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Applet-WXML.html
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<!DOCTYPE html>
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<title>小程序 模板语法 - 我叫史迪奇</title>
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transition: none !important;
}
/* BG */
#bg {
-moz-transition: opacity 2s ease-in-out;
-webkit-transition: opacity 2s ease-in-out;
-ms-transition: opacity 2s ease-in-out;
transition: opacity 2s ease-in-out;
height: 100%;
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opacity: 0.2;
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height: 100%;
left: 0;
opacity: 0;
position: absolute;
top: 0;
visibility: hidden;
width: 150%;
}
#bg div.visible {
-moz-animation: bg 45s linear infinite;
-webkit-animation: bg 45s linear infinite;
-ms-animation: bg 45s linear infinite;
animation: bg 45s linear infinite;
opacity: 1;
visibility: visible;
z-index: 1;
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#bg div.visible.top {
z-index: 2;
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@media screen and (max-width: 1280px) {
#bg div.visible {
-moz-animation: bg 29.25s linear infinite;
-webkit-animation: bg 29.25s linear infinite;
-ms-animation: bg 29.25s linear infinite;
animation: bg 29.25s linear infinite;
}
}
@media screen and (max-width: 736px) {
#bg div.visible {
-moz-animation: bg 18s linear infinite;
-webkit-animation: bg 18s linear infinite;
-ms-animation: bg 18s linear infinite;
animation: bg 18s linear infinite;
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}
#bg div:only-child {
-moz-animation-direction: alternate !important;
-webkit-animation-direction: alternate !important;
-ms-animation-direction: alternate !important;
animation-direction: alternate !important;
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body.is-preload #bg {
opacity: 0;
}
@-moz-keyframes bg {
0% {
-moz-transform: translateX(0);
-webkit-transform: translateX(0);
-ms-transform: translateX(0);
transform: translateX(0);
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100% {
-moz-transform: translateX(-25%);
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transform: translateX(-25%);
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@-webkit-keyframes bg {
0% {
-moz-transform: translateX(0);
-webkit-transform: translateX(0);
-ms-transform: translateX(0);
transform: translateX(0);
}
100% {
-moz-transform: translateX(-25%);
-webkit-transform: translateX(-25%);
-ms-transform: translateX(-25%);
transform: translateX(-25%);
}
}
@-ms-keyframes bg {
0% {
-moz-transform: translateX(0);
-webkit-transform: translateX(0);
-ms-transform: translateX(0);
transform: translateX(0);
}
100% {
-moz-transform: translateX(-25%);
-webkit-transform: translateX(-25%);
-ms-transform: translateX(-25%);
transform: translateX(-25%);
}
}
@keyframes bg {
0% {
-moz-transform: translateX(0);
-webkit-transform: translateX(0);
-ms-transform: translateX(0);
transform: translateX(0);
}
100% {
-moz-transform: translateX(-25%);
-webkit-transform: translateX(-25%);
-ms-transform: translateX(-25%);
transform: translateX(-25%);
}
}
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<h1>小程序 模板语法</h1>
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<div id="post" class="sdq-post-Statistics">
<a>2021年10月01日</a>
<a class="post-count">99 字</a>
<a class=" -link" href="/categories/%E5%B0%8F%E7%A8%8B%E5%BA%8F%E5%BC%80%E5%8F%91/">小程序开发</a>
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<ol class="toc"><li class="toc-item toc-level-1"><a class="toc-link" href="#%E6%95%B0%E6%8D%AE%E7%BB%91%E5%AE%9A"><span class="toc-text">数据绑定</span></a><ol class="toc-child"><li class="toc-item toc-level-2"><a class="toc-link" href="#%E6%99%AE%E9%80%9A%E5%86%99%E6%B3%95"><span class="toc-text">普通写法</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E8%BF%90%E7%AE%97"><span class="toc-text">运算</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%88%97%E8%A1%A8%E5%BE%AA%E7%8E%AF"><span class="toc-text">列表循环</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%AF%B9%E8%B1%A1%E5%BE%AA%E7%8E%AF"><span class="toc-text">对象循环</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%BB%84%E4%BB%B6%E5%B1%9E%E6%80%A7"><span class="toc-text">组件属性</span></a></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E7%BB%84%E4%BB%B6%E5%B1%9E%E6%80%A7-1"><span class="toc-text">组件属性</span></a></li></ol></li></ol>
