ylrz_scrm_adminUI/src/views/course/videoResource/index.vue

<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="素材名称" prop="resourceName">
        <el-input
          v-model="queryParams.resourceName"
          placeholder="请输入素材名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="文件名称" prop="fileName">
        <el-input
          v-model="queryParams.fileName"
          placeholder="请输入素材名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="分类" prop="typeId">
        <el-select v-model="queryParams.typeId" clearable placeholder="请选择分类" @change="changeCateType">
          <el-option
            v-for="item in rootTypeList"
            :key="item.dictValue"
            :label="item.dictLabel"
            :value="item.dictValue">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item label="子分类" prop="typeSubId">
        <el-select v-model="queryParams.typeSubId" clearable placeholder="请选择子分类">
          <el-option
            v-for="item in subTypeList"
            :key="item.dictValue"
            :label="item.dictLabel"
            :value="item.dictValue">
          </el-option>
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['course:videoResource:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleBatchAdd"
          v-hasPermi="['course:videoResource:add']"
        >批量新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['course:videoResource:remove']"
        >删除</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="resourceList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" width="55" align="center">
              <template slot-scope="scope">
                {{ scope.$index + 1 }}
              </template>
            </el-table-column>
      <el-table-column label="素材名称" align="center" :show-overflow-tooltip="true" prop="resourceName"/>
      <el-table-column label="文件名称" align="center" :show-overflow-tooltip="true" prop="fileName"/>
      <el-table-column label="分类" align="center">
        <template slot-scope="scope">
          <span v-if="scope.row.typeId">{{ getTypeName(scope.row.typeId) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="子分类" align="center">
        <template slot-scope="scope">
          <span v-if="scope.row.typeSubId">{{ getTypeName(scope.row.typeSubId) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="视频文件" align="center">
        <template slot-scope="scope">
          <a
            @click="handleVideoPreview(scope.row.videoUrl)"
            style="background-color: #409EFF; color: white; border: none; border-radius: 4px; padding: 4px 12px; cursor: pointer; font-size: 12px; display: inline-block; text-decoration: none;">
            查看文件
          </a>
        </template>
      </el-table-column>
      <el-table-column label="CDN" align="center">
        <template slot-scope="scope">
          <a
            @click="copy(scope.row.videoUrl)"
            style="color: #409EFF; border: none; border-radius: 4px; padding: 4px 12px; cursor: pointer; font-size: 12px; display: inline-block; text-decoration: none;">
            复制链接
          </a>
        </template>
      </el-table-column>
      <el-table-column label="关联题目" align="center">
        <template slot-scope="scope">
          <a
            @click="handleViewProject(scope.row, 3)"
            :style="scope.row.projectIds ? {
              backgroundColor: '#409EFF',
              color: 'white',
              border: 'none',
              borderRadius: '4px',
              padding: '4px 12px',
              cursor: 'pointer',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            } : {
              backgroundColor: 'rgb(154 156 159)',
              color: 'white',
              border: 'none',
              cursor: 'pointer',
              borderRadius: '4px',
              padding: '4px 12px',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            }">
            {{ scope.row.projectIds ? '查看详情' : '未关联题目' }}
          </a>
        </template>
      </el-table-column>
      <el-table-column label="视频时长" align="center">
        <template slot-scope="scope">
          <div style="padding: 4px 12px;background: linear-gradient(to right, rgb(196 219 255), #409EFF)">{{ formatDuration(scope.row.duration) }}</div>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['course:videoResource:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['course:videoResource:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改视频素材库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="700px" append-to-body :before-close="cancel">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="素材名称" prop="resourceName" style="margin-top: 20px">
          <el-input v-model="form.resourceName" placeholder="请输入" />
        </el-form-item>

        <el-form-item label="文件名称" prop="fileName" style="margin-top: 20px;display: none">
          <el-input v-model="form.fileName" placeholder="请输入" />
        </el-form-item>

        <el-form-item label="分类" prop="typeId">
          <el-select v-model="form.typeId" placeholder="请选择分类" style="width: 100%" @change="changeCateType">
            <el-option
              v-for="item in rootTypeList"
              :key="item.dictValue"
              :label="item.dictLabel"
              :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="子分类" prop="typeSubId">
          <el-select v-model="form.typeSubId" clearable placeholder="请选择子分类" style="width: 100%">
            <el-option
              v-for="item in subTypeList"
              :key="item.dictValue"
              :label="item.dictLabel"
              :value="item.dictValue">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="关联题目" prop="projectIds">
          <el-select
            ref="customSelect"
            class="custom-select-class"
            v-model="form.projectIds"
            multiple
            placeholder="请选择关联题目"
            @click.native.stop="openProjectDialog(form.projectIds, 0)"
            style="width: 100%;">
            <el-option
              v-for="item in projectShowList"
              :key="item.id"
              :label="item.title"
              :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>

        <el-form-item label="上传视频" prop="videoUrl" required>
          <el-upload
            ref="videoUpload"
            action="#"
            list-type="picture-card"
            :http-request="videoUpload"
            :file-list="fileList"
            :on-change="handleFileChange"
            accept=".mp4">
            <i slot="default" class="el-icon-plus"></i>
            <div slot="file" slot-scope="{file}">
              <div
                class="el-upload-list__item-thumbnail"
                style="display: flex; justify-content: center; align-items: center; background-color: #f5f7fa; height: 146px;"
              >
                <i class="el-icon-video-camera" style="font-size: 48px;" />
              </div>

              <span v-if="file.status === 'success'" class="el-upload-list__item-status-label">
                <i class="el-icon-upload-success el-icon--check"></i>
              </span>
              <span v-if="file.status === 'fail'" class="el-upload-list__item-status-label">
                <i class="el-icon-circle-close"></i>
              </span>

              <span class="el-upload-list__item-actions">
                <span
                  class="el-upload-list__item-preview"
                  @click="handleVideoPreview(form.videoUrl)"
                >
                  <i class="el-icon-zoom-in"></i>
                </span>
                <span
                  class="el-upload-list__item-delete"
                  @click="handleRemove(file)"
                >
                  <i class="el-icon-delete"></i>
                </span>
              </span>

