484 lines
15 KiB
Vue
484 lines
15 KiB
Vue
<template>
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<view class="uni-container">
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<view class="header">
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<view class="back">
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<view @click="navigateBack" style="margin-left: 15px;display: flex;align-items: center">
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<uni-icons type="back" size="24"></uni-icons>
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<text>返回</text>
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</view>
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</view>
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</view>
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<uni-forms ref="form" :label-width="90" :model="formData" validateTrigger="submit" err-show-type="toast">
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<view class="edit-box">
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<view class="title">
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<textarea
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class="uni-input"
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v-model="formData.title"
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auto-height
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placeholder="文章标题"
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@input="() => autoSaveContent && autoSaveContent()"
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/>
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</view>
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<editor-component @textchange="onTextChange" @ready="onEditorReady"></editor-component>
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<view class="settings">
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<uni-forms-item name="excerpt" label="文章摘要">
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<textarea
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class="excerpt"
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placeholder="文章摘要"
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auto-height
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v-model="formData.excerpt"
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@input="() => autoSaveContent && autoSaveContent()"
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></textarea>
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</uni-forms-item>
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<uni-forms-item name="thumbnail" label="封面" required>
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<view class="thumb-mode">
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<radio-group @change="thumbModeChange">
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<radio value="1" class="mode" :checked="thumbMode === 1">单图</radio>
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<!-- <radio value="3" class="mode" :checked="thumbMode === 3">三图</radio> -->
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<radio value="0" class="mode" :checked="thumbMode === 0">无封面图</radio>
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</radio-group>
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</view>
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<view class="thumbnail-list" v-if="thumbMode > 0">
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<view class="thumbnail" v-for="(thumbnail, index) in formData.thumbnail" :key="thumbnail.source">
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<template v-if="thumbnail.source">
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<view class="remove-thumbnail" @click="() => removeThumbnail(index)">
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<uni-icons type="closeempty" size="16" color="#fff"></uni-icons>
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</view>
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<image :src="thumbnail.src" mode="aspectFill" style="width: 150px; height: 150px;"></image>
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</template>
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<template v-else>
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<uni-icons
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@click="() => openInsertImageDrawer(index)"
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class="placeholder"
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type="plusempty"
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size="60"
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color="#e8e8e8"
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></uni-icons>
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</template>
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</view>
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</view>
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<view v-if="thumbMode > 0" style="color: #999; font-size: 13px; margin-top: 10px;">
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<text>为了保证最佳效果展示；请上传16:9的封面图片</text>
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</view>
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</uni-forms-item>
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<uni-forms-item v-if="false" name="user_id" label="作者" required>
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<uni-data-picker v-model="formData.user_id" style="width: 200px;" collection="uni-id-users"
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where="role=='uni-cms-author'||role=='admin'" field="nickname as text, _id as value"></uni-data-picker>
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</uni-forms-item>
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<uni-forms-item name="category_id" label="分类">
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<uni-data-picker v-model="formData.category_id" style="width: 200px;"
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collection="uni-cms-categories" field="name as text, _id as value"></uni-data-picker>
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</uni-forms-item>
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<!-- <uni-forms-item name="is_sticky" label="是否置顶">-->
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<!-- <switch @change="binddata('is_sticky', $event.detail.value)" style="transform:scale(0.75)" :checked="formData.is_sticky"></switch>-->
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<!-- </uni-forms-item>-->
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<!-- <uni-forms-item name="is_essence" label="阅读加精">-->
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<!-- <switch @change="binddata('is_essence', $event.detail.value)" style="transform:scale(0.75)" :checked="formData.is_essence"></switch>-->
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<!-- </uni-forms-item>-->
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<!-- <uni-forms-item name="comment_status" label="开放评论">-->
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<!-- <uni-data-checkbox v-model="formData.comment_status"-->
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<!-- :localdata="formOptions.comment_status_localdata"></uni-data-checkbox>-->
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<!-- </uni-forms-item>-->
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</view>
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<view class="uni-button-group m" style="padding-bottom: 50px">
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<button v-if="formData.article_status === 0" class="uni-button" style="width: 100px;margin-right: 10px;"
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@click="submit(0)">保存</button>
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<button type="primary" class="uni-button" style="width: 100px;" @click="submit(1)">更新</button>
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</view>
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</view>
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</uni-forms>
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<view class="footer">
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<view class="wrap">
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<view class="left">
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<text class="auto-save" v-if="autoSave">
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{{ autoSave.status === 1 ? '自动保存中...' : '已自动保存' }}
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</text>
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<text class="word-count" v-if="wordCount !== null">共 {{ wordCount }} 字</text>
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</view>
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<view class="right">
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<view class="uni-button-group">
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<!-- #ifdef H5 -->
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<button v-if="formData.article_status === 0" class="uni-button"
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style="width: 100px;margin-right: 10px;" @click="previewArticle">预览</button>
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<!-- #endif -->
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<button v-if="formData.article_status === 0" class="uni-button"
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style="width: 100px;margin-right: 10px;" @click="submit(0)">保存</button>
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<button type="primary" class="uni-button" style="width: 100px;" @click="submit(1)">{{
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formData.article_status === 0 ? '发布' : '更新' }}</button>
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</view>
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</view>
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</view>
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</view>
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<uni-drawer
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class="insert-image-drawer"
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v-if="drawerWidth"
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ref="insertImageDrawer"
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mode="right"
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:width="drawerWidth"
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>
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<uni-media-library
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mode="picker"
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:selected-count="1"
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:media-tabs="['image']"
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@onInsert="onInsertCover"
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></uni-media-library>
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</uni-drawer>
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<!-- #ifdef H5 -->
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<uni-popup ref="popup" type="dialog" v-if="formDataId">
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<article-preview :id="formDataId" @close="() => $refs.popup.close()"></article-preview>
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</uni-popup>
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<!-- #endif -->
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</view>
