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102 lines
3.6 KiB
Markdown
102 lines
3.6 KiB
Markdown
## Button 按钮
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### 使用指南
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在 json 文件中配置button组件
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```json
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"usingComponents": {
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"van-button": "path/to/vant-weapp/dist/button/index"
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}
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```
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### 代码演示
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#### 按钮类型
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支持`default`、`primary`、`warning`、`danger`四种类型,默认为`default`
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```html
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<van-button type="default">默认按钮</van-button>
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<van-button type="primary">主要按钮</van-button>
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<van-button type="warning">警告按钮</van-button>
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<van-button type="danger">危险按钮</van-button>
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```
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#### 朴素按钮
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```html
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<van-button type="default" plain>默认按钮</van-button>
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<van-button type="primary" plain>主要按钮</van-button>
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<van-button type="warning" plain>警告按钮</van-button>
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<van-button type="danger" plain>危险按钮</van-button>
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```
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#### 按钮尺寸
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支持`large`、`normal`、`small`、`mini`四种尺寸,默认为`normal`
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```html
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<van-button size="large">大号按钮</van-button>
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<van-button size="normal">普通按钮</van-button>
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<van-button size="small">小型按钮</van-button>
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<van-button size="mini">迷你按钮</van-button>
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```
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#### 禁用状态
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通过`disabled`属性来禁用按钮,此时按钮不可点击
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```html
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<van-button disabled>禁用状态</van-button>
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```
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#### 加载状态
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```html
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<van-button loading />
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<van-button loading type="primary" />
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```
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### API
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| 参数 | 说明 | 类型 | 默认值 |
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|-----------|-----------|-----------|-------------|
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| type | 按钮类型,可选值为 `primary` `warning` `danger` | `String` | `default` |
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| size | 按钮尺寸,可选值为 `normal` `large` `small` `mini` | `String` | `normal` |
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| plain | 是否为朴素按钮 | `Boolean` | `false` |
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| disabled | 是否禁用 | `Boolean` | `false` |
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| loading | 是否显示为加载状态 | `Boolean` | `false` |
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| block | 是否为块级元素 | `Boolean` | `false` |
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| square | 是否为方形按钮 | `Boolean` | `false` |
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| open-type | 微信开放能力,具体支持可参考 [微信官方文档](https://mp.weixin.qq.com/debug/wxadoc/dev/component/button.html) | `String` | - |
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| app-parameter | 打开 APP 时,向 APP 传递的参数 | `String` | - |
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| hover-start-time | 按住后多久出现点击态,单位毫秒 | `Number` | 20 |
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| hover-stay-time | 手指松开后点击态保留时间,单位毫秒 | `Number` | 70 |
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| lang | 指定返回用户信息的语言,zh_CN 简体中文,<br>zh_TW 繁体中文,en 英文 | `String` | `en` |
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| session-from | 会话来源 | `String` | - |
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| send-message-title | 会话内消息卡片标题 | `String` | 当前标题 |
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| send-message-path | 会话内消息卡片点击跳转小程序路径 | `String` | 当前分享路径 |
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| send-message-img | sendMessageImg | `String` | 截图 |
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| show-message-card | 显示会话内消息卡片 | `String` | `false` |
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### Event
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| 事件名 | 说明 | 参数 |
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|-----------|-----------|-----------|
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| bind:click | 点击按钮且按钮状态不为加载或禁用时触发 | - |
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| bind:getuserinfo | 用户点击该按钮时,会返回获取到的用户信息,<br>从返回参数的 detail 中获取到的值同 wx.getUserInfo | - |
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| bind:contact | 客服消息回调 | - |
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| bind:getphonenumber | 获取用户手机号回调 | - |
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| bind:error | 当使用开放能力时,发生错误的回调 | - |
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### 外部样式类
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| 类名 | 说明 |
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|-----------|-----------|
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| custom-class | 根节点样式类 |
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| loading-class | 加载图标样式类 |
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### 更新日志
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| 版本 | 类型 | 内容 |
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|-----------|-----------|-----------|
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| 0.0.1 | feature | 新增组件 |
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| 0.1.1 | feature | 新增 square 属性 |
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| 0.3.0 | bugfix | 修复在加载状态下仍然显示文字的问题 |
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