2020-08-13 15:18:26 +08:00
|
|
|
## Slider 滑块
|
|
|
|
|
|
|
|
通过拖动滑块在一个固定区间内进行选择
|
|
|
|
|
|
|
|
### 基础用法
|
|
|
|
|
|
|
|
在拖动滑块时,显示当前值
|
|
|
|
|
|
|
|
:::demo 通过设置绑定值自定义滑块的初始值
|
|
|
|
```html
|
|
|
|
<template>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">默认</span>
|
|
|
|
<el-slider v-model="value1"></el-slider>
|
|
|
|
</div>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">自定义初始值</span>
|
|
|
|
<el-slider v-model="value2"></el-slider>
|
|
|
|
</div>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">隐藏 Tooltip</span>
|
|
|
|
<el-slider v-model="value3" :show-tooltip="false"></el-slider>
|
|
|
|
</div>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">格式化 Tooltip</span>
|
|
|
|
<el-slider v-model="value4" :format-tooltip="formatTooltip"></el-slider>
|
|
|
|
</div>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">禁用</span>
|
|
|
|
<el-slider v-model="value5" disabled></el-slider>
|
|
|
|
</div>
|
|
|
|
</template>
|
|
|
|
|
|
|
|
<script>
|
|
|
|
export default {
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value1: 0,
|
|
|
|
value2: 50,
|
|
|
|
value3: 36,
|
|
|
|
value4: 48,
|
|
|
|
value5: 42
|
|
|
|
}
|
|
|
|
},
|
|
|
|
methods: {
|
|
|
|
formatTooltip(val) {
|
|
|
|
return val / 100;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
```
|
|
|
|
:::
|
|
|
|
|
|
|
|
### 离散值
|
|
|
|
|
|
|
|
选项可以是离散的
|
|
|
|
|
|
|
|
:::demo 改变`step`的值可以改变步长,通过设置`show-stops`属性可以显示间断点
|
|
|
|
```html
|
|
|
|
<template>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">不显示间断点</span>
|
|
|
|
<el-slider
|
|
|
|
v-model="value1"
|
|
|
|
:step="10">
|
|
|
|
</el-slider>
|
|
|
|
</div>
|
|
|
|
<div class="block">
|
|
|
|
<span class="demonstration">显示间断点</span>
|
|
|
|
<el-slider
|
|
|
|
v-model="value2"
|
|
|
|
:step="10"
|
|
|
|
show-stops>
|
|
|
|
</el-slider>
|
|
|
|
</div>
|
|
|
|
</template>
|
|
|
|
|
|
|
|
<script>
|
|
|
|
export default {
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value1: 0,
|
|
|
|
value2: 0
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
```
|
|
|
|
:::
|
|
|
|
|
|
|
|
### 带有输入框
|
|
|
|
|
|
|
|
通过输入框设置精确数值
|
|
|
|
|
|
|
|
:::demo 设置`show-input`属性会在右侧显示一个输入框
|
|
|
|
```html
|
|
|
|
<template>
|
|
|
|
<div class="block">
|
|
|
|
<el-slider
|
|
|
|
v-model="value"
|
|
|
|
show-input>
|
|
|
|
</el-slider>
|
|
|
|
</div>
|
|
|
|
</template>
|
|
|
|
|
|
|
|
<script>
|
|
|
|
export default {
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value: 0
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
```
|
|
|
|
:::
|
|
|
|
|
|
|
|
### 范围选择
|
|
|
|
|
|
|
|
支持选择某一数值范围
|
|
|
|
|
|
|
|
:::demo 设置`range`即可开启范围选择,此时绑定值是一个数组,其元素分别为最小边界值和最大边界值
|
|
|
|
```html
|
|
|
|
<template>
|
|
|
|
<div class="block">
|
|
|
|
<el-slider
|
|
|
|
v-model="value"
|
|
|
|
range
|
|
|
|
show-stops
|
|
|
|
:max="10">
|
|
|
|
</el-slider>
|
|
