1 第一步框架搭建新建一个全新的MVC项目 （项目参考文档https://docs.aliyun.com/?spm=5176.383663.9.6.5OJI07#/pub/oss/sdk/sdk-download&dotnet）
2.第二步引用阿里成都程序集SDK 可以在NuGet搜索下载
3第三步代码实现
public class UploadFileHelper
{
public static OSSConfiguation _OssConfiguation;
public static OssClient ossClient;
public static string bucketName = "";
public static string accessid = ""; // AccessID
public static string accesskey = ""; // AccessKey
public static string endpoint = "";
public static string folder = "";
public static string localPath = "";
public static bool Islocal = false;
public static string imgBucket = "";
public static string pdfBucket = "";
static UploadFileHelper()
{
_OssConfiguation = (OSSConfiguation)System.Configuration.ConfigurationManager.GetSection("OSSConfig");
bucketName = _OssConfiguation.OssConfigService.imgBucket ==""
? _OssConfiguation.OssConfigService.pdfBucket
: _OssConfiguation.OssConfigService.imgBucket;
accessid = _OssConfiguation.OssConfigService.accessid;
accesskey = _OssConfiguation.OssConfigService.accesskey;
endpoint = _OssConfiguation.OssConfigService.endpoint;
folder = _OssConfiguation.OssConfigService.folder;
localPath = _OssConfiguation.OssConfigService.localPath;
Islocal =Boolean.Parse(_OssConfiguation.OssConfigService.Islocal);
}
/// <summary>
/// 上传文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
public static bool UploadFile(HttpPostedFileBase file)
{
if (Islocal)
{
//本地存储Local
return UploadLocalFile(file);
}
else
{
//开放存储OSS
return UploadOSSFile(file);
}
}
/// <summary>
/// 上传本地文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private static bool UploadLocalFile(HttpPostedFileBase file)
{
try
{
string newfilename = file.FileName;
string serverTempFilePath = localPath + newfilename;
file.SaveAs(serverTempFilePath);
return true;
}
catch (Exception)
{
return false;
throw;
}
}
/// <summary>
/// 上传阿里云文件
/// </summary>
/// <param name="file"></param>
/// <returns></returns>
private static bool UploadOSSFile(HttpPostedFileBase file)
{
try
{
ossClient = new OssClient(endpoint, accessid, accesskey); //当然这里可以封装下
var meta = new ObjectMetadata();
meta.CacheControl = "max-age=315360000";
meta.ContentType = ContentType((file.FileName).Substring(file.FileName.LastIndexOf(".")));
var stream = file.InputStream;
string name = folder + "/" + file.FileName;
PutObjectResult result = ossClient.PutObject(bucketName, name, stream, meta);
var fileinfo = ossClient.GetObject(bucketName, name);
AccessControlList accs = ossClient.GetBucketAcl(bucketName);
string imgurl = string.Empty;
if (!accs.Grants.Any()) //判断是否有读取权限
{
imgurl = ossClient.GeneratePresignedUri(bucketName, name, DateTime.Now.AddMinutes(5)).AbsoluteUri;
//生成一个签名的Uri 有效期5分钟
}
else
{
imgurl = string.Format("http://{0}.oss.aliyuncs.com/{1}", bucketName, name);
}
return true;
}
catch (Exception ex)
{
return false;
throw new Exception(ex.Message);
}
//Response.Write(string.Format("<img src={0}>", imgurl));
}
/// <summary>
/// 类型
/// </summary>
/// <param name="FilenameExtension"></param>
/// <returns></returns>
public static string ContentType(String FilenameExtension)
{
string type = "";
if (FilenameExtension.Equals("BMP") || FilenameExtension.Equals("bmp"))
{
type = "image/bmp";
}
if (FilenameExtension.Equals("GIF") || FilenameExtension.Equals("gif"))
{
type = "image/gif";
}
if (FilenameExtension.Equals("JPEG") || FilenameExtension.Equals("jpeg") ||
FilenameExtension.Equals("JPG") || FilenameExtension.Equals("jpg") ||
FilenameExtension.Equals("PNG") || FilenameExtension.Equals("png"))
{
type = "image/jpeg";
}
if (FilenameExtension.Equals("HTML") || FilenameExtension.Equals("html"))
{
type = "text/html";
}
if (FilenameExtension.Equals("TXT") || FilenameExtension.Equals("txt"))
{
