添加案例管理四个子页面
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<template>
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<el-config-provider :locale="zhCn">
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<div class="p-6 bg-white rounded-lg shadow-md min-h-screen pb-24" v-loading="loading">
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<div class="flex flex-col md:flex-row justify-between items-start md:items-center mb-6 gap-4">
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<span class="text-2xl font-bold text-gray-700">课程管理列表</span>
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<div class="flex w-full md:w-auto gap-3">
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<el-input
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v-model="searchParams.keyword"
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placeholder="搜索课程标题"
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clearable
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style="width: 250px"
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@keyup.enter="handleSearch"
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>
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<template #append>
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<el-button icon="Search" @click="handleSearch"></el-button>
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</template>
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</el-input>
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</div>
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</div>
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<el-table :data="tableData" style="width: 100%" row-key="id" max-height="82vh">
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<el-table-column prop="id" label="ID" width="80" sortable fixed></el-table-column>
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<el-table-column label="封面" width="180">
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<template #default="scope">
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<el-image style="width: 120px; height: 70px; border-radius: 6px;" :src="scope.row.cover_url" :preview-src-list="[scope.row.cover_url]" fit="cover" :preview-teleported="true" hide-on-click-modal>
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<template #error>
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<div class="flex items-center justify-center w-full h-full bg-gray-100 text-gray-500">加载失败</div>
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</template>
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</el-image>
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</template>
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</el-table-column>
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<el-table-column prop="title" label="课程标题" min-width="200" show-overflow-tooltip>
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<template #default="scope">
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<span class="font-semibold">{{ scope.row.title }}</span>
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</template>
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</el-table-column>
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<el-table-column prop="subtitle" label="课程副标题" min-width="200" show-overflow-tooltip></el-table-column>
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<el-table-column label="课程简介" min-width="250">
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<template #default="scope">
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<div class="content-preview" :title="scope.row.intro || '无简介'">
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{{ scope.row.intro ? (scope.row.intro.length > 100 ? `${scope.row.intro.slice(0, 100)}...` : scope.row.intro) : '无简介' }}
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</div>
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<el-button size="mini" type="text" class="mt-1 text-blue-600" @click="handleViewIntro(scope.row)">查看详情</el-button>
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</template>
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</el-table-column>
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<el-table-column prop="status" label="状态" width="120">
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<template #default="scope">
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<el-tag :type="scope.row.status === 1 ? 'success' : 'danger'">
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{{ scope.row.status === 1 ? '已发布' : '已删除' }}
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</el-tag>
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</template>
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</el-table-column>
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<el-table-column prop="create_time" label="创建时间" width="180" sortable></el-table-column>
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<el-table-column prop="update_time" label="更新时间" width="180" sortable></el-table-column>
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<el-table-column label="操作" width="200" fixed="right">
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<template #default="scope">
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<div class="action-buttons">
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<!-- 只允许编辑已发布的课程 -->
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<el-button
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size="small"
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type="primary"
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:icon="Edit"
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@click="handleEdit(scope.row)"
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:disabled="scope.row.status !== 1"
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:title="scope.row.status !== 1 ? '只能编辑已发布的课程' : ''"
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>
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编辑
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</el-button>
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<el-button size="small" type="danger" :icon="Delete" @click="handleDelete(scope.row)">删除</el-button>
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</div>
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</template>
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</el-table-column>
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</el-table>
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<!-- 简介详情弹窗 -->
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<el-dialog v-model="introDialogVisible" title="课程简介详情" :width="`800px`" :before-close="handleCloseDialog">
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<h3 class="text-xl font-bold text-gray-800 mb-4">课程标题： {{ currentCourse.title }}</h3>
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<div class="content-full text-gray-700 leading-relaxed whitespace-pre-wrap">
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{{ currentCourse.intro || '当前课程暂无简介' }}
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</div>
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</el-dialog>
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</div>
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<div class="fixed bottom-0 right-0 w-full p-4 bg-white shadow-[0_-2px_5px_rgba(0,0,0,0.05)] flex justify-end z-10 border-t border-gray-200">
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<el-pagination class="custom-pagination" background layout="total, sizes, prev, pager, next, jumper" :total="total" v-model:current-page="currentPage" v-model:page-size="pageSize" :page-sizes="[10, 20, 50, 100]" @size-change="handleSizeChange" @current-change="handleCurrentChange"></el-pagination>
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</div>
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<!-- 编辑抽屉 -->
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<el-drawer v-model="drawerVisible" title="编辑课程" direction="rtl" size="60%" :before-close="handleDrawerClose" destroy-on-close>
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<div class="publish-form-container">
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<div class="form-group title-group">
