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<!DOCTYPE html><html lang="zh-CN"><head><meta charSet="UTF-8"/><meta content="text/html; charset=utf-8" http-equiv="Content-Type"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"/><meta name="apple-mobile-web-app-capable" content="yes"/><meta name="apple-mobile-web-app-status-bar-style" content="black"/><link rel="icon" type="image/png" sizes="32x32" href="../images/titleLogo.png"/><link rel="icon" type="image/png" sizes="16x16" href="../images/titleLogo.png"/><meta name="theme-color" content="#ffffff"/><meta http-equiv="Cache-Control" content="no-transform"/><meta http-equiv="Cache-Control" content="no-siteapp"/><title>文档</title><link rel="stylesheet" href="../ydoc/styles/style.css"/><meta name="author" content="司徒正美"/><meta name="keywords"/><meta name="description" content="使用Reac微信小程序"/><meta id="releativePath" content=".."/><link rel="stylesheet" href="../ydoc/ydoc-plugin-search/search.css"/><link rel="stylesheet" href="../style/index.css"/></head><body><div class="g-doc"><div class="m-aside"><div class="m-summary" id="js-menu"><div class="m-summary-content" id="js-menu-content"><div class="m-summary-block"><ul class="m-summary-list"><li class="item"><a href="intro.html#" class="href">介绍</a></li><li class="item"><a href="install.html" class="href">安装与使用cli各种命令</a></li><li class="item"><a href="update.html" class="href">升级</a></li><li class="item"><a href="app.html" class="href">全局对象</a></li><li class="item"><a href="lifetimes.html" class="href">页面组件与生命周期</a></li><li class="item"><a href="page2.html" class="href">页面的各个功能讲解</a></li><li class="item"><a href="component.html" class="href">页面上的子组件使用</a></li><li class="item"><a href="standard.html" class="href">小程序组件规范</a></li><li class="item"><a href="jsx.html" class="href">使用 JSX 的注意事项</a></li><li class="item"><a href="style.html" class="href">使用 CSS 的注意事项</a></li><li 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class="item"><a href="npm.html" class="href">npm支持</a></li><li class="item"><a href="wxplugin.html" class="href">微信插件支持</a></li><li class="item"><a href="iconfont.html" class="href">iconfont 支持</a></li><li class="item"><a href="async.html" class="href">async/await 支持</a></li><li class="item"><a href="lesssass.html" class="href">Sass、Less、PostCSS支持</a></li><li class="item"><a href="patchComponent.html" class="href">内置 UI 库</a></li><li class="item"><a href="units.html" class="href">rpx与px互转</a></li><li class="item"><a href="event.html" class="href">事件系统</a></li><li class="item"><a href="size.html" class="href">包大小限制</a></li><li class="item"><a href="subpackages.html" class="href">分包加载</a></li><li class="item"><a href="preload.html" class="href">分包预加载</a></li><li class="item"><a href="debug.html" class="href">真机调试</a></li><li class="item"><a href="bu.html" class="href">百度小程序环境判定</a></li><li class="item"><a href="tt.html" class="href">字节小程序相关</a></li><li class="item"><div class="m-summary-block"><a href="" class="href">快应用相关</a><ul class="m-summary-list indent"><li class="item"><a href="quicklist.html" class="href">快应用的scroll-view兼容</a></li><li class="item"><a href="quickstorage.html" class="href">快应用的同步Storage API兼容</a></li><li class="item"><a href="boxDifferent.html" class="href">快应用与小程序盒子模型的区别</a></li><li class="item"><a href="query.html" class="href">小米快应用获取页面参数</a></li><li class="item"><a href="huaweiQuery.html" class="href">华为快应用获取页面参数</a></li><li class="item"><a href="share.html" class="href">快应用与小程序转发分享</a></li><li class="item"><a href="onblur.html" class="href">快应用onblur</a></li><li class="item"><a href="scene.html" class="href">场景值的兼容</a></li><li class="item"><a href="card.html" class="href">卡片</a></li><li class="item"><a href="movable.html" class="href">movable-area与movable-view的模拟</a></li></ul></div></li><li class="item"><a href="diff.html" class="href">各种小程序的比较</a></li><li class="item"><a href="link.html" class="href">各种小程序的官网</a></li><li 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-104.688,-104.0616 -231.873,-231.248 z" fill="#fff"></path></g></svg><svg viewBox="0 0 926.23699 573.74994" version="1.1" x="0px" y="0px" width="15" height="15" class="top"><g id="Page-1" stroke="none" stroke-width="1" fill="none" fill-rule="evenodd"><g id="aaa" fill="#fff" fill-rule="nonzero"><path d="M231.2455,342.502 L0,111.25397 L55.6165,55.62697 C86.2056,25.03212 111.7971,-2.99999998e-05 112.4866,-2.99999998e-05 C113.176,-2.99999998e-05 192.3503,78.60859 288.4293,174.6858 L463.1185,349.3716 L637.8077,174.6858 C733.8867,78.60859 813.060896,-2.99999997e-05 813.750396,-2.99999997e-05 C814.439896,-2.99999997e-05 840.031396,25.03212 870.620496,55.62697 L926.236996,111.25397 L694.9915,342.502 C567.8065,469.6884 463.4636,573.75 463.1185,573.75 C462.7734,573.75 358.4305,469.6884 231.2455,342.502 Z" id="Shape" transform="translate(463.118498, 286.874985) scale(1, -1) translate(-463.118498, -286.874985) "></path></g></g></svg></div></div><div class="m-main" id="js-panel"><header class="m-header" id="js-header"><div class="m-header-title js-logo"><a href="../index.html" target="_self"><img class="logo" width="36" src="../images/logo@2x.png"/></a></div><div><div class="m-search">
<div class="icon"></div>
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</div></div><nav class="m-header-nav js-nav"><ul class="m-header-items"><li class="item active"><a class="href" href="intro.html">文档</a></li><li class="item "><a class="href" href="../apis/index.html">已兼容处理的API</a></li><li class="item "><a class="href" href="logo.html">谁在用nanachi</a></li><li class="item "><a class="href" href="about.html">关于</a></li></ul></nav><div id="js-nav-btn" class="m-header-btn ui-font-ydoc"></div></header><div class="m-content" id="js-content"><div id="markdown-body" class="m-content-container markdown-body"><h2 id="据平台设置tabbar">据平台设置tabBar</h2>
<p>tabBar是小程序、快应用下面可能出现的按钮列表，用于快速回到首页或某一重要页面。</p>
<p>默认是使用tabBar.list数组</p>
