486 lines
15 KiB
Vue
486 lines
15 KiB
Vue
<template>
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<view>
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<view class="c_total">资讯评论</view>
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<template v-if="dataList && dataList.length">
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<view class="c_comment" v-for="(item1, index1) in dataList" :key="item1.id">
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<!-- 一级评论 -->
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<CommonComp
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:data="item1"
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@likeClick="() => likeClick({ item1, index1 })"
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@replyClick="() => replyClick({ item1, index1 })"
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@deleteClick="() => deleteClick({ item1, index1 })"
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/>
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<view class="children_item" v-if="item1.children && item1.children.length">
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<!-- 二级评论 -->
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<CommonComp
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v-for="(item2, index2) in item1.childrenShow"
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:key="item2.id"
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:data="item2"
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:pData="item1"
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@likeClick="() => likeClick({ item1, index1, item2, index2 })"
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@replyClick="() => replyClick({ item1, index1, item2, index2 })"
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@deleteClick="() => deleteClick({ item1, index1, item2, index2 })"
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/>
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<!-- 展开二级评论 -->
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<view
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class="expand_reply"
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v-if="expandTxtShow({ item1, index1 })"
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@tap="() => expandReplyFun({ item1, index1 })"
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>
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<span class="txt"> 展开{{ item1.children.length - item1.childrenShow.length }}条回复 </span>
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<uni-icons type="down" size="24" color="#007aff"></uni-icons>
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</view>
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<!-- 折叠二级评论 -->
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<view
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class="shrink_reply"
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v-if="shrinkTxtShow({ item1, index1 })"
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@tap="() => shrinkReplyFun({ item1, index1 })"
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>
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<span class="txt"> 收起回复内容 </span>
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<uni-icons type="up" size="24" color="#007aff"></uni-icons>
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</view>
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</view>
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</view>
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</template>
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<!-- 空盒子 -->
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<view class="empty_box" v-else>
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<uni-icons type="chatboxes" size="36" color="#c0c0c0"></uni-icons>
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<view>
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<span class="txt"> 这里是一片荒草地, </span>
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<span class="txt click" @click="() => newCommentFun()">说点什么...</span>
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</view>
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</view>
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<!-- 评论弹窗 -->
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<uni-popup ref="cPopupRef" type="bottom" @change="popChange">
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<view class="c_popup_box">
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<view class="reply_text">
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<template v-if="Object.keys(replyTemp).length">
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<span class="text_aid">回复给</span>
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<img
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class="user_avatar"
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:src="replyTemp.item2 ? replyTemp.item2.user_avatar : replyTemp.item1.user_avatar"
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/>
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<span class="text_main">{{ replyTemp.item2 ? replyTemp.item2.user_name : replyTemp.item1.user_name }}</span>
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</template>
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<span v-else class="text_main">发表新评论</span>
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</view>
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<view class="content">
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<view class="text_area">
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<uni-easyinput
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class="text_area"
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type="textarea"
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v-model="commentValue"
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:placeholder="commentPlaceholder"
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:focus="focus"
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trim
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autoHeight
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maxlength="300"
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></uni-easyinput>
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</view>
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<view class="send_btn" @tap="() => sendClick()">发送</view>
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</view>
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</view>
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</uni-popup>
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<!-- 删除弹窗 -->
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<uni-popup ref="delPopupRef" type="dialog">
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<uni-popup-dialog
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mode="base"
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title=""
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content="确定删除这条评论吗?"
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:before-close="true"
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@close="delCloseFun"
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@confirm="delConfirmFun"
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></uni-popup-dialog>
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</uni-popup>
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</view>
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</template>
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<script>
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import CommonComp from "./componets/common";
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export default {
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components: { CommonComp },
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props: {
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/** 登陆用户信息
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* id: number // 登陆用户id
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* user_name: number // 登陆用户名
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* user_avatar: string // 登陆用户头像地址
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*/
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myInfo: {
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type: Object,
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default: () => {},
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},
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/** 文章作者信息
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* id: number // 文章作者id
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* user_name: number // 文章作者名
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* user_avatar: string // 文章作者头像地址
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*/
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userInfo: {
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type: Object,
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default: () => {},
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},
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/** 评论列表
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* id: number // 评论id
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* parent_id: number // 父级评论id
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* reply_id: number // 被回复人评论id
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* reply_name: string // 被回复人名称
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* user_name: string // 用户名
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* user_avatar: string // 评论者头像地址
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* user_content: string // 评论内容
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* is_like: boolean // 是否点赞
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* like_count: number // 点赞数统计
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* create_time: string // 创建时间
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*/
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tableData: {
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type: Array,
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default: () => [],
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},
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// 评论总数
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tableTotal: {
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type: Number,
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default: 0,
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},
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// 评论删除模式
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// bind - 当被删除的一级评论存在回复评论, 那么该评论内容变更显示为[当前评论内容已被移除]
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// only - 仅删除当前评论(后端删除相关联的回复评论, 否则总数显示不对)
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// all - 删除所有评论包括回复评论
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deleteMode: {
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type: String,
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default: "all",
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},
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},
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data() {
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return {
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dataList: [], // 渲染数据(前端的格式)
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replyTemp: {}, // 回复临时数据
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isNewComment: false, // 是否为新评论
