用vue实现点击按钮,弹出一个视频,视频可拖动放大缩小
components/modal/ModalShow.vue<template><div><el-dialogtitle="操作指南":visible.sync="isShow":close-on-click-modal="false"v-dialogDragmodal="false"><video width="100%" controls autopl
·
components/modal/ModalShow.vue
<template>
<div>
<el-dialog
title="操作指南"
:visible.sync="isShow"
:close-on-click-modal="false"
v-dialogDrag
modal="false"
>
<video width="100%" controls autoplay>
<source src="操作指南.mp4" type="video/mp4" />
</video>
</el-dialog>
</div>
</template>
<script>
export default {
data() {
return {
isShow: false,
};
},
methods: {
showModal() {
this.isShow = true;
},
close() {
this.isShow = false;
},
},
};
</script>
<style scoped>
video:focus {
outline: none;
}
</style>
utils/directives.js
import Vue from 'vue'
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.cursor = 'move'
// 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null)
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
// 获取到的值带px 正则匹配替换
let styL, styT
// 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 (sty.left.includes('%')) {
styL = +document.body.clientWidth * (+sty.left.replace(/\%/g, '') / 100)
styT = +document.body.clientHeight * (+sty.top.replace(/\%/g, '') / 100)
} else {
styL = +sty.left.replace(/\px/g, '')
styT = +sty.top.replace(/\px/g, '')
}
document.onmousemove = function(e) {
// 通过事件委托,计算移动的距离
const l = e.clientX - disX
const t = e.clientY - disY
// 移动当前元素
dragDom.style.left = `${l + styL}px`
dragDom.style.top = `${t + 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 = 0
dragDom.style.height = '100VH'
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) {
dragDom.style.height = elH + (e.clientY - clientY) * 2 + 'px'
}
}
}
// 拉伸结束
document.onmouseup = function(e) {
document.onmousemove = null
document.onmouseup = null
}
}
}
}
}
})
views/index.vue
<template>
<el-button @click="showModal">帮助</el-button>
<!-- 弹框 -->
<modal-show ref="ModalShow"></modal-show>
</template>
import ModalShow from "@/components/modal/ModalShow.vue";
import { directives } from "@/utils/directives.js";
components:{ModalShow}
methods: {
showModal() {
this.$refs.ModalShow.showModal();
},
}
其中directives.js是自定义的指令
ModalShow.vue是自定义的组件
更多推荐
已为社区贡献1条内容
所有评论(0)