vue彈出多個彈框,並可以拖動彈框


<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>
<!-- 動態渲染彈出框 -->
<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'//系統參數

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]
    },

    // 點擊設備按鈕彈出彈框
    clickRect (val) {
      this.val = val
      // console.log(val);
      // 動態展示設備彈框
      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)
        })
      }
    },
    // 關閉設備彈框
    closeDialog (devOne) {
      this.devDialogs.forEach(function (item, index, arr) {
        if (item.devCode === devOne.devCode) {
          arr.splice(index, 1)
        }
      })
    },
    // 移動設備彈框
    divMove (titleId, boxId) {
      let title = document.getElementById(titleId) // 獲取點擊元素(可選中拖動的部分)
      let box = document.getElementById(boxId) // 獲取盒子元素(需要移動的整體)
      let divX = 0 // div的x坐標
      let divY = 0 // div的y坐標
      let isDrop = false // 是否可拖動 按下鼠標置為true 松開鼠標置為false
      let self = this
      // 將鼠標點擊事件綁定在頂部title元素上
      title.onmousedown = function (e) {
        let el = e || window.event // 獲取鼠標位置
        divX = el.clientX - box.offsetLeft // 鼠標相對盒子內部的坐標x
        divY = el.clientY - box.offsetTop // 鼠標相對盒子頂部的坐標y
        isDrop = true // 設為true表示可以移動
        document.onmousemove = function (e) {
          // 是否為可移動狀態
          if (isDrop) {
            let el = e || window.event
            let leftX = el.clientX - divX // 盒子距窗口左邊的距離
            let leftY = el.clientY - divY // 盒子距窗口頂部的距離
            // 盒子不超出窗口的最大移動位置 即拖動置右下角時
            let maxX = document.documentElement.clientWidth - box.offsetWidth // 窗口寬度-盒子寬度
            let maxY = document.documentElement.clientHeight - box.offsetHeight // 窗口高度-盒子高度
            // 當移動到最左最上時,leftX < 0、leftY < 0,盒子左邊距、上邊距取最大值0
            // 當移動到最右最下時,leftX > maxX、leftY > maxY、已超出邊界,盒子左邊距、上邊距取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 () {
          // 防止刪除上一個div,下一個div挪位到上一個,需要在停止移動時給div賦位置
          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>

 

來源: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彈框可以拖動放大所縮小,可以移動

import Vue from 'vue'

/*
* 使用方法
* 將以下代碼復制到一個directives.js文件中,然后在入口文件main.js中導入:import ‘./utils/directives.js’;
* 給elementUI的dialog上加上 v-dialogDrag 指令就可以實現彈窗的全屏和拉伸了。
* 給dialog設置 :close-on-click-modal="false" , 禁止點擊遮罩層關閉彈出層
* 如果是form表單,不要將提交等按鈕放置el-form-item,以免在上下拉伸時被隱藏
*/

// v-dialogDrag: 彈窗拖拽+水平方向伸縮
 
Vue.directive('dialogDrag', {
  bind(el, binding, vnode, oldVnode) {
    // 彈框可拉伸最小寬高
    const minWidth = 400
    const minHeight = 300
 
    // 初始非全屏
    let isFullScreen = false
 
    // 當前頂部高度
    let nowMarginTop = 0
 
    // 獲取彈框頭部(這部分可雙擊全屏)
    const dialogHeaderEl = el.querySelector('.el-dialog__header')
 
    // 彈窗
    const dragDom = el.querySelector('.el-dialog')
 
    // 給彈窗加上overflow auto;不然縮小時框內的標簽可能超出dialog;
    dragDom.style.overflow = 'auto'
 
    // 清除選擇頭部文字效果
    // dialogHeaderEl.onselectstart = new Function("return false");
 
    // 頭部加上可拖動cursor
    dialogHeaderEl.style.cssText += ';cursor:move;'
    dragDom.style.cssText += ';top:0px;'
 
    // 獲取原有屬性 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 => {
      // 鼠標按下,計算當前元素距離可視區的距離
      const disX = e.clientX - dialogHeaderEl.offsetLeft
      const disY = e.clientY - dialogHeaderEl.offsetTop

      const screenWidth = document.body.clientWidth; // body當前寬度
      const screenHeight = document.documentElement.clientHeight; // 可見區域高度(應為body高度,可某些環境下無法獲取)

      const dragDomWidth = dragDom.offsetWidth; // 對話框寬度
      const dragDomheight = dragDom.offsetHeight; // 對話框高度

      const minDragDomLeft = dragDom.offsetLeft;
      const maxDragDomLeft = screenWidth - dragDom.offsetLeft - dragDomWidth;

      const minDragDomTop = dragDom.offsetTop;
      const maxDragDomTop = screenHeight - dragDom.offsetTop - dragDomheight;

 
      // 獲取到的值帶px 正則匹配替換
      let styL = sty(dragDom, 'left');
      let styT = sty(dragDom, 'top');
 
      // 注意在ie中 第一次獲取到的值為組件自帶50% 移動之后賦值為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) {
        // 通過事件委托,計算移動的距離
        let left = e.clientX - disX;
        let top = e.clientY - disY;

        // 邊界處理
        if (-(left) > minDragDomLeft) {
            left = -(minDragDomLeft);
        } else if (left > maxDragDomLeft) {
            left = maxDragDomLeft;
        }

        if (-(top) > minDragDomTop) {
            top = -(minDragDomTop);
        } else if (top > maxDragDomTop) {
            top = maxDragDomTop;
        }
 
        // 移動當前元素
        dragDom.style.cssText += `;left:${left + styL}px;top:${top + styT}px;`;
 
        // 將此時的位置傳出去
        // binding.value({x:e.pageX,y:e.pageY})
      }
 
      document.onmouseup = function(e) {
        document.onmousemove = null
        document.onmouseup = null
      }
    }
 
    dialogHeaderEl.onmousedown = moveDown
    // 當前寬高
    let nowWidth = 0
    // let nowHight = 0
    // 雙擊頭部全屏效果
    // 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
 
        // 判斷點擊的位置是不是為頭部
        if (
          clientX > EloffsetLeft &&
          clientX < EloffsetLeft + elW &&
          clientY > EloffsetTop &&
          clientY < EloffsetTop + 100
        ) {
          // 如果是頭部在此就不做任何動作,以上有綁定dialogHeaderEl.onmousedown = moveDown;
        } else {
          document.onmousemove = function(e) {
            // 移動時禁用默認事件
            e.preventDefault()
 
            // 左側鼠標拖拽位置
            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'
                }
              }
            }
 
            // 右側鼠標拖拽位置
            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'
              }
            }
 
            // 底部鼠標拖拽位置
            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'
                  }
                
              }
            }
          }
 
          // 拉伸結束
          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

 


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