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<template>
<view>
<uni-card :is-shadow="false" is-full>
<text class="uni-h6">此示例展示了聊天列表的使用场景</text>
</uni-card>
<uni-section title="圆头像且不显示分割线" type="line">
<uni-list :border="false">
<uni-list-chat v-for="item in listData" :avatar-circle="true" :key="item.id" :title="item.author_name" :avatar="item.cover"
:note="item.title" :time="item.published_at" :clickable="false"></uni-list-chat>
</uni-list>
</uni-section>
<uni-section title="带圆点" type="line">
<uni-list>
<uni-list-chat v-for="item in listData" :key="item.id" :title="item.author_name" :avatar="item.cover" :note="item.title"
:time="item.published_at" :badge-text="item.text" :clickable="false" badge-positon="left" badge-text="dot"></uni-list-chat>
</uni-list>
</uni-section>
<uni-section title="自定义右侧内容" type="line">
<uni-list>
<uni-list-chat v-for="item in listData" :key="item.id" :title="item.author_name" :avatar="item.cover" :note="item.title"
badge-positon="left" :badge-text="item.text">
<view class="chat-custom-right">
<text class="chat-custom-text">刚刚</text>
<uni-icons type="star-filled" color="#999" size="18"></uni-icons>
</view>
</uni-list-chat>
</uni-list>
</uni-section>
<uni-section title="带通知角标的单头像聊天列表" type="line">
<uni-list>
<uni-list-chat v-for="item in listData" :key="item.id" :title="item.author_name" :avatar="item.cover" :note="item.title"
:time="item.published_at" :clickable="true" :badge-text="item.text" @click="onClick"></uni-list-chat>
</uni-list>
</uni-section>
<uni-section title="带通知角标的多头像聊天列表" type="line">
<uni-list>
<uni-list-chat v-for="(item,index) in listData" :key="item.id" :title="item.author_name" :avatar="item.cover" :note="item.title"
:time="item.published_at" :clickable="true" :avatarList="avatar(index+1)" :badge-text="item.text" @click="onClick"></uni-list-chat>
</uni-list>
</uni-section>
</view>
</template>
<script>
export default {
components: {},
data() {
return {
UNITS: {
'年': 31557600000,
'月': 2629800000,
'天': 86400000,
'小时': 3600000,
'分钟': 60000,
'秒': 1000
},
listData: [],
avatarList: [{
url: '/static/logo.png'
}, {
url: '/static/logo.png'
}, {
url: '/static/logo.png'
}]
}
},
onLoad() {
this.getList()
},
methods: {
onClick() {
uni.showToast({
title: '列表被点击'
})
},
avatar(count) {
let arr = []
this.avatarList.forEach((item, index) => {
if (index < count) {
arr.push(item)
}
})
return arr
},
getList() {
var data = {
column: 'id,post_id,title,author_name,cover,published_at' //需要的字段名
};
uni.request({
url: 'https://unidemo.dcloud.net.cn/api/news',
data: data,
success: data => {
if (data.statusCode == 200) {
let list = this.setTime(data.data);
list = this.reload ? list : this.listData.concat(list);
list.map(item => {
item.text = Math.floor(Math.random() * (1 - 20) + 20)
return item
})
this.listData = this.getRandomArrayElements(list, 3)
}
},
fail: (data, code) => {
console.log('fail' + JSON.stringify(data));
}
});
},
getRandomArrayElements(arr, count) {
var shuffled = arr.slice(0),
i = arr.length,
min = i - count,
temp, index;
while (i-- > min) {
index = Math.floor((i + 1) * Math.random());
temp = shuffled[index];
shuffled[index] = shuffled[i];
shuffled[i] = temp;
}
return shuffled.slice(min);
},
setTime(items) {
var newItems = [];
items.forEach(e => {
newItems.push({
author_name: e.author_name,
cover: e.cover,
id: e.id,
post_id: e.post_id,
published_at: this.format(e.published_at),
title: e.title
});
});
return newItems;
},
format(dateStr) {
var date = this.parse(dateStr)
var diff = Date.now() - date.getTime();
if (diff < this.UNITS['天']) {
return this.humanize(diff);
}
var _format = function(number) {
return (number < 10 ? ('0' + number) : number);
};
return date.getFullYear() + '-' + _format(date.getMonth() + 1) + '-' + _format(date.getDate()) + ' ' +
_format(date.getHours()) + ':' + _format(date.getMinutes());
},
parse(str) { //将"yyyy-mm-dd HH:MM:ss"格式的字符串,转化为一个Date对象
var a = str.split(/[^0-9]/);
return new Date(a[0], a[1] - 1, a[2], a[3], a[4], a[5]);
},
}
}
</script>
<style lang="scss" >
.chat-custom-right {
flex: 1;
/* #ifndef APP-NVUE */
display: flex;
/* #endif */
flex-direction: column;
justify-content: space-between;
align-items: flex-end;
}
.chat-custom-text {
font-size: 12px;
color: #999;
}
</style>