审计导出功能--初版

frontend/src/audit/export/auditExportService.ts

@@ -0,0 +1,31 @@
+import { auditExportColumns } from "./auditExportColumns";
+import { formatAuditRows } from "./auditExportFormatter";
+import type { AuditEvent } from "..";
+
+const BOM = "\ufeff";
+
+const escapeCsv = (val: string) => {
+  const safe = (val ?? "").replace(/"/g, '""');
+  return `"${safe}"`;
+};
+
+const buildCsv = (rows: Record<string, string>[]) => {
+  const header = auditExportColumns.map((c) => escapeCsv(c.label)).join(",");
+  const body = rows.map((row) => auditExportColumns.map((c) => escapeCsv(row[c.key] || "")).join(",")).join("\n");
+  return `${BOM}${header}\n${body}`;
+};
+
+export interface AuditExportOptions {
+  fileName: string;
+}
+
+export const exportAuditCsv = (events: AuditEvent[], options: AuditExportOptions) => {
+  const rows = formatAuditRows(events);
+  const csv = buildCsv(rows);
+  const blob = new Blob([csv], { type: "text/csv;charset=utf-8;" });
+  const link = document.createElement("a");
+  link.href = URL.createObjectURL(blob);
+  link.download = options.fileName.endsWith(".csv") ? options.fileName : `${options.fileName}.csv`;
+  link.click();
+  URL.revokeObjectURL(link.href);
+};