tall小程序和时间轴结合在小程序中
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<template>
<!-- 时间间隔栏 -->
<!-- <Barrier /> -->
<scroll-view
:lower-threshold="300"
scroll-y="true"
:upper-threshold="300"
:scroll-into-view="viewId"
@scroll="scroll"
@scrolltolower="handleScrollBottom"
@scrolltoupper="handleScrollTop"
id="scroll"
>
<!-- 时间轴 -->
<!-- <u-divider bg-color="#f3f4f6" class="pt-5" fontSize="14px" v-if="topEnd">到顶啦</u-divider> -->
<TimeBox />
<!-- <u-divider bg-color="#f3f4f6" class="pb-5" fontSize="14px" v-if="bottomEnd">到底啦</u-divider> -->
</scroll-view>
</template>
<script>
// import Barrier from './component/Barrier.vue';
import { mapState, mapMutations, mapGetters } from 'vuex';
import TimeBox from './component/TimeBox.vue';
import mixin from '@/mixins/timeline';
export default {
name: 'TimeLine',
components: { TimeBox },
mixins: [mixin],
data() {
return {
top: 0,
viewId: '', // 距离顶部的距离
};
},
computed: {
...mapState('role', ['visibleRoles']),
...mapState('task', ['scrollTop', 'showTips', 'tasks', 'topEnd', 'bottomEnd', 'showSkeleton', 'timeNode']),
...mapGetters('task', ['timeGranularity']),
},
methods: {
...mapMutations('task', ['setScrollTop', 'setShrink', 'setUpTasks', 'setDownTasks']),
// 滚动
scroll(e) {
this.top = e.detail.scrollTop;
this.setShrink(this.top > this.scrollTop);
this.setScrollTop(this.top);
},
// 滚动到顶部
async handleScrollTop() {
if (!this.tasks || !this.tasks.length || this.showSkeleton) return;
const startTime = this.tasks[0].planStart - 0;
if ((this.tasks[0].plugins && this.tasks[0].plugins.length === 0) || this.topEnd) {
// 没有数据时 自动加载数据
console.warn('滚动到顶部没有数据时: ');
const addTasks = this.setTime(startTime, true);
this.setUpTasks(addTasks);
} else {
// 有数据时
console.warn('滚动到顶部有数据时: ');
const upQuery = {
timeNode: startTime,
queryType: 0,
queryNum: 6,
};
await this.$emit('getTasks', upQuery);
}
},
// 滚动到底部
async handleScrollBottom() {
if (!this.tasks || !this.tasks.length || this.showSkeleton) return;
const { tasks, timeGranularity } = this;
const startTime = tasks[tasks.length - 1].planStart - 0;
if ((tasks[0].plugins && tasks[0].plugins.length === 0) || this.bottomEnd) {
// 没有数据时 自动加载数据
console.warn('滚动到底部没有数据时: ');
const addTasks = this.setTime(startTime, false);
this.setDownTasks(addTasks);
} else {
// 时间基准点=最后一个任务的开始时间+当前时间颗粒度
console.warn('滚动到底部有数据时: ');
const timeNode = this.$t.time.add(startTime, 1, timeGranularity).valueOf();
const downQuery = {
timeNode,
queryType: 1,
queryNum: 6,
};
await this.$emit('getTasks', downQuery);
}
},
// 设置自动滚动位置
setViewId() {
const { tasks, timeNode } = this;
for (let i = 0; i < tasks.length; i++) {
const item = tasks[i];
const show = this.$t.time.isSame(+item.planStart, +timeNode, this.timeGranularity);
if (item.detailId) {
this.viewId = `a${item.id}`;
return;
}
if (show) {
this.viewId = `a${item.id}`;
return;
}
}
},
},
};
</script>