vue弹出多个弹框，并可以拖动弹框
<template>
<div>
<div class="just-click" @click="clickRect('101')" style="left:200px;top:300px;">101</div>
<div class="just-click" @click="clickRect('102')" style="left:400px;top:300px;">102</div>
<div class="just-click" @click="clickRect('103')" style="left:600px;top:300px;">103</div>
<!-- 动态渲染弹出框 -->
<div v-for="devOne in devDialogs" :key="devOne.devCode" class="multi-dialog" :id="devOne.box" :style="{left: devOne.left, top: devOne.top}">
<div class="multi-dialog-title" :id="devOne.title">
<span>{{ devOne.devCode }}</span>
<button type="button" aria-label="Close" class="el-dialog__headerbtn" @click="closeDialog(devOne)">
<i class="el-dialog__close el-icon el-icon-close"></i>
</button>
</div>
<div class="multi-dialog-content">
<!-- <component :is="currentView"></component> -->
<!-- <template v-for="item in dict"> -->
<component :is="dict[devOne.devCode]"></component>
{{devOne.devCode}}
<!-- </template> -->
</div>
</div>
</div>
</template>
<script>
import PhysicalResult from '../views/Setting/PhysicalResult.vue'
import DataDictionary from '../views/Setting/DataDictionary'//系统参数
export default {
components:{
PhysicalResult,
DataDictionary,
},
data() {
return {
devDialogs: [],
componentList:['physicalResult','dataDictionary'],
menu:[101,102,103],
dict:{
101: 'physicalResult',
102: 'dataDictionary',
},
val:''
}
},
// computed:{
// currentView(){
// return this.componentList[1]
// }
// },
methods: {
currentView(){
return this.componentList[1]
},
// 点击设备按钮弹出弹框
clickRect (val) {
this.val = val
// console.log(val);
// 动态展示设备弹框
let exist = false
this.devDialogs.forEach(element => {
if (val === element.devCode) {
exist = true
}
})
if (!exist) {
let devOne = {
devCode: val,
box: 'box' + val,
title: 'title' + val,
left: '20px',
top: '20px'
}
this.devDialogs.push(devOne)
this.$nextTick(() => {
this.divMove(devOne.title, devOne.box)
})
}
},
// 关闭设备弹框
closeDialog (devOne) {
this.devDialogs.forEach(function (item, index, arr) {
if (item.devCode === devOne.devCode) {
arr.splice(index, 1)
}
})
},
// 移动设备弹框
divMove (titleId, boxId) {
let title = document.getElementById(titleId) // 获取点击元素（可选中拖动的部分）
let box = document.getElementById(boxId) // 获取盒子元素（需要移动的整体）
let divX = 0 // div的x坐标
let divY = 0 // div的y坐标
let isDrop = false // 是否可拖动 按下鼠标置为true 松开鼠标置为false
let self = this
// 将鼠标点击事件绑定在顶部title元素上
title.onmousedown = function (e) {
let el = e || window.event // 获取鼠标位置
divX = el.clientX - box.offsetLeft // 鼠标相对盒子内部的坐标x
divY = el.clientY - box.offsetTop // 鼠标相对盒子顶部的坐标y
isDrop = true // 设为true表示可以移动
document.onmousemove = function (e) {
// 是否为可移动状态
if (isDrop) {
let el = e || window.event
let leftX = el.clientX - divX // 盒子距窗口左边的距离
let leftY = el.clientY - divY // 盒子距窗口顶部的距离
// 盒子不超出窗口的最大移动位置 即拖动置右下角时
let maxX = document.documentElement.clientWidth - box.offsetWidth // 窗口宽度-盒子宽度
let maxY = document.documentElement.clientHeight - box.offsetHeight // 窗口高度-盒子高度
// 当移动到最左最上时，leftX < 0、leftY < 0，盒子左边距、上边距取最大值0
// 当移动到最右最下时，leftX > maxX、leftY > maxY、已超出边界，盒子左边距、上边距取maxX、maxY
leftX = Math.min(maxX, Math.max(0, leftX))
leftY = Math.min(maxY, Math.max(0, leftY))
box.style.left = leftX + 'px'
box.style.top = leftY + 'px'
}
}
document.onmouseup = function () {
// 防止删除上一个div，下一个div挪位到上一个，需要在停止移动时给div赋位置
self.devDialogs.forEach(function (item) {
if (item.box === boxId) {
