268 lines
6.2 KiB
Vue
268 lines
6.2 KiB
Vue
<template>
|
||
<view
|
||
v-if="show"
|
||
class="u-notice-bar"
|
||
:style="{
|
||
background: computeBgColor,
|
||
padding: padding
|
||
}"
|
||
:class="[
|
||
type ? `u-type-${type}-light-bg` : ''
|
||
]"
|
||
>
|
||
<view class="u-direction-row">
|
||
<view class="u-icon-wrap">
|
||
<u-icon class="u-left-icon" v-if="volumeIcon" name="volume-fill" :size="volumeSize" :color="computeColor"></u-icon>
|
||
</view>
|
||
<view class="u-notice-box" id="u-notice-box">
|
||
<view
|
||
class="u-notice-content"
|
||
id="u-notice-content"
|
||
:style="{
|
||
animationDuration: animationDuration,
|
||
animationPlayState: animationPlayState,
|
||
}"
|
||
>
|
||
<text class="u-notice-text" @tap="click" :style="[textStyle]"
|
||
:class="['u-type-' + type]">{{showText}}</text>
|
||
</view>
|
||
</view>
|
||
<view class="u-icon-wrap">
|
||
<u-icon @click="getMore" class="u-right-icon" v-if="moreIcon" name="arrow-right" :size="26" :color="computeColor"></u-icon>
|
||
<u-icon @click="close" class="u-right-icon" v-if="closeIcon" name="close" :size="24" :color="computeColor"></u-icon>
|
||
</view>
|
||
</view>
|
||
</view>
|
||
</template>
|
||
<script>
|
||
export default {
|
||
props: {
|
||
// 显示的内容，数组
|
||
list: {
|
||
type: Array,
|
||
default() {
|
||
return [];
|
||
}
|
||
},
|
||
// 显示的主题，success|error|primary|info|warning|none
|
||
// none主题默认为透明背景，黑色(contentColor)字体
|
||
type: {
|
||
type: String,
|
||
default: 'warning'
|
||
},
|
||
// 是否显示左侧的音量图标
|
||
volumeIcon: {
|
||
type: Boolean,
|
||
default: true
|
||
},
|
||
// 是否显示右侧的右箭头图标
|
||
moreIcon: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
// 是否显示右侧的关闭图标
|
||
closeIcon: {
|
||
type: Boolean,
|
||
default: false
|
||
},
|
||
// 是否自动播放
|
||
autoplay: {
|
||
type: Boolean,
|
||
default: true
|
||
},
|
||
// 文字颜色，各图标也会使用文字颜色
|
||
color: {
|
||
type: String,
|
||
default: ''
|
||
},
|
||
// 背景颜色
|
||
bgColor: {
|
||
type: String,
|
||
default: ''
|
||
},
|
||
// 是否显示
|
||
show: {
|
||
type: Boolean,
|
||
default: true
|
||
},
|
||
// 字体大小，单位rpx
|
||
fontSize: {
|
||
type: [Number, String],
|
||
default: 26
|
||
},
|
||
// 音量喇叭的大小
|
||
volumeSize: {
|
||
type: [Number, String],
|
||
default: 34
|
||
},
|
||
// 水平滚动时的滚动速度，即每秒滚动多少rpx，这有利于控制文字无论多少时，都能有一个恒定的速度
|
||
speed: {
|
||
type: [Number, String],
|
||
default: 160
|
||
},
|
||
// 播放状态，play-播放，paused-暂停
|
||
playState: {
|
||
type: String,
|
||
default: 'play'
|
||
},
|
||
// 通知的边距
|
||
padding: {
|
||
type: [Number, String],
|
||
default: '18rpx 24rpx'
|
||
}
|
||
},
|
||
data() {
|
||
return {
|
||
textWidth: 0, // 滚动的文字宽度
|
||
boxWidth: 0, // 供文字滚动的父盒子的宽度，和前者一起为了计算滚动速度
|
||
animationDuration: '10s', // 动画执行时间
|
||
animationPlayState: 'paused', // 动画的开始和结束执行
|
||
showText: '' // 显示的文本
|
||
};
|
||
},
|
||
watch: {
|
||
list: {
|
||
immediate: true,
|
||
handler(val) {
|
||
this.showText = val.join('，');
|
||
this.$nextTick(() => {
|
||
this.initSize();
|
||
});
|
||
}
|
||
},
|
||
playState(val) {
|
||
if(val == 'play') this.animationPlayState = 'running';
