import { ref } from 'vue'
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import { ElMessage } from 'element-plus'
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export function usePrintExportPage({
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downloadFileName,
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requestExport,
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resolvePrintRecords,
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buildPreviewRows,
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buildPreviewMeta
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}) {
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const previewVisible = ref(false)
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const previewRows = ref([])
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const previewMeta = ref({})
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const previewToken = ref(0)
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const activePrintToken = ref(0)
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const handlePreviewVisibleChange = (visible) => {
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previewVisible.value = Boolean(visible)
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if (!visible) {
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activePrintToken.value = 0
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}
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}
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const handleExport = async (payload) => {
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try {
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const response = await requestExport(payload)
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if (!response.ok) {
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throw new Error(`导出失败 (${response.status})`)
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}
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const blob = await response.blob()
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const downloadUrl = window.URL.createObjectURL(blob)
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const link = document.createElement('a')
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link.href = downloadUrl
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link.download = downloadFileName
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document.body.appendChild(link)
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link.click()
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link.remove()
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window.URL.revokeObjectURL(downloadUrl)
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ElMessage.success('导出成功')
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} catch (error) {
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ElMessage.error(error?.message || '导出失败')
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}
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}
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const handlePrint = async (payload) => {
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const token = previewToken.value + 1
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previewToken.value = token
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activePrintToken.value = token
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previewVisible.value = false
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previewRows.value = []
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previewMeta.value = {}
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try {
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const records = await resolvePrintRecords(payload)
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if (activePrintToken.value !== token) {
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return
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}
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const rows = buildPreviewRows(records)
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previewRows.value = rows
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previewMeta.value = buildPreviewMeta(rows)
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handlePreviewVisibleChange(true)
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} catch (error) {
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if (activePrintToken.value !== token) {
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return
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}
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ElMessage.error(error?.message || '打印失败')
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}
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}
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return {
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previewVisible,
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previewRows,
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previewMeta,
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handlePreviewVisibleChange,
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handleExport,
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handlePrint
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}
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}
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