              <div v-if="file.status === 'uploading'" class="el-upload-list__item-progress">
                <el-progress
                  :percentage="file.percentage"
                  :show-text="false"
                  :width="52"
                ></el-progress>
              </div>
            </div>
          </el-upload>
        </el-form-item>

        <el-form-item label="时长">
          <span>{{ formatDuration(form.duration) }}</span>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="cancel">取消</el-button>
        <el-button type="primary" @click="submitForm">保存</el-button>
      </div>
    </el-dialog>

    <el-dialog
      title="视频预览"
      :visible.sync="videoPreviewVisible"
      append-to-body
      :close-on-click-modal="true"
      width="700px"
      class="video-preview-dialog"
      :modal-append-to-body="false"
      :before-close="handleCloseVideoPreview">
      <video ref="up-video" id="video" width="100%" height="400px" controls :src="videoPreviewUrl" />
    </el-dialog>

    <!-- 批量选择视频弹窗 -->
    <el-dialog :title="'选择视频'" :visible.sync="batchAddVisible" width="1200px" append-to-body class="batch-dialog" :close-on-click-modal="false" :before-close="cancelBeforeBatch">
      <div class="filter-container">
        <el-button type="primary" icon="el-icon-plus" size="small" @click="showUploadPanel">上传视频</el-button>
      </div>

      <el-table
        v-loading="batchLoading"
        :data="videoList"
        height="350">
        <el-table-column label="序号" width="60" align="center">
          <template slot-scope="scope">
            {{ scope.$index + 1 }}
          </template>
        </el-table-column>
        <el-table-column label="素材名称" align="center" prop="resourceName" min-width="120" />
        <el-table-column label="文件名称" align="center" prop="fileName" min-width="120" />
        <el-table-column label="分类" align="center" min-width="100">
          <template slot-scope="scope">
            {{ getTypeName(scope.row.typeId) }}
          </template>
        </el-table-column>
        <el-table-column label="关联项目" align="center" min-width="100">
          <template slot-scope="scope">
          <a
            @click="handleViewProject(scope.row, 4)"
            :style="scope.row.projectIds.length > 0 ? {
              backgroundColor: '#409EFF',
              color: 'white',
              border: 'none',
              borderRadius: '4px',
              padding: '4px 12px',
              cursor: 'pointer',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            } : {
              backgroundColor: 'rgb(154 156 159)',
              color: 'white',
              border: 'none',
              cursor: 'pointer',
              borderRadius: '4px',
              padding: '4px 12px',
              fontSize: '12px',
              display: 'inline-block',
              textDecoration: 'none'
            }">
            {{ scope.row.projectIds.length > 0 ? '查看详情' : '未关联题目' }}
          </a>
        </template>
        </el-table-column>
        <el-table-column label="视频文件" align="center" prop="fileName" min-width="120">
          <template slot-scope="scope">
            <a
              @click="handleVideoPreview(scope.row.videoUrl)"
              style="background-color: #409EFF; color: white; border: none; border-radius: 4px; padding: 4px 12px; cursor: pointer; font-size: 12px; display: inline-block; text-decoration: none;">
              查看文件
            </a>
          </template>
        </el-table-column>
        <el-table-column label="视频时长" align="center" width="80">
          <template slot-scope="scope">
            {{ formatDuration(scope.row.duration) }}
          </template>
        </el-table-column>
        <el-table-column label="上传进度" align="center" width="120">
          <template slot-scope="scope">
            <el-progress :percentage="scope.row.progress" :status="scope.row.progress === 100 ? 'success' : undefined"></el-progress>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" width="150">
          <template slot-scope="scope">
            <el-button
              size="mini"
              type="text"
              icon="el-icon-edit"
              @click="handleEditVideo(scope.row)">编辑</el-button>
            <el-button
              size="mini"
              type="text"
              icon="el-icon-delete"
              @click="handleDeleteVideo(scope.row)">删除</el-button>
          </template>
        </el-table-column>
      </el-table>

      <div class="dialog-footer">
        <el-button @click="cancelBatch">取 消</el-button>
        <el-button type="primary" @click="submitBatchAdd">保 存</el-button>
      </div>

      <!-- 批量上传视频弹窗 -->
      <el-dialog
        title="批量上传视频"
        :visible.sync="showUpload"
        width="500px"
        append-to-body
        :close-on-click-modal="false"
        class="upload-dialog">
        <el-form :model="batchUploadForm" ref="batchUploadForm" label-width="80px">
          <el-form-item style="margin-top: 20px" label="分类" prop="typeId" :rules="[{ required: true, message: '请选择分类', trigger: 'blur' }]">
            <el-select v-model="batchUploadForm.typeId" placeholder="请选择分类" style="width: 100%" @change="changeCateType">
              <el-option
                v-for="item in rootTypeList"
                :key="item.dictValue"
                :label="item.dictLabel"
                :value="item.dictValue">
              </el-option>
            </el-select>
          </el-form-item>

          <el-form-item label="子分类" prop="typeSubId" :rules="[{ required: true, message: '请选择子分类', trigger: 'blur' }]">
            <el-select v-model="batchUploadForm.typeSubId" clearable placeholder="请选择子分类" style="width: 100%">
              <el-option
                v-for="item in subTypeList"
                :key="item.dictValue"
                :label="item.dictLabel"
                :value="item.dictValue">
              </el-option>
            </el-select>
          </el-form-item>

          <el-form-item label="关联题目" prop="projectIds" style="display: none">
            <el-select
              ref="customSelect"
              class="custom-select-class"
              v-model="batchUploadForm.projectIds"
              multiple
              placeholder="请选择关联题目"
              @click.native.stop="openProjectDialog(batchUploadForm.projectIds, 1)"
              style="width: 100%;">
              <el-option
                v-for="item in projectShowList"
                :key="item.id"
                :label="item.title"
                :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>

