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@ -1,176 +1,267 @@
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<template>
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<div class="component-upload-image">
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<div class="upload-box">
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<el-upload
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ref="uploadRef"
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:multiple="props.limit > 1"
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name="file"
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v-model="valueRef"
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list-type="picture-card"
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v-model:file-list="fileList"
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:show-file-list="true"
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:action="updateUrl"
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:id="uuid"
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:class="['upload', drag ? 'no-border' : '']"
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:multiple="false"
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:show-file-list="false"
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:headers="uploadHeaders"
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:limit="props.limit"
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:before-upload="beforeUpload"
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:on-exceed="handleExceed"
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:on-success="handleFileSuccess"
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:on-error="excelUploadError"
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:on-remove="handleRemove"
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:on-preview="handlePictureCardPreview"
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:class="{ hide: fileList.length >= props.limit }"
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:on-success="uploadSuccess"
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:on-error="uploadError"
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:drag="drag"
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:accept="fileType.join(',')"
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>
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<Icon icon="ep:upload-filled" />
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<template v-if="modelValue">
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<img :src="modelValue" class="upload-image" />
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<div class="upload-handle" @click.stop>
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<div class="handle-icon" @click="editImg">
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<Icon icon="ep:edit" />
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<span>{{ t('action.edit') }}</span>
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</div>
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<div class="handle-icon" @click="imgViewVisible = true">
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<Icon icon="ep:zoom-in" />
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<span>{{ t('action.detail') }}</span>
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</div>
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<div class="handle-icon" @click="deleteImg">
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<Icon icon="ep:delete" />
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<span>{{ t('action.del') }}</span>
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</div>
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</div>
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</template>
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<template v-else>
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<div class="upload-empty">
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<slot name="empty">
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<Icon icon="ep:plus" />
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<!-- <span>请上传图片</span> -->
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</slot>
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</div>
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</template>
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</el-upload>
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<div class="el-upload__tip">
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<slot name="tip"></slot>
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</div>
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<el-image-viewer
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v-if="imgViewVisible"
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@close="imgViewVisible = false"
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:url-list="[modelValue]"
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/>
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</div>
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<!-- 文件列表 -->
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<Dialog v-model="dialogVisible" title="预览" width="800" append-to-body>
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<img :src="dialogImageUrl" style="display: block; max-width: 100%; margin: 0 auto" />
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</Dialog>
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</template>
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<script setup lang="ts">
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import { ref, watch } from 'vue'
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import { Dialog } from '@/components/Dialog'
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<script setup lang="ts" name="UploadImg">
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import { ref } from 'vue'
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import type { UploadProps } from 'element-plus'
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import { ElUpload, ElNotification, ElImageViewer } from 'element-plus'
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import { useI18n } from '@/hooks/web/useI18n'
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import { useMessage } from '@/hooks/web/useMessage'
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import { generateUUID } from '@/utils'
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import { propTypes } from '@/utils/propTypes'
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import { getAccessToken, getTenantId } from '@/utils/auth'
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import { ElUpload, UploadInstance, UploadProps, UploadRawFile, UploadUserFile } from 'element-plus'
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const message = useMessage() // 消息弹窗
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const emit = defineEmits(['update:modelValue'])
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type FileTypes =
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| 'image/apng'
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| 'image/bmp'
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| 'image/gif'
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| 'image/jpeg'
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| 'image/pjpeg'
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| 'image/png'
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| 'image/svg+xml'
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| 'image/tiff'
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| 'image/webp'
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| 'image/x-icon'
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// 接受父组件参数
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const props = defineProps({
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modelValue: propTypes.oneOfType([String, Object, Array]),
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title: propTypes.string.def('图片上传'),
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modelValue: propTypes.string.def(''),
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updateUrl: propTypes.string.def(import.meta.env.VITE_UPLOAD_URL),
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fileType: propTypes.array.def(['jpg', 'png', 'gif', 'jpeg']), // 文件类型, 例如['png', 'jpg', 'jpeg']
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fileSize: propTypes.number.def(5), // 大小限制(MB)
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limit: propTypes.number.def(1), // 数量限制
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isShowTip: propTypes.bool.def(false) // 是否显示提示
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drag: propTypes.bool.def(true), // 是否支持拖拽上传 ==> 非必传（默认为 true）
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disabled: propTypes.bool.def(false), // 是否禁用上传组件 ==> 非必传（默认为 false）
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fileSize: propTypes.number.def(5), // 图片大小限制 ==> 非必传（默认为 5M）
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fileType: propTypes.array.def(['image/jpeg', 'image/png', 'image/gif']), // 图片类型限制 ==> 非必传（默认为 ["image/jpeg", "image/png", "image/gif"]）
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height: propTypes.string.def('150px'), // 组件高度 ==> 非必传（默认为 150px）
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width: propTypes.string.def('150px'), // 组件宽度 ==> 非必传（默认为 150px）
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borderRadius: propTypes.string.def('8px') // 组件边框圆角 ==> 非必传（默认为 8px）
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})
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// ========== 上传相关 ==========
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const valueRef = ref(props.modelValue)
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const uploadRef = ref<UploadInstance>()
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const uploadList = ref<UploadUserFile[]>([])
