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+<template>
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+ <el-upload
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+ ref="uploadRef"
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+ :multiple="limit > 1"
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+ name="file"
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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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+ :headers="uploadHeaders"
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+ :limit="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 >= limit }"
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+ >
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+ <Icon icon="ep:upload-filled" />
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+ </el-upload>
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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 { useMessage } from '@/hooks/web/useMessage'
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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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+
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+const message = useMessage() // 消息弹窗
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+const emit = defineEmits(['input'])
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+
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+const props = defineProps({
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+ imgs: propTypes.oneOfType([String, Object, Array]),
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+ title: propTypes.string.def('图片上传'),
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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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+})
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+// ========== 上传相关 ==========
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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 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.imgs,
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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.imgs)
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+ ? props.imgs
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+ : Array.isArray(props.imgs?.split(','))
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+ ? props.imgs?.split(',')
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+ : Array.of(props.imgs)
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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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+ 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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+ console.info(uploadList.value)
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+ console.info(fileList.value)
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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('input', 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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+}
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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('input', listToString(fileList.value))
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+ }
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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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+}
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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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+}
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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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+}
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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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+}
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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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+}
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+</style>
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xingyu4j