优化项目

src/utils/luckysheetHelper.ts

@@ -0,0 +1,83 @@
+import { ElMessage } from 'element-plus'
+import { exportExcel } from '@/views/system/reportForms/export.js'
+
+/** 解析 Luckysheet 接口返回的 sheet 数据 */
+export function parseLuckysheetSheets(sheets: any[]) {
+    sheets.forEach((item: any) => {
+        if (item.data1) {
+            try {
+                item.data = JSON.parse(item.data1)
+            } catch {
+                /* ignore invalid json */
+            }
+        }
+        item.celldata?.forEach((cell: any) => {
+            if (item.data?.[cell.r]?.[cell.c]?.v != null) {
+                item.data[cell.r][cell.c] = cell.v
+            }
+        })
+    })
+}
+
+declare const luckysheet: any
+
+const DEFAULT_REPORT_OPTIONS = {
+    title: '',
+    lang: 'zh',
+    showtoolbar: false,
+    showinfobar: false,
+    showsheetbar: true,
+}
+
+/** 销毁已有 Luckysheet 实例，避免重复 create 导致 DOM 堆积 */
+export function destroyLuckysheet() {
+    try {
+        if (typeof luckysheet !== 'undefined' && luckysheet.destroy) {
+            luckysheet.destroy()
+        }
+    } catch {
+        /* ignore */
+    }
+}
+
+/** 解析 sheet 数据、销毁旧实例并渲染报表 */
+export function renderLuckysheetReport(
+    container: string,
+    sheets: any[],
+    options: Record<string, any> = {}
+) {
+    parseLuckysheetSheets(sheets)
+    destroyLuckysheet()
+    setTimeout(() => {
+        luckysheet.create({
+            container,
+            ...DEFAULT_REPORT_OPTIONS,
+            ...options,
+            data: sheets,
+        })
+    }, 10)
+}
+
+/** 安全导出 Luckysheet，无数据时提示并返回 false */
+export function exportLuckysheetFile(filename: string, hasData = true): boolean {
+    if (!hasData) {
+        ElMessage.warning('暂无数据')
+        return false
+    }
+    try {
+        if (typeof luckysheet === 'undefined' || !luckysheet.getAllSheets) {
+            ElMessage.warning('暂无数据')
+            return false
+        }
+        const sheets = luckysheet.getAllSheets()
+        if (!sheets?.length) {
+            ElMessage.warning('暂无数据')
+            return false
+        }
+        exportExcel(sheets, filename)
+        return true
+    } catch {
+        ElMessage.warning('导出失败，请先加载报表数据')
+        return false
+    }
+}