public async Task <IActionResult> CkEditorUploadFiles()
{
var jm = new CKEditorUploadedResult();
//初始化上传参数
var maxSize = 1024 * 1024 * _filesStorageOptions.MaxSize; //上传大小5M
var file = Request.Form.Files["upload"];
if (file == null)
{
jm.error.message = "请选择文件";
return(new JsonResult(jm));
}
var fileName = file.FileName;
var fileExt = Path.GetExtension(fileName).ToLowerInvariant();
//检查大小
if (file.Length > maxSize)
{
jm.error.message = "上传文件大小超过限制，最大允许上传" + _filesStorageOptions.MaxSize + "M";
return(new JsonResult(jm));
}
//检查文件扩展名
if (string.IsNullOrEmpty(fileExt) ||
Array.IndexOf(_filesStorageOptions.FileTypes.Split(','), fileExt.Substring(1).ToLower()) == -1)
{
jm.error.message = "上传文件扩展名是不允许的扩展名,请上传后缀名为：" + _filesStorageOptions.FileTypes;
return(new JsonResult(jm));
}
var newFileName = DateTime.Now.ToString("yyyyMMddHHmmss_ffff", DateTimeFormatInfo.InvariantInfo) + fileExt;
var today = DateTime.Now.ToString("yyyyMMdd");
if (_filesStorageOptions.StorageType == GlobalEnumVars.FilesStorageOptionsType.LocalStorage.ToString())
{
var saveUrl = "/upload/" + today + "/";
var dirPath = _webHostEnvironment.WebRootPath + saveUrl;
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
var filePath = dirPath + newFileName;
var fileUrl = saveUrl + newFileName;
string bucketBindDomain = AppSettingsHelper.GetContent("AppConfig", "AppUrl");
await using (var fs = System.IO.File.Create(filePath))
{
await file.CopyToAsync(fs);
fs.Flush();
}
jm.uploaded = 1;
jm.fileName = fileName;
jm.url = bucketBindDomain + fileUrl;
}
else if (_filesStorageOptions.StorageType == GlobalEnumVars.FilesStorageOptionsType.AliYunOSS.ToString())
{
//上传到阿里云
await using (var fileStream = file.OpenReadStream()) //转成Stream流
{
var md5 = OssUtils.ComputeContentMd5(fileStream, file.Length);
var filePath = "Upload/" + today + "/" + newFileName; //云文件保存路径
//初始化阿里云配置--外网Endpoint、访问ID、访问password
var aliyun = new OssClient(_filesStorageOptions.Endpoint, _filesStorageOptions.AccessKeyId, _filesStorageOptions.AccessKeySecret);
//将文件md5值赋值给meat头信息，服务器验证文件MD5
var objectMeta = new ObjectMetadata
{
ContentMd5 = md5
};
//文件上传--空间名、文件保存路径、文件流、meta头信息(文件md5) //返回meta头信息(文件md5)
aliyun.PutObject(_filesStorageOptions.BucketName, filePath, fileStream, objectMeta);
//返回给UEditor的插入编辑器的图片的src
jm.uploaded = 1;
jm.fileName = fileName;
jm.url = _filesStorageOptions.BucketBindUrl + filePath;
}
}
else if (_filesStorageOptions.StorageType == GlobalEnumVars.FilesStorageOptionsType.QCloudOSS.ToString())
{
var filePath = "Upload/" + today + "/" + newFileName; //云文件保存路径
//上传到腾讯云OSS
//初始化 CosXmlConfig
string appid = _filesStorageOptions.AccountId; //设置腾讯云账户的账户标识 APPID
string region = _filesStorageOptions.CosRegion; //设置一个默认的存储桶地域
CosXmlConfig config = new CosXmlConfig.Builder()
.IsHttps(true) //设置默认 HTTPS 请求
.SetRegion(region) //设置一个默认的存储桶地域
.SetDebugLog(true) //显示日志
.Build(); //创建 CosXmlConfig 对象
long durationSecond = 600; //每次请求签名有效时长，单位为秒
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(_filesStorageOptions.AccessKeyId, _filesStorageOptions.AccessKeySecret, durationSecond);
byte[] bytes;
await using (var ms = new MemoryStream())
{
await file.CopyToAsync(ms);
bytes = ms.ToArray();
}
var cosXml = new CosXmlServer(config, qCloudCredentialProvider);
COSXML.Model.Object.PutObjectRequest putObjectRequest = new COSXML.Model.Object.PutObjectRequest(_filesStorageOptions.BucketName, filePath, bytes);
cosXml.PutObject(putObjectRequest);
jm.uploaded = 1;
jm.fileName = fileName;
jm.url = _filesStorageOptions.BucketBindUrl + filePath;
}
return(new JsonResult(jm));
}
