uni-tooltip.vue
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<template>
<view class="uni-tooltip">
<slot></slot>
<view v-if="content || $slots.content" class="uni-tooltip-popup" :style="initPlacement">
<slot name="content">
{{content}}
</slot>
</view>
</view>
</template>
<script>
/**
* Tooltip 提示文字
* @description 常用于展示鼠标 hover 时的提示信息。
* @tutorial https://uniapp.dcloud.io/component/uniui/uni-tooltip
* @property {String} content 弹出层显示的内容
* @property {String} placement出现位置, 目前支持：left right top bottom
*/
export default {
name: "uni-tooltip",
data() {
return {
};
},
methods: {},
computed: {
initPlacement() {
let style = {};
switch (this.placement) {
case 'left':
style = {
top: '50%',
transform: 'translateY(-50%)',
right: '100%',
"margin-right": '10rpx',
}
break;
case 'right':
style = {
top: '50%',
transform: 'translateY(-50%)',
left: '100%',
"margin-left": '10rpx',
}
break;
case 'top':
style = {
bottom: '100%',
transform: 'translateX(-50%)',
left: '50%',
"margin-bottom": '10rpx',
}
break;
case 'bottom':
style = {
top: '100%',
transform: 'translateX(-50%)',
left: '50%',
"margin-top": '10rpx',
}
break;
}
return style;
}
},
props: {
content: {
type: String,
default: ''
},
placement: {
type: String,
default: 'bottom'
},
}
}
</script>
<style>
.uni-tooltip {
position: relative;
cursor: pointer;
display: inline-block;
}
.uni-tooltip-popup {
z-index: 1;
display: none;
position: absolute;
background-color: #333;
border-radius: 8px;
color: #fff;
font-size: 12px;
text-align: left;
line-height: 16px;
padding: 12px;
overflow: auto;
}
.uni-tooltip:hover .uni-tooltip-popup {
display: block;
}
</style>