73 lines
2.2 KiB
Markdown
73 lines
2.2 KiB
Markdown
---
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title: Stepper 步进器
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description: 用于数量的增减。
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spline: form
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isComponent: true
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---
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<span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20lines-90%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20functions-82%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20statements-90%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20branches-94%25-blue" /></span>
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## 引入
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全局引入，在 miniprogram 根目录下的`app.json`中配置，局部引入，在需要引入的页面或组件的`index.json`中配置。
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```json
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"usingComponents": {
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"t-stepper": "tdesign-miniprogram/stepper/stepper"
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}
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```
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## 代码演示
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<img src="https://tdesign.gtimg.com/miniprogram/readme/stepper.png" width="375px" height="50%">
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### 基本步进器
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{{ base }}
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### 带单位的步进器
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{{ step }}
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### 纯步进器
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{{ input-width }}
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### 步进器状态
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#### 禁用
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{{ status }}
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#### 最小值/最大值
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{{ min-max }}
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#### 其他
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{{ other }}
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## API
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### Stepper Props
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名称 | 类型 | 默认值 | 说明 | 必传
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-- | -- | -- | -- | --
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disabled | Boolean | false | 禁用全部操作 | N
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disable-input | Boolean | false | 禁用输入框 | N
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external-classes | Array | - | 组件类名，分别用于表示组件外层元素、输入框、右侧递增号、左侧递减号等元素类名。`['t-class', 't-class-input', 't-class-add', 't-class-minus']` | N
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input-width | Number | - | 输入框宽度 | N
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max | Number | 100 | 最大值 | N
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min | Number | 0 | 最小值 | N
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step | Number | 1 | 步长 | N
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theme | String | normal | 组件风格。可选项：normal/grey | N
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value | String / Number | 0 | 值 | N
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default-value | String / Number | undefined | 值。非受控属性 | N
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### Stepper Events
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名称 | 参数 | 描述
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-- | -- | --
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blur | `({ type: string | number })` | 输入框失去焦点时触发
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change | `({ value: string | number })` | 数值发生变更时触发
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overlimit | `({type: 'minus' | 'plus'})` | 数值超出限制时触发
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