pd_frontend/src/components/ImagePreview/index.vue

<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>