From 64d172717748c383a5c88348037354bffd60f966 Mon Sep 17 00:00:00 2001 From: gaoluyang <2820782392@qq.com> Date: 星期二, 27 五月 2025 17:52:03 +0800 Subject: [PATCH] 页面样式修改 --- src/utils/scroll-to.js | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 58 insertions(+), 0 deletions(-) diff --git a/src/utils/scroll-to.js b/src/utils/scroll-to.js new file mode 100644 index 0000000..c5d8e04 --- /dev/null +++ b/src/utils/scroll-to.js @@ -0,0 +1,58 @@ +Math.easeInOutQuad = function(t, b, c, d) { + t /= d / 2 + if (t < 1) { + return c / 2 * t * t + b + } + t-- + return -c / 2 * (t * (t - 2) - 1) + b +} + +// requestAnimationFrame for Smart Animating http://goo.gl/sx5sts +var requestAnimFrame = (function() { + return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(callback) { window.setTimeout(callback, 1000 / 60) } +})() + +/** + * Because it's so fucking difficult to detect the scrolling element, just move them all + * @param {number} amount + */ +function move(amount) { + document.documentElement.scrollTop = amount + document.body.parentNode.scrollTop = amount + document.body.scrollTop = amount +} + +function position() { + return document.documentElement.scrollTop || document.body.parentNode.scrollTop || document.body.scrollTop +} + +/** + * @param {number} to + * @param {number} duration + * @param {Function} callback + */ +export function scrollTo(to, duration, callback) { + const start = position() + const change = to - start + const increment = 20 + let currentTime = 0 + duration = (typeof (duration) === 'undefined') ? 500 : duration + var animateScroll = function() { + // increment the time + currentTime += increment + // find the value with the quadratic in-out easing function + var val = Math.easeInOutQuad(currentTime, start, change, duration) + // move the document.body + move(val) + // do the animation unless its over + if (currentTime < duration) { + requestAnimFrame(animateScroll) + } else { + if (callback && typeof (callback) === 'function') { + // the animation is done so lets callback + callback() + } + } + } + animateScroll() +} -- Gitblit v1.9.3