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- /**
- * 点击波纹效果
- *
- * @param {[event]} e [description]
- * @param {[Object]} arg_opts [description]
- * @return {[bollean]} [description]
- */
- export default function(e, arg_opts) {
- var opts = Object.assign({
- ele: e.target, // 波纹作用元素
- type: 'hit', // hit点击位置扩散center中心点扩展
- bgc: 'rgba(0, 0, 0, 0.15)' // 波纹颜色
- }, arg_opts)
- var target = opts.ele
- if (target) {
- var rect = target.getBoundingClientRect()
- var ripple = target.querySelector('.e-ripple')
- if (!ripple) {
- ripple = document.createElement('span')
- ripple.className = 'e-ripple'
- ripple.style.height = ripple.style.width = Math.max(rect.width, rect.height) + 'px'
- target.appendChild(ripple)
- } else {
- ripple.className = 'e-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.bgc
- ripple.className = 'e-ripple z-active'
- return false
- }
- }
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