147 lines
4.5 KiB
Vue
147 lines
4.5 KiB
Vue
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<!-- 在这个文件对每个tab对应的列表进行渲染 -->
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<template>
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<view class="content">
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<!-- 这里设置了z-paging加载时禁止自动调用reload方法,自行控制何时reload(懒加载)-->
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<z-paging ref="paging" v-model="dataList" @query="queryList" use-page-scroll :scrollable="false" :hide-empty-view="hideEmptyView"
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:refresher-enabled="false" @contentHeightChanged="contentHeightChanged" :auto="false" :auto-clean-list-when-reload="false">
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<!-- 如果希望其他view跟着页面滚动,可以放在z-paging标签内 -->
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<view class="item" v-for="(item,index) in dataList" :key="index">
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<view class="item-title">{{item.title}}</view>
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<view class="item-detail">{{item.detail}}</view>
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<view class="item-line"></view>
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</view>
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</z-paging>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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// v-model绑定的这个变量不要在分页请求结束中自己赋值!!!
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dataList: [],
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height: 0,
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hideEmptyView: true,
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completeFunc: null
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}
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},
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props: {
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// 当前组件的index,也就是当前组件是swiper中的第几个
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tabIndex: {
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type: Number,
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default: function(){
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return 0
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}
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},
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// 当前swiper切换到第几个index
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currentIndex: {
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type: Number,
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default: function(){
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return 0
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}
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}
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},
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watch: {
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currentIndex: {
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handler(newVal) {
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if (newVal === this.tabIndex) {
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// 懒加载,当滑动到当前的item时,才去加载
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this.$nextTick(() => {
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setTimeout(() => {
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this.$refs.paging.reload();
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}, 100);
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})
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}
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},
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immediate: true
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}
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},
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methods: {
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queryList(pageNo, pageSize) {
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// 组件加载时会自动触发此方法,因此默认页面加载时会自动触发,无需手动调用
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// 这里的pageNo和pageSize会自动计算好,直接传给服务器即可
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// 模拟请求服务器获取分页数据,请替换成自己的网络请求
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const params = {
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pageNo: pageNo,
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pageSize: pageSize,
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type: this.tabIndex + 1
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}
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this.$request.queryList(params).then(res => {
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this.$refs.paging.complete(res.data.list);
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this.hideEmptyView = false;
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//请求结束,调用父组件的下拉刷新结束回调函数,使得父组件中的z-paging下拉刷新结束
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if (this.completeFunc) {
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this.completeFunc();
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}
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}).catch(res => {
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// 如果请求失败写this.$refs.paging.complete(false);
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// 注意,每次都需要在catch中写这句话很麻烦,z-paging提供了方案可以全局统一处理
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// 在底层的网络请求抛出异常时,写uni.$emit('z-paging-error-emit');即可
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this.$refs.paging.complete(false);
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// 请求结束,调用父组件的下拉刷新结束回调函数,使得父组件中的z-paging下拉刷新结束
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if (this.completeFunc) {
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this.completeFunc();
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}
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})
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},
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// 页面通知当前子组件刷新列表
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reload(completeFunc) {
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// 先把父组件下拉刷新的回调函数存起来
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this.completeFunc = completeFunc;
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// 调用z-paging的reload方法
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this.$refs.paging.reload();
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},
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// 当列表高度改变时,通知页面的swiper同步更改高度
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contentHeightChanged(height){
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const finalHeight = this.dataList.length ? height : 0;
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// 限制内容最小高度为屏幕可见高度减z-tabs高度。注意,页面中有使用slot="top"插入的view,则此处的minHeight还应该减去slot="top"插入的view的高度
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const minHeight = uni.getSystemInfoSync().windowHeight - uni.upx2px(80);
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this.$emit('heightChanged',Math.max(finalHeight, minHeight));
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},
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// 页面通知当前子组件加载更多数据
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doLoadMore(){
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this.$refs.paging.doLoadMore();
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},
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// 页面通知当前子组件清除数据
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clear(){
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this.$refs.paging.clear();
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this.hideEmptyView = true;
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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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/* 注意,1、父节点需要固定高度,z-paging的height:100%才会生效 */
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/* 注意,2、请确保z-paging与同级的其他view的总高度不得超过屏幕宽度,以避免超出屏幕高度时页面的滚动与z-paging内部的滚动冲突 */
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.content {
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height: 100%;
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}
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.item {
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position: relative;
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height: 150rpx;
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 0rpx 30rpx;
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}
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.item-detail {
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padding: 5rpx 15rpx;
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border-radius: 10rpx;
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font-size: 28rpx;
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color: white;
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background-color: #007AFF;
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}
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.item-line {
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position: absolute;
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bottom: 0rpx;
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left: 0rpx;
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height: 1px;
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width: 100%;
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background-color: #eeeeee;
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}
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</style>
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