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</template>
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<script>
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// 引入编辑器组件
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import EditorComponent from "@/uni_modules/uni-cms/components/editor/editor.vue"
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// 引入Delta转换函数
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import { translateInputContent, translateOutputContent } from '@/uni_modules/uni-cms/common/translate-content'
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// 引入表单验证器
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import { validator } from '@/uni_modules/uni-cms/common/validator/uni-cms-articles.js'
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// 自动保存mixin
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import autoSaveMixin from '@/uni_modules/uni-cms/common/auto-save-mixin.js';
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import {parseImageUrl} from "@/uni_modules/uni-cms/common/parse-image-url";
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// 引入文章预览组件
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// #ifdef H5
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import ArticlePreview from "@/uni_modules/uni-cms/components/preview/preview.vue";
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// #endif
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// 引入数据库相关
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const db = uniCloud.database();
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const dbCollectionName = 'uni-cms-articles';
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// 根据字段获取验证器
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function getValidator(fields) {
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let result = {}
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for (let key in validator) {
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if (fields.includes(key)) {
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result[key] = validator[key]
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}
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}
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return result
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}
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export default {
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components: {
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EditorComponent,
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// #ifdef H5
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ArticlePreview
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// #endif
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},
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mixins: [autoSaveMixin],
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data() {
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// 初始化表单数据
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let formData = {
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"user_id": "",
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"category_id": "",
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"title": "",
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"content": null,
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"excerpt": "",
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"article_status": 0,
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"is_sticky": null,
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"is_essence": null,
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"comment_status": null,
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"thumbnail": [{}],
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"publish_date": null
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}
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return {
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// 初始化表单数据的id
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formDataId: '',
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// 表单数据
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formData,
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// 表单选项
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formOptions: {
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"comment_status_localdata": [
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{
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"value": 0,
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"text": "关闭"
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},
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{
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"value": 1,
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"text": "开放"
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}
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]
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},
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// 表单验证规则
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rules: {
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...getValidator(Object.keys(formData))
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},
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// 编辑器格式
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formats: {},
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// 字数统计
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wordCount: null,
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// 插入图片抽屉宽度
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drawerWidth: 0,
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// 封面图展示方式
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thumbMode: 1,
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}
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},
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// 当页面准备好时，设置表单验证规则
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onReady() {
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this.$refs.form.setRules(this.rules)
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},
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// 当页面加载时，如果有id则获取表单数据
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onLoad(e) {
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if (e.id) {
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const id = e.id
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this.formDataId = id
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this.getDetail(id)
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}
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},
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mounted () {
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const sysinfo = uni.getSystemInfoSync()
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this.drawerWidth = sysinfo.windowWidth * .8
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},
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methods: {
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// 封面图展示方式改变
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thumbModeChange (e) {
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const coverCount = Number(e.detail.value)
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this.formData.thumbnail = Array.from(new Array(coverCount)).map((item, index) => {
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if (this.formData.thumbnail[index]) {
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return this.formData.thumbnail[index]
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} else {
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return {}
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}
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})
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this.thumbMode = coverCount
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},
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/**
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* 获取表单数据
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* @param {String} id - 文章id
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*/
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getDetail(id) {
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// 显示加载中
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uni.showLoading({
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mask: true
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})
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// 从数据库中获取文章数据
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db.collection(dbCollectionName).doc(id).field("is_admin,user_id,category_id,title,content,excerpt,article_status,is_sticky,is_essence,comment_status,thumbnail,publish_date").get().then((res) => {
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const data = res.result.data[0]
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if (data) {
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// 将获取到的数据赋值给formData
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this.formData = data
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// 如果有缩略图，则设置缩略图预览
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const thumbnail = typeof this.formData.thumbnail === 'string' ? [this.formData.thumbnail] : this.formData.thumbnail
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// 更新封面图展示方式
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this.thumbMode = this.formData.thumbnail && this.formData.thumbnail.length ? this.formData.thumbnail.length : 0
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// 设置编辑器内容
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this.setContents()
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// 处理封面图
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parseImageUrl(thumbnail).then(res => {
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this.formData.thumbnail = res
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})
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}
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}).catch((err) => {
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// 显示错误提示
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uni.showModal({
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content: err.message || '请求服务失败',
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showCancel: false
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})
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}).finally(() => {
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// 隐藏加载中
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uni.hideLoading()
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})
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},
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/**
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* 当编辑器准备好时，设置编辑器内容
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* @param {Object} editorCtx - 编辑器上下文
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*/
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onEditorReady(editorCtx) {
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// 如果编辑器上下文不存在，则返回
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if (!editorCtx) return
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// 将编辑器上下文赋值给组件实例的editorCtx属性
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this.editorCtx = editorCtx
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// 设置编辑器内容