          <el-form-item label="上传视频" prop="files">
            <el-upload
              ref="batchVideoUpload"
              action="#"
              :http-request="batchVideoUpload"
              :file-list="batchFileList"
              :on-change="handleBatchFileChange"
              multiple
              accept=".mp4">
              <el-button type="primary" :disabled="batchUploadForm.typeSubId === null">选择文件</el-button>
              <div slot="tip" class="el-upload__tip">选择分类后才可以上传视频</div>
            </el-upload>
          </el-form-item>
        </el-form>
      </el-dialog>

      <!-- 添加或修改视频素材库对话框 -->
      <el-dialog :title="batchEditDialog.title" :visible.sync="batchEditDialog.open" width="600px" append-to-body :before-close="batchEditCancel">
        <el-form ref="batchEditDialogForm" :model="batchEditDialog.form" :rules="batchEditDialog.rules" label-width="80px">
          <el-form-item label="素材名称" prop="resourceName" style="margin-top: 20px">
            <el-input v-model="batchEditDialog.form.resourceName" placeholder="请输入" />
          </el-form-item>

          <el-form-item label="文件名称" prop="fileName" style="margin-top: 20px;display: none">
            <el-input v-model="batchEditDialog.form.fileName" placeholder="请输入" />
          </el-form-item>

          <el-form-item label="关联题目" prop="projectIds">
            <el-select
              ref="customSelect"
              class="custom-select-class"
              v-model="batchEditDialog.form.projectIds"
              multiple
              placeholder="请选择关联题目"
              @click.native.stop="openProjectDialog(batchEditDialog.form.projectIds, 2)"
              style="width: 100%;">
              <el-option
                v-for="item in projectShowList"
                :key="item.id"
                :label="item.title"
                :value="item.id">
              </el-option>
            </el-select>
          </el-form-item>
        </el-form>
        <div slot="footer" class="dialog-footer">
          <el-button @click="batchEditCancel">取消</el-button>
          <el-button type="primary" @click="batchEditSubmitForm">保存</el-button>
        </div>
      </el-dialog>

    </el-dialog>

    <!-- 项目选择弹窗 -->
    <el-dialog
      title="选择题目"
      :visible.sync="projectDialogVisible"
      width="1000px"
      append-to-body
      @close="cancelSelectProject"
      :close-on-click-modal="false">
      <div class="project-container">
        <!-- 左侧分类树 -->
        <div class="category-tree">
          <div class="tree-fixed-header">
            <el-input
              placeholder="请输入分类名称"
              v-model="categoryFilterText"
              size="small"
              clearable
              prefix-icon="el-icon-search">
            </el-input>
          </div>
          <div class="tree-content">
            <el-tree
              ref="categoryTree"
              :data="categoryTreeData"
              node-key="cateId"
              highlight-current
              :filter-node-method="filterNode"
              :props="{ label: 'cateName', children: 'children' }"
              @node-click="handleCategoryClick"
              :expand-on-click-node="false"
              default-expand-all>
              <span class="custom-tree-node" slot-scope="{ node, data }">
                <span>{{ node.label }}</span>
              </span>
            </el-tree>
          </div>
        </div>

        <!-- 右侧题目列表 -->
        <div class="project-list">
          <div class="filter-container">
            <el-form :inline="true" :model="projectQueryParams" ref="projectForm">
              <el-form-item>
                <el-input prefix-icon="el-icon-search" @input="searchProjects" v-model="projectQueryParams.title" placeholder="请输入题目标题" clearable size="small" />
              </el-form-item>
            </el-form>
          </div>

          <el-table
            ref="projectTable"
            height="350"
            :data="projectList"
            row-key="id"
            v-loading="projectLoading"
            border
            @select="handleProjectSelect"
            @select-all="handleProjectSelect">
            <el-table-column type="selection" reserve-selection width="55" align="center" />
            <el-table-column label="序号" width="60" align="center">
              <template slot-scope="scope">
                {{ scope.$index + 1 }}
              </template>
            </el-table-column>
            <el-table-column label="题目标题" align="center" prop="title" min-width="200" show-overflow-tooltip />
          </el-table>

          <div class="table-footer">
            <el-pagination
              style="text-align: right"
              v-show="projectListTotal>0"
              :pager-count="5"
              background
              @size-change="handleProjectPageSizeChange"
              @current-change="handleProjectPageChange"
              :current-page="projectQueryParams.pageNum"
              :page-sizes="[10, 20, 30, 50]"
              :page-size="projectQueryParams.pageSize"
              layout="total, sizes, prev, pager, next, jumper"
              :total="projectListTotal">
            </el-pagination>
          </div>
        </div>
      </div>
      <div slot="footer" class="dialog-footer">
        <span style="float: left; color: #606266; font-size: 13px;">
          共选择 <span style="color: #409EFF; font-weight: bold;">{{ selectedProjectIds.length }}</span> 个题目
        </span>
        <el-button @click="projectDialogVisible = false">取消</el-button>
        <el-button type="primary" @click="confirmSelectProject">确定</el-button>
      </div>
    </el-dialog>

    <!-- 项目列表弹窗 -->
    <el-dialog
      title="题目列表"
      :visible.sync="projectListDialogVisible"
      width="600px"
      append-to-body
      :close-on-click-modal="false">
      <div class="project-list-container" style="max-height: 500px; overflow-y: auto; padding: 10px;">
        <!-- 题目列表 -->
        <div v-for="(item, index) in projectShowList" :key="index" class="question-card">
          <!-- 题目标题 -->
          <div class="question-header">
            <span class="question-index">{{ index + 1 }}</span>
            <span class="question-title">{{ item.title }}</span>
          </div>

          <!-- 题目类型 -->
          <div class="question-type">
            <el-tag size="small" type="primary">{{ item.type === 1 ? '单选' : '多选' }}</el-tag>
          </div>

