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+export const dialogResizeStandard = {
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+ mounted(el: any, binding: any, vnode: any) {
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+ const bValue = binding.value
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+ const localKeyMap: any = {
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+ positions: {
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+ 'can-resize3': 'cet-standard-positions',
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+ },
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+ resize: {
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+ 'can-resize3': 'cet-standard-resize',
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+ },
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+ }
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+ const resizeEvent = new CustomEvent('drag-resize', {
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+ detail: '尺寸变化',
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+ bubbles: false,
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+ })
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+ // 初始化不最大化
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+ el.fullscreen = false
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+ const winHeight = window.innerHeight
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+ // 弹框可拉伸最小宽高
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+ const minWidth = 400
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+ const minHeight = winHeight / 2
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+
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+ // 弹窗
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+ const dragDom: any = document.querySelector('.' + binding.value)
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+ const dialogHeaderEl = dragDom.querySelector('.el-dialog__header')
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+
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+ el.style.overflow = 'initial'
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+ dragDom.className += ' el-drag-dialog'
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+ // 给弹窗加上overflow auto；不然缩小时框内的标签可能超出dialog；
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+ // dragDom.style.overflow = 'auto'
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+ dragDom.style.background = '#fff'
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+
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+ const keyboardPositions = localStorage.getItem(localKeyMap.positions[bValue])
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+ const keyboardResize = localStorage.getItem(localKeyMap.resize[bValue])
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+ if (keyboardPositions) {
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+ dragDom.style.left = JSON.parse(keyboardPositions).left || 0
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+ dragDom.style.top = JSON.parse(keyboardPositions).top || 0
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+ }
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+
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+ if (keyboardResize) {
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+ const localW = JSON.parse(keyboardResize).width
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+ const localH = JSON.parse(keyboardResize).height
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+ localW && (dragDom.style.width = localW)
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+ localH && (dragDom.style.height = localH)
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+ } else {
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+ dragDom.style.height = minHeight + 100 + 'px'
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+ dragDom.style.width = '800px'
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+ }
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+
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+ // 清除选择头部文字效果
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+ // eslint-disable-next-line no-new-func
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+ dialogHeaderEl.onselectstart = new Function('return false')
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+ // 头部加上可拖动cursor
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+ dialogHeaderEl.style.cursor = 'move'
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+
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+ // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
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+ const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null)
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+
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+ // 头部插入最大化最小化元素
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+ const maxMin = document.createElement('button')
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+ maxMin.className += ' el-dialog__headerbtn el-dialog__minmax'
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+ maxMin.style.right = '40px'
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+ maxMin.style.color = '#ffffff'
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+ maxMin.title = el.fullscreen ? '还原' : '最大化'
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+ maxMin.innerHTML =
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+ '<i class=' +
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+ (el.fullscreen ? '"el-icon-crop"' : '"el-icon-full-screen"') +
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+ ' onMouseOver="this.style.color=\'#409EFF\'" onMouseOut="this.style.color=\'inherit\'"></i>'
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+ dialogHeaderEl.insertBefore(maxMin, dialogHeaderEl.childNodes[1])
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+ const moveDown = (e: any) => {
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+ // 鼠标按下，计算当前元素距离可视区的距离
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+ const disX = e.clientX - dialogHeaderEl.offsetLeft
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+ const disY = e.clientY - dialogHeaderEl.offsetTop
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+
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+ // 获取到的值带px 正则匹配替换
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+ let styL: any, styT: any
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+
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+ // 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
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+ if (sty.left.includes('%')) {
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+ styL = +document.body.clientWidth * (+sty.left.replace(/\\%/g, '') / 100)
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+ styT = +document.body.clientHeight * (+sty.top.replace(/\\%/g, '') / 100)
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+ } else {
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+ styL = +sty.left.replace(/\px/g, '')
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+ styT = +sty.top.replace(/\px/g, '')
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+ }
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+
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+ document.onmousemove = function (e) {
