water_xcx/miniprogram_npm/tdesign-miniprogram/steps/README.md

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---
title: Steps 步骤条
description: 用于任务步骤展示或任务进度展示。
spline: navigation
isComponent: true
---
<span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20lines-98%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20functions-88%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20statements-96%25-blue" /></span><span class="coverages-badge" style="margin-right: 10px"><img src="https://img.shields.io/badge/coverages%3A%20branches-82%25-blue" /></span>
## 引入
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。
```json
"usingComponents": {
"t-steps": "tdesign-miniprogram/steps/steps",
"t-step-item": "tdesign-miniprogram/steps/step-item",
}
```
## 代码演示
步骤条,方向可以横向和纵向,可以自定义步骤条显示内容以及是否可写
#### 横向可操作步骤条
{{ horizontal }}
#### 横向只读步骤条
{{ readonly }}
#### 竖向只读步骤条
{{ vertical }}
#### 竖向简化只读步骤条
{{ theme }}
#### 竖向双层级只读步骤条
{{ double }}
#### 自定义内容步骤条
{{ customization }}
## API
### Steps Props
名称 | 类型 | 默认值 | 说明 | 必传
-- | -- | -- | -- | --
current | String / Number | 0 | 当前步骤,即整个步骤条进度,格式为`1`、`1-0`或`1-1`。默认根据步骤下标判断步骤的完成状态当前步骤为进行中当前步骤之前的步骤为已完成当前步骤之后的步骤为未开始。若当前步骤条存在子步骤条则会根据子步骤条重新判断当前步骤状态子步骤条中存在error则当前步骤error子步骤条中存在process当前步骤process若最后一个子步骤条finish当前步骤finish优先级为`finish>error>process`。注意如果每个步骤条单独设置了status则步骤条为设定的status若传入`status:''`,将默认为未开始状态,传入的status优先级最高。 | N
default-current | String / Number | undefined | 当前步骤,即整个步骤条进度。默认根据步骤下标判断步骤的完成状态,当前步骤为进行中,当前步骤之前的步骤为已完成,当前步骤之后的步骤为未开始。如果每个步骤没有设置 valuecurrent 值为步骤长度则表示所有步骤已完成。如果每个步骤设置了自定义 value则 current = 'FINISH' 表示所有状态完成。非受控属性 | N
current-status | String | process | 用于控制 current 指向的步骤条的状态。可选项default/process/finish/error | N
external-classes | Array | - | 组件类名,用于设置组件外层元素元素类名。`['t-class']` | N
layout | String | horizontal | 步骤条方向有两种横向和纵向。可选项horizontal/vertical | N
readonly | Boolean | false | 只读状态 | N
theme | String | default | 步骤条风格。可选项default/dot | N
### Steps Events
名称 | 参数 | 描述
-- | -- | --
change | `({current: string | number, previous: string | number})` | 当前步骤发生变化时触发
### StepItem Props
名称 | 类型 | 默认值 | 说明 | 必传
-- | -- | -- | -- | --
content | String / Slot | '' | 步骤描述 | N
external-classes | Array | - | 组件类名,用于设置组件外层元素元素类名。`['t-class', 't-class-inner', 't-class-content', 't-class-title', 't-class-description', 't-class-extra', 't-class-sub', 't-class-sub-dot', 't-class-sub-content']` | N
icon | String / Slot | - | 图标。传入 slot 代表使用插槽,其他字符串代表使用内置图标 | N
status | String | default | 当前步骤的状态。可选项default/process/finish/error。TS 类型:`StepStatus` `type StepStatus = 'default' | 'process' | 'finish' | 'error'`。[详细类型定义](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/steps/type.ts) | N
sub-step-items | Array | [] | 子步骤条,仅支持 layout = 'vertical' 时。TS 类型:`SubStepItem[]` `interface SubStepItem { status: StepStatus, title: string }`。[详细类型定义](https://github.com/Tencent/tdesign-miniprogram/tree/develop/src/steps/type.ts) | N
title | String / Slot | '' | 标题 | N