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<p><strong>小程序学习笔记</strong></p>
<a id="more"></a>
<h1 id="数据绑定"><a href="#数据绑定" class="headerlink" title="数据绑定"></a>数据绑定</h1><h2 id="普通写法"><a href="#普通写法" class="headerlink" title="普通写法"></a>普通写法</h2><p><strong>wxml代码</strong></p>
<figure class="highlight html"><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></pre></td><td class="code"><pre><code class="hljs HTML"><span class="hljs-comment"><!-- text 相当于 span标签 行内元素 不会换行 --></span><br><span class="hljs-comment"><!-- view 相当于 div标签 块级元素 会换行 --></span><br><span class="hljs-comment"><!-- checkbox 相当于 复选框标签 --></span><br><br><span class="hljs-comment"><!-- 字符串类型 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{string}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 数字number类型 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{number}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 布尔Boolean类型 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{Boolean}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 对象objeact类型 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{customise.Sname}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{customise.Snumber}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{customise.Sdeterrence}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 在标签的属性中使用 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span> <span class="hljs-attr">data-num</span>=<span class="hljs-string">"{{number}}"</span>></span> 自定义属性 <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 使用布尔类型充当属性 checked --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> <br> <span class="hljs-tag"><<span class="hljs-name">checkbox</span> <span class="hljs-attr">checked</span>=<span class="hljs-string">"{{Schecked}}"</span>></span><span class="hljs-tag"></<span class="hljs-name">checkbox</span>></span><br><span class="hljs-tag"></<span class="hljs-name">view</span>></span><br></code></pre></td></tr></table></figure>
<p><strong>js代码</strong></p>
<figure class="highlight javascript"><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></pre></td><td class="code"><pre><code class="hljs JavaScript"><span class="hljs-title class_">Page</span>({<br> <span class="hljs-attr">data</span>:{<br> <span class="hljs-attr">string</span>: <span class="hljs-string">"我叫史迪奇"</span>,<br> <span class="hljs-attr">number</span>: <span class="hljs-number">333</span>,<br> <span class="hljs-title class_">Boolean</span>: <span class="hljs-literal">false</span>,<br><br> <span class="hljs-attr">customise</span>: {<br> <span class="hljs-title class_">Sname</span>: <span class="hljs-string">"史迪奇"</span>,<br> <span class="hljs-title class_">Snumber</span>: <span class="hljs-number">626</span>,<br> <span class="hljs-title class_">Sdeterrence</span>: <span class="hljs-literal">true</span><br> },<br> <span class="hljs-title class_">Schecked</span>: <span class="hljs-literal">false</span><br> }<br>})<br></code></pre></td></tr></table></figure>
<h2 id="运算"><a href="#运算" class="headerlink" title="运算"></a>运算</h2><p><strong>表达式</strong></p>
<figure class="highlight html"><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></pre></td><td class="code"><pre><code class="hljs HTML"><span class="hljs-comment"><!-- 数字运算 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{3-2}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 字符串拼接 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{"s"+"d"+"q"}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br><br><span class="hljs-comment"><!-- 逻辑运算 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span>></span> {{11%2===0 ? '偶数' : "奇数"}} <span class="hljs-tag"></<span class="hljs-name">view</span>></span><br></code></pre></td></tr></table></figure>