public async Task <JsonResult> UploadFilesFByBase64([FromBody] FMBase64Post entity)
{
var jm = new AdminUiCallBack();
if (string.IsNullOrEmpty(entity.base64))
{
jm.msg = "请上传合法内容";
return(new JsonResult(jm));
}
entity.base64 = entity.base64.Replace("data:image/png;base64,", "").Replace("data:image/jgp;base64,", "").Replace("data:image/jpg;base64,", "").Replace("data:image/jpeg;base64,", "");//将base64头部信息替换
byte[] bytes = Convert.FromBase64String(entity.base64);
MemoryStream memStream = new MemoryStream(bytes);
Image mImage = Image.FromStream(memStream);
Bitmap bp = new Bitmap(mImage);
var newFileName = DateTime.Now.ToString("yyyyMMddHHmmss_ffff", DateTimeFormatInfo.InvariantInfo) + ".jpg";
var today = DateTime.Now.ToString("yyyyMMdd");
if (_filesStorageOptions.StorageType == GlobalEnumVars.FilesStorageOptionsType.LocalStorage.ToString())
{
var saveUrl = "/upload/" + today + "/";
var dirPath = _webHostEnvironment.WebRootPath + saveUrl;
string bucketBindDomain = AppSettingsHelper.GetContent("AppConfig", "AppUrl");
if (!Directory.Exists(dirPath))
{
Directory.CreateDirectory(dirPath);
}
var filePath = dirPath + newFileName;
var fileUrl = saveUrl + newFileName;
bp.Save(filePath, System.Drawing.Imaging.ImageFormat.Jpeg);//注意保存路径
jm.code = 0;
jm.msg = "上传成功!";
jm.data = new
{
fileUrl,
src = bucketBindDomain + fileUrl
};
jm.otherData = GlobalEnumVars.FilesStorageOptionsType.LocalStorage.ToString();
}
else if (_filesStorageOptions.StorageType == GlobalEnumVars.FilesStorageOptionsType.AliYunOSS.ToString())
{
//上传到阿里云
// 设置当前流的位置为流的开始
memStream.Seek(0, SeekOrigin.Begin);
await using (var fileStream = memStream) //转成Stream流
{
var md5 = OssUtils.ComputeContentMd5(fileStream, memStream.Length);
var filePath = "Upload/" + today + "/" + newFileName; //云文件保存路径
//初始化阿里云配置--外网Endpoint、访问ID、访问password
var aliyun = new OssClient(_filesStorageOptions.Endpoint, _filesStorageOptions.AccessKeyId, _filesStorageOptions.AccessKeySecret);
//将文件md5值赋值给meat头信息，服务器验证文件MD5
var objectMeta = new ObjectMetadata
{
ContentMd5 = md5
};
//文件上传--空间名、文件保存路径、文件流、meta头信息(文件md5) //返回meta头信息(文件md5)
aliyun.PutObject(_filesStorageOptions.BucketName, filePath, fileStream, objectMeta);
//返回给UEditor的插入编辑器的图片的src
jm.code = 0;
jm.msg = "上传成功";
jm.data = new
{
fileUrl = _filesStorageOptions.BucketBindUrl + filePath,
src = _filesStorageOptions.BucketBindUrl + filePath
};
}
jm.otherData = GlobalEnumVars.FilesStorageOptionsType.AliYunOSS.ToString();
}
else if (_filesStorageOptions.StorageType == GlobalEnumVars.FilesStorageOptionsType.QCloudOSS.ToString())
{
//上传到腾讯云OSS
//初始化 CosXmlConfig
string appid = _filesStorageOptions.AccountId; //设置腾讯云账户的账户标识 APPID
string region = _filesStorageOptions.CosRegion; //设置一个默认的存储桶地域
CosXmlConfig config = new CosXmlConfig.Builder()
.IsHttps(true) //设置默认 HTTPS 请求
.SetRegion(region) //设置一个默认的存储桶地域
.SetDebugLog(true) //显示日志
.Build(); //创建 CosXmlConfig 对象
long durationSecond = 600; //每次请求签名有效时长，单位为秒
QCloudCredentialProvider qCloudCredentialProvider = new DefaultQCloudCredentialProvider(
_filesStorageOptions.AccessKeyId, _filesStorageOptions.AccessKeySecret, durationSecond);
var cosXml = new CosXmlServer(config, qCloudCredentialProvider);
var filePath = "Upload/" + today + "/" + newFileName; //云文件保存路径
COSXML.Model.Object.PutObjectRequest putObjectRequest = new COSXML.Model.Object.PutObjectRequest(_filesStorageOptions.BucketName, filePath, bytes);
cosXml.PutObject(putObjectRequest);
jm.code = 0;
jm.msg = "上传成功";
jm.data = new
{
fileUrl = _filesStorageOptions.BucketBindUrl + filePath,
src = _filesStorageOptions.BucketBindUrl + filePath
};
}
return(new JsonResult(jm));
}