<pre><code class="language-javascript"><span class="token keyword">class</span> <span class="token class-name">Global</span> <span class="token keyword">extends</span> <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
<span class="token keyword">static</span> config <span class="token operator">=</span> <span class="token punctuation">{</span>
<span class="token literal-property property">window</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">backgroundTextStyle</span><span class="token operator">:</span> <span class="token string">'light'</span><span class="token punctuation">,</span>
<span class="token comment">// navigationBarBackgroundColor: '#0088a4',</span>
<span class="token literal-property property">navigationBarTitleText</span><span class="token operator">:</span> <span class="token string">'mpreact'</span><span class="token punctuation">,</span>
<span class="token literal-property property">navigationBarTextStyle</span><span class="token operator">:</span> <span class="token string">'#fff'</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token literal-property property">tabBar</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">color</span><span class="token operator">:</span> <span class="token string">'#929292'</span><span class="token punctuation">,</span>
<span class="token literal-property property">selectedColor</span><span class="token operator">:</span> <span class="token string">'#00bcd4'</span><span class="token punctuation">,</span>
<span class="token literal-property property">borderStyle</span><span class="token operator">:</span> <span class="token string">'black'</span><span class="token punctuation">,</span>
<span class="token literal-property property">backgroundColor</span><span class="token operator">:</span> <span class="token string">'#ffffff'</span><span class="token punctuation">,</span>
<span class="token literal-property property">list</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">/*略*/</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token function">render</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
<span class="token comment">//略</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">App</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Global</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<p>如果你想在快应用下，list的内容有点不一样，那么你可以添加一个quickList. 在转译阶段，会用quickList覆盖list, 并把quickList删掉。</p>
<p>同理，你可以添加wxList, buList, ttList进行不同的设置。</p>
<pre><code class="language-javascript"><span class="token keyword">class</span> <span class="token class-name">Global</span> <span class="token keyword">extends</span> <span class="token class-name">React<span class="token punctuation">.</span>Component</span> <span class="token punctuation">{</span>
<span class="token keyword">static</span> config <span class="token operator">=</span> <span class="token punctuation">{</span>
<span class="token literal-property property">window</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">backgroundTextStyle</span><span class="token operator">:</span> <span class="token string">'light'</span><span class="token punctuation">,</span>
<span class="token comment">// navigationBarBackgroundColor: '#0088a4',</span>
<span class="token literal-property property">navigationBarTitleText</span><span class="token operator">:</span> <span class="token string">'mpreact'</span><span class="token punctuation">,</span>
<span class="token literal-property property">navigationBarTextStyle</span><span class="token operator">:</span> <span class="token string">'#fff'</span>
<span class="token punctuation">}</span><span class="token punctuation">,</span>
<span class="token literal-property property">tabBar</span><span class="token operator">:</span> <span class="token punctuation">{</span>
<span class="token literal-property property">color</span><span class="token operator">:</span> <span class="token string">'#929292'</span><span class="token punctuation">,</span>
<span class="token literal-property property">selectedColor</span><span class="token operator">:</span> <span class="token string">'#00bcd4'</span><span class="token punctuation">,</span>
<span class="token literal-property property">borderStyle</span><span class="token operator">:</span> <span class="token string">'black'</span><span class="token punctuation">,</span>
<span class="token literal-property property">backgroundColor</span><span class="token operator">:</span> <span class="token string">'#ffffff'</span><span class="token punctuation">,</span>
<span class="token literal-property property">list</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">/*略*/</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token literal-property property">buList</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">/*略*/</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token literal-property property">quickList</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">/*略*/</span><span class="token punctuation">]</span><span class="token punctuation">,</span>
<span class="token literal-property property">aliList</span><span class="token operator">:</span> <span class="token punctuation">[</span> <span class="token comment">/*略*/</span><span class="token punctuation">]</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token function">render</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
<span class="token comment">//略</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token function">App</span><span class="token punctuation">(</span><span class="token keyword">new</span> <span class="token class-name">Global</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
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sessionStorage.setItem('prevPathname', sessionStorage.locationPathname);
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$menu.scrollTop = sessionStorage.prevPrevMenuScrollTop;
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