vue弹出多个弹框，并可以拖动弹框

<div>

<span>{{ devOne.devCode }}</span>

</button>

</div>

</div>

</template>

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>

.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>

来源：https://blog.csdn.net/Beam007/article/details/104920211?spm=1001.2101.3001.6650.2&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-2.pc_relevant_paycolumn_v2&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7Edefault-2.pc_relevant_paycolumn_v2&utm_relevant_index=5

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
          }
        }
      }
    }
  }
})

改自：https://blog.csdn.net/u012732909/article/details/108743667?spm=1001.2101.3001.6650.16&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-16.pc_relevant_aa&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7EBlogCommendFromBaidu%7ERate-16.pc_relevant_aa&utm_relevant_index=22

posted @ 2022-01-05 08:34 埃菲尔上的加菲猫阅读(1653) 评论(0) 编辑收藏举报

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埃菲尔上的加菲猫

vue弹出多个弹框，并可以拖动弹框

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