          <!-- 题目内容 -->
          <div class="question-content" v-if="item.question && item.question.length > 0">
            <div class="content-title">题目内容：</div>
            <div v-for="(q, qIndex) in JSON.parse(item.question)" :key="qIndex" class="question-item"
                 :style=" q.isAnswer === 1 ? 'background-color: rgb(234 245 251)' : ''">
              <div class="question-item-header">
                <span class="item-index">{{ convertToLetter(qIndex) }}</span>
                <span class="item-name">{{ q.name }}</span>
              </div>
            </div>
          </div>

          <!-- 答案 -->
          <div class="question-answer" v-if="item.answer">
            <span class="answer-label">答案：</span>
            <span class="answer-content">{{ item.answer }}</span>
          </div>
        </div>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  addVideoResource,
  deleteVideoResource,
  getVideoResource,
  listVideoResource,
  updateVideoResource,
  batchAddVideoResource
} from '@/api/course/videoResource'
import {listUserCourseCategory,getCatePidList,getCateListByPid} from '@/api/course/userCourseCategory'
import {getByIds, listCourseQuestionBank} from '@/api/course/courseQuestionBank'
import {getThumbnail} from "@/api/course/userVideo";
import {uploadObject} from "@/utils/cos.js";
import {uploadToOBS} from "@/utils/obs.js";

export default {
  name: 'VideoResource',
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 视频素材库表格数据
      resourceList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        resourceName: null,
        fileName: null,
        typeId: null
      },
      // 表单参数
      form: {
        id: null,
        resourceName: null,
        fileName: null,
        thumbnail: null,
        line1: null,
        line2: null,
        line3: null,
        duration: null,
        fileSize: null,
        fileKey: null,
        videoUrl: null,
        typeId: null,
        typeSubId: null,
        projectIds: []
      },
      // 表单校验
      rules: {
        resourceName: [
          { required: true, message: "素材名称不能为空", trigger: "blur" }
        ],
        fileName: [
          { required: true, message: "文件名称不能为空", trigger: "blur" }
        ],
        typeId: [
          { required: true, message: "请选择分类", trigger: "change" }
        ],
        typeSubId: [
          { required: true, message: "请选择子分类", trigger: "change" }
        ],
        videoUrl: [
          { required: true, message: "请上传视频", trigger: "change" }
        ]
      },
      // 课程列表数据
      projectList: [],
      projectShowList: [],
      // 分类
      typeList: [],
      rootTypeList: [],
      subTypeList: [],
      // 视频上传
      videoDisabled: false,
      videoPreviewVisible: false,
      videoPreviewUrl: '',
      fileList: [],
      // 批量添加相关
      batchAddVisible: false,
      batchLoading: false,
      videoList: [],

      // 批量上传相关
      showUpload: false,
      batchUploadForm: {
        typeId: null,
        projectIds: [],
        files: []
      },
      batchFileList: [],

      // 弹窗选择项目相关
      projectDialogVisible: false,
      projectQueryParams: {
        pageNum: 1,
        pageSize: 10,
        questionType: null,
        title: null
      },
      projectLoading: false,
      projectListTotal: 0,
      selectedProjectIds: [],
      selectedType: 0,
      currentRow: null,
      // 分类树相关数据
      categoryFilterText: '',
      categoryTreeData: [],
      add: false,
      // 题目列表
      projectListDialogVisible: false,
      // 修改视频记录
      batchEditDialog: {
        title: '修改视频',
        open: false,
        form: {},
        rules: {
          resourceName: [
            { required: true, message: "素材名称不能为空", trigger: "blur" }
          ],
          fileName: [
            { required: true, message: "文件名称不能为空", trigger: "blur" }
          ]
        },
      },
    }
  },
  watch: {
    categoryFilterText(val) {
      this.$refs.categoryTree.filter(val);
    }
  },
  created() {
    this.getTypeList();
    this.getRootTypeList()
    this.getList();
  },
  methods: {
    /** 将数字索引转换为字母序号 (0->A, 1->B, 等) */
    convertToLetter(index) {
      // 确保索引是数字
      let numIndex = parseInt(index, 10);
      // 如果无法转换成数字，返回原始值
      if (isNaN(numIndex)) {
        return index;
      }
      // 处理负数情况
      if (numIndex < 0) {
        return index;
      }
      // 直接使用索引计算ASCII码（0对应A，1对应B，以此类推）
      return String.fromCharCode(65 + numIndex); // 65 是大写字母 A 的ASCII码
    },
    /** 查询视频素材库列表 */
    getList() {
      this.loading = true;
      listVideoResource(this.queryParams).then(response => {
        this.resourceList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.$refs.videoUpload.clearFiles()
      this.open = false;
      this.reset();
      this.changeCateType(this.queryParams.typeId)
    },
    // 表单重置
    reset() {
      // 初始化表单对象
      this.form = {
        id: null,
        resourceName: null,
        fileName: null,
        thumbnail: null,
        line1: null,
        line2: null,
        line3: null,
        duration: null,
        fileSize: null,
        fileKey: null,
        videoUrl: null,
        typeId: null,
        projectIds: []
      };
      // 重置表单验证状态
      this.resetForm("form");
      this.add = false
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      // 先清空文件列表
      this.fileList = [];
      this.projectShowList = [];

      // 先重置表单
      this.reset();
      this.subTypeList = []

      // 重置上传组件
      if (this.$refs.videoUpload) {
        this.$refs.videoUpload.clearFiles();
      }

      // 所有重置完成后再打开弹窗
      this.open = true;
      this.title = "添加视频素材库";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      // 先清空文件列表
      this.fileList = [];
      this.projectShowList = [];

      // 先重置表单
      this.reset();
      this.subTypeList = []

      const id = row.id

      // 获取数据并设置表单
      getVideoResource(id).then(async response => {
        this.form = response.data;
        await this.changeCateType(this.form.typeId)

        // 处理projectIds，确保是数组格式
        if (this.form.projectIds && typeof this.form.projectIds === 'string') {
          this.form.projectIds = this.form.projectIds.split(',').map(id => parseInt(id));
        } else if (!this.form.projectIds) {
          this.form.projectIds = [];
        }

