添加文件删除功能

.vscode/settings.json

@@ -0,0 +1,2 @@
+{
+}

cmd/server/main.go

@@ -41,6 +41,7 @@ func main() {
 	initMultipartHandler := handlers.NewInitMultipartHandler(s3Repo)
 	uploadPartHandler := handlers.NewUploadPartHandler(s3Repo)
 	completeMultipartHandler := handlers.NewCompleteMultipartHandler(s3Repo)
+	deleteFileHandler := handlers.NewDeleteFileHandler(s3Repo)
 
 	// Register Handlers
 	mediator.Register[handlers.UploadFileCommand, string](m, uploadHandler)
@@ -53,6 +54,7 @@ func main() {
 	mediator.Register[handlers.InitMultipartCommand, string](m, initMultipartHandler)
 	mediator.Register[handlers.UploadPartCommand, string](m, uploadPartHandler)
 	mediator.Register[handlers.CompleteMultipartCommand, string](m, completeMultipartHandler)
+	mediator.Register[handlers.DeleteFileCommand, string](m, deleteFileHandler)
 
 	// Validators
 	uploadValidator := validators.NewUploadFileValidator()
@@ -72,7 +74,7 @@ func main() {
 		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
 		c.Writer.Header().Set("Access-Control-Allow-Credentials", "true")
 		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization, accept, origin, Cache-Control, X-Requested-With")
-		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT")
+		c.Writer.Header().Set("Access-Control-Allow-Methods", "POST, OPTIONS, GET, PUT, DELETE")
 		if c.Request.Method == "OPTIONS" {
 			c.AbortWithStatus(204)
 			return
@@ -87,6 +89,9 @@ func main() {
 	r.GET("/files/list", fileEndpoint.ListFiles)
 	r.GET("/files/preview", fileEndpoint.GetPreviewURL)
 
+	// Delete file
+	r.DELETE("/files/delete", fileEndpoint.DeleteFile)
+
 	// Multipart Upload
 	r.POST("/files/multipart/init", fileEndpoint.InitMultipart)
 	r.PUT("/files/multipart/part", fileEndpoint.UploadPart)

internal/api/endpoints/file_endpoint.go

@@ -321,6 +321,42 @@ func (e *FileEndpoint) CompleteMultipart(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"location": result})
 }
 
+// DeleteFile godoc
+// @Summary      删除文件
+// @Description  从指定的存储桶删除文件
+// @Tags         文件操作
+// @Accept       json
+// @Produce      json
+// @Param        request body requests.DeleteFileRequest true "请求参数"
+// @Success      200  {object}  map[string]string "删除成功消息"
+// @Failure      400  {object}  map[string]string "参数错误"
+// @Failure      500  {object}  map[string]string "服务器内部错误"
+// @Router       /files/delete [delete]
+func (e *FileEndpoint) DeleteFile(c *gin.Context) {
+	var req requests.DeleteFileRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := e.NewFeaturesValidator.ValidateDeleteFile(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	cmd := handlers.DeleteFileCommand{
+		BucketName: req.BucketName,
+		ObjectKey:  req.ObjectKey,
+	}
+
+	result, err := mediator.Send[handlers.DeleteFileCommand, string](e.Mediator, c.Request.Context(), cmd)
+	if err != nil {
+		handleError(c, err)
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"message": result})
+}
+
 func handleError(c *gin.Context, err error) {
 	if be, ok := err.(*common.BusinessException); ok {
 		c.JSON(be.Code, gin.H{"error": be.Message})

internal/api/handlers/query_handlers.go

@@ -2,9 +2,10 @@ package handlers
 
 import (
 	"context"
+	"file-system/internal/common"
+	"file-sys
 	"file-system/internal/domain/repository"
 	"io"
-	"time"
 	"file-system/internal/common"
 )
 
@@ -67,3 +68,25 @@ func NewGetFilePreviewHandler(repo repository.FileRepository) *GetFilePreviewHan
 func (h *GetFilePreviewHandler) Handle(ctx context.Context, q GetFilePreviewQuery) (string, error) {
 	return h.Repo.GeneratePresignedURL(ctx, q.BucketName, q.ObjectKey, q.Expiry)
 }
+
+// DeleteFileCommand 删除文件命令
+type DeleteFileCommand struct {
+	BucketName string
+	ObjectKey  string
+}
+
+type DeleteFileHandler struct {
+	Repo repository.FileRepository
+}
+
+func NewDeleteFileHandler(repo repository.FileRepository) *DeleteFileHandler {
+	return &DeleteFileHandler{Repo: repo}
+}
+
+func (h *DeleteFileHandler) Handle(ctx context.Context, cmd DeleteFileCommand) (string, error) {
+	err := h.Repo.DeleteFile(ctx, cmd.BucketName, cmd.ObjectKey)
+	if err != nil {
+		return "", err
+	}
+	return "File deleted successfully", nil
+}