|
||
else this.animationPlayState = 'paused';
|
||
},
|
||
speed(val) {
|
||
this.initSize();
|
||
}
|
||
},
|
||
computed: {
|
||
// 计算字体颜色，如果没有自定义的，就用uview主题颜色
|
||
computeColor() {
|
||
if (this.color) return this.color;
|
||
// 如果是无主题，就默认使用content-color
|
||
else if(this.type == 'none') return '#606266';
|
||
else return this.type;
|
||
},
|
||
// 文字内容的样式
|
||
textStyle() {
|
||
let style = {};
|
||
if (this.color) style.color = this.color;
|
||
else if(this.type == 'none') style.color = '#606266';
|
||
style.fontSize = this.fontSize + 'rpx';
|
||
return style;
|
||
},
|
||
// 计算背景颜色
|
||
computeBgColor() {
|
||
if (this.bgColor) return this.bgColor;
|
||
else if(this.type == 'none') return 'transparent';
|
||
}
|
||
},
|
||
mounted() {
|
||
this.$nextTick(() => {
|
||
this.initSize();
|
||
});
|
||
},
|
||
methods: {
|
||
initSize() {
|
||
let query = [],
|
||
boxWidth = 0,
|
||
textWidth = 0;
|
||
let textQuery = new Promise((resolve, reject) => {
|
||
uni.createSelectorQuery()
|
||
.in(this)
|
||
.select(`#u-notice-content`)
|
||
.boundingClientRect()
|
||
.exec(ret => {
|
||
this.textWidth = ret[0].width;
|
||
resolve();
|
||
});
|
||
});
|
||
query.push(textQuery);
|
||
Promise.all(query).then(() => {
|
||
// 根据t=s/v(时间=路程/速度)，这里为何不需要加上#u-notice-box的宽度，因为中设置了.u-notice-content样式中设置了padding-left: 100%
|
||
// 恰巧计算出来的结果中已经包含了#u-notice-box的宽度
|
||
this.animationDuration = `${this.textWidth / uni.upx2px(this.speed)}s`;
|
||
// 这里必须这样开始动画，否则在APP上动画速度不会改变(HX版本2.4.6，IOS13)
|
||
this.animationPlayState = 'paused';
|
||
setTimeout(() => {
|
||
if(this.playState == 'play' && this.autoplay) this.animationPlayState = 'running';
|
||
}, 10);
|
||
});
|
||
},
|
||
// 点击通告栏
|
||
click(index) {
|
||
this.$emit('click');
|
||
},
|
||
// 点击关闭按钮
|
||
close() {
|
||
this.$emit('close');
|
||
},
|
||
// 点击更多箭头按钮
|
||
getMore() {
|
||
this.$emit('getMore');
|
||
}
|
||
}
|
||
};
|
||
</script>
|
||
|
||
<style lang="scss" scoped>
|
||
@import "../../libs/css/style.components.scss";
|
||
|
||
.u-notice-bar {
|
||
padding: 18rpx 24rpx;
|
||
overflow: hidden;
|
||
}
|
||
|
||
.u-direction-row {
|
||
display: flex;
|
||
align-items: center;
|
||
justify-content: space-between;
|
||
}
|
||
|
||
.u-left-icon {
|
||
display: inline-flex;
|
||
align-items: center;
|
||
}
|
||
|
||
.u-notice-box {
|
||
flex: 1;
|
||
display: flex;
|
||
overflow: hidden;
|
||
margin-left: 12rpx;
|
||
}
|
||
|
||
.u-right-icon {
|
||
margin-left: 12rpx;
|
||
display: inline-flex;
|
||
align-items: center;
|
||
}
|
||
|
||
.u-notice-content {
|
||
animation: u-loop-animation 10s linear infinite both;
|
||
text-align: right;
|
||
// 这一句很重要，为了能让滚动左右连接起来
|
||
padding-left: 100%;
|
||
display: flex;
|
||
flex-wrap: nowrap;
|
||
}
|
||
|
||
.u-notice-text {
|
||
font-size: 26rpx;
|
||
word-break: keep-all;
|
||
white-space: nowrap
|
||
}
|
||
|
||
@keyframes u-loop-animation {
|
||
0% {
|
||
transform: translate3d(0, 0, 0);
|
||
}
|
||
|
||
100% {
|
||
transform: translate3d(-100%, 0, 0);
|
||
}
|
||
}
|
||
</style>
|