<template>
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<el-dialog
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v-model="visible"
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:title="isEdit ? '编辑新闻' : '新增新闻'"
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width="800px"
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:before-close="handleClose"
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>
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<el-form
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ref="formRef"
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:model="form"
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:rules="rules"
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label-width="100px"
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label-position="left"
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>
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<!-- 基本信息 -->
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<el-form-item label="新闻标题" prop="title">
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<el-input
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v-model="form.title"
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placeholder="请输入新闻标题"
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maxlength="100"
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show-word-limit
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/>
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</el-form-item>
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<el-form-item label="排序字段" prop="sortOrder">
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<el-input-number
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v-model="form.sortOrder"
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:min="0"
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:max="9999"
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placeholder="请输入排序数字，数字越小越靠前"
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style="width: 200px"
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/>
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<span class="form-tip">数字越小越靠前显示，0表示最优先</span>
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</el-form-item>
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<el-form-item label="新闻内容" prop="content">
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<el-input
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v-model="form.content"
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type="textarea"
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:rows="6"
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placeholder="请输入新闻内容"
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maxlength="2000"
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show-word-limit
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/>
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</el-form-item>
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<!-- 媒体文件上传 -->
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<el-form-item label="媒体文件">
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<div class="media-upload-container">
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<!-- 现有媒体文件显示 -->
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<div v-if="form.mediaFiles.length > 0" class="media-list">
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<div
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v-for="(media, index) in form.mediaFiles"
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:key="media.id || index"
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class="media-item"
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>
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<!-- 图片预览 -->
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<div v-if="isImage(media)" class="media-preview">
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<img :src="media.url" class="media-image" />
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<div class="media-info">
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<div class="media-name">{{ media.name }}</div>
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<div class="media-actions">
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<el-button
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type="danger"
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size="small"
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@click="handleDeleteMedia(media, index)"
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:loading="media.deleting"
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>
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删除
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</el-button>
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</div>
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</div>
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</div>
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<!-- 视频预览 -->
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<div v-else-if="isVideo(media)" class="media-preview">
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<video :src="media.url" class="media-video" controls></video>
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<div class="media-info">
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<div class="media-name">{{ media.name }}</div>
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<div class="media-actions">
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<el-button
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type="danger"
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size="small"
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@click="handleDeleteMedia(media, index)"
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:loading="media.deleting"
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>
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删除
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</el-button>
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</div>
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</div>
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</div>
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<!-- 其他文件 -->
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<div v-else class="media-preview">
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<div class="file-icon">📄</div>
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<div class="media-info">
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<div class="media-name">{{ media.name }}</div>
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<div class="media-actions">
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<el-button
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type="danger"
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size="small"
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@click="handleDeleteMedia(media, index)"
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:loading="media.deleting"
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>
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删除
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</el-button>
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</div>
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</div>
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</div>
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</div>
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</div>
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<!-- 上传按钮 -->
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<el-upload
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class="media-uploader"
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:show-file-list="false"
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:before-upload="beforeMediaUpload"
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:http-request="handleMediaUpload"
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accept="image/*,video/*"
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multiple
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>
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<div class="upload-area">
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<el-icon class="upload-icon"><Plus /></el-icon>
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<div class="upload-text">选择媒体文件</div>
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<div class="upload-hint">支持图片、视频格式，图片≤10MB，视频≤500MB</div>
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</div>
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</el-upload>
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</div>
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</el-form-item>
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</el-form>
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<template #footer>
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<div class="dialog-footer">
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<el-button @click="handleClose">取消</el-button>
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<el-button type="primary" :loading="loading" @click="handleSubmit">
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{{ isEdit ? '更新' : '创建' }}
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</el-button>
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</div>
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</template>
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</el-dialog>
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</template>
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<script setup>
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import { ref, reactive, computed, watch, nextTick } from 'vue'
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import { ElMessage, ElMessageBox } from 'element-plus'
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import { Plus } from '@element-plus/icons-vue'
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import { CarouselApi } from '@/api/carousel'
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import { getMediasByTarget, deleteMedia, uploadFile } from '@/api/media'
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const props = defineProps({
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modelValue: Boolean,
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carouselData: Object
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})
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const emit = defineEmits(['update:modelValue', 'success'])
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const formRef = ref()
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const loading = ref(false)
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// 控制弹窗显示
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const visible = computed({
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get: () => props.modelValue,
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set: (value) => emit('update:modelValue', value)
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})
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// 是否为编辑模式
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const isEdit = computed(() => !!props.carouselData?.id)
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// 表单数据
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const form = reactive({
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id: undefined,