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this.setContents()
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},
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/**
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* 设置编辑器内容
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*/
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setContents() {
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// 检查编辑器上下文是否存在
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if (this.editorCtx && this.formData.content) {
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// #ifdef H5
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// 如果是H5平台，则直接使用formData中的内容
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const content = this.formData.content
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// #endif
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// #ifndef H5
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// 如果不是H5平台，则需要将formData中的内容转换为编辑器所需的格式
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const content = translateInputContent(this.formData.content)
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// #endif
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// 设置编辑器内容
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this.editorCtx.setContents({
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delta: content
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})
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}
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},
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/**
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* 验证表单并提交
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* @param {Number} status - 文章状态
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*/
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submit(status) {
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// 检查文章标题是否存在
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if (!this.formData.title) {
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// 隐藏加载中
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uni.hideLoading()
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// 显示文章标题必填的提示
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return uni.showToast({
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icon: 'none',
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title: '文章标题必填',
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})
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}
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if (this.formData.thumbnail) {
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for (const thumbnail of this.formData.thumbnail) {
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if (!thumbnail.source) {
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// 如果封面图为空，提示用户
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uni.hideLoading()
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return uni.showToast({
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icon: 'none',
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title: '封面图必填',
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})
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}
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}
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}
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return new Promise(resolve => {
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// 验证表单
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this.$refs.form.validate().then((res) => {
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// 获取编辑器内容
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this.editorCtx.getContents({
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success: async (e) => {
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// 提交表单
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await this.submitForm({
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...res,
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thumbnail: this.formData.thumbnail.map(item => item.source),
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article_status: status,
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title: this.formData.title,
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content: translateOutputContent(e.delta),
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publish_date: this.formData.publish_date ? this.formData.publish_date : Date.now()
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})
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resolve()
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}
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})
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}).catch((e) => {
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console.error(e)
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})
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})
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},
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/**
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* 提交表单
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* @param {Object} value - 表单数据
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*/
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submitForm(value) {
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uni.showLoading({
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mask: true
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})
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// 使用 clientDB 提交数据
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return db.collection(dbCollectionName).doc(this.formDataId).update(value).then(() => {
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// 提交成功后，根据文章状态弹出不同的提示信息
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uni.showToast({
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icon: 'none',
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title: value.article_status === 0 ? '保存成功' : this.formData.article_status === 0 ? '发布成功' : '更新成功'
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})
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try {
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// 触发父页面事件，刷新数据
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this.getOpenerEventChannel().emit('refreshData')
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} catch (e) { }
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// 清除自动保存内容
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this.clearAutoSaveStorage && this.clearAutoSaveStorage()
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// 延迟 500ms 后，如果文章状态为已发布，返回上一页。
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setTimeout(() => {
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if (value.article_status === 1) {
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uni.navigateBack()
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}
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}, 500)
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}).catch((err) => {
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uni.showModal({
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content: err.message || '请求服务失败',
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showCancel: false
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})
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}).finally(() => {
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uni.hideLoading()
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})
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},
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/**
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* 文本内容变化时更新字数统计
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* @param {Object} e - 文本内容变化事件
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*/
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onTextChange(e) {
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this.wordCount = e.detail
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// 自动保存
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this.autoSaveContent && this.autoSaveContent()
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},
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/**
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* 返回上一页或跳转到文章列表页
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*/
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navigateBack() {
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const pages = getCurrentPages()
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if (pages.length > 1) {
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uni.navigateBack(-1)
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} else {
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uni.redirectTo({
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url: '/uni_modules/uni-cms/pages/article/list/list'
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})
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}
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},
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openInsertImageDrawer(index) {
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this.$refs.insertImageDrawer.open()
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this.coverIndex = index
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},
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async onInsertCover(selectMediaItems) {
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const coverIndex = this.coverIndex !== null ? this.coverIndex : 0
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const image = selectMediaItems[0]
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const newThumbnail = [...this.formData.thumbnail]
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const parseImages = await parseImageUrl(image.src)
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newThumbnail[coverIndex] = parseImages[0]
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this.$refs.insertImageDrawer.close()
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this.formData.thumbnail = newThumbnail
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},
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removeThumbnail(index) {
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const newThumbnail = [...this.formData.thumbnail]
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newThumbnail[index] = {}
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this.formData.thumbnail = newThumbnail
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this.autoGetCover = false
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},
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async previewArticle () {
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if (this.formDataId) {
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// 先保存文章
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await this.submit(0)
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this.$refs.popup.open()
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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">
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@import '@/uni_modules/uni-cms/common/style/article-detail.scss';
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</style>
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