新增PrintDot桥接功能，支持本地打印机连接和配置，优化打印模板设计，允许多页表格重复显示，改进打印预览和设计器界面，确保用户体验流畅。

jeecgboot-vue3/src/views/print/template/utils/printNativeViaPrintDot.ts

@@ -0,0 +1,38 @@
+import type { NativeTemplateSchema } from '../native/core/types';
+import { renderNativePrintHtml } from '../native/core/printRenderer';
+import { buildPdfBase64FromHtmlFragment, extractBodyInnerHtmlFromFullDocument } from './printHtmlToPdfBase64';
+import { fetchPrintDotPrinters, printDotSendPdf, resolvePrintDotPrinterName } from './printDotBridge';
+
+const PRINTER_STORAGE_KEY = 'print_template_selected_printer';
+
+/**
+ * 原生模板：渲染 HTML → 转 PDF → 经 PrintDot 本地桥接器送打印机
+ */
+export async function printNativeSchemaViaPrintDot(params: {
+  schema: NativeTemplateSchema;
+  data: Record<string, any>;
+  jobName?: string;
+  /** 与模板列表一致：可为具体打印机名或 __system_default__；缺省读 localStorage */
+  printerSelection?: string;
+}): Promise<void> {
+  const fullHtml = await renderNativePrintHtml(params.schema, params.data);
+  const inner = extractBodyInnerHtmlFromFullDocument(fullHtml);
+  const pdfBase64 = await buildPdfBase64FromHtmlFragment(inner, params.schema.page.width, params.schema.page.height, {
+    paginate: true,
+  });
+  const printers = await fetchPrintDotPrinters();
+  const fromStore = params.printerSelection ?? localStorage.getItem(PRINTER_STORAGE_KEY) ?? '__system_default__';
+  const resolved = resolvePrintDotPrinterName(fromStore, printers);
+  if (!resolved) {
+    throw new Error('未解析到可用打印机：请在模板列表选择打印机，或启动 PrintDot 后刷新打印机列表');
+  }
+  const result = await printDotSendPdf({
+    printer: resolved,
+    pdfBase64,
+    jobName: params.jobName,
+    timeoutMs: 180000,
+  });
+  if (!result.ok) {
+    throw new Error(result.message || 'PrintDot 打印失败');
+  }
+}