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focus: false, // 评论弹窗
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commentValue: "", // 输入框值
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commentPlaceholder: "说点什么...", // 输入框占位符
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delTemp: {}, // 删除临时数据
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};
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},
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watch: {
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tableData: {
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handler(newVal) {
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if (newVal.length !== this.dataList.length) {
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this.dataList = this.treeTransForm(newVal);
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}
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},
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deep: true,
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immediate: true,
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},
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},
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mounted() {},
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methods: {
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// 数据转换
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treeTransForm(data) {
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let newData = JSON.parse(JSON.stringify(data));
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let result = [];
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let map = {};
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newData.forEach((item, i) => {
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item.owner = item.user_id === this.myInfo.user_id; // 是否为当前登陆用户 可以对自己的评论进行删除 不能回复
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item.author = item.user_id === this.userInfo.user_id; // 是否为作者 显示标记
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map[item.id] = item;
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});
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newData.forEach((item) => {
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let parent = map[item.parent_id];
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if (parent) {
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(parent.children || (parent.children = [])).push(item); // 所有回复
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if (parent.children.length === 1) {
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(parent.childrenShow = []).push(item); // 显示的回复
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}
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} else {
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result.push(item);
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}
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});
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return result;
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},
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// 点赞
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setLike(item) {
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item.is_like = !item.is_like;
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item.like_count = item.is_like ? item.like_count + 1 : item.like_count - 1;
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},
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likeClick({ item1, index1, item2, index2 }) {
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let item = item2 || item1;
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this.setLike(item);
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this.$emit("likeFun", { params: item }, (res) => {
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// 请求后端失败, 重置点赞
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setLike(item);
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});
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},
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// 回复
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replyClick({ item1, index1, item2, index2 }) {
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this.replyTemp = JSON.parse(JSON.stringify({ item1, index1, item2, index2 }));
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this.$refs["cPopupRef"].open();
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},
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// 发起新评论
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newCommentFun() {
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this.isNewComment = true;
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this.$refs["cPopupRef"].open();
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},
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// 评论弹窗
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popChange(e) {
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// 关闭弹窗
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if (!e.show) {
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this.commentValue = ""; // 清空输入框值
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this.replyTemp = {}; // 清空被回复人信息
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this.isNewComment = false; // 恢复是否为新评论默认值
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}
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this.focus = e.show;
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},
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// 发送评论
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sendClick({ item1, index1, item2, index2 } = this.replyTemp) {
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let item = item2 || item1;
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let params = {};
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// 新评论
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if (this.isNewComment) {
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params = {
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id: Math.random(), // 评论id
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parent_id: null, // 父级评论id
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reply_id: null, // 被回复评论id
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reply_name: null, // 被回复人名称
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};
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} else {
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// 回复评论
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params = {
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id: Math.random(), // 评论id
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parent_id: item?.parent_id ?? item.id, // 父级评论id
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reply_id: item.id, // 被回复评论id
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reply_name: item.user_name, // 被回复人名称
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};
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}
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params = {
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...params,
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user_id: this.myInfo.user_id, // 用户id
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user_name: this.myInfo.user_name, // 用户名
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user_avatar: this.myInfo.user_avatar, // 用户头像地址
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user_content: this.commentValue, // 用户评论内容
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is_like: false, // 是否点赞
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like_count: 0, // 点赞数统计
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create_time: "刚刚", // 创建时间
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owner: true, // 是否为所有者 所有者可以进行删除 管理员默认true
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};
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uni.showLoading({
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title: "正在发送",
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mask: true,
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});
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this.$emit("replyFun", { params }, (res) => {
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uni.hideLoading();
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// 拿到后端返回的id赋值, 因为删除要用到id
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params = { ...params, id: res.id };
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// 新评论
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if (this.isNewComment) {
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this.dataList.push(params);
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} else {
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// 回复
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let c_data = this.dataList[index1];
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(c_data.children || (c_data.children = [])).push(params);
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// 如果已展开所有回复, 那么此时插入children长度会大于childrenShow长度1, 所以就直接展开显示即可
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if (c_data.children.length === (c_data.childrenShow || (c_data.childrenShow = [])).length + 1) {
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c_data.childrenShow.push(params);
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}
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}
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this.$emit("update:tableTotal", this.tableTotal + 1);
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this.$refs["cPopupRef"].close();
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});
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},
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//删除
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deleteClick({ item1, index1, item2, index2 }) {
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this.delTemp = JSON.parse(JSON.stringify({ item1, index1, item2, index2 }));
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this.$refs["delPopupRef"].open();
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},
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// 关闭删除弹窗
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delCloseFun() {
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this.delTemp = {};
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this.$refs["delPopupRef"].close();
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},
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// 确定删除
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delConfirmFun({ item1, index1, item2, index2 } = this.delTemp) {
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const deleteMode = this.deleteMode;
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let c_data = this.dataList[index1];
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uni.showLoading({
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title: "正在删除",
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mask: true,
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});
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// 删除二级评论
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if (index2 >= 0) {
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this.$emit("deleteFun", { params: [c_data.children[index2].id], mode: deleteMode }, (res) => {
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uni.hideLoading();
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this.$emit("update:tableTotal", this.tableTotal - 1);