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const fileList = ref<UploadUserFile[]>([])
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const uploadNumber = ref<number>(0)
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const dialogImageUrl = ref()
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const dialogVisible = ref(false)
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const { t } = useI18n() // 国际化
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const message = useMessage() // 消息弹窗
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// 生成组件唯一id
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const uuid = ref('id-' + generateUUID())
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// 查看图片
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const imgViewVisible = ref(false)
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const emit = defineEmits(['update:modelValue'])
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const deleteImg = () => {
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emit('update:modelValue', '')
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}
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const uploadHeaders = ref({
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Authorization: 'Bearer ' + getAccessToken(),
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'tenant-id': getTenantId()
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})
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watch(
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() => props.modelValue,
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(val) => {
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if (val) {
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// 首先将值转为数组, 当只穿了一个图片时，会报map方法错误
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const list = Array.isArray(props.modelValue)
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? props.modelValue
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: Array.isArray(props.modelValue?.split(','))
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? props.modelValue?.split(',')
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: Array.of(props.modelValue)
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// 然后将数组转为对象数组
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fileList.value = list.map((item) => {
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if (typeof item === 'string') {
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// edit by 芋道源码
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item = { name: item, url: item }
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}
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return item
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})
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} else {
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fileList.value = []
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return []
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}
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},
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{
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deep: true,
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immediate: true
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}
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)
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// 文件上传之前判断
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const beforeUpload: UploadProps['beforeUpload'] = (file: UploadRawFile) => {
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if (fileList.value.length >= props.limit) {
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message.error(`上传文件数量不能超过${props.limit}个!`)
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return false
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}
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let fileExtension = ''
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if (file.name.lastIndexOf('.') > -1) {
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fileExtension = file.name.slice(file.name.lastIndexOf('.') + 1)
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}
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const isImg = props.fileType.some((type: string) => {
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if (file.type.indexOf(type) > -1) return true
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return !!(fileExtension && fileExtension.indexOf(type) > -1)
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})
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const isLimit = file.size < props.fileSize * 1024 * 1024
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if (!isImg) {
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message.error(`文件格式不正确, 请上传${props.fileType.join('/')}格式!`)
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return false
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}
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if (!isLimit) {
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message.error(`上传文件大小不能超过${props.fileSize}MB!`)
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return false
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}
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message.success('正在上传文件，请稍候...')
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uploadNumber.value++
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}
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// 处理上传的文件发生变化
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// const handleFileChange = (uploadFile: UploadFile): void => {
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// uploadRef.value.data.path = uploadFile.name
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// }
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// 文件上传成功
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const handleFileSuccess: UploadProps['onSuccess'] = (res: any): void => {
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message.success('上传成功')
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uploadList.value.push({ name: res.data, url: res.data })
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if (uploadList.value.length == uploadNumber.value) {
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fileList.value = fileList.value.concat(uploadList.value)
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uploadList.value = []
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uploadNumber.value = 0
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emit('update:modelValue', listToString(fileList.value))
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}
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}
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// 文件数超出提示
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const handleExceed: UploadProps['onExceed'] = (): void => {
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message.error(`上传文件数量不能超过${props.limit}个!`)
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}
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// 上传错误提示
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const excelUploadError: UploadProps['onError'] = (): void => {
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message.error('导入数据失败，请您重新上传！')
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const editImg = () => {
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const dom = document.querySelector(`#${uuid.value} .el-upload__input`)
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dom && dom.dispatchEvent(new MouseEvent('click'))
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}
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// 删除上传文件
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const handleRemove = (file) => {
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const findex = fileList.value.map((f) => f.name).indexOf(file.name)
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if (findex > -1) {
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fileList.value.splice(findex, 1)
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emit('update:modelValue', listToString(fileList.value))
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}
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const beforeUpload: UploadProps['beforeUpload'] = (rawFile) => {
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const imgSize = rawFile.size / 1024 / 1024 < props.fileSize
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const imgType = props.fileType
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if (!imgType.includes(rawFile.type as FileTypes))
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ElNotification({
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title: '温馨提示',
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message: '上传图片不符合所需的格式！',
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type: 'warning'
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})
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if (!imgSize)
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ElNotification({
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title: '温馨提示',
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message: `上传图片大小不能超过 ${props.fileSize}M！`,
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type: 'warning'
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})
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return imgType.includes(rawFile.type as FileTypes) && imgSize
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}
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// 对象转成指定字符串分隔
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const listToString = (list: UploadUserFile[], separator?: string) => {
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let strs = ''
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separator = separator || ','
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for (let i in list) {
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strs += list[i].url + separator