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+ // 通过事件委托，计算移动的距离
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+ const l = e.clientX - disX
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+ const t = e.clientY - disY
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+
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+ // 移动当前元素
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+ dragDom.style.left = `${l + styL}px`
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+ dragDom.style.top = `${t + styT}px`
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+
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+ // 将此时的位置传出去
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+ // binding.value({x:e.pageX,y:e.pageY})
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+ }
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+
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null
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+ document.onmouseup = null
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+ console.log('dragDom.style.left:', dragDom.style.left, dragDom.style.top)
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+ localStorage.setItem(
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+ localKeyMap.positions[bValue],
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+ JSON.stringify({
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+ left: dragDom.style.left || 0,
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+ top: dragDom.style.top || 0,
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+ })
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+ )
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+ }
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+ }
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+ dialogHeaderEl.onmousedown = moveDown
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+
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+ // 点击放大缩小效果
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+ // maxMin.onclick = setMaxMin
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+ // 双击头部效果
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+ // dialogHeaderEl.ondblclick = setMaxMin
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+ // 拉伸
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+ const resizeEl = document.createElement('div')
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+ dragDom.appendChild(resizeEl)
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+ // 在弹窗右下角加上一个10-10px的控制块
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+ resizeEl.style.cursor = 'se-resize'
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+ resizeEl.style.position = 'absolute'
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+ resizeEl.style.height = '10px'
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+ resizeEl.style.width = '10px'
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+ resizeEl.style.border = '3px solid transparent'
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+ resizeEl.style.borderRightColor = '#333'
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+ resizeEl.style.borderBottomColor = '#333'
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+ resizeEl.style.right = '0px'
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+ resizeEl.style.bottom = '0px'
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+ resizeEl.style.zIndex = '99'
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+ // 鼠标拉伸弹窗
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+ resizeEl.onmousedown = (e) => {
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+ // 记录初始x位置
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+ const clientX = e.clientX
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+ // 鼠标按下，计算当前元素距离可视区的距离
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+ const disX = e.clientX - resizeEl.offsetLeft
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+ const disY = e.clientY - resizeEl.offsetTop
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+ const iframeMask = document.getElementById('my-iframe-mask')
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+ if (iframeMask) {
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+ iframeMask.style.display = 'block'
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+ }
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+ document.onmousemove = function (e) {
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+ e.preventDefault() // 移动时禁用默认事件
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+ // 通过事件委托，计算移动的距离
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+ const x = e.clientX - disX + (e.clientX - clientX) // 这里 由于elementUI的dialog控制居中的，所以水平拉伸效果是双倍
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+ const y = e.clientY - disY
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+ // 比较是否小于最小宽高
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+ dragDom.style.width = x > minWidth ? `${x}px` : minWidth + 'px'
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+ dragDom.style.height = y > minHeight ? `${y}px` : minHeight + 'px'
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+ // dragDom.style.width = `${x}px`
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+ // dragDom.style.height = `${y}px`
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+ // if (!hasSetBodyHight) {
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+ // const footerHeight =
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+ // dragDom.querySelector('.el-dialog__footer') && dragDom.querySelector('.el-dialog__footer').offsetHeight
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+ // dragDom.querySelector('.el-dialog__body').style.height =
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+ // 'calc(100% - ' + (dialogHeaderEl.offsetHeight + footerHeight) + 'px)'
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+ // hasSetBodyHight = true
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+ // }
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+ }
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+ // 拉伸结束
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null
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+ document.onmouseup = null
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+ localStorage.setItem(
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+ localKeyMap.resize[bValue],
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+ JSON.stringify({
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+ width: dragDom.style.width || 'auto',
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+ height: dragDom.style.height || 'auto',
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+ })
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+ )
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+ el.dispatchEvent(resizeEvent)
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+ const iframeMask = document.getElementById('my-iframe-mask')
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+ if (iframeMask) {
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+ iframeMask.style.display = 'none'
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+ }
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+ }
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+ }
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+ },
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+}
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刘洋