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<template>
<!-- 添加/编辑Banner对话框 -->
<el-dialog
:model-value="visible"
:title="dialogTitle"
width="600px"
:close-on-click-modal="false"
@update:model-value="handleDialogClose"
>
<el-form
:model="currentBanner"
label-width="100px"
:rules="formRules"
ref="bannerFormRef"
>
<el-form-item label="标题" prop="title">
<el-input
v-model="currentBanner.title"
placeholder="请输入Banner标题"
maxlength="255"
show-word-limit
/>
</el-form-item>
<el-form-item label="简介" prop="desc">
<el-input
v-model="currentBanner.desc"
type="textarea"
:rows="4"
placeholder="请输入Banner简介"
/>
</el-form-item>
<el-form-item label="跳转地址" prop="url">
<el-input
v-model="currentBanner.url"
placeholder="例如:https://www.example.com 或 /page/detail"
/>
<div style="margin-top: 8px; font-size: 12px; color: var(--el-text-color-secondary);">
支持外部链接(http://)和内部路由(/)
</div>
</el-form-item>
<el-form-item label="Banner图片" prop="image">
<el-upload
class="image-uploader"
:action="uploadUrl"
:headers="uploadHeaders"
:show-file-list="false"
:on-success="handleImageSuccess"
:on-error="handleImageError"
:before-upload="beforeImageUpload"
accept="*"
>
<img
v-if="currentBanner.image"
:src="getImageUrl(currentBanner.image)"
class="image-preview"
/>
<div v-else class="upload-placeholder">
<el-icon class="image-uploader-icon"><Plus /></el-icon>
<div class="el-upload__text">点击上传图片</div>
</div>
</el-upload>
<div style="margin-top: 8px; font-size: 12px; color: var(--el-text-color-secondary);">
建议尺寸:1920x600,支持 jpg、png、gif 格式,大小不超过 5MB
</div>
<el-button
v-if="currentBanner.image"
size="small"
type="danger"
text
@click="handleRemoveImage"
style="margin-top: 8px;"
>
删除图片
</el-button>
</el-form-item>
<el-form-item label="排序" prop="sort">
<el-input-number
v-model="currentBanner.sort"
:min="0"
placeholder="数字越小越靠前"
style="width: 100%"
/>
<div style="margin-top: 8px; font-size: 12px; color: var(--el-text-color-secondary);">
数字越小,排序越靠前
</div>
</el-form-item>
</el-form>
<template #footer>
<span class="dialog-footer">
<el-button @click="handleCancel">取消</el-button>
<el-button type="primary" @click="handleSave">确定</el-button>
</span>
</template>
</el-dialog>
</template>
<script setup lang="ts">
import { ref, computed, watch } from "vue";
import { ElMessage, ElForm } from "element-plus";
import { Plus } from "@element-plus/icons-vue";
// 定义Banner数据类型
interface Banner {
id: number;
title: string;
desc: string;
url: string;
image: string;
sort: number;
create_time?: number;
update_time?: number;
delete_time?: number;
}
// Props
interface Props {
visible: boolean;
banner: Partial<Banner> | null;
}
const props = withDefaults(defineProps<Props>(), {
visible: false,
banner: null,
});
// Emits
const emit = defineEmits<{
(e: "update:visible", value: boolean): void;
(e: "save", banner: Partial<Banner>): void;
(e: "cancel"): void;
}>();
// 表单引用
const bannerFormRef = ref<InstanceType<typeof ElForm>>();
// 当前操作的Banner
const currentBanner = ref<Partial<Banner>>({
id: 0,
title: "",
desc: "",
url: "",
image: "",
sort: 0,
});
// 上传配置
// @ts-ignore
const API_BASE_URL = import.meta.env.VITE_API_BASE_URL;
const uploadUrl = ref(API_BASE_URL + "/admin/uploadfiles");
const uploadHeaders = ref({
Authorization: "Bearer " + (localStorage.getItem("token") || ""),
});
// 对话框标题
const dialogTitle = computed(() => {
return props.banner?.id && props.banner.id > 0 ? "编辑Banner" : "添加Banner";
});
// 表单验证规则
const formRules = ref({
title: [{ required: true, message: "请输入Banner标题", trigger: "blur" }],
sort: [{ required: true, message: "请输入排序号", trigger: "blur" }],
});
// 监听props变化,更新当前Banner
watch(
() => props.banner,
(newBanner) => {
if (newBanner) {
currentBanner.value = {
...newBanner,
};
} else {
// 重置表单
currentBanner.value = {
id: 0,
title: "",
desc: "",
url: "",
image: "",
sort: 0,
};
}
},
{ immediate: true }
);
// 监听props.visible变化
watch(
() => props.visible,
(newVisible) => {
if (newVisible && (!props.banner || !props.banner.id)) {
// 新增时重置表单
currentBanner.value = {
id: 0,
title: "",
desc: "",