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c_data.children.splice(index2, 1);
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c_data.childrenShow.splice(index2, 1);
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});
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} else {
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// 删除一级评论
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if (c_data?.children?.length) {
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// 如果一级评论包含回复评论
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switch (deleteMode) {
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case "bind":
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// 一级评论内容展示修改为: 当前评论内容已被移除
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this.$emit(
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"deleteFun",
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{
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params: [c_data.id],
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mode: deleteMode,
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},
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(res) => {
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uni.hideLoading();
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c_data.user_content = "当前评论内容已被移除";
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}
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);
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break;
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case "only":
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// 后端自行根据删除的一级评论id, 查找关联的子评论进行删除
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this.$emit(
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"deleteFun",
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{
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params: [c_data.id],
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mode: deleteMode,
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},
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(res) => {
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uni.hideLoading();
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this.$emit("update:tableTotal", this.tableTotal - c_data.children.length + 1);
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this.dataList.splice(index1, 1);
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}
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);
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break;
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default:
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// all
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// 收集子评论id, 提交给后端统一删除
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let delIdArr = [c_data.id];
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c_data.children.forEach((_, i) => {
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delIdArr.push(_.id);
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});
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this.$emit("deleteFun", { params: delIdArr, mode: deleteMode }, (res) => {
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uni.hideLoading();
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this.$emit("update:tableTotal", this.tableTotal - c_data.children.length + 1);
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this.dataList.splice(index1, 1);
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});
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break;
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}
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} else {
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// 一级评论无回复, 直接删除
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this.$emit("deleteFun", { params: [c_data.id], mode: deleteMode }, (res) => {
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uni.hideLoading();
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this.$emit("update:tableTotal", this.tableTotal - 1);
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this.dataList.splice(index1, 1);
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});
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}
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}
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this.delCloseFun();
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},
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// 展开评论if
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expandTxtShow({ item1, index1 }) {
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return item1.childrenShow?.length && item1.children.length - item1.childrenShow.length;
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},
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// 展开更多评论
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expandReplyFun({ item1, index1 }) {
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let csLen = this.dataList[index1].childrenShow.length;
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this.dataList[index1].childrenShow.push(
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...this.dataList[index1].children.slice(csLen, csLen + 6) // 截取5条评论
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);
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},
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// 收起评论if
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shrinkTxtShow({ item1, index1 }) {
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return item1.childrenShow?.length >= 2 && item1.children.length - item1.childrenShow.length === 0;
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},
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// 收起更多评论
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shrinkReplyFun({ item1, index1 }) {
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this.dataList[index1].childrenShow = [];
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this.dataList[index1].childrenShow.push(
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...this.dataList[index1].children.slice(0, 1) // 截取1条评论
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);
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},
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},
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};
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</script>
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<style lang="scss" scoped>
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////////////////////////
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.center {
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display: flex;
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align-items: center;
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}
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////////////////////////
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.c_total {
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padding: 20rpx 30rpx 0 30rpx;
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font-size: 28rpx;
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}
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.empty_box {
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display: flex;
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justify-content: center;
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align-items: center;
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flex-direction: column;
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padding: 150rpx 10rpx;
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font-size: 28rpx;
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.txt {
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color: $uni-text-color-disable;
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}
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.click {
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color: $uni-color-primary;
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}
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}
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.c_comment {
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padding: 20rpx 30rpx;
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font-size: 28rpx;
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.children_item {
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padding: 20rpx 30rpx;
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margin-top: 10rpx;
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margin-left: 80rpx;
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background-color: $uni-bg-color-grey;
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.expand_reply,
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.shrink_reply {
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margin-top: 10rpx;
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margin-left: 80rpx;
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.txt {
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font-weight: 600;
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color: $uni-color-primary;
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}
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}
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}
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}
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.c_popup_box {
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background-color: #fff;
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.reply_text {
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@extend .center;
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padding: 20rpx 20rpx 0 20rpx;
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font-size: 26rpx;
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.text_aid {
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color: $uni-text-color-grey;
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margin-right: 5rpx;
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}
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.user_avatar {
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width: 48rpx;
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height: 48rpx;
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border-radius: 50%;
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margin-right: 6rpx;
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margin-left: 12rpx;
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}
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.text_main {
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}
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}
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.content {
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@extend .center;
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.text_area {
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flex: 1;
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padding: 20rpx;
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}
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.send_btn {
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@extend .center;
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justify-content: center;
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width: 120rpx;
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height: 60rpx;
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border-radius: 20rpx;
|
|
font-size: 28rpx;
|
|
color: #fff;
|
|
background-color: $uni-color-primary;
|
|
margin-right: 20rpx;
|
|
margin-left: 5rpx;
|
|
}
|
|
}
|
|
}
|
|
</style>
|