Image 图片 ​

<template>
  <div class="demo-image">
    <div v-for="fit in fits" :key="fit" class="block">
      <span class="demonstration">{{ fit }}</span>
      <el-image style="width: 100px; height: 100px" :src="url" :fit="fit" />
    </div>
  </div>
</template>

<script lang="ts" setup>
import type { ImageProps } from 'element-plus'

const fits = [
  'fill',
  'contain',
  'cover',
  'none',
  'scale-down',
] as ImageProps['fit'][]
const url =
  'https://fuss10.elemecdn.com/e/5d/4a731a90594a4af544c0c25941171jpeg.jpeg'
</script>

<style scoped>
.demo-image .block {
  padding: 30px 0;
  text-align: center;
  border-right: solid 1px var(--el-border-color);
  display: inline-block;
  width: 20%;
  box-sizing: border-box;
  vertical-align: top;
}
.demo-image .block:last-child {
  border-right: none;
}
.demo-image .demonstration {
  display: block;
  color: var(--el-text-color-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}
</style>

<template>
  <div class="demo-image__placeholder">
    <div class="block">
      <span class="demonstration">Default</span>
      <el-image :src="src" />
    </div>
    <div class="block">
      <span class="demonstration">Custom</span>
      <el-image :src="src">
        <template #placeholder>
          <div class="image-slot">Loading<span class="dot">...</span></div>
        </template>
      </el-image>
    </div>
  </div>
</template>

<script lang="ts" setup>
const src =
  'https://cube.elemecdn.com/6/94/4d3ea53c084bad6931a56d5158a48jpeg.jpeg'
</script>

<style scoped>
.demo-image__placeholder .block {
  padding: 30px 0;
  text-align: center;
  border-right: solid 1px var(--el-border-color);
  display: inline-block;
  width: 49%;
  box-sizing: border-box;
  vertical-align: top;
}
.demo-image__placeholder .demonstration {
  display: block;
  color: var(--el-text-color-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}
.demo-image__placeholder .el-image {
  padding: 0 5px;
  max-width: 300px;
  max-height: 200px;
}

.demo-image__placeholder.image-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: var(--el-fill-color-light);
  color: var(--el-text-color-secondary);
  font-size: 14px;
}
.demo-image__placeholder .dot {
  animation: dot 2s infinite steps(3, start);
  overflow: hidden;
}
</style>

<template>
  <div class="demo-image__error">
    <div class="block">
      <span class="demonstration">Default</span>
      <el-image />
    </div>
    <div class="block">
      <span class="demonstration">Custom</span>
      <el-image>
        <template #error>
          <div class="image-slot">
            <el-icon><icon-picture /></el-icon>
          </div>
        </template>
      </el-image>
    </div>
  </div>
</template>

<script setup lang="ts">
import { Picture as IconPicture } from '@element-plus/icons-vue'
</script>

<style scoped>
.demo-image__error .block {
  padding: 30px 0;
  text-align: center;
  border-right: solid 1px var(--el-border-color);
  display: inline-block;
  width: 49%;
  box-sizing: border-box;
  vertical-align: top;
}
.demo-image__error .demonstration {
  display: block;
  color: var(--el-text-color-secondary);
  font-size: 14px;
  margin-bottom: 20px;
}
.demo-image__error .el-image {
  padding: 0 5px;
  max-width: 300px;
  max-height: 200px;
  width: 100%;
  height: 200px;
}

.demo-image__error .image-slot {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background: var(--el-fill-color-light);
  color: var(--el-text-color-secondary);
  font-size: 30px;
}
.demo-image__error .image-slot .el-icon {
  font-size: 30px;
}
</style>

<template>
  <div class="demo-image__lazy">
    <el-image v-for="url in urls" :key="url" :src="url" lazy />
  </div>
</template>

<script lang="ts" setup>
const urls = [
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
  'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
  'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
  'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
  'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
  'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
  'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg',
]
</script>

<style scoped>
.demo-image__lazy {
  height: 400px;
  overflow-y: auto;
}
.demo-image__lazy .el-image {
  display: block;
  min-height: 200px;
  margin-bottom: 10px;
}
.demo-image__lazy .el-image:last-child {
  margin-bottom: 0;
}
</style>

