pqs-9100_client/frontend/src/components/ImportExcel/index.vue

<template>
    <el-dialog
        v-model="dialogVisible"
        :title="`批量添加${parameter.title}`"
        :destroy-on-close="true"
        width="580px"
        draggable
    >
        <el-form class="drawer-multiColumn-form" label-width="100px">
            <el-form-item label="模板下载 :">
                <el-button type="primary" :icon="Download" @click="downloadTemp">点击下载</el-button>
            </el-form-item>
            <el-form-item label="文件上传 :">
                <el-upload
                    action="#"
                    class="upload"
                    :drag="true"
                    :limit="excelLimit"
                    :multiple="true"
                    :show-file-list="true"
                    :http-request="uploadExcel"
                    :before-upload="beforeExcelUpload"
                    :on-exceed="handleExceed"
                    :accept="parameter.fileType!.join(',')"
                >
                    <slot name="empty">
                        <el-icon class="el-icon--upload">
                            <upload-filled />
                        </el-icon>
                        <div class="el-upload__text">
                            将文件拖到此处，或
                            <em>点击上传</em>
                        </div>
                    </slot>
                    <template #tip>
                        <slot name="tip">
                            <div class="el-upload__tip">
                                请上传 .xls , .xlsx 标准格式文件，文件最大为 {{ parameter.fileSize }}M
                            </div>
                        </slot>
                    </template>
                </el-upload>
            </el-form-item>
            <el-form-item v-if="parameter.showCover" label="数据覆盖 :">
                <el-switch v-model="isCover" />
            </el-form-item>
        </el-form>
    </el-dialog>
</template>

<script setup lang="ts" name="ImportExcel">
import { ref } from 'vue'
import { useDownload } from '@/hooks/useDownload'
import { Download } from '@element-plus/icons-vue'
import { ElMessage, ElNotification, UploadRawFile, UploadRequestOptions } from 'element-plus'

export interface ExcelParameterProps {
    title: string // 标题
    showCover?: boolean // 是否显示”数据覆盖“选项
    patternId?: string // 模式ID
    planId?: string | null //计划ID
    fileSize?: number // 上传文件的大小
    fileType?: File.ExcelMimeType[] // 上传文件的类型
    tempApi?: (params: any) => Promise<any> // 下载模板的Api
    importApi?: (params: any) => Promise<any> // 批量导入的Api
    getTableList?: () => void // 获取表格数据的Api
}

// 是否覆盖数据
const isCover = ref(false)
// 最大文件上传数
const excelLimit = ref(1)
// dialog状态
const dialogVisible = ref(false)
// 父组件传过来的参数
const parameter = ref<ExcelParameterProps>({
    title: '',
    fileSize: 5,
    fileType: ['application/vnd.ms-excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet']
})
const emit = defineEmits<{
    (e: 'result', data: boolean): void
}>()
// 接收父组件参数
const acceptParams = (params: ExcelParameterProps) => {
    parameter.value = { ...parameter.value, ...params }
    dialogVisible.value = true
}

// Excel 导入模板下载
const downloadTemp = () => {
    if (!parameter.value.tempApi) return
    useDownload(parameter.value.tempApi, `${parameter.value.title}模板`, { pattern: parameter.value.patternId }, false)
}

// 文件上传
const uploadExcel = async (param: UploadRequestOptions) => {
    let excelFormData = new FormData()
    excelFormData.append('file', param.file)
    if (parameter.value.patternId) {
        excelFormData.append('patternId', parameter.value.patternId)
    }

    excelFormData.append('planId', parameter.value.planId)

    isCover.value && excelFormData.append('isCover', isCover.value as unknown as Blob)
    //await parameter.value.importApi!(excelFormData);
    await parameter.value.importApi!(excelFormData).then(res => handleImportResponse(res))
    parameter.value.getTableList && parameter.value.getTableList()
    dialogVisible.value = false
}

async function handleImportResponse(res: any) {
    console.log(res)

    if (res.type === 'application/json') {
        const fileReader = new FileReader()
        fileReader.onloadend = () => {
            try {
                const jsonData = JSON.parse(fileReader.result)
                if (jsonData.code === 'A0000') {
                    ElMessage.success('导入成功')
                } else {
                    ElMessage.error(jsonData.message)
                }
                emit('result', jsonData.data)
            } catch (err) {
                console.log(err)
            }
        }
        fileReader.readAsText(res)
    } else {
        emit('result', false)
        ElMessage.error('导入失败，请查看下载附件！')
        let blob = new Blob([res], { type: 'application/vnd.ms-excel' })
        const url = window.URL.createObjectURL(blob)
        const link = document.createElement('a')
        link.href = url
        link.download = '导入失败数据'
        document.body.appendChild(link)
        link.click()
        link.remove()
    }
}

/**
 * @description 文件上传之前判断
 * @param file 上传的文件
 * */
const beforeExcelUpload = (file: UploadRawFile) => {
    const isExcel = parameter.value.fileType!.includes(file.type as File.ExcelMimeType)
    const fileSize = file.size / 1024 / 1024 < parameter.value.fileSize!
    if (!isExcel)
        ElNotification({
            title: '温馨提示',
            message: '上传文件只能是 xls / xlsx 格式！',
            type: 'warning'
        })
    if (!fileSize)
        setTimeout(() => {
            ElNotification({
                title: '温馨提示',
                message: `上传文件大小不能超过 ${parameter.value.fileSize}MB！`,
                type: 'warning'
            })
        }, 0)
    return isExcel && fileSize
}

// 文件数超出提示
const handleExceed = () => {
    ElNotification({
        title: '温馨提示',
        message: '最多只能上传一个文件！',
        type: 'warning'
    })
}

// 上传错误提示
// const excelUploadError = () => {
//   ElNotification({
//     title: '温馨提示',
//     message: `批量添加${parameter.value.title}失败，请您重新上传！`,
//     type: 'error',
//   })
// }

// 上传成功提示
// const excelUploadSuccess = () => {
//   ElNotification({
//     title: '温馨提示',
//     message: `批量添加${parameter.value.title}成功！`,
//     type: 'success',
//   })
// }

defineExpose({
    acceptParams
})
</script>
<style lang="scss" scoped>
@use './index.scss';
</style>