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<label class="form-label">课程标题 <span class="text-danger">*</span></label>
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<el-input v-model="form.title" placeholder="请输入课程标题" clearable :disabled="isSubmitting" />
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</div>
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<div class="form-group subtitle-group">
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<label class="form-label">课程副标题</label>
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<el-input v-model="form.subtitle" placeholder="请输入课程副标题（可选）" clearable :disabled="isSubmitting" />
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</div>
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<div class="form-group cover-group">
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<label class="form-label">课程封面</label>
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<el-upload action="http://localhost:8080/api/upload/cover" name="image" :show-file-list="false" :on-success="handleCoverSuccess" :before-upload="beforeCoverUpload" :on-error="handleCoverError" :disabled="isSubmitting">
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<img v-if="form.cover_url" :src="form.cover_url" class="cover-preview" alt="封面"/>
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<el-icon v-else class="cover-uploader-icon"><Plus /></el-icon>
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</el-upload>
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</div>
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<div class="form-group intro-group">
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<label class="form-label">课程简介</label>
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<el-input
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v-model="form.intro"
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type="textarea"
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:rows="8"
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placeholder="请输入课程简介"
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clearable
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:disabled="isSubmitting"
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/>
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</div>
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</div>
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<template #footer>
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<div style="flex: auto">
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<el-button @click="handleDrawerClose">取消</el-button>
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<el-button type="primary" @click="submitCourse" :loading="isSubmitting">
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更新课程
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</el-button>
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</div>
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</template>
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</el-drawer>
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</el-config-provider>
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</template>
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<script lang="ts" setup>
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import { ref, onMounted } from 'vue';
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import { ElMessage, ElMessageBox, ElConfigProvider, ElDrawer, ElInput, ElUpload, ElSelect, ElOption, ElTag, ElButton } from 'element-plus';
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import { Edit, Delete, Plus, Search } from '@element-plus/icons-vue';
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import type { UploadProps } from 'element-plus';
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import zhCn from 'element-plus/dist/locale/zh-cn.mjs';
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// --- 类型定义（适配course表和返回结构） ---
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interface Course {
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id: number;
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title: string;
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subtitle: string;
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cover_url: string;
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intro: string;
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status: number; // 0-删除，1-已发布
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create_time: string;
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update_time: string;
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}
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interface ListCourseReq {
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page: number;
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size: number;
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status?: number | '';
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keyword: string;
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}
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// 接口返回数据结构
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interface CourseListResponse {
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total: number;
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list: Course[];
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}
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// 课程更新请求结构
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interface UpdateCourseReq {
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id: number;
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title: string;
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subtitle: string;
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cover_url: string;
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intro: string;
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status: 1; // 只能是1（已发布）
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}
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// --- 列表页相关状态与逻辑 ---
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const loading = ref(true);
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const tableData = ref<Course[]>([]);
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const currentPage = ref(1);
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const pageSize = ref(10);
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const total = ref(0);
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const introDialogVisible = ref(false);
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const currentCourse = ref<Course>({
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id: 0,
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title: '',
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subtitle: '',
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cover_url: '',
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intro: '',
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status: 1,
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create_time: '',
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update_time: ''
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});
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// 搜索参数
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const searchParams = ref<ListCourseReq>({
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page: 1,
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size: 10,
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status: 1,
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keyword: ''
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});
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// --- 获取课程列表 ---
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const fetchData = async () => {
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loading.value = true;
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try {
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// 构造请求参数
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const reqData: ListCourseReq = {
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page: currentPage.value,
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size: pageSize.value,
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keyword: searchParams.value.keyword
