文件上传数据库

This commit is contained in:
2025-07-09 21:34:52 +08:00
parent b9b53fdee7
commit b0924f8a7d
5 changed files with 71 additions and 45 deletions
+37 -6
View File
@@ -9,6 +9,7 @@ import (
"io"
"net/http"
"path"
"path/filepath"
"saas/models"
"github.com/gin-gonic/gin"
@@ -49,7 +50,8 @@ func Router_file(r *gin.RouterGroup) {
if file.Size > 512 {
if file.Size < int64(models.Configs_file.Max_size) {
// 2. 安全获取文件名并处理路径问题
//filename := filepath.Base(file.Filename) // 防御性处理路径分隔符
filename := filepath.Base(file.Filename) // 防御性处理路径分隔符
//fmt.Println(filename)
// 3. 获取标准后缀名(含点)
//extWithDot := filepath.Ext(filename)
@@ -62,7 +64,8 @@ func Router_file(r *gin.RouterGroup) {
io.ReadFull(src_mime, buffer)
// 检测MIME类型
mimeType := http.DetectContentType(buffer)
if models.Configs_file.Allow_image_mime[mimeType] {
file_extname := models.Configs_file.Allow_image_mime[mimeType]
if file_extname != "" {
// 打开文件流
src, _ := file.Open()
defer src.Close()
@@ -75,10 +78,10 @@ func Router_file(r *gin.RouterGroup) {
hashBytes := hasher.Sum(nil)
hashString := hex.EncodeToString(hashBytes)
new_filename := fmt.Sprintf("%s", hashString)
new_filename := fmt.Sprintf("%s%s", hashString, file_extname)
file.Filename = new_filename
fmt.Println(user_info)
//fmt.Println(user_info)
//这是上传的真实路径
dst := path.Join(models.Configs_file.Pahts["image"], file.Filename)
@@ -87,19 +90,47 @@ func Router_file(r *gin.RouterGroup) {
if models.File_exists(dst) {
//fmt.Println("文件存在")
Return_json(ctx, "api_ok", nil)
} else {
//fmt.Println("文件no存在")
ferr := ctx.SaveUploadedFile(file, dst)
if ferr == nil {
//文件保存成功
Return_json(ctx, "api_ok", nil)
} else {
Return_json(ctx, "file_save_err", nil)
ctx.Abort() //end
}
}
//记录到数据库
//先检查数据库有没有数据
fund_file_info := models.File_info{
Name: filename,
Sha256: hashString,
Mime: mimeType,
Type: "image",
UserID: user_info.UserID,
}
fund_file_info2 := models.File_info{}
models.DB.Where(&fund_file_info).Find(&fund_file_info2)
if fund_file_info2.ID != 0 {
fmt.Println(fund_file_info2)
fund_file_info2.Const += 1
models.DB.Where(&fund_file_info).Updates(&fund_file_info2)
} else {
models.DB.Create(&fund_file_info) // 传入指针
fund_file_info2 = fund_file_info
}
red := map[string]interface{}{
"data": fund_file_info2,
}
Return_json(ctx, "api_ok", red)
} else {
Return_json(ctx, "file_mime_err", nil)