新增图片预览组件

src/components/ImagePreview/index.vue

@@ -0,0 +1,67 @@
+<template>
+  <el-image :src="`${realSrc}`" fit="cover" :style="`width:${realWidth};height:${realHeight};`" :preview-src-list="[`${realSrc}`]">
+    <template #error>
+      <div class="image-slot">
+        <el-icon><picture-filled /></el-icon>
+      </div>
+    </template>
+  </el-image>
+</template>
+
+<script setup>
+import { isExternal } from '@/utils/validate'
+
+const props = defineProps({
+  src: {
+    type: String,
+    required: true
+  },
+  width: {
+    type: [Number, String],
+    default: ''
+  },
+  height: {
+    type: [Number, String],
+    default: ''
+  }
+});
+
+const realSrc = computed(() => {
+  if (isExternal(props.src)) {
+    return props.src
+  }
+  return import.meta.env.VITE_APP_BASE_API + props.src
+})
+
+const realWidth = computed(
+  () => typeof props.width == 'string' ? props.width : `${props.width}px`
+);
+
+const realHeight = computed(
+  () => typeof props.height == 'string' ? props.height : `${props.height}px`
+);
+</script>
+
+<style lang="scss" scoped>
+.el-image {
+    border-radius: 5px;
+    background-color: #ebeef5;
+    box-shadow: 0 0 5px 1px #ccc;
+    :deep(.el-image__inner) {
+        transition: all 0.3s;
+        cursor: pointer;
+        &:hover {
+            transform: scale(1.2);
+        }
+    }
+    :deep(.image-slot) {
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        width: 100%;
+        height: 100%;
+        color: #909399;
+        font-size: 30px;
+    }
+}
+</style>

src/main.js

@@ -33,6 +33,8 @@ import Pagination from '@/components/Pagination'
 import RightToolbar from '@/components/RightToolbar'
 // 图片上传组件
 import ImageUpload from "@/components/ImageUpload"
+// 图片预览组件
+import ImagePreview from "@/components/ImagePreview"
 // 自定义树选择组件
 import TreeSelect from '@/components/TreeSelect'
 // 字典标签组件
@@ -54,6 +56,7 @@ app.component('DictTag', DictTag)
 app.component('Pagination', Pagination)
 app.component('TreeSelect', TreeSelect)
 app.component('ImageUpload', ImageUpload)
+app.component('ImagePreview', ImagePreview)
 app.component('RightToolbar', RightToolbar)
 
 app.use(router)