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title: '',
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content: '',
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sortOrder: null,
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mediaFiles: []
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})
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// 表单验证规则
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const rules = {
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title: [
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{ required: true, message: '请输入新闻标题', trigger: 'blur' },
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{ min: 2, max: 100, message: '标题长度在 2 到 100 个字符', trigger: 'blur' }
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]
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}
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// 监听轮播图数据变化，填充表单
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watch(() => props.carouselData, (data) => {
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nextTick(async () => {
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if (data && data.id) {
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form.id = data.id
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form.title = data.title || ''
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form.content = data.content || ''
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form.sortOrder = data.sortOrder
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// 加载轮播图媒体文件（targetType=4 表示轮播图）
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try {
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console.log('=== 加载轮播图媒体 ===');
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console.log('轮播图ID:', data.id);
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const medias = await getMediasByTarget(4, parseInt(data.id))
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console.log('获取到的媒体列表:', medias);
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// 转换媒体数据格式，标记为已存在的文件
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form.mediaFiles = (medias || []).map(media => ({
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...media,
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file: null,
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uploaded: true,
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isExisting: true,
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url: media.fullUrl
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}));
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console.log('转换后的媒体项:', form.mediaFiles);
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} catch (e) {
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console.warn('加载轮播图媒体失败:', e)
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}
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} else {
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resetForm()
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}
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})
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}, { immediate: true })
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// 重置表单
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const resetForm = () => {
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form.id = undefined
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form.title = ''
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form.content = ''
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form.sortOrder = null
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form.mediaFiles = []
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nextTick(() => {
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formRef.value?.clearValidate()
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})
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}
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// 判断是否为图片
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const isImage = (media) => {
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if (media.mediaType === 1) return true
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if (media.fileExt) {
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return ['jpg', 'jpeg', 'png', 'gif', 'webp', 'bmp'].includes(media.fileExt.toLowerCase())
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}
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if (media.name) {
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const ext = media.name.split('.').pop()?.toLowerCase()
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return ['jpg', 'jpeg', 'png', 'gif', 'webp', 'bmp'].includes(ext)
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}
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return false
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}
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// 判断是否为视频
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const isVideo = (media) => {
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if (media.mediaType === 2) return true
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if (media.fileExt) {
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return ['mp4', 'avi', 'mov', 'wmv', 'flv', 'webm', 'mkv'].includes(media.fileExt.toLowerCase())
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}
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if (media.name) {
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const ext = media.name.split('.').pop()?.toLowerCase()
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return ['mp4', 'avi', 'mov', 'wmv', 'flv', 'webm', 'mkv'].includes(ext)
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}
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return false
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}
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// 处理媒体文件上传
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const handleMediaFileUpload = async (carouselId) => {
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console.log('=== 开始上传媒体文件 ===');
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console.log('轮播图ID:', carouselId);
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console.log('待上传的文件:', form.mediaFiles.filter(m => !m.uploaded));
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// 只处理未上传的文件
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const filesToUpload = form.mediaFiles.filter(media => !media.uploaded && media.file);
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for (const media of filesToUpload) {
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try {
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console.log('上传文件:', media.name);
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// 上传文件
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const uploadResult = await uploadFile(media.file);
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console.log('上传结果:', uploadResult);
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if (uploadResult.success) {
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// 保存媒体信息到数据库
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await CarouselApi.saveMedia({
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name: uploadResult.fileName,
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path: uploadResult.path,
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fileSize: uploadResult.fileSize,
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fileExt: uploadResult.fileName.split('.').pop() || 'jpg',
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mediaType: isVideo(media) ? 2 : 1, // 1表示图片，2表示视频
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targetType: 4, // 4表示轮播图
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targetId: parseInt(carouselId)
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});
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// 标记为已上传
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media.uploaded = true;
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media.url = uploadResult.fullUrl;
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console.log('文件上传并保存成功:', media.name);
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}
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} catch (error) {
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console.error('文件上传失败:', media.name, error);
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ElMessage.error(`文件 ${media.name} 上传失败: ${error.message}`);
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}
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}
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}
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// 删除媒体文件
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const handleDeleteMedia = async (media, index) => {
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try {
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await ElMessageBox.confirm('确定要删除这个媒体文件吗？', '确认删除', {
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type: 'warning'
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});
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media.deleting = true;
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if (media.isExisting && media.id) {
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// 删除已存在的媒体文件
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console.log('删除已存在的媒体文件:', media.id);
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const result = await deleteMedia(media.id);
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console.log('删除结果:', result);
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if (result) {
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form.mediaFiles.splice(index, 1);
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ElMessage.success('媒体文件删除成功');
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} else {
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throw new Error('删除失败');
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}
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} else {
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// 删除新选择但未上传的文件
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form.mediaFiles.splice(index, 1);
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ElMessage.success('已取消选择的媒体文件');
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}
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} catch (error) {
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console.error('删除媒体失败:', error);
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if (error !== 'cancel') {
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ElMessage.error('媒体删除失败: ' + error.message);
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}
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} finally {
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media.deleting = false;
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}
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}
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// 媒体文件上传前验证
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const beforeMediaUpload = (file) => {
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const isImage = file.type.startsWith('image/')
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const isVideo = file.type.startsWith('video/')
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if (!isImage && !isVideo) {
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ElMessage.error('只能上传图片或视频文件!')
