cfc/cfc-frontend/pages/promotion/material.vue

<template>
  <view class="container">
    <!-- 搜索栏 -->
    <view class="search-bar">
      <view class="search-input-wrap">
        <text class="search-icon">🔍</text>
        <input
          class="search-input"
          type="text"
          placeholder="搜索素材标题或标签"
          v-model="searchKeyword"
          confirm-type="search"
          @confirm="onSearch"
        />
        <text class="search-clear" v-if="searchKeyword" @click="clearSearch">✕</text>
      </view>
    </view>

    <!-- 类型标签栏 -->
    <scroll-view class="type-tabs" scroll-x>
      <view
        class="type-tab"
        :class="{ active: currentType === item.value }"
        v-for="item in typeTabs"
        :key="item.value"
        @click="selectType(item.value)"
      >
        <text>{{ item.label }}</text>
      </view>
    </scroll-view>

    <!-- 素材列表 -->
    <scroll-view class="material-list" scroll-y @scrolltolower="loadMore">
      <view class="material-grid">
        <view
          class="material-item"
          v-for="item in materialList"
          :key="item.id"
          @click="goDetail(item)"
        >
          <image class="material-cover" :src="getImageUrl(item.coverUrl) || '/static/default-cover.png'" mode="aspectFill" />
          <view class="material-info">
            <text class="material-title">{{ item.title }}</text>
            <text class="material-tags" v-if="item.tags">{{ item.tags }}</text>
            <view class="material-actions">
              <view class="action-btn share-btn" @click.stop="shareItem(item)">
                <text>分享</text>
              </view>
              <view class="action-btn download-btn" @click.stop="downloadItem(item)">
                <text>下载</text>
              </view>
            </view>
          </view>
        </view>
      </view>

      <!-- 加载状态 -->
      <view class="loading-more" v-if="loading">
        <text>加载中...</text>
      </view>
      <view class="no-more" v-if="noMore && materialList.length > 0">
        <text>没有更多了</text>
      </view>
      <view class="empty-state" v-if="!loading && materialList.length === 0">
        <text class="empty-text">暂无素材</text>
      </view>
    </scroll-view>
  </view>
</template>

<script>
import config from '@/config.js'

var BASE_URL = config.API_BASE_URL

function _request(url, method, data) {
  var token = uni.getStorageSync('token')
  return new Promise(function(resolve, reject) {
    uni.request({
      url: BASE_URL + url,
      method: method || 'POST',
      data: data || {},
      header: {
        'Content-Type': 'application/json',
        'Authorization': token ? 'Bearer ' + token : ''
      },
      success: function(res) {
        if (res.statusCode === 401 || (res.data && res.data.code === 401)) {
          uni.removeStorageSync('token')
          uni.removeStorageSync('userId')
          uni.showToast({ title: '登录已过期，请重新登录', icon: 'none' })
          reject(res.data)
          return
        }
        if (res.data && res.data.code === 200) {
          resolve(res.data)
        } else {
          uni.showToast({ title: (res.data && res.data.message) || '请求失败', icon: 'none' })
          reject(res.data)
        }
      },
      fail: function(err) {
        uni.showToast({ title: '网络请求失败', icon: 'none' })
        reject(err)
      }
    })
  })
}

