!31 update src/component/noticeBar/index.vue.
Merge pull request !31 from cool314156/N/A
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就眠儀式
Gitee
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<template>
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<div class="notice-bar" :style="{ background, height: `${height}px` }" v-show="!isMode">
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<div class="notice-bar-warp" :style="{ color, fontSize: `${size}px` }">
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<lay-icon v-if="leftIcon" class="notice-bar-warp-left-icon" :type="leftIcon"></lay-icon>
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<div class="notice-bar-warp-text-box" ref="noticeBarWarpRef">
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<div class="notice-bar-warp-text" ref="noticeBarTextRef" v-if="!scrollable">{{ text }}</div>
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<div class="notice-bar-warp-slot" v-else><slot /></div>
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</div>
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<lay-icon :type="rightIcon" v-if="rightIcon" class="notice-bar-warp-right-icon" @click="onRightIconClick"></lay-icon>
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</div>
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</div>
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</template>
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<script lang="ts">
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import { toRefs, reactive, defineComponent, ref, onMounted, nextTick } from 'vue';
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export default defineComponent({
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name: 'noticeBar',
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props: {
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// 通知栏模式，可选值为 closeable link
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mode: {
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type: String,
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default: () => '',
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},
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// 通知文本内容
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text: {
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type: String,
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default: () => '',
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},
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// 通知文本颜色
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color: {
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type: String,
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default: () => 'var(--color-warning)',
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},
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// 通知背景色
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background: {
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type: String,
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default: () => 'var(--color-warning-light-9)',
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},
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// 字体大小，单位px
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size: {
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type: [Number, String],
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default: () => 14,
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},
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// 通知栏高度，单位px
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height: {
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type: Number,
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default: () => 40,
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},
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// 动画延迟时间 (s)
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delay: {
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type: Number,
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default: () => 1,
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},
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// 滚动速率 (px/s)
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speed: {
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type: Number,
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default: () => 100,
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},
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// 是否开启垂直滚动
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scrollable: {
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type: Boolean,
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default: () => false,
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},
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// 自定义左侧图标
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leftIcon: {
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type: String,
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default: () => '',
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},
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// 自定义右侧图标
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rightIcon: {
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type: String,
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default: () => '',
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},
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},
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setup(props, { emit }) {
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const noticeBarWarpRef = ref();
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const noticeBarTextRef = ref();
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const state = reactive({
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order: 1,
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oneTime: 0,
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twoTime: 0,
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warpOWidth: 0,
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textOWidth: 0,
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isMode: false,
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});
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// 初始化 animation 各项参数
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const initAnimation = () => {
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nextTick(() => {
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state.warpOWidth = noticeBarWarpRef.value.offsetWidth;
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state.textOWidth = noticeBarTextRef.value.offsetWidth;
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document.styleSheets[0].insertRule(`@keyframes oneAnimation {0% {left: 0px;} 100% {left: -${state.textOWidth}px;}}`);
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document.styleSheets[0].insertRule(`@keyframes twoAnimation {0% {left: ${state.warpOWidth}px;} 100% {left: -${state.textOWidth}px;}}`);
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computeAnimationTime();
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setTimeout(() => {
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changeAnimation();
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}, props.delay * 1000);
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});
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};
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// 计算 animation 滚动时长
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const computeAnimationTime = () => {
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state.oneTime = state.textOWidth / props.speed;
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state.twoTime = (state.textOWidth + state.warpOWidth) / props.speed;
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};
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// 改变 animation 动画调用
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const changeAnimation = () => {
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if (state.order === 1) {
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noticeBarTextRef.value.style.cssText = `animation: oneAnimation ${state.oneTime}s linear; opactity: 1;}`;
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state.order = 2;
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} else {
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noticeBarTextRef.value.style.cssText = `animation: twoAnimation ${state.twoTime}s linear infinite; opacity: 1;`;
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}
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};
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// 监听 animation 动画的结束
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const listenerAnimationend = () => {
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noticeBarTextRef.value.addEventListener(
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'animationend',
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() => {
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changeAnimation();
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},
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false
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);
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};
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// 右侧 icon 图标点击
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const onRightIconClick = () => {
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if (!props.mode) return false;
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if (props.mode === 'closeable') {
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state.isMode = true;
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emit('close');
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} else if (props.mode === 'link') {
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emit('link');
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}
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};
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// 页面加载时
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onMounted(() => {
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if (props.scrollable) return false;
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initAnimation();
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listenerAnimationend();
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});
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return {
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noticeBarWarpRef,
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noticeBarTextRef,
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onRightIconClick,
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...toRefs(state),
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};
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},
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});
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</script>
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<style>
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.notice-bar {
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padding: 0 15px;
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width: 100%;
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border-radius: 4px;
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}
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.notice-bar .notice-bar-warp {
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display: flex;
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align-items: center;
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width: 100%;
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height: inherit;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-text-box {
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flex: 1;
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height: inherit;
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display: flex;
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align-items: center;
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overflow: hidden;
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position: relative;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-text-box .notice-bar-warp-text {
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white-space: nowrap;
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position: absolute;
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left: 0;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-text-box .notice-bar-warp-slot {
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width: 100%;
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white-space: nowrap;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-text-box .notice-bar-warp-slot ::v-deep(.el-carousel__item) {
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display: flex;
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align-items: center;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-left-icon {
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width: 24px;
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font-size: inherit !important;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-right-icon {
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width: 24px;
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text-align: right;
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font-size: inherit !important;
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}
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.notice-bar .notice-bar-warp .notice-bar-warp-right-icon:hover {
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cursor: pointer;
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}
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</style>
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