From 8cda6cae648c5fb71e559236bd87f7bd1af2d142 Mon Sep 17 00:00:00 2001
From: renxiaodong <1344903914@qq.com>
Date: Mon, 11 Aug 2025 22:40:54 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A2=9E=E5=8A=A0HoverImagePreview?=
 =?UTF-8?q?=E7=BB=84=E4=BB=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 src/components/hover-image-preview/index.vue  | 93 +++++++++++++++++++
 src/utils/tools.ts                            | 41 ++++++++
 .../components/manuscript-table/index.vue     | 13 ++-
 3 files changed, 142 insertions(+), 5 deletions(-)
 create mode 100644 src/components/hover-image-preview/index.vue

diff --git a/src/components/hover-image-preview/index.vue b/src/components/hover-image-preview/index.vue
new file mode 100644
index 0000000..2366750
--- /dev/null
+++ b/src/components/hover-image-preview/index.vue
@@ -0,0 +1,93 @@
+<!--
+ * @Author: RenXiaoDong
+ * @Date: 2025-08-11 22:15:35
+-->
+<template>
+  <a-popover
+    :trigger="'hover'"
+    class="hover-big-image-preview-popover"
+    :position="props.position"
+    :mouse-enter-delay="props.enterDelay"
+    :mouse-leave-delay="props.leaveDelay"
+    :disabled="!props.src"
+  >
+    <template #content>
+      <div class="preview-container" :style="containerStyle">
+        <img :src="props.src" alt="preview" class="preview-image" />
+      </div>
+    </template>
+    
+    <slot />
+  </a-popover>
+</template>
+
+<script lang="ts" setup>
+import { computed, onMounted, ref, watch } from 'vue';
+import type { ImageOrientation } from '@/utils/tools';
+import { getImageOrientationByUrl } from '@/utils/tools';
+
+interface Props {
+  src: string;
+  position?: 'top' | 'tl' | 'tr' | 'bottom' | 'bl' | 'br' | 'left' | 'lt' | 'lb' | 'right' | 'rt' | 'rb';
+  enterDelay?: number;
+  leaveDelay?: number;
+}
+
+const props = withDefaults(defineProps<Props>(), {
+  position: 'right',
+  enterDelay: 100,
+  leaveDelay: 200,
+});
+
+const orientation = ref<ImageOrientation>('landscape');
+
+const resolveOrientation = async () => {
+  if (!props.src) {
+    orientation.value = 'landscape';
+    return;
+  }
+  const o = await getImageOrientationByUrl(props.src);
+  orientation.value = o === 'square' ? 'landscape' : o;
+};
+
+onMounted(resolveOrientation);
+watch(() => props.src, resolveOrientation);
+
+const containerStyle = computed(() => {
+  // 竖图: 306x400；横图: 400x251
+  const isPortrait = orientation.value === 'portrait';
+  const width = isPortrait ? 306 : 400;
+  const height = isPortrait ? 400 : 251;
+  return {
+    width: `${width}px`,
+    height: `${height}px`,
+  } as Record<string, string>;
+});
+</script>
+
+<style lang="scss">
+.hover-big-image-preview-popover {
+  .arco-popover-popup-content {
+    padding: 16px !important;
+    border-radius: 8px;
+    background: #fff;
+    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.1);
+  }
+
+  .preview-container {
+    box-sizing: border-box;
+    border-radius: 8px;
+    background: #fff;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    overflow: hidden;
+  }
+
+  .preview-image {
+    width: 100%;
+    height: 100%;
+    object-fit: contain;
+  }
+}
+</style>
diff --git a/src/utils/tools.ts b/src/utils/tools.ts
index 687c535..93676a4 100644
--- a/src/utils/tools.ts
+++ b/src/utils/tools.ts
@@ -298,3 +298,44 @@ export const generateFullUrl = (pathTemplate: string, params: Record<string, str
 
   return `${baseUrl}${path}`;
 };
+
+/** 图片朝向类型 */
+export type ImageOrientation = 'landscape' | 'portrait' | 'square';
+
+/**
+ * 根据宽高判断图片是横图/竖图/正方形
+ */
+export const getImageOrientationBySize = (width: number, height: number): ImageOrientation => {
+  if (!width || !height) return 'square';
+  if (width > height) return 'landscape';
+  if (height > width) return 'portrait';
+  return 'square';
+};
+
+/**
+ * 加载图片自然尺寸（跨域下需服务端允许匿名访问）
+ */
+export const getImageNaturalSize = (url: string): Promise<{ width: number; height: number }> => {
+  return new Promise((resolve) => {
+    const img = new Image();
+    img.onload = () => {
+      resolve({ width: img.naturalWidth, height: img.naturalHeight });
+    };
+    img.onerror = () => {
+      resolve({ width: 0, height: 0 });
+    };
+    // 若是跨域资源并允许匿名访问，可尝试设置
+    try {
+      img.crossOrigin = 'anonymous';
+    } catch (_) {}
+    img.src = url;
+  });
+};
+
+/**
+ * 基于图片 URL 判断图片横竖
+ */
+export const getImageOrientationByUrl = async (url: string): Promise<ImageOrientation> => {
+  const { width, height } = await getImageNaturalSize(url);
+  return getImageOrientationBySize(width, height);
+};
diff --git a/src/views/creative-generation-workshop/manuscript/list/components/manuscript-table/index.vue b/src/views/creative-generation-workshop/manuscript/list/components/manuscript-table/index.vue
index feb9347..57df651 100644
--- a/src/views/creative-generation-workshop/manuscript/list/components/manuscript-table/index.vue
+++ b/src/views/creative-generation-workshop/manuscript/list/components/manuscript-table/index.vue
@@ -71,11 +71,13 @@
           {{ exactFormatTime(record[column.dataIndex]) }}
         </template>
         <template v-else-if="column.dataIndex === 'cover'" #cell="{ record }">
-          <a-image :width="64" :height="64" :src="record.cover" class="!rounded-6px" fit="cover">
-            <template #error>
-              <img :src="icon4" class="w-full h-full" />
-            </template>
-          </a-image>
+          <HoverImagePreview :src="record.cover">
+            <a-image :width="64" :height="64" :src="record.cover" class="!rounded-6px" fit="cover">
+              <template #error>
+                <img :src="icon4" class="w-full h-full" />
+              </template>
+            </a-image>
+          </HoverImagePreview>
         </template>
         <template v-else-if="column.dataIndex === 'operation'" #cell="{ record }">
           <div class="flex items-center">
@@ -99,6 +101,7 @@ import { TABLE_COLUMNS } from './constants';
 import { CHECK_STATUS, EnumManuscriptType } from '@/views/creative-generation-workshop/manuscript/list/constants';
 
 import TextOverTips from '@/components/text-over-tips';
+import HoverImagePreview from '@/components/hover-image-preview';
 
 import icon1 from '@/assets/img/media-account/icon-delete.png';
 import icon2 from '@/assets/img/creative-generation-workshop/icon-photo.png';