vue.js自定义弹出组件插入到body中的实现划词分享功能
【摘要】
实现效果
实现原理：
方式一：通过 vue.extend 实现方式二：通过 new Vue() 实现，本例采用该方法实现，比较简单，即新实例化一个vue对象，单独操作它。其实就是动态创建一个Vue实...
实现效果
实现原理：
- 方式一：通过
vue.extend实现 - 方式二：通过
new Vue()实现，本例采用该方法实现，比较简单，即新实例化一个vue对象，单独操作它。其实就是动态创建一个Vue实例对象。
代码实现
<!-- components/pop-share/pop-share.vue -->
<template>
<!-- 最外层需要一个透明遮罩，监听点击事件 -->
<div class="mo-mask" :style="{ 'z-index': zIndex }" @click="handleClose">
<transition name="el-fade-in-linear">
<div class="pop-share" :style="style" @click.stop="handleClick">
<div data-value="select" class="pop-share__item">
<i class="el-icon-share"></i>选中分享
</div>
<div data-value="all" class="pop-share__item">
<i class="el-icon-share"></i>全部分享
</div>
<div data-value="work-weixin" class="pop-share__item">
<i class="el-icon-position"></i>发送到企业微信
</div>
<div data-value="search" class="pop-share__item">
<i class="el-icon-search"></i>搜索
</div>
</div>
</transition>
</div>
</template>
<script>
// created at 2022-06-21
export default {
name: 'pop-share',
// 接收参数中可以定义需要接收的参数
props: {
top: {
type: Number | String,
default: 0
},
left: {
type: Number | String,
default: 0
},
// 点击事件回调
onItemClick: {
type: Function,
default: null
}
},
components: {},
data() {
return {
zIndex: 0
};
},
computed: {
style() {
return {
top: this.top + 'px',
left: this.left + 'px'
};
}
},
methods: {
async getData() {},
handleClick(e) {
if (e.target.dataset.value) {
if (this.onItemClick) {
this.onItemClick({ value: e.target.dataset.value });
}
this.handleClose();
}
},
handleClose(e) {
this.$parent.handleClose();
},
// js获取当前窗口最大z-index
getMaxZIndex() {
var elements = document.querySelectorAll('*');
let maxZindex = 0;
for (var i = 0; i < elements.length; i++) {
maxZindex = Math.max(maxZindex, elements[i].style.zIndex || 0);
}
return maxZindex;
}
},
mounted() {
// console.log(this.getMaxZIndex() + 1);
this.zIndex = this.getMaxZIndex() + 1;
},
created() {
this.getData();
}
};
</script>
<style lang="less">
// 遮罩层
.mo-mask {
position: fixed;
top: 0;
bottom: 0;
left: 0;
right: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0);
}
.pop-share {
position: fixed;
background-color: #373737;
color: #fff;
display: flex;
align-items: center;
line-height: 1.5;
border-radius: 6px;
transform: translate(-50%, -50px);
}
.pop-share::after {
content: '';
position: absolute;
top: 100%;
left: 50%;
transform: translateX(-50%);
width: 0;
height: 0;
border-left: 8px solid transparent;
border-right: 8px solid transparent;
border-top: 8px solid #373737;
}
.pop-share__item {
font-size: 12px;
line-height: 32px;
height: 32px;
padding: 0 12px;
box-sizing: border-box;
color: #dfdfdf;
position: relative;
cursor: pointer;
white-space: nowrap;
}
.pop-share__item:not(:last-child)::after {
position: absolute;
content: '';
width: 1px;
height: 14px;
line-height: 14px;
padding: 0;
box-sizing: border-box;
background-color: #666;
top: 50%;
right: 0;
transform: translateY(-50%);
}
</style>
<style lang="less" scoped></style>
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// components/pop-share/index.js
import Vue from 'vue';
import PopShare from './pop-share.vue';
// 所有实例列表
let instances = [];
// 显示
function show(props) {
console.log('show');
// let PopShareVue = Vue.extend(PopShare);
// 此处需要使用 propsData传递参数
// let instance = new PopShareVue({
// propsData: props
// });
let instance = new Vue({
render(h) {
return h(PopShare, { props });
},
methods: {
handleClose() {
close(instance);
}
}
});
instance.$mount();
document.body.appendChild(instance.$el);
instances.push(instance);
}
// 关闭
function close(instance) {
console.log('close');
if (instance) {
document.body.removeChild(instance.$el);
}
let index = instances.findIndex(item => item === instance);
if (index > -1) {
instances.splice(index, 1);
}
}
function closeAll() {
for (let instance of instances) {
close(instance);
}
}
export default {
show,
close,
closeAll
};
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将其挂载到Vue实例
// main.js
import Vue from 'vue';
import App from './App.vue';
import PopShare from './components/pop-share/index.js';
Vue.prototype.$popShare = PopShare;
const app = new Vue({
render: h => h(App)
}).$mount('#app');
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调用弹出分享组件
<!-- App.vue -->
<template>
<div @mouseup="handleMouseUp" class="meeting-content" v-html="content"></div>
</template>
<script>
// created at 2022-06-21
export default {
name: '',
data(){
return {
content: ""
}
},
methods: {
handleMouseUp(e) {
// 将当前鼠标的坐标传入
this.$popShare.show({
top: e.clientY,
left: e.clientX,
// 点击回调
onItemClick: e => {
console.log(e);
}
});
}
},
created() {
// this.getData();
}
};
</script>
<style lang="less">
.meeting-content {
white-space: pre-wrap;
line-height: 1.8;
color: #222222;
font-size: 14px;
&::selection {
background-color: #b0d4fc;
}
}
</style>
<style lang="less" scoped></style>
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参考
文章来源: pengshiyu.blog.csdn.net，作者：彭世瑜，版权归原作者所有，如需转载，请联系作者。
原文链接：pengshiyu.blog.csdn.net/article/details/125396008
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