<h2 id="列表循环"><a href="#列表循环" class="headerlink" title="列表循环"></a>列表循环</h2><p><strong>wxml代码</strong></p>
<figure class="highlight html"><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></pre></td><td class="code"><pre><code class="hljs HTML"><span class="hljs-comment"><!-- wx.for="{{数组或者对象}}" --></span><br><span class="hljs-comment"><!-- wx.for-item="循环项的名称" --></span><br><span class="hljs-comment"><!-- wx.for-index="循环项的索引" --></span><br><span class="hljs-comment"><!-- wx.key="唯一的值" 用来提高列表渲染性能 --></span><br> <span class="hljs-comment"><!-- wx.kry 绑定普通字符串时 该字符串名称是循环数组中的的对象唯一属性 --></span><br> <span class="hljs-comment"><!-- wx:key = "*this" 表示该数组为普通数组 *this表示循环项 --></span><br><br><span class="hljs-comment"><!-- wx.for-item="item" wx:for-index="index" 数组嵌套循环 注意: 绑定名称不能崇名 --></span><br><span class="hljs-tag"><<span class="hljs-name">view</span> <span class="hljs-attr">wx:for</span>=<span class="hljs-string">"{{list}}"</span> </span><br>wx.for-item="item" <br>wx:for-index="index"<br>wx:key="id" > <br> 索引:{{index}}<br> 值:{{item.name}}<br><span class="hljs-tag"></<span class="hljs-name">view</span>></span><br></code></pre></td></tr></table></figure>
<p><strong>js代码</strong></p>
<figure class="highlight javascript"><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></pre></td><td class="code"><pre><code class="hljs JavaScript"><span class="hljs-title class_">Page</span>({<br> <span class="hljs-attr">data</span>:{<br> <span class="hljs-attr">string</span>: <span class="hljs-string">"我叫史迪奇"</span>,<br> <span class="hljs-attr">number</span>: <span class="hljs-number">333</span>,<br> <span class="hljs-title class_">Boolean</span>: <span class="hljs-literal">false</span>,<br><br> <span class="hljs-attr">customise</span>: {<br> <span class="hljs-title class_">Sname</span>: <span class="hljs-string">"史迪奇"</span>,<br> <span class="hljs-title class_">Snumber</span>: <span class="hljs-number">626</span>,<br> <span class="hljs-title class_">Sdeterrence</span>: <span class="hljs-literal">true</span><br> },<br> <span class="hljs-title class_">Schecked</span>: <span class="hljs-literal">false</span>,<br> <span class="hljs-attr">list</span>:[<br> {<br> <span class="hljs-attr">id</span>:<span class="hljs-number">6</span>,<br> <span class="hljs-attr">name</span>:<span class="hljs-string">"鲁本"</span><br> },<br> {<br> <span class="hljs-attr">id</span>:<span class="hljs-number">2</span>,<br> <span class="hljs-attr">name</span>:<span class="hljs-string">"625实验品"</span><br> },<br> {<br> <span class="hljs-attr">id</span>:<span class="hljs-number">5</span>,<br> <span class="hljs-attr">name</span>:<span class="hljs-string">"Reuben"</span><br> }<br> ]<br> }<br>})<br></code></pre></td></tr></table></figure>
<h2 id="对象循环"><a href="#对象循环" class="headerlink" title="对象循环"></a>对象循环</h2><p><strong>wxml代码</strong></p>
<figure class="highlight html"><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></pre></td><td class="code"><pre><code class="hljs HTML"><span class="hljs-comment"><!-- wx.for="{{对象}}" wx.for-item="对象的值(key)" wx:for-index="对象的属性(value)" --></span><br><br><span class="hljs-tag"><<span class="hljs-name">view</span> <span class="hljs-attr">wx:for</span>=<span class="hljs-string">"{{customise}}"</span> </span><br>wx.for-item="value" <br>wx:for-index="kry"<br>wx:key="Snumber" > <br> 索引:{{key}}<br> 值:{{value}}<br><span class="hljs-tag"></<span class="hljs-name">view</span>></span><br></code></pre></td></tr></table></figure>
<p><strong>js代码</strong></p>
