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src/directive/el-drag-dialog/drag.js

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+export default {
+  bind(el, binding, vnode) {
+    const dialogHeaderEl = el.querySelector('.el-dialog__header')
+    const dragDom = el.querySelector('.el-dialog')
+    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 getStyle = (function() {
+      if (window.document.currentStyle) {
+        return (dom, attr) => dom.currentStyle[attr]
+      } else {
+        return (dom, attr) => getComputedStyle(dom, false)[attr]
+      }
+    })()
+
+    dialogHeaderEl.onmousedown = (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 dragDomWidth = dragDom.offsetWidth
+      const dragDomHeight = dragDom.offsetHeight
+
+      const screenWidth = document.body.clientWidth
+      const screenHeight = document.body.clientHeight
+
+      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 = getStyle(dragDom, 'left')
+      let styT = getStyle(dragDom, 'top')
+
+      if (styL.includes('%')) {
+        styL = +document.body.clientWidth * (+styL.replace(/\%/g, '') / 100)
+        styT = +document.body.clientHeight * (+styT.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;`
+
+        // emit onDrag event
+        vnode.child.$emit('dragDialog')
+      }
+
+      document.onmouseup = function(e) {
+        document.onmousemove = null
+        document.onmouseup = null
+      }
+    }
+  }
+}

src/directive/el-drag-dialog/index.js

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+import drag from './drag'
+
+const install = function(Vue) {
+  Vue.directive('el-drag-dialog', drag)
+}
+
+if (window.Vue) {
+  window['el-drag-dialog'] = drag
+  Vue.use(install); // eslint-disable-line
+}
+
+drag.install = install
+export default drag

src/directive/el-table/adaptive.js

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+import { addResizeListener, removeResizeListener } from 'element-ui/src/utils/resize-event'
+
+/**
+ * How to use
+ * <el-table height="100px" v-el-height-adaptive-table="{bottomOffset: 30}">...</el-table>
+ * el-table height is must be set
+ * bottomOffset: 30(default)   // The height of the table from the bottom of the page.
+ */
+
+const doResize = (el, binding, vnode) => {
+  const { componentInstance: $table } = vnode
+
+  const { value } = binding
+
+  if (!$table.height) {
+    throw new Error(`el-$table must set the height. Such as height='100px'`)
+  }
+  const bottomOffset = (value && value.bottomOffset) || 30
+
+  if (!$table) return
+
+  const height = window.innerHeight - el.getBoundingClientRect().top - bottomOffset
+  $table.layout.setHeight(height)
+  $table.doLayout()
+}
+
+export default {
+  bind(el, binding, vnode) {
+    el.resizeListener = () => {
+      doResize(el, binding, vnode)
+    }
+    // parameter 1 is must be "Element" type
+    addResizeListener(window.document.body, el.resizeListener)
+  },
+  inserted(el, binding, vnode) {
+    doResize(el, binding, vnode)
+  },
+  unbind(el) {
+    removeResizeListener(window.document.body, el.resizeListener)
+  }
+}

src/directive/el-table/index.js

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+import adaptive from './adaptive'
+
+const install = function(Vue) {
+  Vue.directive('el-height-adaptive-table', adaptive)
+}
+
+if (window.Vue) {
+  window['el-height-adaptive-table'] = adaptive
+  Vue.use(install); // eslint-disable-line
+}
+
+adaptive.install = install
+export default adaptive

src/directive/permission/index.js

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+import permission from './permission'
+import permisaction from './permisaction'
+
+const install = function(Vue) {
+  Vue.directive('permission', permission)
+  Vue.directive('permisaction', permisaction)
+}
+
+if (window.Vue) {
+  window['permission'] = permission
+  window['permisaction'] = permisaction
+  // eslint-disable-next-line no-undef
+  Vue.use(install)
+}
+
+permission.install = install
+export default permission