internal/api/requests/new_features_requests.go

@@ -36,3 +36,8 @@ type CompleteMultipartRequest struct {
 	UploadId   string        `json:"upload_id"`
 	Parts      []common.Part `json:"parts"`
 }
+
+type DeleteFileRequest struct {
+	BucketName string `json:"bucket_name"`
+	ObjectKey  string `json:"object_key"`
+}

internal/api/validators/new_features_validators.go

@@ -48,3 +48,10 @@ func (v *NewFeaturesValidator) ValidateCompleteMultipart(req *requests.CompleteM
 	}
 	return nil
 }
+
+func (v *NewFeaturesValidator) ValidateDeleteFile(req *requests.DeleteFileRequest) error {
+	if req.BucketName == "" || req.ObjectKey == "" {
+		return common.NewBusinessException("Bucket name and Object key are required")
+	}
+	return nil
+}

internal/domain/repository/file_repository.go

@@ -15,7 +15,7 @@ type FileInfo struct {
 }
 
 type ListFilesResult struct {
-	Files             []FileInfo
+	Files                 []FileInfo
 	NextContinuationToken *string
 }
 
@@ -30,7 +30,10 @@ type FileRepository interface {
 	// 新增功能
 	ListObjectsV2(ctx context.Context, bucketName string, prefix string, maxKeys int32, continuationToken *string) (*ListFilesResult, error)
 	GeneratePresignedURL(ctx context.Context, bucketName string, objectKey string, expiry time.Duration) (string, error)
-	
+
+	// 删除文件
+	DeleteFile(ctx context.Context, bucketName string, objectKey string) error
+
 	// 分片上传
 	CreateMultipartUpload(ctx context.Context, bucketName string, objectKey string) (string, error)
 	UploadPart(ctx context.Context, bucketName string, objectKey string, uploadId string, partNumber int32, data io.Reader) (string, error)

internal/infrastructure/s3/file_repository_impl.go

@@ -85,6 +85,15 @@ func (r *S3FileRepository) ListObjects(ctx context.Context, bucketName string) (
 	return objects, nil
 }
 
+// DeleteFile 删除文件
+func (r *S3FileRepository) DeleteFile(ctx context.Context, bucketName string, objectKey string) error {
+	_, err := r.client.Client.DeleteObject(ctx, &s3.DeleteObjectInput{
+		Bucket: aws.String(bucketName),
+		Key:    aws.String(objectKey),
+	})
+	return err
+}
+
 // ListObjectsV2 分页列出文件
 func (r *S3FileRepository) ListObjectsV2(ctx context.Context, bucketName string, prefix string, maxKeys int32, continuationToken *string) (*repository.ListFilesResult, error) {
 	input := &s3.ListObjectsV2Input{

web/index.html

@@ -113,6 +113,9 @@
                                         <span class="action-btn text-success" @click="downloadFile(file.Key)" title="下载">
                                             <i class="fas fa-download"></i>
                                         </span>
+                                        <span class="action-btn text-danger" @click="deleteFile(file.Key)" title="删除">
+                                            <i class="fas fa-trash-alt"></i>
+                                        </span>
                                     </td>
                                 </tr>
                                 <tr v-if="files.length === 0 && !loadingFiles">
@@ -493,6 +496,19 @@
                      window.open(url, '_blank');
                 };
 
+                // Delete
+                const deleteFile = async (key) => {
+                    if (!confirm(`确定要删除文件 "${key}" 吗？此操作不可恢复！`)) return;
+                    try {
+                        await api.delete('/files/delete', {
+                            data: { bucket_name: currentBucket.value, object_key: key }
+                        });
+                        loadFilesWrapped(currentToken.value);
+                    } catch (err) {
+                        alert('删除失败: ' + (err.response?.data?.error || err.message));
+                    }
+                };
+
                 // Utils
                 const formatSize = (bytes) => {
                     if (bytes === 0) return '0 B';
@@ -531,7 +547,7 @@
                     loadBuckets, createBucket, selectBucket, refreshFiles: () => loadFilesInitial(),
                     nextPage: nextP, prevPage,
                     triggerFileInput, handleFileSelect,
-                    previewFile, downloadFile,
+                    previewFile, downloadFile, deleteFile,
                     formatSize, formatDate, getFileIcon, getProgressBarClass
                 };
             }