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};
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// 只有当status有值时才添加到请求参数中，并且确保是数字类型
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if (searchParams.value.status !== '') {
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reqData.status = Number(searchParams.value.status);
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}
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// 使用带/api前缀的URL
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const response = await fetch('http://localhost:8080/api/courses/list', {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json',
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// 可以添加其他必要的请求头，如认证信息
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// 'Authorization': 'Bearer ' + yourToken
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},
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body: JSON.stringify(reqData)
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});
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if (!response.ok) {
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// 尝试获取详细错误信息
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const errorData = await response.json().catch(() => null);
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console.error('服务器返回错误:', errorData);
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throw new Error(`请求失败！状态码：${response.status}，原因：${errorData?.message || '未知错误'}`);
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}
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// 解析响应数据
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const data: CourseListResponse = await response.json();
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tableData.value = data.list || [];
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total.value = data.total || 0;
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} catch (error) {
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console.error('[ERROR] 获取课程列表失败：', error);
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ElMessage.error(`获取课程列表失败: ${(error as Error).message}`);
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} finally {
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loading.value = false;
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}
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};
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onMounted(fetchData);
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// 搜索处理
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const handleSearch = () => {
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currentPage.value = 1; // 搜索时重置到第一页
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fetchData();
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};
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// --- 查看简介详情 ---
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const handleViewIntro = (row: Course) => {
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currentCourse.value = { ...row };
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introDialogVisible.value = true;
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};
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const handleCloseDialog = () => {
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introDialogVisible.value = false;
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};
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// --- 删除课程 ---
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const handleDelete = (row: Course) => {
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ElMessageBox.confirm(`确定要删除课程《${row.title}》吗？此操作无法撤销！`, '警告', {
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confirmButtonText: '确定删除',
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cancelButtonText: '取消',
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type: 'warning',
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})
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.then(async () => {
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try {
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const response = await fetch(`http://localhost:8080/api/courses/${row.id}`, {
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method: 'DELETE',
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});
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if (!response.ok) {
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const errData = await response.json().catch(() => null);
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throw new Error(errData?.message || '删除失败');
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}
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ElMessage.success('删除成功！');
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fetchData();
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} catch (error) {
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console.error('[ERROR] 删除课程失败：', error);
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ElMessage.error(`删除课程失败: ${(error as Error).message}`);
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}
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})
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.catch(() => {
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ElMessage.info('已取消删除');
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});
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};
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// --- 分页相关 ---
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const handleSizeChange = (val: number) => {
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pageSize.value = val;
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searchParams.value.size = val;
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currentPage.value = 1;
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fetchData();
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};
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const handleCurrentChange = (val: number) => {
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currentPage.value = val;
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searchParams.value.page = val;
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fetchData();
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};
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// =================================================================
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// 抽屉编辑相关状态与逻辑
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// =================================================================
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const drawerVisible = ref(false);
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const isSubmitting = ref(false);
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// 表单默认值（适配course表字段）
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const defaultFormState = () => ({
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id: null as number | null,
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title: '',
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subtitle: '',
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cover_url: '',
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intro: '',
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status: 1 as 1 // 固定为1（已发布）
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});
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const form = ref(defaultFormState());
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// --- 编辑课程 ---
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const handleEdit = (row: Course) => {
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// 只允许编辑已发布的课程
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if (row.status !== 1) {
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ElMessage.warning('只能编辑已发布的课程');
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return;
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}
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form.value = {
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id: row.id,
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title: row.title,
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subtitle: row.subtitle,