src/directive/permission/permisaction.js

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+import store from '@/store'
+
+export default {
+  inserted(el, binding, vnode) {
+    const { value } = binding
+    const all_permission = '*:*:*'
+    const permissions = store.getters && store.getters.permisaction
+
+    if (value && value instanceof Array && value.length > 0) {
+      const permissionFlag = value
+
+      const hasPermissions = permissions.some(permission => {
+        return all_permission === permission || permissionFlag.includes(permission)
+      })
+
+      if (!hasPermissions) {
+        el.parentNode && el.parentNode.removeChild(el)
+      }
+    } else {
+      throw new Error(`请设置操作权限标签值`)
+    }
+  }
+}

src/directive/permission/permission.js

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+import store from '@/store'
+
+export default {
+  inserted(el, binding, vnode) {
+    const { value } = binding
+    const roles = store.getters && store.getters.roles
+
+    if (value && value instanceof Array && value.length > 0) {
+      const permissionRoles = value
+
+      const hasPermission = roles.some(role => {
+        return permissionRoles.includes(role)
+      })
+
+      if (!hasPermission) {
+        el.parentNode && el.parentNode.removeChild(el)
+      }
+    } else {
+      throw new Error(`need roles! Like v-permission="['admin','editor']"`)
+    }
+  }
+}

src/directive/sticky.js

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+const vueSticky = {}
+let listenAction
+vueSticky.install = Vue => {
+  Vue.directive('sticky', {
+    inserted(el, binding) {
+      const params = binding.value || {}
+      const stickyTop = params.stickyTop || 0
+      const zIndex = params.zIndex || 1000
+      const elStyle = el.style
+
+      elStyle.position = '-webkit-sticky'
+      elStyle.position = 'sticky'
+      // if the browser support css sticky（Currently Safari, Firefox and Chrome Canary）
+      // if (~elStyle.position.indexOf('sticky')) {
+      //     elStyle.top = `${stickyTop}px`;
+      //     elStyle.zIndex = zIndex;
+      //     return
+      // }
+      const elHeight = el.getBoundingClientRect().height
+      const elWidth = el.getBoundingClientRect().width
+      elStyle.cssText = `top: ${stickyTop}px; z-index: ${zIndex}`
+
+      const parentElm = el.parentNode || document.documentElement
+      const placeholder = document.createElement('div')
+      placeholder.style.display = 'none'
+      placeholder.style.width = `${elWidth}px`
+      placeholder.style.height = `${elHeight}px`
+      parentElm.insertBefore(placeholder, el)
+
+      let active = false
+
+      const getScroll = (target, top) => {
+        const prop = top ? 'pageYOffset' : 'pageXOffset'
+        const method = top ? 'scrollTop' : 'scrollLeft'
+        let ret = target[prop]
+        if (typeof ret !== 'number') {
+          ret = window.document.documentElement[method]
+        }
+        return ret
+      }
+
+      const sticky = () => {
+        if (active) {
+          return
+        }
+        if (!elStyle.height) {
+          elStyle.height = `${el.offsetHeight}px`
+        }
+
+        elStyle.position = 'fixed'
+        elStyle.width = `${elWidth}px`
+        placeholder.style.display = 'inline-block'
+        active = true
+      }
+
+      const reset = () => {
+        if (!active) {
+          return
+        }
+
+        elStyle.position = ''
+        placeholder.style.display = 'none'
+        active = false
+      }
+
+      const check = () => {
+        const scrollTop = getScroll(window, true)
+        const offsetTop = el.getBoundingClientRect().top
+        if (offsetTop < stickyTop) {
+          sticky()
+        } else {
+          if (scrollTop < elHeight + stickyTop) {
+            reset()
+          }
+        }
+      }
+      listenAction = () => {
+        check()
+      }
+
+      window.addEventListener('scroll', listenAction)
+    },
+
+    unbind() {
+      window.removeEventListener('scroll', listenAction)
+    }
+  })
+}
+
+export default vueSticky
+

