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84 lines
1.8 KiB
84 lines
1.8 KiB
<template>
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<!-- 返回顶部 -->
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<view class="toTop_M">
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<view class="btn" @tap="toTop" :style="{'display':(toTopFlag === false ? 'none' : 'block')}">
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<uni-icons class="list-menu-icon" custom-prefix="iconfont" :type="'icon-shouye'" size="20" :color="iconColor"></uni-icons>
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</view>
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</view>
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</template>
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<script>
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import UniIcons from "../../uni_modules/uni-icons/components/uni-icons/uni-icons";
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export default {
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name: "toTop",
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//import引入的组件需要注入到对象中才能使用
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components: {UniIcons},
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//混合封装的属性和方法
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mixins: [],
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//组件传入的属性
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props: {
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toTopFlag: {
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type: Boolean,
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default: false
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},
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toTop: {
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type: Function,
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default: () => {}
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}
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},
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data() {
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//这里存放数据
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return {
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iconColor: '#1a94bc',
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};
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},
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//计算属性 类似于data概念
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computed: {},
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//监控data中的数据变化
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watch: {},
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//方法集合
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methods: {
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},
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created() {
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}, //生命周期 - 创建完成（可以访问当前this实例）
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mounted() {
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}, //生命周期 - 挂载完成（可以访问DOM元素）
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beforeCreate() {
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}, //生命周期 - 创建之前
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beforeMount() {
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}, //生命周期 - 挂载之前
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beforeUpdate() {
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}, //生命周期 - 更新之前
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updated() {
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}, //生命周期 - 更新之后
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beforeDestroy() {
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}, //生命周期 - 销毁之前
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destroyed() {
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}, //生命周期 - 销毁完成
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activated() {
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} //如果页面有keep-alive缓存功能，这个函数会触发
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}
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</script>
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<style scoped lang="scss">
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.toTop_M {
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.btn {
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position: fixed;
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z-index: 9999;
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right: 32rpx;
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bottom: 200rpx;
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background-color: $uni-white;
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padding: 10rpx;
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display: none;
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border-radius: 10rpx;
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}
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.btn .cuIcon-top {
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font-size: 30px;
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color: #FFFFFF;
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}
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}
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</style>
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