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171 lines
3.7 KiB
Markdown
171 lines
3.7 KiB
Markdown
# Circle 环形进度条
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### 介绍
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圆环形的进度条组件，支持进度渐变动画。
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### 引入
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通过以下方式来全局注册组件，更多注册方式请参考[组件注册](#/zh-CN/advanced-usage#zu-jian-zhu-ce)。
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```js
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import { createApp } from 'vue';
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import { Circle } from 'vant';
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const app = createApp();
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app.use(Circle);
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```
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## 代码演示
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### 基础用法
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`rate` 属性表示进度条的目标进度，`v-model:current-rate` 表示动画过程中的实时进度。当 `rate` 发生变化时，`v-model:current-rate` 会以 `speed` 的速度变化，直至达到 `rate` 设定的值。
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```html
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<van-circle
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v-model:current-rate="currentRate"
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:rate="30"
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:speed="100"
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:text="text"
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/>
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```
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```js
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import { ref, computed } from 'vue';
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export default {
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setup() {
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const currentRate = ref(0);
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const text = computed(() => currentRate.value.toFixed(0) + '%');
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return {
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text,
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currentRate,
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};
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},
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};
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```
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### 宽度定制
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通过 `stroke-width` 属性来控制进度条宽度。
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```html
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<van-circle
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v-model:current-rate="currentRate"
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:rate="rate"
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:stroke-width="60"
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text="宽度定制"
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/>
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```
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### 颜色定制
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通过 `color` 属性来控制进度条颜色，`layer-color` 属性来控制轨道颜色。
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```html
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<van-circle
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v-model:current-rate="currentRate"
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:rate="rate"
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layer-color="#ebedf0"
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text="颜色定制"
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/>
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```
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### 渐变色
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`color` 属性支持传入对象格式来定义渐变色。
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```html
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<van-circle
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v-model:current-rate="currentRate"
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:rate="rate"
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:color="gradientColor"
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text="渐变色"
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/>
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```
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```js
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import { ref } from 'vue';
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export default {
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setup() {
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const currentRate = ref(0);
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const gradientColor = {
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'0%': '#3fecff',
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'100%': '#6149f6',
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};
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return {
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currentRate,
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gradientColor,
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};
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},
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};
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```
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### 逆时针方向
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将 `clockwise` 设置为 `false`，进度会从逆时针方向开始。
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```html
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<van-circle
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v-model:current-rate="currentRate"
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:rate="rate"
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:clockwise="false"
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text="逆时针方向"
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/>
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```
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### 大小定制
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通过 `size` 属性设置圆环直径。
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```html
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<van-circle
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v-model:current-rate="currentRate"
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:rate="rate"
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size="120px"
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text="大小定制"
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/>
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```
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## API
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### Props
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| 参数 | 说明 | 类型 | 默认值 |
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| --- | --- | --- | --- |
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| v-model:current-rate | 当前进度 | _number_ | - |
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| rate | 目标进度 | _number \| string_ | `100` |
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| size | 圆环直径，默认单位为 `px` | _number \| string_ | `100px` |
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| color | 进度条颜色，传入对象格式可以定义渐变色 | _string \| object_ | `#1989fa` |
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| layer-color | 轨道颜色 | _string_ | `white` |
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| fill | 填充颜色 | _string_ | `none` |
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| speed | 动画速度（单位为 rate/s） | _number \| string_ | `0` |
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| text | 文字 | _string_ | - |
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| stroke-width | 进度条宽度 | _number \| string_ | `40` |
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| stroke-linecap | 进度条端点的形状，可选值为 `sqaure` `butt` | _string_ | `round` |
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| clockwise | 是否顺时针增加 | _boolean_ | `true` |
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### Slots
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| 名称 | 说明 |
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| ------- | -------------- |
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| default | 自定义文字内容 |
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### 样式变量
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组件提供了下列 Less 变量，可用于自定义样式，使用方法请参考[主题定制](#/zh-CN/theme)。
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| 名称 | 默认值 | 描述 |
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| ------------------------ | ------------------- | ---- |
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| @circle-size | `100px` | - |
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| @circle-color | `@blue` | - |
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| @circle-layer-color | `@white` | - |
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| @circle-text-color | `@text-color` | - |
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| @circle-text-font-weight | `@font-weight-bold` | - |
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| @circle-text-font-size | `@font-size-md` | - |
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| @circle-text-line-height | `@line-height-md` | - |
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