mirror of https://github.com/ElemeFE/element
100 lines
2.3 KiB
Markdown
100 lines
2.3 KiB
Markdown
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<script>
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export default {
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data() {
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return {
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color1: '#ff0',
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color2: null,
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color3: 'rgba(128, 33, 22, 0.8)',
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color4: null
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};
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}
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}
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</script>
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<style scoped>
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.demo-box.demo-color-picker .source {
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padding: 0;
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}
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.demo-box.demo-color-picker .block {
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padding: 30px 24px;
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overflow: hidden;
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border-bottom: solid 1px #EFF2F6;
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&:last-child {
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border-bottom: none;
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}
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}
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.demo-box.demo-color-picker .demonstration {
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display: inline-block;
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font-size: 14px;
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width: 25%;
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color: #8492a6;
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line-height: 44px;
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}
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</style>
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## ColorPicker
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ColorPicker 是一个颜色选择器,该组件是用来解决某些场景下需要选择颜色的需求。
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### 选择颜色
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:::demo ColorPicker 用法与 DatePicker 类似,需要使用 v-model 来与 Vue 实例中的一个变量进行双向绑定,绑定的变量需要是字符串类型。
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```html
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<div class="block">
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<span class="demonstration">有默认值</span>
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<el-color-picker v-model="color1"></el-color-picker>
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</div>
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<div class="block">
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<span class="demonstration">无默认值</span>
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<el-color-picker v-model="color2"></el-color-picker>
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</div>
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<style>
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</style>
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<script>
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export default {
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data() {
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return {
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color1: '#ff0',
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color2: null
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}
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}
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};
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</script>
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```
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:::
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### 选择颜色和透明度
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:::demo ColorPicker 支持普通颜色,也支持带 Alpha 通道的颜色,通过 show-alpha 属性即可控制是否支持透明度的使用。
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```html
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<div class="block">
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<span class="demonstration">有默认值</span>
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<el-color-picker v-model="color3" show-alpha></el-color-picker>
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</div>
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<div class="block">
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<span class="demonstration">无默认值</span>
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<el-color-picker v-model="color4" show-alpha></el-color-picker>
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</div>
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<script>
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export default {
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data() {
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return {
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color3: 'rgba(128, 33, 22, 0.8)',
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color4: null
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}
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}
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};
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</script>
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```
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:::
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### Attributes
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| 参数 | 说明 | 类型 | 可选值 | 默认值 |
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|---------- |-------- |---------- |------------- |-------- |
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| show-alpha | 是否显示透明度 Slider。 | Boolean | — | false |
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| color-format | 写入 v-model 的颜色的格式。在 show-alpha 为 true 的情况下,默认值为 rgb,否则为 hex。 | string | hsl, hsv, hex, rgb | hex |
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