vue移动端按钮点击水波纹效果

Vue.directive('waves', { 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: 'center', // hit点击位置扩散center中心点扩展 color: 'rgba(0, 0, 0, 0.15)', // 波纹颜色 isforbiden: false, //是否禁止触发波纹效果 }, customOpts); if (opts.isdefult) { return; } const target = opts.ele; if (target) { target.style.position = 'relative'; target.style.overflow = 'hidden'; // const rect = target.getBoundingClientRect(); const rect = getClientReat(target); 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); } });     // css设置 .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 0.5s ease-out, -webkit-transform 0.6s ease-out; transition: opacity 0.5s ease-out, -webkit-transform 0.6s ease-out; transition: opacity 0.5s ease-out, transform 0.6s ease-out; transition: opacity 0.5s ease-out, transform 0.6s ease-out, -webkit-transform 0.6s ease-out; }
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