feat(knowledge): 实现知识库文件上传和预处理功能

- 新增文件上传接口和相关组件
- 实现文件上传、预处理和保存功能
- 添加预处理结果预览功能
-优化知识库详情展示，增加文件内容和关键词显示
- 实现知识库文件删除功能
- TODO 拆分的文档展示  还需要调整  可能会把tags 放在标题上  需要修改样式

src/views/knowledge/detail/create.vue

@@ -12,9 +12,9 @@
         </el-steps>
 
         <div class="components">
-          <step-preprocessing v-if="active === 0" @getForm="getForm" @getDocumentId="getDocumentId" @beMinerU="beMinerU"></step-preprocessing>
-          <step-split-config ref="splitConfig" v-if="active === 1"></step-split-config>
-          <step-words v-if="active === 2"></step-words>
+          <step-preprocessing v-show="active === 0" @getForm="getForm" @getDocumentId="getDocumentId" ref="stepPreProcessing"></step-preprocessing>
+          <step-split-config ref="splitConfig" v-show="active === 1"></step-split-config>
+          <step-words v-show="active === 2"></step-words>
         </div>
       </div>
 
@@ -26,14 +26,14 @@
         <el-button size="medium" @click="active--" v-if="active >= 1">上一步</el-button>
         <!--        <el-button type="primary" size="medium" @click="active++" v-if="active < 2">下一步</el-button>-->
         <el-button type="primary" size="medium" @click="nextStep" v-if="active < 2">下一步</el-button>
-        <el-button type="primary" size="medium">取消</el-button>
+        <el-button type="primary" size="medium" @click="$router.history.go(-1)">取消</el-button>
       </div>
     </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">
       <div style="height:calc(100% - 55px);">
-        <r-miner-u :documentId="documentId"></r-miner-u>
+        <r-miner-u :documentId="documentId" @saveMarkDown="saveMarkDown"></r-miner-u>
       </div>
     </el-drawer>
   </div>
@@ -47,9 +47,9 @@ export default {
   name: 'create',
   data() {
     return {
-      visible: true,
+      visible: false,
       active: 0,
-      documentId: '1361352503568994304'
+      documentId: '1361407835582337024'
     }
   },
   props: {},
@@ -61,17 +61,30 @@ export default {
   },
   filters: {},
   methods: {
-    beMinerU() {
-      this.visible = true
+    saveMarkDown() {
+      this.visible = false
+      this.active++
+    },
+    beMinerU() {
+      setTimeout(() => {
+        this.visible = true
+      })
+    },
+    getForm(form) {
+      if (form.beMinerU) {
+        this.beMinerU()
+      } else {
+        this.saveMarkDown()
+      }
     },
-    getForm() {},
     fetchApi() {},
     getDocumentId(id) {
       this.documentId = id
     },
     nextStep() {
       if (this.active === 0) {
-        this.active++
+        // this.active++
+        this.$refs.stepPreProcessing.uploadFiled()
       } else if (this.active === 1) {
         this.$refs.splitConfig.nextStep()
       }