<figure class="highlight javascript"><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></pre></td><td class="code"><pre><code class="hljs JavaScript"><span class="hljs-title class_">Page</span>({<br> <span class="hljs-attr">data</span>:{<br> <span class="hljs-attr">string</span>: <span class="hljs-string">"我叫史迪奇"</span>,<br> <span class="hljs-attr">number</span>: <span class="hljs-number">333</span>,<br> <span class="hljs-title class_">Boolean</span>: <span class="hljs-literal">false</span>,<br><br> <span class="hljs-attr">customise</span>: {<br> <span class="hljs-title class_">Sname</span>: <span class="hljs-string">"史迪奇"</span>,<br> <span class="hljs-title class_">Snumber</span>: <span class="hljs-number">626</span>,<br> <span class="hljs-title class_">Sdeterrence</span>: <span class="hljs-literal">true</span><br> },<br> <span class="hljs-title class_">Schecked</span>: <span class="hljs-literal">false</span>,<br> ]<br> }<br>})<br></code></pre></td></tr></table></figure>
<p><strong>语句</strong></p>
<h2 id="组件属性"><a href="#组件属性" class="headerlink" title="组件属性"></a>组件属性</h2><p><strong>用处: 定义小程序所有页面的顶部背景颜色, 文字颜色等等</strong></p>
<figure class="highlight json"><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></pre></td><td class="code"><pre><code class="hljs JSON"><span class="hljs-comment">// 该字段用来表明子页面的</span><br><span class="hljs-punctuation">{</span><br> <span class="hljs-comment">// 页面</span><br> <span class="hljs-attr">"window"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span><br> <span class="hljs-comment">// 下拉 loading 的样式</span><br> <span class="hljs-attr">"backgroundTextStyle"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"light"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 导航栏背景颜色</span><br> <span class="hljs-attr">"navigationBarBackgroundColor"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#000000"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 导航栏标题文字内容</span><br> <span class="hljs-attr">"navigationBarTitleText"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"史迪奇的博客"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 导航栏标题颜色</span><br> <span class="hljs-attr">"navigationBarTextStyle"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"white"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 下拉刷新</span><br> <span class="hljs-attr">"enablePullDownRefresh"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><br> <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span><br> <span class="hljs-attr">"sitemaplocation"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"sitemap.json"</span><br><span class="hljs-punctuation">}</span><br></code></pre></td></tr></table></figure>
<h2 id="组件属性-1"><a href="#组件属性-1" class="headerlink" title="组件属性"></a>组件属性</h2><p><strong>用处: 定义小程序所有页面的顶部背景颜色, 文字颜色等等</strong></p>
<figure class="highlight json"><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></pre></td><td class="code"><pre><code class="hljs JSON"><span class="hljs-comment">// 该字段用来表明子页面的</span><br><span class="hljs-punctuation">{</span><br> <span class="hljs-comment">// 页面</span><br> <span class="hljs-attr">"window"</span><span class="hljs-punctuation">:</span> <span class="hljs-punctuation">{</span><br> <span class="hljs-comment">// 下拉 loading 的样式</span><br> <span class="hljs-attr">"backgroundTextStyle"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"light"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 导航栏背景颜色</span><br> <span class="hljs-attr">"navigationBarBackgroundColor"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"#000000"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 导航栏标题文字内容</span><br> <span class="hljs-attr">"navigationBarTitleText"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"史迪奇的博客"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 导航栏标题颜色</span><br> <span class="hljs-attr">"navigationBarTextStyle"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"white"</span><span class="hljs-punctuation">,</span><br> <span class="hljs-comment">// 下拉刷新</span><br> <span class="hljs-attr">"enablePullDownRefresh"</span><span class="hljs-punctuation">:</span> <span class="hljs-keyword">true</span><br> <span class="hljs-punctuation">}</span><span class="hljs-punctuation">,</span><br> <span class="hljs-attr">"sitemaplocation"</span><span class="hljs-punctuation">:</span> <span class="hljs-string">"sitemap.json"</span><br><span class="hljs-punctuation">}</span><br></code></pre></td></tr></table></figure>
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