type = "text/plain";
}
if (FilenameExtension.Equals("VSD") || FilenameExtension.Equals("vsd"))
{
type = "application/vnd.visio";
}
if (FilenameExtension.Equals("PPTX") || FilenameExtension.Equals("pptx") ||
FilenameExtension.Equals("PPT") || FilenameExtension.Equals("ppt"))
{
type = "application/vnd.ms-powerpoint";
}
if (FilenameExtension.Equals("DOCX") || FilenameExtension.Equals("docx") ||
FilenameExtension.Equals("DOC") || FilenameExtension.Equals("doc"))
{
type = "application/msword";
}
if (FilenameExtension.Equals("XML") || FilenameExtension.Equals("xml"))
{
type = "text/xml";
}
if (FilenameExtension.Equals("PFD") || FilenameExtension.Equals("pdf"))
{
type = "application/pdf";
}
return type;
}
/// <summary>
/// 创建模拟文件夹
/// </summary>
public static void CreateFolderName()
{
// 初始化OssClient
ossClient = new OssClient(endpoint, accessid, accesskey);
const string key = "yourfolder/";
using (MemoryStream ms = new MemoryStream())
{
ossClient.PutObject(bucketName, key, ms);
}
}
/// <summary>
/// 获取所有图片
/// </summary>
public static OSSInfoListModel Bind()
{
var model = new OSSInfoListModel();
ossClient = new OssClient(accessid, accesskey);
var buck = ossClient.ListBuckets();
var listing = ossClient.ListObjects(bucketName);
model.Bucket = buck;
model.ObjectListing = listing;
return model;
}
/// <summary>
/// 删除
/// </summary>
/// <param name="bucketname"></param>
/// <param name="key"></param>
/// <returns></returns>
public static bool Delete(string bucketname, string key)
{
try
{
ossClient = new OssClient(accessid, accesskey);
ossClient.DeleteObject(bucketname, key);
return true;
}
catch (Exception)
{
return false;
throw;
}
}
/// <summary>
/// 新建Bucket
/// </summary>
/// <param name="bucketName"></param>
/// <returns></returns>
public static bool CreateBucket(string bucketName)
{
try
{
// 初始化OssClient
ossClient = new OssClient(endpoint, accessid, accesskey);
// 新建一个Bucket
ossClient.CreateBucket(bucketName);
return true;
}
catch (Exception)
{
return false;
throw;
}
}
/// <summary>
/// 获取所有的Bucket
/// </summary>
/// <returns></returns>
public static IEnumerable<Bucket> GetAllBucket()
{
// 初始化OssClient
ossClient = new OssClient(endpoint, accessid, accesskey);
var buckets = ossClient.ListBuckets();
return buckets;
}
/// <summary>
/// 判断Bucket是否存在
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public static bool GetBucketBybucketName(string name)
{
// 初始化OssClient
ossClient = new OssClient(endpoint, accessid, accesskey);
var exist = ossClient.ListBuckets().Any(b => b.Name.Equals(name));
return exist;
}
/// <summary>
/// 删除Bucket
/// </summary>
/// <param name="name"></param>
public static bool DeleteBucket(string name)
{
try
{
// 初始化OssClient
ossClient = new OssClient(endpoint, accessid, accesskey);
ossClient.DeleteBucket(name);
return true;
}
catch (Exception)
{
return false;
throw;
}
}
/// <summary>
/// 使用CNAME进行访问
/// </summary>
public static void UseCName(HttpPostedFileBase file)
{
// 比如你的域名"http://my-cname.com"CNAME指向你的bucket域名"mybucket.oss-cn-hangzhou.aliyuncs.com"
ossClient = new OssClient("http://my-cname.com/", accessid, accesskey);
var meta = new ObjectMetadata();
meta.CacheControl = "max-age=315360000";
meta.ContentType = ContentType((file.FileName).Substring(file.FileName.LastIndexOf(".")));
var stream = file.InputStream;
string name = "test" + "/" + file.FileName;
PutObjectResult result = ossClient.PutObject(bucketName, name, stream, meta);
}
/// <summary>
/// 创建文件夹
/// </summary>
public static void CreateFolder()
{
// 初始化OssClient
var client = new OssClient(endpoint, accessid, accesskey);
// Note: key treats as a folder and must end with a slash.
const string key = "yourfolder/";
// put object with zero bytes stream.