        // 如果存在关联项目，获取项目详情用于回显
        if (this.form.projectIds && this.form.projectIds.length > 0) {
          // 加载项目列表信息用于回显
          await getByIds({ids: this.form.projectIds.join(',')}).then(reponse => {
            this.projectShowList = reponse.data
          });
        }

        // 如果存在视频URL，设置fileList
        if (this.form.videoUrl) {
          this.fileList = [{
            name: this.form.fileName || '视频文件',
            url: this.form.videoUrl,
            thumbnail: this.form.thumbnail,
            status: 'success' // 设置为成功状态
          }];
        }

        // 所有设置完成后再打开弹窗
        this.open = true;
        this.title = "修改视频素材库";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.add){
            this.$message.warning("文件上传中，请稍后再试")
            return
          }

          const params = Object.assign({}, this.form);
          params.projectIds = this.form.projectIds.join(',');
          if (this.form.id != null) {
            updateVideoResource(params).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              }
            });
          } else {
            addVideoResource(params).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除视频素材库编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return deleteVideoResource(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 查询视频分类列表 */
    getTypeList() {
      listUserCourseCategory().then(response => {
        this.typeList = response.data;
      });
    },
    getRootTypeList() {
      getCatePidList().then(response => {
        this.rootTypeList = response.data
      });
    },
    async changeCateType(val) {
      if (!val) {
        this.subTypeList = []
        return
      }
      await getCateListByPid(val).then(response => {
        this.subTypeList = response.data
      })
    },
    /** 预览视频 */
    handleVideoPreview(url) {
      this.videoPreviewVisible = true;
      this.videoPreviewUrl = url || this.form.videoUrl;
    },
    /** 格式化视频时长 */
    formatDuration(seconds) {
      if (!seconds) return '00:00';

      const minutes = Math.floor(seconds / 60);
      const remainingSeconds = seconds % 60;

      return `${minutes.toString().padStart(2, '0')}:${remainingSeconds.toString().padStart(2, '0')}`;
    },
    /** 移除视频 */
    handleRemove(file) {
      this.fileList.splice(this.fileList.indexOf(file), 1);
      this.form.videoUrl = '';
      this.form.thumbnail = '';
      this.form.duration = 0;
      this.form.fileSize = 0;
      this.form.fileName = '';
      this.form.line1 = '';
      this.form.line_2 = '';
      this.form.line_3 = '';
      this.uploadType = null
      this.fileSize = null
      this.fileKey = null
    },
    //获取第一帧封面
    async getFirstThumbnail(file, form){
      getThumbnail(file).then(response => {
        form.thumbnail = response.url;
      })
    },
    //上传腾讯云Pcdn
    async uploadVideoToTxPcdn(file, form, onProgress) {
      try {
        const data = await uploadObject(file, (progress) => {
          const progressEvent = {
            percent: Math.floor(progress.percent * 100 / 2), // COS SDK 百分比是 0-1，el-upload 需要 0-100
            loaded: progress.loaded,
            total: progress.total,
            lengthComputable: true // 文件上传通常总大小可知
          };
          onProgress(progressEvent);
        }, 1);

        let line_1 = `${process.env.VIDEO_LINE_1}${data.urlPath}`;

        form.fileKey = data.urlPath.substring(1);
        form.videoUrl = line_1;
        form.line1 = line_1;

        this.$message.success("线路一上传成功");
      } catch (error) {
        this.$message.error("线路一上传失败");
      }
    },
    //上传华为云Obs
    async uploadVideoToHwObs(file, form, onProgress) {
      try {
        const data = await uploadToOBS(file, (progress) => {
          const progressEvent = {
            percent: Math.floor(progress / 2) + 50,
            loaded: progress,
            total: progress,
            lengthComputable: true // 文件上传通常总大小可知
          };
          onProgress(progressEvent);
        }, 1);

        form.line2 = `${process.env.VIDEO_LINE_1}/${data.urlPath}`;
        this.$message.success("线路二上传成功");
      } catch (error) {
        this.$message.error("线路二上传失败");
      }
    },
    // 上传视频
    async videoUpload(options) {
      this.add = true
      const file = options.file;
      this.getMediaDuration(file)

      // 获取第一帧图片
      await this.getFirstThumbnail(file, this.form);

      // 上传腾讯云pcdn
      await this.uploadVideoToTxPcdn(file, this.form, options.onProgress);

      // 上传华为obs
      await this.uploadVideoToHwObs(file, this.form, options.onProgress);

      this.form.fileName = file.name;
      this.form.fileSize = file.size;

      this.add = false
    },
    // 获取媒体文件时长
    getMediaDuration(file) {
      // 处理视频
      const video = document.createElement('video');
      video.preload = 'metadata';
      video.onloadedmetadata = () => {
        this.form.duration = Math.round(video.duration);
      };
      video.src = URL.createObjectURL(file);
    },
    handleFileChange(file, files) {
      // 保留最后一个文件
      this.fileList = files.slice(-1);
    },
    /** 批量新增 */
    handleBatchAdd() {
      this.batchAddVisible = true;
      this.videoList = []; // 清空之前的视频列表
    },
    cancelBeforeBatch(done, cancel) {
      if (!this.videoList || this.videoList.length === 0) {
        done()
        return
      }
      this.$confirm('关闭窗口视频需要重新上传，确定关闭吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        done()
      }).catch(() => {
        cancel()
      });
    },
    /** 取消批量 */
    cancelBatch() {
      if (!this.videoList || this.videoList.length === 0) {
        this.batchAddVisible = false
        return
      }
      this.$confirm('关闭窗口视频需要重新上传，确定关闭吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
        }).then(() => {
          this.batchAddVisible = false
          this.changeCateType(this.queryParams.typeId)
      }).catch(() => {
      });
    },

    /** 提交批量添加 */
    submitBatchAdd() {
      // 检查是否所有选中的视频都已上传完成
      const incompleteVideos = this.videoList.filter(item => (item.progress || 0) < 100);

      if (incompleteVideos.length > 0) {
        this.$message.warning('有未完成上传的视频，请先完成上传');
        return;
      }

