新增打印业务绑定功能，整合原材料卡片和入场记录的打印模板配置，优化打印数据准备逻辑。新增打印机查询接口，提升打印服务的灵活性和用户体验。同时，重构相关控制器以支持新的打印常量定义，增强系统的可维护性和扩展性。

jeecgboot-vue3/src/views/xslmes/mesXslRawMaterialEntry/components/RawMaterialEntryPrintPreviewModal.vue

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+<template>
+  <a-modal
+    v-model:open="innerOpen"
+    :title="modalTitle"
+    width="960px"
+    :footer="null"
+    destroy-on-close
+    wrap-class-name="raw-material-entry-print-preview-modal"
+    @cancel="onClose"
+  >
+    <a-spin :spinning="loading">
+      <div v-if="errorText" class="preview-error">{{ errorText }}</div>
+      <div v-else class="preview-body">
+        <iframe
+          v-if="previewHtml"
+          ref="previewIframeRef"
+          class="preview-iframe"
+          title="原料入场记录打印预览"
+          :srcdoc="previewHtml"
+        />
+        <a-empty v-else-if="!loading" description="暂无预览内容" />
+      </div>
+    </a-spin>
+    <div class="preview-footer">
+      <a-space>
+        <a-button @click="innerOpen = false">关闭</a-button>
+        <a-button type="primary" :disabled="!previewHtml || !!errorText" @click="handleBrowserPrint">
+          <Icon icon="ant-design:printer-outlined" />
+          浏览器打印
+        </a-button>
+      </a-space>
+    </div>
+  </a-modal>
+</template>
+
+<script lang="ts" setup>
+  import { computed, ref, watch } from 'vue';
+  import { Icon } from '/@/components/Icon';
+  import { useMessage } from '/@/hooks/web/useMessage';
+  import { prepareNativePrint } from '../MesXslRawMaterialEntry.api';
+  import { renderNativePrintHtml } from '/@/views/print/template/native/core/printRenderer';
+  import { normalizeImportedNativeSchema } from '/@/views/print/template/native/core/nativeSchemaNormalize';
+
+  const props = defineProps<{
+    open: boolean;
+    /** 入场记录主键 */
+    entryId: string | null;
+    /** 展示在标题上的条码/说明 */
+    barcode?: string;
+  }>();
+
+  const emit = defineEmits<{
+    (e: 'update:open', v: boolean): void;
+  }>();
+
+  const { createMessage } = useMessage();
+
+  const innerOpen = computed({
+    get: () => props.open,
+    set: (v: boolean) => emit('update:open', v),
+  });
+
+  const modalTitle = computed(() => {
+    const b = String(props.barcode || '').trim();
+    return b ? `原料入场记录打印预览（条码：${b}）` : '原料入场记录打印预览';
+  });
+
+  const loading = ref(false);
+  const errorText = ref('');
+  const previewHtml = ref('');
+  const previewIframeRef = ref<HTMLIFrameElement | null>(null);
+
+  async function loadPreview(id: string) {
+    loading.value = true;
+    errorText.value = '';
+    previewHtml.value = '';
+    try {
+      const prep = (await prepareNativePrint(id)) as Record<string, unknown>;
+      const templateJsonRaw = prep.templateJson as string;
+      const printData = prep.printData as Record<string, unknown>;
+      if (!templateJsonRaw) {
+        throw new Error('模板 JSON 为空，请检查「业务打印绑定」是否已配置');
+      }
+      let raw: unknown;
+      try {
+        raw = typeof templateJsonRaw === 'string' ? JSON.parse(templateJsonRaw) : templateJsonRaw;
+      } catch {
+        throw new Error('模板 JSON 格式错误');
+      }
+      const schema = normalizeImportedNativeSchema(raw);
+      previewHtml.value = await renderNativePrintHtml(schema, printData as Record<string, unknown>);
+    } catch (e: unknown) {
+      errorText.value = e instanceof Error ? e.message : String(e);
+    } finally {
+      loading.value = false;
+    }
+  }
+
+  /**
+   * 在 Modal 内对 iframe 直接 print() 时，打印对话框易被遮罩层级挡住或焦点异常，表现为「点了没反应」。
+   * 改为在 body 下挂临时 iframe、写入同一套 HTML 再打印，与模板预览常用做法一致。
+   */
+  function handleBrowserPrint() {
+    const html = previewHtml.value;
+    if (!html?.trim()) {
+      createMessage.warning('预览未就绪，请稍后再试');
+      return;
+    }
+    const iframe = document.createElement('iframe');
+    iframe.setAttribute(
+      'style',
+      'position:fixed;left:0;top:0;width:0;height:0;border:0;opacity:0;pointer-events:none;',
+    );
+    document.body.appendChild(iframe);
+    const doc = iframe.contentDocument;
+    if (!doc) {
+      document.body.removeChild(iframe);
+      createMessage.error('无法创建打印文档');
+      return;
+    }
+    try {
+      doc.open();
+      doc.write(html);
+      doc.close();
+    } catch {
+      document.body.removeChild(iframe);
+      createMessage.error('写入打印内容失败');
+      return;
+    }
+
+    const cleanup = () => {
+      try {
+        if (iframe.parentNode) {
+          document.body.removeChild(iframe);
+        }
+      } catch {
+        // ignore
+      }
+    };
+
+    const runPrint = () => {
+      try {
+        const w = iframe.contentWindow;
+        if (!w) {
+          createMessage.error('无法唤起打印窗口');
+          cleanup();
+          return;
+        }
+        w.focus();
+        w.print();
+        /** 关闭打印对话框后移除临时 iframe（部分浏览器支持 afterprint） */
+        w.addEventListener('afterprint', cleanup, { once: true });
+        window.setTimeout(cleanup, 120000);
+      } catch {
+        createMessage.error('无法唤起打印，请检查浏览器弹窗/打印权限');
+        cleanup();
+      }
+    };
+
+    /** 等待排版与字体后再打印，减少空白页 */
+    window.setTimeout(runPrint, 100);
+  }
+
+  function onClose() {
+    errorText.value = '';
+    previewHtml.value = '';
+  }
+
+  watch(
+    () => [props.open, props.entryId] as const,
+    ([isOpen, id]) => {
+      if (isOpen && id) {
+        void loadPreview(id);
+      }
+      if (!isOpen) {
+        onClose();
+      }
+    },
+  );
+</script>
+
+<style lang="less" scoped>
+  .preview-error {
+    color: #cf1322;
+    padding: 8px 0;
+  }
+
+  .preview-body {
+    min-height: 420px;
+    max-height: 72vh;
+    overflow: auto;
+    border: 1px solid #f0f0f0;
+    border-radius: 4px;
+    background: #fafafa;
+  }
+
+  .preview-iframe {
+    display: block;
+    width: 100%;
+    min-height: 400px;
+    border: 0;
+    background: #fff;
+  }
+
+  .preview-footer {
+    margin-top: 16px;
+    padding-top: 12px;
+    border-top: 1px solid #f0f0f0;
+    text-align: right;
+  }
+</style>