2017-02-07 16:11:53 +00:00
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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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2017-02-22 07:14:54 +00:00
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color1: '#20a0ff',
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color2: null,
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color3: 'rgba(19, 206, 102, 0.8)'
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};
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},
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mounted() {
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this.$nextTick(() => {
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const demos = document.querySelectorAll('.source');
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demos[0].style.padding = '0';
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});
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},
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2017-02-07 16:11:53 +00:00
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}
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</script>
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2017-02-22 07:14:54 +00:00
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<style>
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.demo-color-picker .block {
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padding: 30px 0;
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text-align: center;
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border-right: solid 1px #EFF2F6;
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float: left;
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width: 50%;
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box-sizing: border-box;
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&:last-child {
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border-right: none;
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}
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}
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.demo-color-picker .demonstration {
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display: block;
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color: #8492a6;
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font-size: 14px;
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margin-bottom: 20px;
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}
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</style>
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2017-02-22 07:14:54 +00:00
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## ColorPicker 颜色选择器
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2017-02-07 16:11:53 +00:00
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2017-02-22 07:14:54 +00:00
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用于颜色选择,支持多种格式。
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2017-02-07 16:11:53 +00:00
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2017-02-22 07:14:54 +00:00
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### 基础用法
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2017-02-22 07:14:54 +00:00
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:::demo 使用 v-model 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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2017-02-07 16:11:53 +00:00
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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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<script>
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export default {
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data() {
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return {
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color1: '#20a0ff',
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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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### 选择透明度
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2017-02-22 07:14:54 +00:00
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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选择。
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```html
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<el-color-picker v-model="color3" show-alpha></el-color-picker>
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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(19, 206, 102, 0.8)'
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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 | 是否支持透明度选择 | boolean | — | false |
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| color-format | 写入 v-model 的颜色的格式 | string | hsl / hsv / hex / rgb | hex(show-alpha 为 false)/ rgb(show-alpha 为 true) |
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### Events
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| 事件名称 | 说明 | 回调参数 |
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|---------- |-------- |---------- |
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2017-07-10 03:59:08 +00:00
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| change | 当绑定值变化时触发 | 当前值 |
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| active-change | 面板中当前显示的颜色发生改变时触发 | 当前显示的颜色值 |
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