export default {
  data() {
    return {
      searchKeyword: '',
      currentType: 'all',
      materialList: [],
      pageNum: 1,
      pageSize: 20,
      loading: false,
      noMore: false,
      typeTabs: [
        { label: '全部', value: 'all' },
        { label: '图片', value: 'image' },
        { label: '文章', value: 'article' },
        { label: '视频', value: 'video' },
        { label: '海报', value: 'poster' }
      ]
    }
  },
  onLoad() {
    this.loadMaterials()
  },
  methods: {
    loadMaterials() {
      if (this.loading || this.noMore) return
      this.loading = true
      var self = this
      var params = {
        materialType: this.currentType === 'all' ? null : this.currentType,
        keyword: this.searchKeyword || null,
        pageNum: this.pageNum,
        pageSize: this.pageSize
      }
      _request('/api/promotion/material/list', 'POST', params).then(function(res) {
        if (res.code === 200 && res.data) {
          var records = res.data.records || []
          if (self.pageNum === 1) {
            self.materialList = records
          } else {
            self.materialList = self.materialList.concat(records)
          }
          self.noMore = records.length < self.pageSize
        }
        self.loading = false
      }).catch(function() {
        self.loading = false
      })
    },
    loadMore() {
      if (this.noMore || this.loading) return
      this.pageNum = this.pageNum + 1
      this.loadMaterials()
    },
    selectType(type) {
      this.currentType = type
      this.pageNum = 1
      this.noMore = false
      this.materialList = []
      this.loadMaterials()
    },
    onSearch() {
      this.pageNum = 1
      this.noMore = false
      this.materialList = []
      this.loadMaterials()
    },
    clearSearch() {
      this.searchKeyword = ''
      this.onSearch()
    },
    goDetail(item) {
      uni.navigateTo({
        url: '/pages/promotion/material-detail?id=' + item.id
      })
    },
    shareItem(item) {
      uni.showShareMenu({
        withShareTicket: true,
        menus: ['shareAppMessage', 'shareTimeline']
      })
      // 触发系统分享面板
      uni.shareAppMessage({
        title: item.title || '推荐内容',
        imageUrl: item.coverImage || '',
        imageUrl() {
          return ''
        }
      })
    },
    downloadItem(item) {
      if (!item.fileUrl) {
        uni.showToast({ title: '暂无下载链接', icon: 'none' })
        return
      }
      uni.downloadFile({
        url: item.fileUrl,
        success: function(res) {
          if (res.statusCode === 200) {
            uni.saveImageToPhotosAlbum({
              filePath: res.tempFilePath,
              success: function() {
                uni.showToast({ title: '已保存到相册', icon: 'success' })
              },
              fail: function() {
                uni.showToast({ title: '保存失败', icon: 'none' })
              }
            })
          }
        },
        fail: function() {
          uni.showToast({ title: '下载失败', icon: 'none' })
        }
        })
    },getImageUrl: function(path) {

      if (!path || path === 'null' || path === 'undefined' || path === '/null') return ''

      var s = String(path).trim()

      if (!s || s === 'null' || s === '/null') return ''

      if (s.indexOf('http://') === 0 || s.indexOf('https://') === 0) return s

      return config.API_BASE_URL + (s.charAt(0) === '/' ? s : '/' + s)

    }
  }
}
</script>

<style scoped>
.container {
  min-height: 100vh;
  background: #F5F5F5;
}

/* 搜索栏 */
.search-bar {
  padding: 20rpx 30rpx;
  background: #fff;
}
.search-input-wrap {
  display: flex;
  align-items: center;
  background: #F5F5F5;
  border-radius: 40rpx;
  padding: 16rpx 24rpx;
}
.search-icon {
  font-size: 28rpx;
  margin-right: 12rpx;
  color: #999;
}
.search-input {
  flex: 1;
  font-size: 28rpx;
  color: #333;
}
.search-clear {
  font-size: 24rpx;
  color: #999;
  padding: 8rpx;
}

/* 类型标签 */
.type-tabs {
  white-space: nowrap;
  background: #fff;
  padding: 0 20rpx 20rpx;
  border-bottom: 1rpx solid #eee;
}
.type-tab {
  display: inline-block;
  padding: 12rpx 28rpx;
  margin-right: 16rpx;
  border-radius: 32rpx;
  background: #F5F5F5;
  font-size: 26rpx;
  color: #666;
}
.type-tab.active {
  background: #F97316;
  color: #fff;
}

/* 素材列表 */
.material-list {
  padding: 20rpx;
}
.material-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.material-item {
  width: 48%;
  background: #fff;
  border-radius: 16rpx;
  overflow: hidden;
  margin-bottom: 20rpx;
  box-shadow: 0 2rpx 8rpx rgba(0,0,0,0.06);
}
.material-cover {
  width: 100%;
  height: 240rpx;
  background: #f0f0f0;
}
.material-info {
  padding: 16rpx;
}
.material-title {
  font-size: 28rpx;
  color: #333;
  font-weight: 500;
  display: block;
  margin-bottom: 8rpx;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.material-tags {
  font-size: 22rpx;
  color: #999;
  display: block;
  margin-bottom: 12rpx;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.material-actions {
  display: flex;
  justify-content: space-between;
}
.action-btn {
  flex: 1;
  text-align: center;
  padding: 12rpx 0;
  border-radius: 8rpx;
  font-size: 24rpx;
  margin-right: 12rpx;
}
.action-btn:last-child {
  margin-right: 0;
}
.share-btn {
  background: #FFF3E0;
  color: #F97316;
}
.download-btn {
  background: #E3F2FD;
  color: #2196F3;
}

/* 加载和空状态 */
.loading-more, .no-more {
  text-align: center;
  padding: 24rpx;
  font-size: 24rpx;
  color: #999;
}
.empty-state {
  text-align: center;
  padding: 120rpx 0;
}
.empty-text {
  font-size: 28rpx;
  color: #999;
}
</style>