">},</span></span>
<span class="line"><span style="color:#A6ACCD;">    </span><span style="color:#89DDFF;">&#39;</span><span style="color:#F07178;">cnjm-postcss-px-to-viewport</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">unitToConvert</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">px</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u8981\u8F6C\u5316\u7684\u5355\u4F4D</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">viewportWidth</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">750</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// UI\u8BBE\u8BA1\u7A3F\u7684\u5BBD\u5EA6</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">unitPrecision</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">6</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u8F6C\u6362\u540E\u7684\u7CBE\u5EA6\uFF0C\u5373\u5C0F\u6570\u70B9\u4F4D\u6570</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">propList</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> [</span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">*</span><span style="color:#89DDFF;">&#39;</span><span style="color:#A6ACCD;">]</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u6307\u5B9A\u8F6C\u6362\u7684css\u5C5E\u6027\u7684\u5355\u4F4D\uFF0C*\u4EE3\u8868\u5168\u90E8css\u5C5E\u6027\u7684\u5355\u4F4D\u90FD\u8FDB\u884C\u8F6C\u6362</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">viewportUnit</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">vw</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u6307\u5B9A\u9700\u8981\u8F6C\u6362\u6210\u7684\u89C6\u7A97\u5355\u4F4D\uFF0C\u9ED8\u8BA4vw</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">fontViewportUnit</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">&#39;</span><span style="color:#C3E88D;">vw</span><span style="color:#89DDFF;">&#39;</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u6307\u5B9A\u5B57\u4F53\u9700\u8981\u8F6C\u6362\u6210\u7684\u89C6\u7A97\u5355\u4F4D\uFF0C\u9ED8\u8BA4vw</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">minPixelValue</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">1</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u9ED8\u8BA4\u503C1\uFF0C\u5C0F\u4E8E\u6216\u7B49\u4E8E1px\u5219\u4E0D\u8FDB\u884C\u8F6C\u6362</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">mediaQuery</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#FF9CAC;">true</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u662F\u5426\u5728\u5A92\u4F53\u67E5\u8BE2\u7684css\u4EE3\u7801\u4E2D\u4E5F\u8FDB\u884C\u8F6C\u6362\uFF0C\u9ED8\u8BA4false</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">replace</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#FF9CAC;">true</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u662F\u5426\u8F6C\u6362\u540E\u76F4\u63A5\u66F4\u6362\u5C5E\u6027\u503C</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">include</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> []</span><span style="color:#89DDFF;">,</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#F07178;">exclude</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> []</span><span style="color:#89DDFF;">,</span><span style="color:#A6ACCD;"> </span><span style="color:#676E95;">// \u8BBE\u7F6E\u5FFD\u7565\u6587\u4EF6\uFF0C\u7528\u6B63\u5219\u505A\u76EE\u5F55\u540D\u5339\u914D</span></span>
<span class="line"><span style="color:#A6ACCD;">      </span><span style="color:#82AAFF;">customFun</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">({</span><span style="color:#A6ACCD;"> </span><span style="color:#A6ACCD;">file</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">})</span><span style="color:#A6ACCD;"> </span><span style="color:#C792EA;">=&gt;</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#89DDFF;">        </span><span style="color:#676E95;">// \u8FD9\u4E2A\u81EA\u5B9A\u4E49\u7684\u65B9\u6CD5\u662F\u9488\u5BF9\u5904\u7406vant\u7EC4\u4EF6\u4E0B\u7684\u8BBE\u8BA1\u7A3F\u4E3A375\u95EE\u9898</span></span>
<span class="line"><span style="color:#F07178;">        </span><span style="color:#C792EA;">const</span><span style="color:#F07178;"> </span><span style="color:#A6ACCD;">designWidth</span><span style="color:#F07178;"> </span><span style="color:#89DDFF;">=</span><span style="color:#F07178;"> </span><span style="color:#82AAFF;">judgeComponent</span><span style="color:#F07178;">(</span><span style="color:#A6ACCD;">file</span><span style="color:#F07178;">) </span><span style="color:#89DDFF;">?</span><span style="color:#F07178;"> </span><span style="color:#F78C6C;">375</span><span style="color:#F07178;"> </span><span style="color:#89DDFF;">:</span><span style="color:#F07178;"> </span><span style="color:#F78C6C;">750</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#F07178;">        </span><span style="color:#89DDFF;">return</span><span style="color:#F07178;"> </span><span style="color:#A6ACCD;">designWidth</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#F07178;">      </span><span style="color:#89DDFF;">},</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#89DDFF;">},</span></span>
<span class="line"><span style="color:#89DDFF;">}</span><span style="color:#A6ACCD;">;</span></span>