      // 调用批量添加API
      const videoList = JSON.parse(JSON.stringify(this.videoList));
      videoList.forEach(item => {
        item.projectIds = item.projectIds.join(",");
      });
      batchAddVideoResource(videoList).then(response => {
        if (response.code === 200) {
          this.$message.success('批量添加成功');
          this.batchAddVisible = false;
          this.getList();
        }
      });
    },

    /** 获取分类名称 */
    getTypeName(typeId) {
      const type = this.typeList.find(item => item.cateId === typeId);
      return type ? type.cateName : '';
    },
    /** 编辑视频信息 */
    handleEditVideo(row) {
      this.batchEditDialog.form = Object.assign({}, row)
      this.changeCateType(row.typeId)
      this.batchEditDialog.open = true
    },
    batchEditCancel() {
      this.resetForm('batchEditDialogForm')
      this.batchEditDialog.open = false
    },
    batchEditSubmitForm() {
      let temp = this.videoList.find(item => item.tempId === this.batchEditDialog.form.tempId)
      Object.assign(temp, this.batchEditDialog.form)
      this.batchEditDialog.open = false
    },
    /** 删除视频 */
    handleDeleteVideo(row) {
      this.$confirm('确认要从列表中删除该视频吗?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        // 从视频列表中删除该项
        const index = this.videoList.findIndex(item => {
          // 通过文件名和大小确定唯一性，因为临时视频可能没有id
          return item.tempId === row.tempId
        });

        if (index !== -1) {
          this.videoList.splice(index, 1);
          this.$message({
            type: 'success',
            message: '已从列表中移除该视频'
          });
        }
      }).catch(() => {
        // 取消删除
      });
    },

    /** 显示上传面板 */
    showUploadPanel() {
      this.showUpload = true;
      this.batchUploadForm = {
        typeId: null,
        typeSubId: null,
        projectIds: [],
        files: []
      };
      this.batchFileList = [];
      this.subTypeList = []
      if (this.$refs.batchVideoUpload) {
        this.$refs.batchVideoUpload.clearFiles();
      }
    },

    /** 批量文件变更 */
    handleBatchFileChange(file, fileList) {
      this.batchFileList = fileList;
    },
    /** 批量上传视频 */
    async batchVideoUpload(options) {
      const file = options.file;

      // 创建临时视频对象添加到列表中
      const tempVideo = {
        tempId: Math.random().toString(36).substring(2, 15),
        resourceName: file.name.split('.')[0], // 使用文件名作为视频名称
        fileName: file.name,
        thumbnail: null,
        line1: null,
        line2: null,
        line3: null,
        duration: 0, // 先默认为0，后续获取真实时长
        fileSize: file.size,
        fileKey: null,
        videoUrl: null,
        typeId: this.batchUploadForm.typeId, // 使用选择的分类
        typeSubId: this.batchUploadForm.typeSubId, // 使用选择的子分类
        projectIds: this.batchUploadForm.projectIds, // 使用选择的项目
        progress: 0, // 上传进度
        file: file // 保存文件引用
      };

      // 添加到视频列表
      this.videoList.unshift(tempVideo);

      // 获取视频时长
      const video = document.createElement('video');
      video.preload = 'metadata';
      video.onloadedmetadata = () => {
        const index = this.videoList.findIndex(item => item.tempId === tempVideo.tempId);
        if (index !== -1) {
          tempVideo.duration = Math.round(video.duration);
        }
      };
      video.src = URL.createObjectURL(file);

      // 关闭上传弹窗，返回批量选择视频弹窗
      this.showUpload = false;

      try {
        // 获取封面
        await this.getFirstThumbnail(file, tempVideo);

        // 上传到第一个服务器
        await this.uploadVideoToTxPcdn(file, tempVideo, (event) => {
            tempVideo.progress = event.percent
        });

        // 上传到第二个服务器
        await this.uploadVideoToHwObs(file, tempVideo, (event) => {
          tempVideo.progress = event.percent
        });

      } catch (error) {
        this.$message.error(`文件 ${file.name} 上传失败: ${error.message || '未知错误'}`);
      }

      if (this.$refs.batchVideoUpload) {
        this.$refs.batchVideoUpload.clearFiles();
      }
    },
    /** 复制视频链接到剪贴板 */
    copy(url) {
      // 创建一个临时的input元素
      const input = document.createElement('input');
      // 设置input的值为要复制的视频链接
      input.value = url;
      // 将input添加到DOM中
      document.body.appendChild(input);
      // 选中input的值
      input.select();
      // 执行复制命令
      document.execCommand('copy');
      // 从DOM中移除input元素
      document.body.removeChild(input);
      // 提示用户复制成功
      this.$message({
        message: '已复制到剪贴板',
        type: 'success',
        duration: 1500
      });
    },
    getProjectList() {
      this.projectLoading = true
      listCourseQuestionBank(this.projectQueryParams).then(response => {
        this.projectList = response.rows;
        this.projectListTotal = response.total;

        // 如果存在已选择的项目，预选中表格中对应的行
        this.$nextTick(() => {
          // 获取表格组件实例
          const projectTable = this.$refs.projectTable;
          if (projectTable) {
            if (this.selectedProjectIds.length > 0) {
              // 遍历项目列表，找到匹配的ID并选中对应行
              const selectedIds = this.selectedProjectIds;
              this.projectList.forEach(row => {
                if (selectedIds.includes(row.id)) {
                  projectTable.toggleRowSelection(row, true);
                }
              });
            }
          }
        });
        this.projectLoading = false
      });
    },
    /** 打开项目选择弹窗 */
    openProjectDialog(projectIds, type) {
      this.$nextTick(() => {
        if (this.$refs.customSelect) {
          this.$refs.customSelect.blur();
        }
      });
      // 重置查询参数
      this.projectQueryParams = {
        pageNum: 1,
        pageSize: 10,
        questionType: null,
        title: null
      };

      this.selectedType = type

      // 设置选中的项目IDs
      if (projectIds) {
        if (typeof projectIds === 'string') {
          this.selectedProjectIds = projectIds.split(',').map(id => parseInt(id));
        } else if (Array.isArray(projectIds)) {
          this.selectedProjectIds = [...projectIds];
        } else if (typeof projectIds === 'number') {
          this.selectedProjectIds = [projectIds];
        }
      } else {
        this.selectedProjectIds = [];
      }

