提交 cbc5c182 编写于 作者: D dongsuo 提交者: 花裤衩

'代码格式化'

上级 5069a4d1
......@@ -10,102 +10,101 @@
</div>
</transition>
</template>
<script>
export default {
name: 'BackToTop',
props: {
visibilityHeight: {
type: Number,
default: 400
},
backPosition: {
type: Number,
default: 0
export default {
name: 'BackToTop',
props: {
visibilityHeight: {
type: Number,
default: 400
},
backPosition: {
type: Number,
default: 0
},
customStyle: {
type: Object,
default: {
right: '50px',
bottom: '50px',
width: '40px',
height: '40px',
'border-radius': '4px',
'line-height': '45px',
background: '#e7eaf1'
}
},
transitionName: {
type: String,
default: 'fade'
}
},
customStyle: {
type: Object,
default: {
right: '50px',
bottom: '50px',
width: '40px',
height: '40px',
'border-radius': '4px',
'line-height': '40px',
background: '#e7eaf1'
data() {
return {
visible: false,
interval: null
}
},
transitionName: {
type: String,
default: 'fade'
}
},
data() {
return {
visible: false,
interval: null
}
},
mounted() {
window.addEventListener('scroll', this.handleScroll);
},
beforeDestroy() {
window.removeEventListener('scroll', this.handleScroll);
if (this.interval) {
clearInterval(this.interval);
}
},
methods: {
handleScroll() {
this.visible = window.pageYOffset > this.visibilityHeight;
mounted() {
window.addEventListener('scroll', this.handleScroll);
},
backToTop() {
const start = window.pageYOffset;
let i = 0;
this.interval = setInterval(() => {
const next = Math.floor(this.easeInOutQuad(10 * i, start, -start, 500));
if (next <= this.backPosition) {
window.scrollTo(0, this.backPosition);
clearInterval(this.interval)
} else {
window.scrollTo(0, next);
}
i++;
}, 16.7)
beforeDestroy() {
window.removeEventListener('scroll', this.handleScroll);
if (this.interval) {
clearInterval(this.interval);
}
},
easeInOutQuad(t, b, c, d) {
if ((t /= d / 2) < 1) return c / 2 * t * t + b;
return -c / 2 * (--t * (t - 2) - 1) + b;
methods: {
handleScroll() {
this.visible = window.pageYOffset > this.visibilityHeight;
},
backToTop() {
const start = window.pageYOffset;
let i = 0;
this.interval = setInterval(() => {
const next = Math.floor(this.easeInOutQuad(10 * i, start, -start, 500));
if (next <= this.backPosition) {
window.scrollTo(0, this.backPosition);
clearInterval(this.interval)
} else {
window.scrollTo(0, next);
}
i++;
}, 16.7)
},
easeInOutQuad(t, b, c, d) {
if ((t /= d / 2) < 1) return c / 2 * t * t + b;
return -c / 2 * (--t * (t - 2) - 1) + b;
}
}
}
}
</script>
<style scoped>
.back-to-top {
position: fixed;
display: inline-block;
text-align: center;
cursor: pointer;
}
.back-to-top {
position: fixed;
display: inline-block;
text-align: center;
cursor: pointer;
}
.back-to-top:hover {
background: #d5dbe7;
}
.back-to-top:hover {
background: #d5dbe7;
}
.fade-enter-active,
.fade-leave-active {
transition: opacity .5s;
}
.fade-enter-active,
.fade-leave-active {
transition: opacity .5s;
}
.fade-enter,
.fade-leave-to {
opacity: 0
}
.fade-enter,
.fade-leave-to {
opacity: 0
}
.back-to-top .Icon {
fill: #9aaabf;
background: none;
}
.back-to-top .Icon {
fill: #9aaabf;
background: none;
}
</style>
<template>
<div class="components-container">
<code>页面滚动到指定位置会在右下角出现返回顶部按钮</code>
<code>可自定义按钮的样式、show/hide临界点、返回的位置
如需文字提示,可在外部使用Element的el-tooltip元素 </code>
<code>可自定义按钮的样式、show/hide临界点、返回的位置 如需文字提示,可在外部使用Element的el-tooltip元素 </code>
<div>我是占位</div>
<div>我是占位</div>
<div>我是占位</div>
......@@ -130,29 +129,27 @@
<!--可自定义按钮的样式、show/hide临界点、返回的位置 -->
<!--如需文字提示,可在外部添加element的<el-tooltip></el-tooltip>元素 -->
<el-tooltip placement="top" content="文字提示">
<back-to-top transitionName="fade" :customStyle="myBackToTopStyle" :visibilityHeight="300" :backPosition="50"></back-to-top>
<back-to-top transitionName="fade" :customStyle="myBackToTopStyle" :visibilityHeight="300" :backPosition="50"></back-to-top>
</el-tooltip>
</div>
</template>
<script>
import BackToTop from 'components/BackToTop';
export default {
components: { BackToTop },
data() {
return {
myBackToTopStyle: {
right: '50px',
bottom: '50px',
width: '40px',
height: '40px',
'border-radius': '4px',
'line-height': '40px', // 请保持与高度一致以垂直居中
background: '#e7eaf1'// 按钮的背景颜色
import BackToTop from 'components/BackToTop';
export default {
components: { BackToTop },
data() {
return {
myBackToTopStyle: {
right: '50px',
bottom: '50px',
width: '40px',
height: '40px',
'border-radius': '4px',
'line-height': '45px', // 请保持与高度一致以垂直居中
background: '#e7eaf1'// 按钮的背景颜色
}
}
}
}
}
</script>
<style scoped>
</style>
</script>
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