src/directive/waves/index.js

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+import waves from './waves'
+
+const install = function(Vue) {
+  Vue.directive('waves', waves)
+}
+
+if (window.Vue) {
+  window.waves = waves
+  Vue.use(install); // eslint-disable-line
+}
+
+waves.install = install
+export default waves

src/directive/waves/waves.css

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+.waves-ripple {
+    position: absolute;
+    border-radius: 100%;
+    background-color: rgba(0, 0, 0, 0.15);
+    background-clip: padding-box;
+    pointer-events: none;
+    -webkit-user-select: none;
+    -moz-user-select: none;
+    -ms-user-select: none;
+    user-select: none;
+    -webkit-transform: scale(0);
+    -ms-transform: scale(0);
+    transform: scale(0);
+    opacity: 1;
+}
+
+.waves-ripple.z-active {
+    opacity: 0;
+    -webkit-transform: scale(2);
+    -ms-transform: scale(2);
+    transform: scale(2);
+    -webkit-transition: opacity 1.2s ease-out, -webkit-transform 0.6s ease-out;
+    transition: opacity 1.2s ease-out, -webkit-transform 0.6s ease-out;
+    transition: opacity 1.2s ease-out, transform 0.6s ease-out;
+    transition: opacity 1.2s ease-out, transform 0.6s ease-out, -webkit-transform 0.6s ease-out;
+}

src/directive/waves/waves.js

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+import './waves.css'
+
+const context = '@@wavesContext'
+
+function handleClick(el, binding) {
+  function handle(e) {
+    const customOpts = Object.assign({}, binding.value)
+    const opts = Object.assign({
+      ele: el, // 波纹作用元素
+      type: 'hit', // hit 点击位置扩散 center中心点扩展
+      color: 'rgba(0, 0, 0, 0.15)' // 波纹颜色
+    },
+    customOpts
+    )
+    const target = opts.ele
+    if (target) {
+      target.style.position = 'relative'
+      target.style.overflow = 'hidden'
+      const rect = target.getBoundingClientRect()
+      let ripple = target.querySelector('.waves-ripple')
+      if (!ripple) {
+        ripple = document.createElement('span')
+        ripple.className = 'waves-ripple'
+        ripple.style.height = ripple.style.width = Math.max(rect.width, rect.height) + 'px'
+        target.appendChild(ripple)
+      } else {
+        ripple.className = 'waves-ripple'
+      }
+      switch (opts.type) {
+        case 'center':
+          ripple.style.top = rect.height / 2 - ripple.offsetHeight / 2 + 'px'
+          ripple.style.left = rect.width / 2 - ripple.offsetWidth / 2 + 'px'
+          break
+        default:
+          ripple.style.top =
+            (e.pageY - rect.top - ripple.offsetHeight / 2 - document.documentElement.scrollTop ||
+              document.body.scrollTop) + 'px'
+          ripple.style.left =
+            (e.pageX - rect.left - ripple.offsetWidth / 2 - document.documentElement.scrollLeft ||
+              document.body.scrollLeft) + 'px'
+      }
+      ripple.style.backgroundColor = opts.color
+      ripple.className = 'waves-ripple z-active'
+      return false
+    }
+  }
+
+  if (!el[context]) {
+    el[context] = {
+      removeHandle: handle
+    }
+  } else {
+    el[context].removeHandle = handle
+  }
+
+  return handle
+}
+
+export default {
+  bind(el, binding) {
+    el.addEventListener('click', handleClick(el, binding), false)
+  },
+  update(el, binding) {
+    el.removeEventListener('click', el[context].removeHandle, false)
+    el.addEventListener('click', handleClick(el, binding), false)
+  },
+  unbind(el) {
+    el.removeEventListener('click', el[context].removeHandle, false)
+    el[context] = null
+    delete el[context]
+  }
+}