|
|
</div>
|
|
|
|
</template>
|
|
|
|
|
|
|
|
<script>
|
|
|
|
export default {
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value: [4, 8]
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
```
|
|
|
|
:::
|
|
|
|
|
|
|
|
### 竖向模式
|
|
|
|
|
|
|
|
:::demo 设置`vertical`可使 Slider 变成竖向模式,此时必须设置高度`height`属性
|
|
|
|
```html
|
|
|
|
<template>
|
|
|
|
<div class="block">
|
|
|
|
<el-slider
|
|
|
|
v-model="value"
|
|
|
|
vertical
|
|
|
|
height="200px">
|
|
|
|
</el-slider>
|
|
|
|
</div>
|
|
|
|
</template>
|
|
|
|
|
|
|
|
<script>
|
|
|
|
export default {
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value: 0
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
```
|
|
|
|
:::
|
|
|
|
|
|
|
|
### 展示标记
|
|
|
|
|
|
|
|
:::demo 设置 `marks` 属性可以展示标记
|
|
|
|
```html
|
|
|
|
<template>
|
|
|
|
<div class="block">
|
|
|
|
<el-slider
|
|
|
|
v-model="value"
|
|
|
|
range
|
|
|
|
:marks="marks">
|
|
|
|
</el-slider>
|
|
|
|
</div>
|
|
|
|
</template>
|
|
|
|
|
|
|
|
<script>
|
|
|
|
export default {
|
|
|
|
data() {
|
|
|
|
return {
|
|
|
|
value: [30, 60],
|
|
|
|
marks: {
|
|
|
|
0: '0°C',
|
|
|
|
8: '8°C',
|
|
|
|
37: '37°C',
|
|
|
|
50: {
|
|
|
|
style: {
|
|
|
|
color: '#1989FA'
|
|
|
|
},
|
2020-10-26 10:56:14 +08:00
|
|
|
label: '50%'
|
2020-08-13 15:18:26 +08:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
</script>
|
|
|
|
```
|
|
|
|
:::
|
|
|
|
|
|
|
|
### Attributes
|
|
|
|
| 参数 | 说明 | 类型 | 可选值 | 默认值 |
|
|
|
|
|---------- |-------------- |---------- |-------------------------------- |-------- |
|
|
|
|
| value / v-model | 绑定值 | number | — | 0 |
|
|
|
|
| min | 最小值 | number | — | 0 |
|
|
|
|
| max | 最大值 | number | — | 100 |
|
|
|
|
| disabled | 是否禁用 | boolean | — | false |
|
|
|
|
| step | 步长 | number | — | 1 |
|
|
|
|
| show-input | 是否显示输入框,仅在非范围选择时有效 | boolean | — | false |
|
|
|
|
| show-input-controls | 在显示输入框的情况下,是否显示输入框的控制按钮 | boolean | — | true |
|
|
|
|
| input-size | 输入框的尺寸 | string | large / medium / small / mini | small |
|
|
|
|
| show-stops | 是否显示间断点 | boolean | — | false |
|
|
|
|
| show-tooltip | 是否显示 tooltip | boolean | — | true |
|
|
|
|
| format-tooltip | 格式化 tooltip message | function(value) | — | — |
|
|
|
|
| range | 是否为范围选择 | boolean | — | false |
|
|
|
|
| vertical | 是否竖向模式 | boolean | — | false |
|
|
|
|
| height | Slider 高度,竖向模式时必填 | string | — | — |
|
|
|
|
| label | 屏幕阅读器标签 | string | — | — |
|
|
|
|
| debounce | 输入时的去抖延迟,毫秒,仅在`show-input`等于true时有效 | number | — | 300 |
|
|
|
|
| tooltip-class | tooltip 的自定义类名 | string | — | — |
|
|
|
|
| marks | 标记, key 的类型必须为 number 且取值在闭区间 `[min, max]` 内,每个标记可以单独设置样式 | object | — | — |
|
|
|
|
|
|
|
|
### Events
|
|
|
|
| 事件名称 | 说明 | 回调参数 |
|
|
|
|
|---------- |-------- |---------- |
|
|
|
|
| change | 值改变时触发(使用鼠标拖曳时,只在松开鼠标后触发) | 改变后的值 |
|
|
|
|
| input | 数据改变时触发(使用鼠标拖曳时,活动过程实时触发) | 改变后的值 |
|