elementUI vue this.$confirm 和el-dialog 弹出框 移动

调试了好久, 还能凑合用, 请直接看DOME 示例,复制就能用:

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <!-- import CSS -->
    <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css">
    <style media="screen" type="text/css">
        #appLoading {
            width: 100%;
            height: 100%;
        }

        #appLoading span {
            position: absolute;
            display: block;
            font-size: 50px;
            line-height: 50px;
            top: 50%;
            left: 50%;
            width: 200px;
            height: 100px;
            -webkit-transform: translateY(-50%) translateX(-50%);
            transform: translateY(-50%) translateX(-50%);
        }
    </style>
</head>
<body>
<div id="appLoading">
    <span>Loading...</span>
</div>
<div id="app" style="display: none">
    <el-dialog title="提示" width="50%" :visible.sync="startUsingDialog" v-dialog_drag>
        <span> 您是否确定启用次记录?</span>
        <span slot="footer" class="dialog-footer">
            <el-button @click="startUsingSubmit()" type="danger" :loading="startUsingLoading">启用</el-button>
            <el-button @click="startUsingDiglog=false">取消</el-button>
        </span>
    </el-dialog>

</div>
<!-- import Vue before Element -->
<script src="https://unpkg.com/vue/dist/vue.js"></script>
<!-- import JavaScript -->
<script src="https://unpkg.com/element-ui/lib/index.js"></script>
<!-- import jquery -->
<script src="https://code.jquery.com/jquery-3.3.1.min.js"></script>
<script>

    $(function () {
        $("body").on("mousedown", '.el-message-box__header', (e) => {
            const dialogHeaderEl = document.querySelector('.el-message-box__header')
            const dragDom = document.querySelector('.el-message-box')
            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)
            // 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 {
                let lefts = sty.left
                let tops = sty.top
                if (sty.left == 'auto') {
                    lefts = '0px'
                }
                if (sty.top == 'auto') {
                    tops = '0px'
                }
                styL = +lefts.replace(/\px/g, '')
                styT = +tops.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`
                dragDom.style.position = `absolute`

                // 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
            }

        })
    })

    Vue.directive('dialog_drag', {
        bind(el, binding, vnode, oldVnode) {
            const dialogHeaderEl = el.querySelector('.el-dialog__header')
            const dragDom = el.querySelector('.el-dialog')
            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)

            dialogHeaderEl.onmousedown = (e) => {
                console.log(1);
                // 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 {
                    let lefts = sty.left
                    let tops = sty.top
                    if (sty.left == 'auto') {
                        lefts = '0px'
                    }
                    if (sty.top == 'auto') {
                        tops = '0px'
                    }
                    styL = +lefts.replace(/\px/g, '')
                    styT = +tops.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
                }
            }
        }
    })

    new Vue({
        el: '#app',
        data: function () {
            return {
                startUsingDialog: true,
                startUsingLoading: false,
            }
        },

        //页面加载成功时完成
        mounted() {
            document.getElementById('app').style.display = 'block';
            document.getElementById('appLoading').style.display = 'none';
        },
        //方法
        methods: {
            startUsingSubmit() {
                this.startUsingLoading=true
                this.$confirm("提示", "你好!", {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消'
                }).then(()=>{
                    this.startUsingLoading=false
                })
                this.$message({
                    showClose: true,
                    message: '这是一条消息提示',
                    duration: 0  //表示显示几秒, 0 表示不消失
                });
            }
        },
    })
</script>
</body>
</html>