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return false
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}
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if (isImage && file.size / 1024 / 1024 > 10) {
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ElMessage.error('图片大小不能超过 10MB!')
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return false
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}
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if (isVideo && file.size / 1024 / 1024 > 500) {
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ElMessage.error('视频大小不能超过 500MB!')
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return false
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}
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return true
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}
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// 处理媒体文件上传
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const handleMediaUpload = async (options) => {
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const { file } = options
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try {
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// 不立即上传，只添加到待上传列表
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const mediaItem = {
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file: file,
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name: file.name,
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type: file.type.startsWith('video/') ? 'video' : 'image',
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uploaded: false,
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isExisting: false,
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url: URL.createObjectURL(file) // 本地预览
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};
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form.mediaFiles.push(mediaItem);
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ElMessage.success('媒体文件已选择，点击更新按钮时将上传');
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} catch (error) {
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console.error('媒体文件处理失败:', error)
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ElMessage.error('媒体文件处理失败: ' + error.message)
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}
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}
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// 提交表单
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const handleSubmit = async () => {
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if (!formRef.value) return
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try {
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await formRef.value.validate()
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loading.value = true
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// 1. 先保存轮播图基本信息
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const submitData = {
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id: form.id,
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title: form.title,
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content: form.content || undefined,
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sortOrder: form.sortOrder
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}
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const savedCarousel = await CarouselApi.saveCarousel(submitData)
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console.log('轮播图保存成功:', savedCarousel);
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// 2. 上传新选择的媒体文件
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if (savedCarousel.id) {
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await handleMediaFileUpload(savedCarousel.id);
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}
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ElMessage.success(isEdit.value ? '更新成功' : '创建成功')
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emit('success')
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handleClose()
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} catch (error) {
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console.error('保存失败:', error)
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ElMessage.error('保存失败: ' + error.message)
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} finally {
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loading.value = false
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}
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}
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// 关闭弹窗
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const handleClose = () => {
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visible.value = false
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resetForm()
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}
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</script>
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<style lang="scss" scoped>
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.dialog-footer {
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text-align: right;
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}
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.form-tip {
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margin-left: 10px;
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color: #909399;
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font-size: 12px;
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}
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.media-upload-container {
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display: flex;
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flex-direction: column;
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gap: 16px;
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}
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.media-list {
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display: flex;
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flex-wrap: wrap;
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gap: 16px;
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}
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.media-item {
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position: relative;
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display: inline-block;
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}
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.media-preview {
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display: flex;
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flex-direction: column;
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align-items: center;
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border: 1px solid var(--el-border-color);
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border-radius: 6px;
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padding: 8px;
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background: #fafafa;
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}
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.media-image {
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width: 150px;
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height: 100px;
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object-fit: cover;
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border-radius: 4px;
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}
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.media-video {
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width: 200px;
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height: 120px;
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border-radius: 4px;
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}
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.file-icon {
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font-size: 48px;
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margin-bottom: 8px;
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}
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.media-info {
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margin-top: 8px;
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text-align: center;
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}
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.media-name {
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font-size: 12px;
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color: #606266;
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margin-bottom: 8px;
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max-width: 150px;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.upload-area {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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width: 200px;
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height: 120px;
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border: 1px dashed var(--el-border-color);
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border-radius: 6px;
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cursor: pointer;
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transition: var(--el-transition-duration-fast);
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text-align: center;
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&:hover {
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border-color: var(--el-color-primary);
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}
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}
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.upload-icon {
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font-size: 28px;
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color: #8c939d;
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margin-bottom: 8px;
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}
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.upload-text {
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font-size: 14px;
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color: #8c939d;
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margin-bottom: 4px;
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}
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.upload-hint {
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font-size: 12px;
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color: #999;
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line-height: 1.2;
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}
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</style>
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