feat: 帮助文档页面多语言

src/views/tool/help/index.vue

@@ -79,7 +79,13 @@ function fnDownload() {
 
 /**系统使用手册跳转 */
 function fnClickHelpDoc() {
-  window.open(docUrl.value, '_blank');
+  // 浏览器支持 PDF 预览
+  if (navigator.pdfViewerEnabled) {
+    window.open(docUrl.value, '_blank');
+  } else {
+    // 浏览器不支持 PDF 预览
+    alert(t('views.tool.help.pdfViewerErr'));
+  }
 }
 
 onMounted(() => {
@@ -104,11 +110,11 @@ onMounted(() => {
       <a-space :size="12" align="center">
         <a-button type="default" @click="fnClickHelpDoc()">
           <template #icon><ToTopOutlined /> </template>
-          浏览器内打开
+          {{ t('views.tool.help.pdfViewer') }}
         </a-button>
         <a-button type="primary" @click="fnDownload()">
           <template #icon><DownloadOutlined /></template>
-          下载
+          {{ t('views.tool.help.download') }}
         </a-button>
       </a-space>
     </a-col>
@@ -126,7 +132,9 @@ onMounted(() => {
     </a-col>
     <a-col :span="20" class="right">
       <div class="right-view">
+        <a-spin size="large" style="margin: 50%" v-if="pages === 0" />
         <VuePDF
+          v-else
           :pdf="pdf"
           :page="viewPage"
           :scale="viewScale"
@@ -134,7 +142,7 @@ onMounted(() => {
           :annotations-filter="['Link']"
           @annotation="fnAnnotation"
         >
-          <a-spin style="margin: 50%" />
+          <a-spin size="large" style="margin: 50%" />
         </VuePDF>
       </div>
     </a-col>