<span class="line"></span></code></pre></div><p><strong>\u65B0\u624B\u5FC5\u770B\uFF0C\u8001\u9E1F\u8DF3\u8FC7</strong></p><p>\u5F88\u591A\u5C0F\u4F19\u4F34\u4F1A\u95EE\u6211\uFF0C\u9002\u914D\u7684\u95EE\u9898, \u56E0\u4E3A\u6211\u4EEC\u4F7F\u7528\u7684\u662F Vant UI\uFF0C\u6240\u4EE5\u5FC5\u987B\u6839\u636E Vant UI 375 \u7684\u8BBE\u8BA1\u89C4\u8303\u8D70\uFF0C\u4E00\u822C\u6211\u4EEC\u7684\u8BBE\u8BA1\u4F1A\u5C06 UI \u56FE\u4E0A\u4F20\u5230\u84DD\u6E56\uFF0C\u6211\u4EEC\u5C31\u53EF\u4EE5\u9700\u8981\u7684\u5C3A\u5BF8\u4E86\u3002\u4E0B\u9762\u5C31\u5927\u641E\u666E\u53CA\u4E00\u4E0B rem\u3002</p><p>\u6211\u4EEC\u77E5\u9053 <code>1rem</code> \u7B49\u4E8E <code>html</code> \u6839\u5143\u7D20\u8BBE\u5B9A\u7684 <code>font-size</code> \u7684 <code>px</code> \u503C\u3002Vant UI \u8BBE\u7F6E <code>rootValue: 37.5</code> , \u4F60\u53EF\u4EE5\u770B\u5230\u5728 iPhone 6 \u4E0B\u770B\u5230 \uFF08 <code>1rem \u7B49\u4E8E 37.5px</code> \uFF09\uFF1A</p><div class="language-html"><button class="copy"></button><span class="lang">html</span><pre><code><span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">html</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">data-dpr</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">1</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">style</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">font-size: 37.5px;</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;">&gt;&lt;/</span><span style="color:#F07178;">html</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"></span></code></pre></div><p>\u5207\u6362\u4E0D\u540C\u7684\u673A\u578B\uFF0C\u6839\u5143\u7D20\u53EF\u80FD\u4F1A\u6709\u4E0D\u540C\u7684 <code>font-size</code> \u3002\u5F53\u4F60\u5199 css px \u6837\u5F0F\u65F6\uFF0C\u4F1A\u88AB\u7A0B\u5E8F\u6362\u7B97\u6210 <code>rem</code> \u8FBE\u5230\u9002\u914D\u3002</p><p>\u56E0\u4E3A\u6211\u4EEC\u7528\u4E86 Vant \u7684\u7EC4\u4EF6\uFF0C\u9700\u8981\u6309\u7167 <code>rootValue: 37.5</code> \u6765\u5199\u6837\u5F0F\u3002</p><p>\u4E3E\u4E2A\u4F8B\u5B50\uFF1A\u8BBE\u8BA1\u7ED9\u4E86\u4F60\u4E00\u5F20 750px * 1334px \u56FE\u7247\uFF0C\u5728 iPhone6 \u4E0A\u94FA\u6EE1\u5C4F\u5E55, \u5176\u4ED6\u673A\u578B\u9002\u914D\u3002</p><ul><li>\u5F53<code>rootValue: 75</code> , \u6837\u5F0F <code>width: 750px;height: 1334px;</code> \u56FE\u7247\u4F1A\u6491\u6EE1 iPhone6 \u5C4F\u5E55\uFF0C\u8FD9\u4E2A\u65F6\u5019\u5207\u6362\u5176\u4ED6\u673A\u578B\uFF0C\u56FE\u7247\u4E5F\u4F1A\u8DDF\u7740\u6491\u6EE1\u3002</li><li>\u5F53<code>rootValue: 37.5</code> \u7684\u65F6\u5019\uFF0C\u6837\u5F0F <code>width: 375px;height: 667px;</code> \u56FE\u7247\u4F1A\u6491\u6EE1 iPhone6 \u5C4F\u5E55\u3002</li></ul><p>\u4E5F\u5C31\u662F iphone 6 \u4E0B 375px \u5BBD\u5EA6\u5199 CSS\u3002\u5176\u4ED6\u7684\u4F60\u5C31\u53EF\u4EE5\u6839\u636E\u4F60\u8BBE\u8BA1\u56FE\uFF0C\u53BB\u5199\u5BF9\u5E94\u7684\u6837\u5F0F\u5C31\u53EF\u4EE5\u4E86\u3002</p><p>\u5F53\u7136\uFF0C\u60F3\u8981\u6491\u6EE1\u5C4F\u5E55\u4F60\u53EF\u4EE5\u4F7F\u7528 100%\uFF0C\u8FD9\u91CC\u53EA\u662F\u4E3E\u4F8B\u8BF4\u660E\u3002</p><div class="language-html"><button class="copy"></button><span class="lang">html</span><pre><code><span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">img</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">class</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">image</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;"> </span><span style="color:#C792EA;">src</span><span style="color:#89DDFF;">=</span><span style="color:#89DDFF;">&quot;</span><span style="color:#C3E88D;">https://www.sunniejs.cn/static/weapp/logo.png</span><span style="color:#89DDFF;">&quot;</span><span style="color:#89DDFF;"> /&gt;</span></span>
<span class="line"></span>
<span class="line"><span style="color:#89DDFF;">&lt;</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#676E95;">/* rootValue: 75 */</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#89DDFF;">.</span><span style="color:#FFCB6B;">image</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;">    </span><span style="color:#B2CCD6;">width</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">750px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;">    </span><span style="color:#B2CCD6;">height</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">1334px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#89DDFF;">}</span></span>
<span class="line"></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#676E95;">/* rootValue: 37.5 */</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#89DDFF;">.</span><span style="color:#FFCB6B;">image</span><span style="color:#A6ACCD;"> </span><span style="color:#89DDFF;">{</span></span>
<span class="line"><span style="color:#A6ACCD;">    </span><span style="color:#B2CCD6;">width</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">375px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;">    </span><span style="color:#B2CCD6;">height</span><span style="color:#89DDFF;">:</span><span style="color:#A6ACCD;"> </span><span style="color:#F78C6C;">667px</span><span style="color:#89DDFF;">;</span></span>
<span class="line"><span style="color:#A6ACCD;">  </span><span style="color:#89DDFF;">}</span></span>
<span class="line"><span style="color:#89DDFF;">&lt;/</span><span style="color:#F07178;">style</span><span style="color:#89DDFF;">&gt;</span></span>
<span class="line"></span></code></pre></div>`,17),e=[o];function t(c,r,D,y,F,C){return a(),n("div",null,e)}const d=s(l,[["render",t]]);export{i as __pageData,d as default};