<template>
  <div class="demo-image__preview">
    <el-image
      style="width: 100px; height: 100px"
      :src="url"
      :zoom-rate="1.2"
      :max-scale="7"
      :min-scale="0.2"
      :preview-src-list="srcList"
      show-progress
      :initial-index="4"
      fit="cover"
    />
  </div>
</template>

<script lang="ts" setup>
const url =
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg'
const srcList = [
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
  'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
  'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
  'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
  'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
  'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
  'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg',
]
</script>

<style scoped>
.demo-image__error .image-slot {
  font-size: 30px;
}
.demo-image__error .image-slot .el-icon {
  font-size: 30px;
}
.demo-image__error .el-image {
  width: 100%;
  height: 200px;
}
</style>

<template>
  <div class="demo-image__manually-preview">
    <el-button @click="handleClick">show image preview</el-button>
    <el-image
      ref="imageRef"
      style="width: 100px; height: 100px"
      :src="url"
      :preview-src-list="srcList"
      fit="cover"
    />
  </div>
</template>

<script lang="ts" setup>
import { ref } from 'vue'
import type { ImageInstance } from 'element-plus'

const url =
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg'
const srcList = [
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
  'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
  'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
  'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
  'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
  'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
  'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg',
]

const imageRef = ref<ImageInstance>()
const handleClick = () => {
  imageRef.value!.showPreview()
}
</script>

<style scoped>
.demo-image__manually-preview {
  display: grid;
  gap: 10px;
}
.demo-image__manually-preview .el-button {
  width: fit-content;
}
</style>

<template>
  <div class="demo-image__custom-toolbar">
    <el-image
      style="width: 100px; height: 100px"
      :src="url"
      :preview-src-list="srcList"
      fit="cover"
    >
      <template #toolbar="{ actions, prev, next, reset, activeIndex }">
        <el-icon @click="prev"><DArrowLeft /></el-icon>
        <el-icon @click="next"><DArrowRight /></el-icon>
        <el-icon @click="actions('zoomOut')"><ZoomOut /></el-icon>
        <el-icon
          @click="actions('zoomIn', { enableTransition: false, zoomRate: 2 })"
        >
          <ZoomIn />
        </el-icon>
        <el-icon
          @click="
            actions('clockwise', { rotateDeg: 180, enableTransition: false })
          "
        >
          <RefreshRight />
        </el-icon>
        <el-icon @click="actions('anticlockwise')"><RefreshLeft /></el-icon>
        <el-icon @click="reset"><Refresh /></el-icon>
        <el-icon @click="download(activeIndex)"><Download /></el-icon>
      </template>
    </el-image>
  </div>
</template>

<script lang="ts" setup>
import ElIcon from '@element-plus/components/icon'
import {
  DArrowLeft,
  DArrowRight,
  Download,
  Refresh,
  RefreshLeft,
  RefreshRight,
  ZoomIn,
  ZoomOut,
} from '@element-plus/icons-vue'

const url =
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg'
const srcList = [
  'https://fuss10.elemecdn.com/a/3f/3302e58f9a181d2509f3dc0fa68b0jpeg.jpeg',
  'https://fuss10.elemecdn.com/1/34/19aa98b1fcb2781c4fba33d850549jpeg.jpeg',
  'https://fuss10.elemecdn.com/0/6f/e35ff375812e6b0020b6b4e8f9583jpeg.jpeg',
  'https://fuss10.elemecdn.com/9/bb/e27858e973f5d7d3904835f46abbdjpeg.jpeg',
  'https://fuss10.elemecdn.com/d/e6/c4d93a3805b3ce3f323f7974e6f78jpeg.jpeg',
  'https://fuss10.elemecdn.com/3/28/bbf893f792f03a54408b3b7a7ebf0jpeg.jpeg',
  'https://fuss10.elemecdn.com/2/11/6535bcfb26e4c79b48ddde44f4b6fjpeg.jpeg',
]

const download = (index: number) => {
  const url = srcList[index]
  const suffix = url.slice(url.lastIndexOf('.'))
  const filename = Date.now() + suffix

  fetch(url)
    .then((response) => response.blob())
    .then((blob) => {
      const blobUrl = URL.createObjectURL(new Blob([blob]))
      const link = document.createElement('a')
      link.href = blobUrl
      link.download = filename
      document.body.appendChild(link)
      link.click()
      URL.revokeObjectURL(blobUrl)
      link.remove()
    })
}
</script>