item.left = box.style.left
item.top = box.style.top
}
})
isDrop = false
document.onmousemove = null
document.onmouseup = null
}
}
}
},
}
</script>
<style lang="less" scoped>
.just-click {
cursor: pointer;
width: 100px;
height: 40px;
position: fixed;
background: white;
color: black;
line-height: 40px;
text-align: center;
}
.multi-dialog {
position: fixed;
width: 900px;
background: #E5F6F8;
top: 20px;
left: 20px;
z-index: 10;
font-size: 14px;
border: 1px solid #8E9394;
border-radius: 10px;
}
.multi-dialog-title {
padding: 15px;
cursor: move;
font-size: 18px;
font-family: Source Han Sans CN;
font-weight: 400;
color: #FFFFFF;
background-color: #10A6B4;
border-top-left-radius: 10px;
border-top-right-radius: 10px;
}
.el-dialog__headerbtn .el-dialog__close{
color: #000000;
}
.el-dialog__headerbtn .el-dialog__close:hover{
color: #000000;
}
.multi-dialog-content {
padding: 10px;
}
</style>
el-dialog弹框可以拖动放大所缩小，可以移动
import Vue from 'vue'
/*
* 使用方法
* 将以下代码复制到一个directives.js文件中，然后在入口文件main.js中导入：import ‘./utils/directives.js’；
* 给elementUI的dialog上加上 v-dialogDrag 指令就可以实现弹窗的全屏和拉伸了。
* 给dialog设置 :close-on-click-modal="false" , 禁止点击遮罩层关闭弹出层
* 如果是form表单，不要将提交等按钮放置el-form-item，以免在上下拉伸时被隐藏
*/
// v-dialogDrag: 弹窗拖拽+水平方向伸缩 Vue.directive('dialogDrag', { bind(el, binding, vnode, oldVnode) { // 弹框可拉伸最小宽高 const minWidth = 400 const minHeight = 300 // 初始非全屏 let isFullScreen = false // 当前顶部高度 let nowMarginTop = 0 // 获取弹框头部（这部分可双击全屏） const dialogHeaderEl = el.querySelector('.el-dialog__header') // 弹窗 const dragDom = el.querySelector('.el-dialog') // 给弹窗加上overflow auto；不然缩小时框内的标签可能超出dialog； dragDom.style.overflow = 'auto' // 清除选择头部文字效果 // dialogHeaderEl.onselectstart = new Function("return false"); // 头部加上可拖动cursor dialogHeaderEl.style.cssText += ';cursor:move;' dragDom.style.cssText += ';top:0px;' // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null); const sty = (function() { if (window.document.currentStyle) { return (dom, attr) => dom.currentStyle[attr]; } else{ return (dom, attr) => getComputedStyle(dom, false)[attr]; } })() const moveDown = e => { // 鼠标按下，计算当前元素距离可视区的距离 const disX = e.clientX - dialogHeaderEl.offsetLeft const disY = e.clientY - dialogHeaderEl.offsetTop const screenWidth = document.body.clientWidth; // body当前宽度 const screenHeight = document.documentElement.clientHeight; // 可见区域高度(应为body高度，可某些环境下无法获取) const dragDomWidth = dragDom.offsetWidth; // 对话框宽度 const dragDomheight = dragDom.offsetHeight; // 对话框高度 const minDragDomLeft = dragDom.offsetLeft; const maxDragDomLeft = screenWidth - dragDom.offsetLeft - dragDomWidth; const minDragDomTop = dragDom.offsetTop; const maxDragDomTop = screenHeight - dragDom.offsetTop - dragDomheight; // 获取到的值带px 正则匹配替换 let styL = sty(dragDom, 'left'); let styT = sty(dragDom, 'top'); // 注意在ie中 第一次获取到的值为组件自带50% 移动之后赋值为px if (styL.includes('%')) { styL = +document.body.clientWidth * (+sty.left.replace(/\%/g, '') / 100) styT = +document.body.clientHeight * (+sty.top.replace(/\%/g, '') / 100) } else { styL = +styL.replace(/\px/g, '') styT = +styT.replace(/\px/g, '') } document.onmousemove = function(e) { // 通过事件委托，计算移动的距离 let left = e.clientX - disX; let top = e.clientY - disY; // 边界处理 if (-(left) > minDragDomLeft) { left = -(minDragDomLeft); } else if (left > maxDragDomLeft) { left = maxDragDomLeft; } if (-(top) > minDragDomTop) { top = -(minDragDomTop); } else if (top > maxDragDomTop) { top = maxDragDomTop; } // 移动当前元素 dragDom.style.cssText += `;left:${left + styL}px;top:${top + styT}px;`; // 将此时的位置传出去 // binding.value({x:e.pageX,y:e.pageY}) } document.onmouseup = function(e) { document.onmousemove = null document.onmouseup = null } } dialogHeaderEl.onmousedown = moveDown // 当前宽高 let nowWidth = 0 // let nowHight = 0 // 双击头部全屏效果 // dialogHeaderEl.ondblclick = e => { // if (isFullScreen === false) { // // nowHight = dragDom.clientHeight // nowWidth = dragDom.clientWidth // nowMarginTop = dragDom.style.marginTop // dragDom.style.left = 0 // dragDom.style.top = '80px' // dragDom.style.height = '75VH' // dragDom.style.width = '100VW' // dragDom.style.marginTop = 0 // isFullScreen = true // dialogHeaderEl.style.cursor = 'initial' // dialogHeaderEl.onmousedown = null // } else { // dragDom.style.height = 'auto' // dragDom.style.width = nowWidth + 'px' // dragDom.style.marginTop = nowMarginTop // isFullScreen = false // dialogHeaderEl.style.cursor = 'move' // dialogHeaderEl.onmousedown = moveDown // } // } dragDom.onmousemove = function(e) { // let moveE = e if ( e.clientX > dragDom.offsetLeft + dragDom.clientWidth - 10 || dragDom.offsetLeft + 10 > e.clientX ) { dragDom.style.cursor = 'w-resize' } else if ( el.scrollTop + e.clientY > dragDom.offsetTop + dragDom.clientHeight - 10 ) { dragDom.style.cursor = 's-resize' } else { dragDom.style.cursor = 'default' dragDom.onmousedown = null } dragDom.onmousedown = e => { const clientX = e.clientX const clientY = e.clientY const elW = dragDom.clientWidth const elH = dragDom.clientHeight const EloffsetLeft = dragDom.offsetLeft const EloffsetTop = dragDom.offsetTop dragDom.style.userSelect = 'none' const ELscrollTop = el.scrollTop // 判断点击的位置是不是为头部 if ( clientX > EloffsetLeft && clientX < EloffsetLeft + elW && clientY > EloffsetTop && clientY < EloffsetTop + 100 ) { // 如果是头部在此就不做任何动作，以上有绑定dialogHeaderEl.onmousedown = moveDown; } else { document.onmousemove = function(e) { // 移动时禁用默认事件 e.preventDefault() // 左侧鼠标拖拽位置 if (clientX > EloffsetLeft && clientX < EloffsetLeft + 10) { // 往左拖拽 if (clientX > e.clientX) { dragDom.style.width = elW + (clientX - e.clientX) * 2 + 'px' } // 往右拖拽 if (clientX < e.clientX) { if (dragDom.clientWidth < minWidth) { console.log() } else { dragDom.style.width = elW - (e.clientX - clientX) * 2 + 'px' } } } // 右侧鼠标拖拽位置 if ( clientX > EloffsetLeft + elW - 10 && clientX < EloffsetLeft + elW ) { // 往左拖拽 if (clientX > e.clientX) { if (dragDom.clientWidth < minWidth) { console.log() } else { dragDom.style.width = elW - (clientX - e.clientX) * 2 + 'px' } } // 往右拖拽 if (clientX < e.clientX) { dragDom.style.width = elW + (e.clientX - clientX) * 2 + 'px' } } // 底部鼠标拖拽位置 if ( ELscrollTop + clientY > EloffsetTop + elH - 20 && ELscrollTop + clientY < EloffsetTop + elH ) { // 往上拖拽 if (clientY > e.clientY) { if (dragDom.clientHeight < minHeight) { console.log() } else { dragDom.style.height = elH - (clientY - e.clientY) * 2 + 'px' } } // 往下拖拽 if (clientY < e.clientY) { if (dragDom.style.height < '750px') { dragDom.style.height = elH + (e.clientY - clientY) * 2 + 'px' }else{ dragDom.style.height = '750px' } } } } // 拉伸结束 document.onmouseup = function(e) { document.onmousemove = null document.onmouseup = null } } } } } })