using (MemoryStream ms = new MemoryStream())
{
client.PutObject(bucketName, key, ms);
}
}
}
为了更加易用我对一些基本参数进行了Web.Config的配置
代码实现如下：
public class OSSConfigHandler : IConfigurationSectionHandler
{
public object Create(object parent, object configContext, System.Xml.XmlNode section)
{
if (section == null)
throw new ArgumentNullException("section");
OSSConfiguation config;
if (parent != null)
{
var parentConfig = (OSSConfiguation) parent;
config = (OSSConfiguation) ((ICloneable) parentConfig).Clone();
}
else
{
config = new OSSConfiguation();
}
var services = new OSSConfigService();
for (int i = 0; i < section.ChildNodes.Count; i++)
{
try
{
XmlNode element = section.ChildNodes.Item(i);
if (element.NodeType == XmlNodeType.Comment) continue;
if (element.Name == "OssConfigService")
{
var bucketName = element.Attributes["bucketName"] != null ? element.Attributes["bucketName"].Value : "";
var accessid = element.Attributes["accessid"] != null ? element.Attributes["accessid"].Value : "";
var accesskey = element.Attributes["accesskey"] != null ? element.Attributes["accesskey"].Value : "";
var endpoint = element.Attributes["endpoint"] != null ? element.Attributes["endpoint"].Value : "";
var folder = element.Attributes["folder"] != null ? element.Attributes["folder"].Value : "";
var Islocal = element.Attributes["Islocal"] != null ? element.Attributes["Islocal"].Value : "";
var localPath = element.Attributes["localPath"] != null ? element.Attributes["localPath"].Value : "";
var imgBucket = element.Attributes["imgBucket"] != null ? element.Attributes["imgBucket"].Value : "";
var pdfBucket = element.Attributes["pdfBucket"] != null ? element.Attributes["pdfBucket"].Value : "";
services.bucketName = bucketName;
services.accessid = accessid;
services.accesskey = accesskey;
services.endpoint = endpoint;
services.folder = folder;
services.Islocal = Islocal;
services.localPath = localPath;
services.imgBucket = imgBucket;
services.pdfBucket = pdfBucket;
}
}
catch (Exception exception)
{
}
}
config.OssConfigService = services;
return config;
}
}
/// <summary>
///
/// </summary>
public class OSSConfigService
{
public OSSConfigService()
{
}
/// <summary>
///
/// </summary>
public string bucketName { get; set; }
/// <summary>
///
/// </summary>
public string accessid { get; set; }
/// <summary>
///
/// </summary>
public string accesskey { get; set; }
/// <summary>
///
/// </summary>
public string endpoint { get; set; }
/// <summary>
/// 文件夹
/// </summary>
public string folder { get; set; }
/// <summary>
///
/// </summary>
public string Islocal { get; set; }
/// <summary>
///
/// </summary>
public string localPath { get; set; }
/// <summary>
///
/// </summary>
public string imgBucket { get; set; }
/// <summary>
///
/// </summary>
public string pdfBucket { get; set; }
}
public class OSSConfiguation : ICloneable
{
public OSSConfiguation()
{
OssConfigService = new OSSConfigService();
}
/// <summary>
///
/// </summary>
public OSSConfigService OssConfigService { get; set; }
public object Clone()
{
throw new NotImplementedException();
}
}
Web.Config 的配置下
Controller 调用
public class HomeController : Controller
{
public HomeController()
{
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public ActionResult Index()
{
var model= UploadFileHelper.Bind();
return View(model);
}
/// <summary>
/// 上传
/// </summary>
/// <returns></returns>
public ActionResult FileSubmit()
{
var Picture = Request.Files[0];
var PDF = Request.Files[1];
bool s = false;
var files = Request.Files;
HttpPostedFileBase postedfile=null;
for (int i = 0; i < files.Count; i++)
{
if (files[i].FileName.Length>0)
{
postedfile = files[i];
s = UploadFileHelper.UploadFile(postedfile);
}
}
if (s)
{
return Content("上传成功");
}
else
{
return Content("上传失败");
}
}
/// <summary>
///删除
/// </summary>
/// <param name="key"></param>
/// <param name="bucketname"></param>
/// <returns></returns>
public void Delete(string key, string bucketname)
{
if(UploadFileHelper.Delete(bucketname, key))
{
Response.Write("删除成功");
}
else
{
Response.Write("删除失败");
}
}
/// <summary>
/// 列表Bucket
/// </summary>
/// <returns></returns>
public ActionResult ListBucket()
{
var buckets1 = UploadFileHelper.GetAllBucket();
return View(buckets1);
}
/// <summary>
///删除Bucket
/// </summary>
/// <returns></returns>
public void DeleteBucket(string bucketname)
{
if (UploadFileHelper.DeleteBucket(bucketname))
{
Response.Write("删除成功");
}
else
{
Response.Write("删除失败");
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
[HttpPost]
public void CreateBucket()
{
string name = Request.Form["bucketname"];
if (UploadFileHelper.CreateBucket(name))
{
Response.Write("创建成功");
}
else
{
Response.Write("创建失败");
}
}
}
View:
@using (Html.BeginForm("FileSubmit", "Home", FormMethod.Post, new {enctype = "multipart/form-data"}))
{
<input type="file" name="Picture" id="Picture" />
<input type="file" name="PDF" id="PDF" />
<button type="submit">上传</button>
}
此文为个人见解
时间： 2024-11-11 12:28:16