oms init

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.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.js

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+import './waves.css'
+
+export default{
+  bind(el, binding) {
+    el.addEventListener('click', 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.body.scrollTop) + 'px'
+            ripple.style.left = (e.pageX - rect.left - ripple.offsetWidth / 2 - document.body.scrollLeft) + 'px'
+        }
+        ripple.style.backgroundColor = opts.color
+        ripple.className = 'waves-ripple z-active'
+        return false
+      }
+    }, false)
+  }
+}
+