url: "",
image: "",
sort: 0,
};
}
}
);
// 取消操作
const handleCancel = () => {
emit("update:visible", false);
emit("cancel");
};
// 处理对话框关闭
const handleDialogClose = (value: boolean) => {
if (!value) {
emit("update:visible", false);
emit("cancel");
}
};
// 图片上传前校验
const beforeImageUpload = (file: any) => {
return true;
};
// 图片上传成功
const handleImageSuccess = (response: any) => {
if (response.code === 200) {
// 直接保存相对路径,不拼接API_BASE_URL
currentBanner.value.image = response.data.url || response.data.path;
ElMessage.success("图片上传成功");
} else {
ElMessage.error(response.msg || "图片上传失败");
}
};
// 图片上传失败
const handleImageError = () => {
ElMessage.error("图片上传失败,请重试");
};
// 删除图片
const handleRemoveImage = () => {
currentBanner.value.image = "";
ElMessage.success("图片已删除");
};
// 获取图片完整URL(用于预览)
const getImageUrl = (imagePath: string) => {
if (!imagePath) return "";
// 如果是绝对路径,直接返回
if (imagePath.startsWith("http")) return imagePath;
// 如果是相对路径,拼接API基础地址
return API_BASE_URL + imagePath;
};
// 保存Banner
const handleSave = async () => {
// 表单验证
if (!bannerFormRef.value) return;
const valid = await bannerFormRef.value.validate();
if (!valid) return;
// 准备提交数据
const payload = { ...currentBanner.value };
// 触发保存事件
emit("save", payload);
};
</script>
<style lang="less" scoped>
/* 对话框样式精简 */
:deep(.el-dialog__body) {
padding: 20px;
max-height: 60vh;
overflow-y: auto;
}
:deep(.el-form-item) {
margin-bottom: 16px;
}
/* 图片上传样式 */
.image-uploader {
:deep(.el-upload) {
border: 1px dashed var(--el-border-color);
border-radius: 6px;
cursor: pointer;
position: relative;
overflow: hidden;
transition: var(--el-transition-duration-fast);
&:hover {
border-color: var(--el-color-primary);
}
}
}
.image-preview {
width: 100%;
max-width: 500px;
height: auto;
max-height: 300px;
display: block;
object-fit: contain;
border-radius: 4px;
}
.upload-placeholder {
width: 100%;
min-height: 200px;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
color: var(--el-text-color-secondary);
.image-uploader-icon {
font-size: 48px;
margin-bottom: 12px;
}
.el-upload__text {
font-size: 14px;
}
}
</style>
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<template>
<div class="container-box">
<div class="header-bar">
<h2>Banner管理</h2>
<div class="header-actions">
<el-button type="primary" @click="handleAddBanner">
<el-icon>
<Plus />
</el-icon>
添加Banner
</el-button>
<el-button @click="refresh" :loading="loading">
<el-icon>
<Refresh />
</el-icon>
刷新
</el-button>
</div>
</div>
<el-divider></el-divider>
<!-- 表格 -->
<el-table
:data="bannerList"
style="width: 100%"
border
v-loading="loading"
element-loading-text="正在加载..."
>
<el-table-column type="index" label="序号" width="60" align="center" />
<el-table-column prop="title" label="标题" min-width="150" />
<el-table-column label="图片" width="200" align="center">
<template #default="scope">
<el-image
v-if="scope.row.image"
:src="getImageUrl(scope.row.image)"
:preview-src-list="[getImageUrl(scope.row.image)]"
:preview-teleported="true"
fit="cover"
style="width: 100px; height: 60px; border-radius: 4px; cursor: pointer;"
/>
<span v-else style="color: #ccc;">-</span>
</template>
</el-table-column>
<el-table-column prop="desc" label="简介" min-width="200" show-overflow-tooltip>
<template #default="scope">
<span v-if="scope.row.desc">{{ scope.row.desc }}</span>
<span v-else style="color: #ccc;">-</span>
</template>
</el-table-column>
<el-table-column prop="url" label="跳转地址" min-width="200" show-overflow-tooltip>
<template #default="scope">
<el-link v-if="scope.row.url" :href="scope.row.url" target="_blank" type="primary">
{{ scope.row.url }}
</el-link>
<span v-else style="color: #ccc;">-</span>
</template>
</el-table-column>
<el-table-column
prop="sort"
label="排序"
width="100"
align="center"
sortable
>
<template #default="scope">
<el-tag>{{ scope.row.sort || 0 }}</el-tag>
</template>
</el-table-column>
<el-table-column label="操作" width="200" fixed="right" align="center">
<template #default="scope">
<el-button size="small" text @click="handleEditBanner(scope.row)">