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cover_url: row.cover_url,
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intro: row.intro,
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status: 1 // 固定为已发布状态
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};
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drawerVisible.value = true;
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};
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const handleDrawerClose = () => {
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drawerVisible.value = false;
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// 重置表单
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form.value = defaultFormState();
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};
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// --- 提交课程更新 ---
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const submitCourse = async () => {
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if (!form.value.title) {
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ElMessage.warning('请输入课程标题');
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return;
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}
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if (!form.value.id) {
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ElMessage.error('课程ID丢失，无法更新！');
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return;
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}
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isSubmitting.value = true;
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// 构造包含id的更新请求数据
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const submitData: UpdateCourseReq = {
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id: form.value.id,
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title: form.value.title,
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subtitle: form.value.subtitle,
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cover_url: form.value.cover_url,
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intro: form.value.intro,
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status: 1 // 固定为已发布
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};
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console.log("修改课程信息：", JSON.stringify(submitData));
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try {
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// 使用PUT方法更新课程
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const url = `http://localhost:8080/api/courses`;
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const response = await fetch(url, {
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method: 'PUT',
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headers: {
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'Content-Type': 'application/json',
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// 可以添加其他必要的请求头，如认证信息
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// 'Authorization': 'Bearer ' + yourToken
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},
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body: JSON.stringify(submitData),
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});
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if (!response.ok) {
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const errorData = await response.json().catch(() => null);
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throw new Error(errorData?.message || '提交失败');
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}
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ElMessage.success('课程更新成功！');
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drawerVisible.value = false;
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fetchData();
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} catch (error) {
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const err = error as Error;
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ElMessage.error(`更新失败: ${err.message}`);
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} finally {
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isSubmitting.value = false;
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}
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};
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// --- 封面上传处理 ---
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const handleCoverSuccess: UploadProps['onSuccess'] = (response) => {
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const ossUrl = response.data?.url;
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if (ossUrl) {
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form.value.cover_url = ossUrl;
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ElMessage.success('封面上传成功');
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} else {
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ElMessage.error('封面上传失败');
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}
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};
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const beforeCoverUpload: UploadProps['beforeUpload'] = (rawFile) => {
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const isLt5M = rawFile.size / 1024 / 1024 < 5;
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if (!isLt5M) {
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ElMessage.error('图片大小不能超过 5MB!');
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}
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return isLt5M;
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};
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const handleCoverError = () => {
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ElMessage.error('封面上传失败');
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};
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</script>
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<style scoped>
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/* 表格样式 */
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.el-table .el-table__cell { vertical-align: middle; }
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.el-table__header-wrapper th { background-color: #fafafa !important; font-weight: 600; color: #333; }
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.action-buttons .el-button { margin-right: 8px; }
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.content-preview { color: #666; line-height: 1.5; word-break: break-all; }
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.content-full { min-height: 200px; padding: 20px; background-color: #f9fafb; border-radius: 8px; }
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.el-dialog__title { font-size: 18px !important; font-weight: 600 !important; }
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/* 分页器样式 */
|
||||
.custom-pagination { justify-content: flex-end !important; }
|
||||
.custom-pagination .el-pagination__total,
|
||||
.custom-pagination .el-pagination__sizes,
|
||||
.custom-pagination .el-pagination__jump { margin-right: 16px !important; }
|
||||
.custom-pagination .el-pagination__jump .el-input { width: 60px !important; }
|
||||
|
||||
/* 抽屉内表单样式 */
|
||||
.publish-form-container { padding: 0 20px; }
|
||||
.form-group { margin-bottom: 24px; }
|
||||
.form-label { display: block; margin-bottom: 8px; color: #333; font-size: 14px; font-weight: 600; }
|
||||
.form-label .text-danger { color: #f56c6c; }
|
||||
.cover-uploader .el-upload { border: 1px dashed #d9d9d9; border-radius: 6px; cursor: pointer; position: relative; overflow: hidden; }
|
||||
.cover-uploader .el-upload:hover { border-color: #409EFF; }
|
||||
.cover-uploader-icon { font-size: 28px; color: #8c939d; width: 178px; height: 178px; text-align: center; display: flex; align-items: center; justify-content: center; }
|
||||
.cover-preview { width: 178px; height: 178px; display: block; object-fit: cover; border-radius: 6px; }
|
||||
|
||||
/* 标签样式 */
|
||||
.el-tag { font-size: 13px; padding: 4px 8px; }
|
||||
</style>
|
||||
@@ -0,0 +1,7 @@
|
||||
<template>
|
||||
<div>
|
||||
</div>
|
||||
|
||||
</template>
|
||||
<script setup lang="ts">
|
||||
</script>
|
||||
@@ -0,0 +1,5 @@
|
||||
<template>
|
||||
<div>
|
||||
</div>
|
||||
|
||||
</template>
|
||||
Reference in New Issue
Block a user