华为手表开发：WATCH 3 Pro（5）点击按钮弹窗

• 初
• 环境与设备
• • 创建项目
  • 认识目录结构
  • • 修改首页 -> 新建按钮 “ 按钮 ”
    • • 文件名：**index.hml**
    • 引用包：‘@system.prompt’
    • 点击结果

初

鸿蒙可穿戴开发

希望能写一些简单的教程和案例分享给需要的人

环境与设备

系统：window
设备：HUAWEI WATCH 3 Pro
开发工具：DevEco Studio 3.0.0.800

外包开发：xkk9866@yeah.net

创建项目

先打开 DevEco Studio 这个开发工具

认识目录结构

entry:项目文件夹
js：前端文件夹
pages:页面文件夹
index:首页文件夹

index.css:首页样式
index.hml:首页
index.js:首页脚本

如下图所示

修改首页 -> 新建按钮 “ 按钮 ”

文件名：index.hml

打开HTML文件“index.hml”，添加按钮，这里按钮用到是标签

标签属性：

type=“button”【规定 input 元素的类型】

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>div</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>container<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>text</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>title<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span>你好，欢迎光临<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>text</span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>input</span> <span class="token attr-name">else</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>btn<span class="token punctuation">"</span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>button<span class="token punctuation">"</span></span> <span class="token attr-name">value</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>按钮<span class="token punctuation">"</span></span> <span class="token special-attr"><span class="token attr-name">onclick</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span><span class="token value javascript language-javascript">onClickTest</span><span class="token punctuation">"</span></span></span><span class="token punctuation">&gt;</span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>input</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>div</span><span class="token punctuation">&gt;</span></span>
<div class="hljs-button {2}" data-title="复制"></div>

引用包：‘@system.prompt’

<span class="token keyword">import</span> prompt <span class="token keyword">from</span> <span class="token string">'@system.prompt'</span><span class="token punctuation">;</span><span class="token keyword">export</span> <span class="token keyword">default</span> <span class="token punctuation">{<!-- --></span><span class="token literal-property property">data</span><span class="token operator">:</span> <span class="token punctuation">{<!-- --></span><span class="token literal-property property">title</span><span class="token operator">:</span> <span class="token string">""</span><span class="token punctuation">}</span><span class="token punctuation">,</span><span class="token function">onInit</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{<!-- --></span><span class="token keyword">this</span><span class="token punctuation">.</span>title <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">$t</span><span class="token punctuation">(</span><span class="token string">'strings.world'</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token punctuation">}</span><span class="token punctuation">,</span><span class="token function">onClickTest</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{<!-- --></span>prompt<span class="token punctuation">.</span><span class="token function">showToast</span><span class="token punctuation">(</span><span class="token punctuation">{<!-- --></span><span class="token literal-property property">message</span><span class="token operator">:</span> <span class="token string">"点击按钮成功"</span><span class="token punctuation">,</span><span class="token literal-property property">duration</span><span class="token operator">:</span> <span class="token number">3000</span><span class="token punctuation">,</span><span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token punctuation">}</span>
<span class="token punctuation">}</span><div class="hljs-button {2}" data-title="复制"></div>

点击结果

点击“按钮”，弹框提示“点击按钮成功”

如下图所示