feat(knowledge): 优化知识库文件上传功能

- 添加通用模板上传功能
- 优化上传接口调用逻辑
- 增加上传进度显示和模板下载功能
- 调整预处理结果预览对话框逻辑
- 优化文档详情查看功能

src/views/knowledge/detail/create.vue

@@ -12,7 +12,7 @@
         </el-steps>
 
         <div class="components">
-          <step-preprocessing ref="stepPreprocessing" v-if="active === 0" @getForm="getForm" @getDocumentId="getDocumentId"></step-preprocessing>
+          <step-preprocessing v-if="active === 0" @getForm="getForm" @getDocumentId="getDocumentId" @beMinerU="beMinerU"></step-preprocessing>
           <split-config v-if="active === 1"></split-config>
           <words v-if="active === 2"></words>
         </div>
@@ -30,7 +30,7 @@
     </el-card>
 
     <!-- 添加预处理结果预览对话框 -->
-    <el-drawer :visible.sync="visible" size="80%" title="预处理结果预览" :before-close="handleClose">
+    <el-drawer :visible.sync="visible" size="80%" title="预处理结果预览">
       <div style="height:calc(100% - 55px);">
         <r-miner-u :documentId="documentId"></r-miner-u>
       </div>
@@ -60,6 +60,9 @@ export default {
   },
   filters: {},
   methods: {
+    beMinerU() {
+      this.visible = true
+    },
     getForm() {},
     fetchApi() {},
     getDocumentId(id) {