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}
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return strs != '' ? strs.substr(0, strs.length - 1) : ''
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// 图片上传成功提示
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const uploadSuccess: UploadProps['onSuccess'] = (res: any): void => {
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message.success('上传成功')
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emit('update:modelValue', res.data)
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}
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// 预览
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const handlePictureCardPreview: UploadProps['onPreview'] = (file) => {
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dialogImageUrl.value = file.url
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dialogVisible.value = true
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// 图片上传错误提示
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const uploadError = () => {
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ElNotification({
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title: '温馨提示',
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message: '图片上传失败，请您重新上传！',
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type: 'error'
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})
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}
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</script>
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<style scoped lang="scss">
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// .el-upload--picture-card 控制加号部分
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:deep(.hide .el-upload--picture-card) {
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display: none;
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.is-error {
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.upload {
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:deep(.el-upload),
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:deep(.el-upload-dragger) {
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border: 1px dashed var(--el-color-danger) !important;
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&:hover {
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border-color: var(--el-color-primary) !important;
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}
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}
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}
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}
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// 去掉动画效果
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:deep(.el-list-enter-active, .el-list-leave-active) {
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transition: all 0s;
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:deep(.disabled) {
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.el-upload,
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.el-upload-dragger {
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cursor: not-allowed !important;
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background: var(--el-disabled-bg-color);
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border: 1px dashed var(--el-border-color-darker) !important;
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&:hover {
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border: 1px dashed var(--el-border-color-darker) !important;
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}
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}
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}
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:deep(.el-list-enter, .el-list-leave-active) {
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opacity: 0;
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transform: translateY(0);
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.upload-box {
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.no-border {
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:deep(.el-upload) {
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border: none !important;
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}
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}
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:deep(.upload) {
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.el-upload {
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position: relative;
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display: flex;
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align-items: center;
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justify-content: center;
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width: v-bind(width);
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height: v-bind(height);
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overflow: hidden;
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border: 1px dashed var(--el-border-color-darker);
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border-radius: v-bind(borderRadius);
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transition: var(--el-transition-duration-fast);
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&:hover {
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border-color: var(--el-color-primary);
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.upload-handle {
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opacity: 1;
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}
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}
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.el-upload-dragger {
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display: flex;
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align-items: center;
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justify-content: center;
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width: 100%;
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height: 100%;
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padding: 0;
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overflow: hidden;
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background-color: transparent;
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border: 1px dashed var(--el-border-color-darker);
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border-radius: v-bind(borderRadius);
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&:hover {
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border: 1px dashed var(--el-color-primary);
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}
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}
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.el-upload-dragger.is-dragover {
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background-color: var(--el-color-primary-light-9);
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border: 2px dashed var(--el-color-primary) !important;
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}
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.upload-image {
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width: 100%;
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height: 100%;
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object-fit: contain;
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}
|
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.upload-empty {
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position: relative;
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
|
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font-size: 12px;
|
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line-height: 30px;
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color: var(--el-color-info);
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.el-icon {
|
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font-size: 28px;
|
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color: var(--el-text-color-secondary);
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}
|
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}
|
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.upload-handle {
|
|
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|
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position: absolute;
|
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top: 0;
|
|
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right: 0;
|
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|
|
box-sizing: border-box;
|
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|
|
display: flex;
|
|
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|
|
align-items: center;
|
|
|
|
|
justify-content: center;
|
|
|
|
|
width: 100%;
|
|
|
|
|
height: 100%;
|
|
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|
|
cursor: pointer;
|
|
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|
|
background: rgb(0 0 0 / 60%);
|
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|
|
opacity: 0;
|
|
|
|
|
transition: var(--el-transition-duration-fast);
|
|
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|
|
.handle-icon {
|
|
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|
|
display: flex;
|
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|
|
|
flex-direction: column;
|
|
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|
|
align-items: center;
|
|
|
|
|
justify-content: center;
|
|
|
|
|
padding: 0 6%;
|
|
|
|
|
color: aliceblue;
|
|
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|
|
.el-icon {
|
|
|
|
|
margin-bottom: 40%;
|
|
|
|
|
font-size: 130%;
|
|
|
|
|
line-height: 130%;
|
|
|
|
|
}
|
|
|
|
|
span {
|
|
|
|
|
font-size: 85%;
|
|
|
|
|
line-height: 85%;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
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|
|
.el-upload__tip {
|
|
|
|
|
line-height: 18px;
|
|
|
|
|
text-align: center;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
</style>
|
|
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|
xingyu
3 years ago