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package upload
import (
"errors"
"gin-vue-admin/global"
"gin-vue-admin/utils"
"go.uber.org/zap"
"io"
"mime/multipart"
"os"
"path"
"strings"
"time"
)
type Local struct{}
// UploadFile 上传文件
func (l Local) UploadFile(file *multipart.FileHeader) (string, string, error) {
// 读取文件后缀
ext := path.Ext(file.Filename)
// 读取文件名并加密
name := strings.TrimSuffix(file.Filename, ext)
name = utils.MD5V([]byte(name))
// 拼接新文件名
filename := name + "_" + time.Now().Format("20060102150405") + ext
// 尝试创建此路径
mkdirErr := os.MkdirAll(global.GVA_CONFIG.Local.Path, os.ModePerm)
if mkdirErr != nil {
global.GVA_LOG.Error("function os.MkdirAll() Filed", zap.Any("err", mkdirErr.Error()))
return "", "", errors.New("function os.MkdirAll() Filed, err:" + mkdirErr.Error())
}
// 拼接路径和文件名
p := global.GVA_CONFIG.Local.Path + "/" + filename
f, openError := file.Open() // 读取文件
if openError != nil {
global.GVA_LOG.Error("function file.Open() Filed", zap.Any("err", openError.Error()))
return "", "", errors.New("function file.Open() Filed, err:" + openError.Error())
}
defer f.Close() // 创建文件 defer 关闭
out, createErr := os.Create(p)
if createErr != nil {
global.GVA_LOG.Error("function os.Create() Filed", zap.Any("err", createErr.Error()))
return "", "", errors.New("function os.Create() Filed, err:" + createErr.Error())
}
defer out.Close() // 创建文件 defer 关闭
_, copyErr := io.Copy(out, f) // 传输(拷贝)文件
if copyErr != nil {
global.GVA_LOG.Error("function io.Copy() Filed", zap.Any("err", copyErr.Error()))
return "", "", errors.New("function io.Copy() Filed, err:" + copyErr.Error())
}
return p, filename, nil
}
// DeleteFile 删除文件
func (l Local) DeleteFile(key string) error {
p := global.GVA_CONFIG.Local.Path + "/" + key
if strings.Contains(p, global.GVA_CONFIG.Local.Path) {
if err := os.Remove(p); err != nil {
return errors.New("本地文件删除失败, err:" + err.Error())
}
}
return nil
}