      // 显示弹窗
      this.projectDialogVisible = true;

      // 加载分类树数据
      this.initCategoryTree();

      // 加载项目列表
      this.getProjectList();
    },

    /** 确认选择项目 */
    confirmSelectProject() {
      // 更新表单中的项目ID
      if (this.selectedType === 0) {
        this.form.projectIds = this.selectedProjectIds;
      }

      else if (this.selectedType === 1) {
        this.batchUploadForm.projectIds = this.selectedProjectIds;
      }

      else if (this.selectedType === 2) {
        this.batchEditDialog.form.projectIds = this.selectedProjectIds;
      }

      else if (this.selectedType === 3) {
        const params = {
          id: this.currentRow.id,
          projectIds: this.selectedProjectIds.join(",")
        }
        updateVideoResource(params).then(response => {
          if (response.code === 200) {
            this.msgSuccess("修改成功");
            this.open = false;
            this.getList();
          }
        });
      }

      else if (this.selectedType === 4) {
        this.currentRow.projectIds = this.selectedProjectIds
      }

      this.projectDialogVisible = false;
    },

    /** 取消选择项目 */
    cancelSelectProject() {
      const projectTable = this.$refs.projectTable;
      if (projectTable) {
        // 清空表格数据
        projectTable.clearSelection();
      }
      this.projectDialogVisible = false;
    },
    handleProjectSelect(selection) {
      this.selectedProjectIds = selection.map(item => item.id);
      selection.forEach(item => {
        // 检查是否已存在该项目,不存在则添加
        if (!this.projectShowList.some(p => p.id === item.id)) {
          this.projectShowList.push(item);
        }
      });
    },
    /** 项目列表页码变更 */
    handleProjectPageChange(page) {
      this.projectQueryParams.pageNum = page;
      this.getProjectList();
    },

    /** 项目列表每页条数变更 */
    handleProjectPageSizeChange(size) {
      this.projectQueryParams.pageNum = 1;
      this.projectQueryParams.pageSize = size;
      this.getProjectList();
    },

    /** 处理查看项目 */
    handleViewProject(row, type) {
      // 保存当前选择的行，以便后续操作
      this.currentRow = row;

      // 设置form对象的projectIds为当前行的项目IDs
      this.projectShowList = [];

      if (!row.projectIds || row.projectIds.length === 0) {
        this.openProjectDialog(null, type)
        return;
      }

      let projectIds = row.projectIds
      if (Array.isArray(row.projectIds)) {
        projectIds = projectIds.join(',');
      }

      getByIds({ids: projectIds}).then(response => {
          this.projectShowList = response.data;
        })

      // 打开弹窗展示列表
      this.projectListDialogVisible = true;
    },
    /** 初始化分类树 */
    initCategoryTree() {
      // 获取分类列表
      listUserCourseCategory().then(response => {
        const treeDate = this.handleTree(response.data, "cateId", "pid");
        this.categoryTreeData = [{
          cateId: 0,
          cateName: '全部',
          children: treeDate
        }];
      });
    },
    filterNode(value, data) {
      if (!value) return true;
      return data.cateName.indexOf(value) !== -1;
    },
    /** 处理分类点击 */
    handleCategoryClick(data) {
      // 更新查询参数
      this.projectQueryParams.pageNum = 1;

      // 如果是全部分类，则清空分类过滤
      if (data.cateId === 0) {
        this.projectQueryParams.questionType = null;
      } else {
        this.projectQueryParams.questionType = data.cateId;
      }

      // 重新加载项目列表
      this.getProjectList();
    },

    /** 搜索项目 */
    searchProjects() {
      this.projectQueryParams.pageNum = 1;
      this.getProjectList();
    },

    /** 视频预览弹窗关闭前的处理函数 */
    handleCloseVideoPreview(done) {
      // 停止视频播放
      const video = document.getElementById('video');
      if (video) {
        video.pause();
        video.currentTime = 0;
      }
      // 关闭弹窗
      this.videoPreviewVisible = false;
      done();
    },
  }
}
</script>

<style scoped>
/* 自定义表格样式 */
.el-table .video-cell {
  padding: 5px;
}

/* 设置删除和修改按钮的间距 */
.el-button + .el-button {
  margin-left: 5px;
}

::v-deep .upload-icon {
  font-size: 28px;
  color: #8c939d;
}

::v-deep .upload-text {
  font-size: 12px;
  color: #606266;
  margin-top: 10px;
}

/* 表单样式 */
::v-deep .el-form-item {
  margin-bottom: 22px;
}

/* 批量选择弹窗样式 */
::v-deep .batch-dialog .el-dialog__body {
  padding: 0 20px 20px;
  max-height: 70vh;
  overflow-y: auto;
}

::v-deep .el-dialog .el-dialog__body {
  padding: 0 20px 20px;
  max-height: 70vh;
  overflow-y: auto;
}

.filter-container {
  padding: 15px 0;
  background-color: #fff;
  border-bottom: 1px solid #ebeef5;
  position: relative;
  text-align: right;
}

.dialog-footer {
  text-align: right;
  margin-top: 20px;
  padding-right: 20px;
}

::v-deep .batch-dialog .el-table {
  margin-top: 10px;
}

/* 按钮样式 */
::v-deep .el-button--primary {
  background-color: #1890ff;
  border-color: #1890ff;
}

::v-deep .el-button--primary:hover {
  background-color: #40a9ff;
  border-color: #40a9ff;
}

::v-deep .el-button--primary:focus {
  background-color: #40a9ff;
  border-color: #40a9ff;
}

