feat(note): 新增笔记创建和编辑功能

- 实现了笔记创建和编辑的前端逻辑
- 更新了相关的后端接口和数据库操作
- 优化了分组获取和展示逻辑
-调整了 Markdown 文件更新接口

biji-houdaun/src/main/java/com/test/bijihoudaun/controller/GroupingController.java

@@ -1,5 +1,6 @@
 package com.test.bijihoudaun.controller;
 
+import cn.hutool.core.util.StrUtil;
 import com.test.bijihoudaun.common.response.R;
 import com.test.bijihoudaun.entity.Grouping;
 import com.test.bijihoudaun.service.GroupingService;
@@ -29,14 +30,14 @@ public class GroupingController {
 
     @Operation(summary = "获取全部分组")
     @Parameters({
-            @Parameter(name = "parentId", description = "0是一级，其他的是看它的父级id", required = true)
+            @Parameter(name = "parentId", description = "0是一级，其他的是看它的父级id", required = false)
     })
     @GetMapping
-    public R<List<Grouping>> getAllGroupings(String parentId) {
-        if (parentId == null) {
-            return R.fail("参数不能为空");
+    public R<List<Grouping>> getAllGroupings(@RequestParam(required = false) String parentId) {
+        Long l= null;
+        if (StrUtil.isNotEmpty(parentId)) {
+             l = Long.parseLong(parentId);
         }
-        long l = Long.parseLong(parentId);
         List<Grouping> groupings = groupingService.getAllGroupings(l);
         return R.success(groupings);
     }

biji-houdaun/src/main/java/com/test/bijihoudaun/controller/MarkdownController.java

@@ -10,6 +10,7 @@ import io.swagger.v3.oas.annotations.tags.Tag;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Date;
 import java.util.List;
 
 @Tag(name = "markdown接口")
@@ -61,21 +62,10 @@ public class MarkdownController {
     }
 
     @Operation(summary = "更新Markdown文件")
-    @Parameters({
-            @Parameter(name = "id", description = "Markdown文件ID", required = true),
-            @Parameter(name = "content", description = "Markdown文件内容", required = true)
-    })
-    @PostMapping("/{id}")
-    public R<MarkdownFile> updateMarkdown(
-            @PathVariable String id,
-             String content) {
-        long l = Long.parseLong(id);
-        MarkdownFile file = markdownFileService.updateMarkdownContent(l, content);
-
-        if (file != null) {
-            return R.success(file);
-        }
-        return R.fail();
+    @PostMapping("/updateMarkdown")
+    public R<MarkdownFile> updateMarkdown(@RequestBody MarkdownFile markdownFile) {
+        MarkdownFile file = markdownFileService.updateMarkdownContent(markdownFile);
+        return R.success(file);
     }
 
     @Operation(summary = "获取所有Markdown文件")

biji-houdaun/src/main/java/com/test/bijihoudaun/service/MarkdownFileService.java

@@ -18,11 +18,9 @@ public interface MarkdownFileService extends IService<MarkdownFile> {
 
     /**
      * 更新Markdown内容
-     * @param id 文件ID
-     * @param content 新内容
      * @return 更新后的文件对象
      */
-    MarkdownFile updateMarkdownContent(Long id, String content);
+    MarkdownFile updateMarkdownContent(MarkdownFile markdownFile);
     
     /**
      * 根据ID获取Markdown文件

biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/GroupingServiceImpl.java

@@ -27,9 +27,11 @@ public class GroupingServiceImpl
 
     @Override
     public List<Grouping> getAllGroupings(Long parentId) {
-//        return groupingMapper.selectList(new LambdaQueryWrapper<Grouping>()
-//                .eq(Grouping::getParentId, parentId));
-        return groupingMapper.selectList(null);
+        if (parentId == null){
+            return groupingMapper.selectList(null);
+        }
+        return groupingMapper.selectList(new LambdaQueryWrapper<Grouping>()
+                .eq(Grouping::getParentId, parentId));
     }
 
     @Override

biji-houdaun/src/main/java/com/test/bijihoudaun/service/impl/MarkdownFileServiceImpl.java

@@ -40,14 +40,16 @@ public class MarkdownFileServiceImpl
     }
 
     @Override
-    public MarkdownFile updateMarkdownContent(Long id, String content) {
-        MarkdownFile file = this.getById(id);
-        if (file != null) {
-            file.setContent(content);
-            file.setUpdatedAt(new Date());
-            this.updateById(file);
+    public MarkdownFile updateMarkdownContent(MarkdownFile markdownFile) {
+        markdownFile.setUpdatedAt(new Date());
+        if (markdownFile.getId() != null){
+            markdownFileMapper.update(markdownFile, new QueryWrapper<MarkdownFile>().eq("id", markdownFile.getId()));
+        }else {
+            markdownFile.setId(snowflakeIdGenerator.nextId());
+            markdownFile.setCreatedAt(new Date());
+            markdownFileMapper.insert(markdownFile);
         }
-        return file;
+        return markdownFile;
     }
     
     @Override