From 3f0d3ffb8a64b7eff32cde91a0ab13922a2a3729 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期四, 28 十月 2021 09:40:02 +0800
Subject: [PATCH] Merge branch 'master' of https://gitee.com/y_project/RuoYi-Vue into dev
---
ruoyi-ui/src/utils/scroll-to.js | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 58 insertions(+), 0 deletions(-)
diff --git a/ruoyi-ui/src/utils/scroll-to.js b/ruoyi-ui/src/utils/scroll-to.js
new file mode 100644
index 0000000..c5d8e04
--- /dev/null
+++ b/ruoyi-ui/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()
+}
--
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