/* 表格头部样式 */
::v-deep .batch-dialog .el-table__header-wrapper th {
  background-color: #f5f7fa;
  color: #606266;
  font-weight: 500;
  padding: 8px 0;
}

::v-deep .el-table__header-wrapper th {
  background-color: #f5f7fa;
  color: #606266;
  font-weight: 500;
  padding: 8px 0;
}

/* 确保弹窗中表格内容垂直居中 */
::v-deep .batch-dialog .el-table .cell {
  line-height: 23px;
}

::v-deep .el-table .cell {
  line-height: 23px;
}

/* 自定义滚动条样式 */
::v-deep .batch-dialog .el-dialog__body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::v-deep .el-dialog .el-dialog__body::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::v-deep .batch-dialog .el-dialog__body::-webkit-scrollbar-thumb {
  background: #c0c4cc;
  border-radius: 3px;
}

::v-deep .el-dialog .el-dialog__body::-webkit-scrollbar-thumb {
  background: #c0c4cc;
  border-radius: 3px;
}

::v-deep .batch-dialog .el-dialog__body::-webkit-scrollbar-track {
  background: #f5f7fa;
}

::v-deep .el-dialog .el-dialog__body::-webkit-scrollbar-track {
  background: #f5f7fa;
}

/* 批量上传视频弹窗样式 */
.upload-dialog .el-dialog__body {
  padding: 20px;
}

::v-deep .upload-dialog .el-dialog__header {
  padding: 15px 20px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ebeef5;
}

::v-deep .upload-dialog .el-dialog__title {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
}

/* 项目选择弹窗样式 */
::v-deep .el-dialog__wrapper {
  z-index: 2001 !important;
}

::v-deep .el-dialog__header {
  padding: 15px 20px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ebeef5;
}

::v-deep .el-dialog__title {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
}

::v-deep .el-pagination {
  text-align: center;
  margin-top: 10px;
}

/* 项目选择弹窗的样式 */
.project-container {
  display: flex;
  height: 500px;
}

.category-tree {
  width: 250px;
  height: 100%;
  border-right: 1px solid #ebeef5;
  padding: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex-shrink: 0;
}

.tree-fixed-header {
  padding: 10px;
  background-color: #fff;
  border-bottom: 1px solid #ebeef5;
  z-index: 10;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}

.tree-content {
  flex: 1;
  overflow-y: auto;
  padding: 10px 10px 10px 10px;
}

.project-list {
  flex: 1;
  padding: 10px;
  height: 100%;
  display: flex;
  flex-direction: column;
  width: calc(100% - 250px); /* 固定宽度为剩余空间 */
}

.project-list .filter-container {
  padding: 0 0 15px 0;
  text-align: left;
}

.project-list .table-footer {
  margin-top: 15px;
}

::v-deep .el-tree-node__content {
  height: 36px;
  border-radius: 4px;
  margin-bottom: 2px;
}

::v-deep .el-tree-node:focus > .el-tree-node__content {
  background-color: #e6f7ff;
}

::v-deep .el-tree-node__content:hover {
  background-color: #f0f7ff;
}

::v-deep .el-tree--highlight-current .el-tree-node.is-current > .el-tree-node__content {
  background-color: #e6f7ff;
  color: #1890ff;
}

::v-deep .custom-tree-node {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  padding: 0 8px;
}

/* 视频预览弹窗样式 */
::v-deep .video-preview-dialog {
  z-index: 3000 !important;
}

::v-deep .video-preview-dialog .el-dialog {
  margin-top: 10vh !important;
}

::v-deep .video-preview-dialog .el-dialog__header {
  padding: 15px 20px;
  background-color: #f9f9f9;
  border-bottom: 1px solid #ebeef5;
}

::v-deep .video-preview-dialog .el-dialog__body {
  padding: 15px;
  background-color: #000;
  display: flex;
  justify-content: center;
  align-items: center;
}

::v-deep .video-preview-dialog video {
  max-width: 100%;
  max-height: 70vh;
}

/* 题目列表样式 */
.project-list-container {
  background-color: #f5f7fa;
  border-radius: 4px;
}

.question-card {
  background-color: #ffffff;
  border-radius: 4px;
  box-shadow: 0 2px 12px 0 rgba(0, 0, 0, 0.05);
  padding: 15px;
  margin-bottom: 15px;
  position: relative;
}

.question-header {
  display: flex;
  align-items: flex-start;
  margin-bottom: 10px;
  border-bottom: 1px solid #ebeef5;
  padding-bottom: 10px;
}

.question-index {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  background-color: #409EFF;
  color: white;
  border-radius: 50%;
  font-size: 14px;
  margin-right: 10px;
  flex-shrink: 0;
}

.question-title {
  font-size: 16px;
  font-weight: 500;
  color: #303133;
  line-height: 1.5;
  word-break: break-all;
}

.question-type {
  margin-bottom: 15px;
}

.content-title {
  font-weight: 500;
  color: #606266;
  margin-bottom: 10px;
}

.question-content {
  margin-bottom: 15px;
}

.question-item {
  background-color: #f8f8f8;
  border-left: 3px solid #409EFF;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 0 4px 4px 0;
}

.question-item-header {
  display: flex;
  align-items: center;
  margin-bottom: 5px;
}

.item-index {
  display: inline-block;
  margin-right: 10px;
  font-weight: 500;
  color: #409EFF;
}

.item-name {
  color: #303133;
}

.question-answer {
  background-color: #f0f9eb;
  padding: 10px;
  border-radius: 4px;
  border-left: 3px solid #67c23a;
}

.answer-label {
  font-weight: 500;
  color: #67c23a;
  margin-right: 10px;
}

.answer-content {
  color: #606266;
}

::v-deep .custom-select-class .el-select__tags {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  flex-wrap: nowrap;
  max-height: 200px;
  overflow-y: auto;
}
::v-deep .custom-select-class .el-tag {
  margin-bottom: 4px;
  margin-right: 0;
}
</style>