<el-icon>
<Edit />
</el-icon>
<span>编辑</span>
</el-button>
<el-button
size="small"
text
type="danger"
@click="handleDeleteBanner(scope.row)"
>
<el-icon>
<Delete />
</el-icon>
<span>删除</span>
</el-button>
</template>
</el-table-column>
</el-table>
<!-- 引入编辑组件 -->
<BannerEdit
v-model:visible="dialogVisible"
:banner="dialogBanner"
@save="handleBannerSave"
@cancel="handleBannerCancel"
/>
</div>
</template>
<script setup lang="ts">
import { ref, onMounted } from "vue";
import { ElMessage, ElMessageBox } from "element-plus";
import { Plus, Edit, Delete, Refresh } from "@element-plus/icons-vue";
import {
getBanners,
createBanner,
editBanner,
deleteBanner,
} from "@/api/banner";
import BannerEdit from "./components/edit.vue";
// 定义Banner数据类型
interface Banner {
id: number;
title: string;
desc: string;
url: string;
image: string;
sort: number;
create_time?: number;
update_time?: number;
delete_time?: number;
}
// Banner列表
const bannerList = ref<Banner[]>([]);
const loading = ref(false);
// 对话框相关变量
const dialogVisible = ref(false);
const dialogBanner = ref<Partial<Banner> | null>(null);
// 获取Banner列表
const fetchBanners = async () => {
loading.value = true;
try {
const result = await getBanners();
if (result.code === 200) {
bannerList.value = result.data || [];
} else {
ElMessage.error("获取Banner列表失败: " + result.message);
}
} catch (error) {
ElMessage.error("获取Banner列表失败: " + (error as Error).message);
} finally {
loading.value = false;
}
};
// 刷新界面
async function refresh() {
loading.value = true;
try {
await fetchBanners();
ElMessage.success("刷新成功");
} catch (error) {
ElMessage.error("刷新失败");
} finally {
loading.value = false;
}
}
// 添加Banner
const handleAddBanner = () => {
dialogBanner.value = {
id: 0,
title: "",
desc: "",
url: "",
image: "",
sort: 0,
};
dialogVisible.value = true;
};
// 编辑Banner
const handleEditBanner = (banner: Banner) => {
dialogBanner.value = { ...banner };
dialogVisible.value = true;
};
// 删除Banner
const handleDeleteBanner = (banner: Banner) => {
ElMessageBox.confirm(
`确定要删除Banner "${banner.title}" 吗?`,
"确认删除",
{
confirmButtonText: "确定",
cancelButtonText: "取消",
type: "warning",
}
).then(async () => {
try {
const result = await deleteBanner(banner.id);
if (result.code === 200) {
ElMessage.success("删除成功");
fetchBanners();
} else {
ElMessage.error("删除失败: " + result.message);
}
} catch (error) {
ElMessage.error("删除失败: " + (error as Error).message);
}
});
};
// 处理Banner保存
const handleBannerSave = async (banner: Partial<Banner>) => {
try {
const payload = { ...banner };
// 判断是新增还是编辑
if (!banner.id || banner.id === 0) {
// 新增Banner
const result = await createBanner(payload as Banner);
if (result.code === 200) {
ElMessage.success(result.msg || "Banner添加成功");
dialogVisible.value = false;
await fetchBanners();
} else {
ElMessage.error(result.msg || "添加失败");
}
} else {
// 编辑已存在的Banner
const result = await editBanner(banner.id!, payload as Banner);
if (result.code === 200) {
ElMessage.success(result.msg || "更新成功");
dialogVisible.value = false;
await fetchBanners();
} else {
ElMessage.error(result.msg || "更新失败");
}
}
} catch (error) {
ElMessage.error("操作失败: " + (error as Error).message);
}
};
// 处理Banner取消
const handleBannerCancel = () => {
dialogVisible.value = false;
};
// 获取图片完整URL(用于显示)
// @ts-ignore
const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || '/api';
const getImageUrl = (imagePath: string) => {
if (!imagePath) return '';
// 如果是绝对路径,直接返回
if (imagePath.startsWith('http')) return imagePath;
// 如果是相对路径,拼接API基础地址
return API_BASE_URL + imagePath;
};
// 组件挂载时加载Banner列表
onMounted(() => {
fetchBanners();
});
</script>
<style lang="less" scoped>
.header-bar {
display: flex;
justify-content: space-between;
align-items: center;
padding: 16px 20px;
}
.header-bar h2 {
margin: 0;
font-size: 18px;
font-weight: 500;
}
.header-actions {
display: flex;
gap: 8px;
}
/* 表格样式 */
:deep(.el-table) {
border-radius: 0;
width: 100% !important;
}
:deep(.el-table__body td) {
padding: 12px 0;
vertical-align: middle;
}
</style>