/// <summary>
/// 封装上传图片插件(七牛云上传)
/// </summary>
/// <param name="files">上传文件的流信息</param>
/// <param name="absolutely_address">存放的绝对路径</param>
/// <param name="webRootPath">系统初始化路径</param>
/// <param name="prefix">存放七牛云的前缀</param>
/// <param name="result_number">返回执行失败的错误码</param>
/// <returns></returns>
public static string UploadQiniuImage(IFormFileCollection files, string absolutely_address, string webRootPath, string prefix, out int result_number)
{
if (files.Count < 1)
{
result_number = 902;
return("");
}
//读取图片名称和图片后缀，判断图片后缀是否符合默认的几个格式，如果不符合则直接报错。
IFormFile file = files[0];
var file_name = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
string extension = new FileInfo(file_name).Extension.ToLower();
//判断图片格式以及图片大小是否合适(大小限制为1兆)
if (!RegexUtil.Image(extension))
{
result_number = 3001;
return("");
}
long lenth = file.Length / 1024;
if (lenth > 1024)
{
result_number = 3000;
return("");
}
//上传图片到七牛云下并且返回七牛云的地址 (Linux下上传含有问题,等修复完成在上线linux)
file_name = CommonUtil.ReadDateTime() + "_" + file.Length + extension;
var url = webRootPath + absolutely_address + file_name;
using (FileStream fs = File.Create(url))
{
file.CopyTo(fs);
fs.Flush();
}
string return_url = UploadDownloadUtil.uploadFile(url, prefix, file_name);
if (string.IsNullOrEmpty(return_url))
{
result_number = 902;
return("");
}
File.Delete(url);
result_number = 200;
return(return_url);
}
/// <summary>
/// 封装上传图片插件(本地上传)、废弃
/// </summary>
/// <param name="files">上传文件的流信息</param>
/// <param name="absolutely_address">存放的绝对路径</param>
/// <param name="webRootPath">系统初始化路径</param>
/// <param name="result_number">返回执行失败的错误码</param>
/// <returns></returns>
public static string UploadImage(IFormFileCollection files, string absolutely_address, string webRootPath, out int result_number)
{
if (files.Count < 1)
{
result_number = 902;
return("");
}
//读取图片名称和图片后缀，判断图片后缀是否符合默认的几个格式，如果不符合则直接报错。
IFormFile file = files[0];
var file_name = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
string extension = new FileInfo(file_name).Extension.ToLower();
//判断图片格式以及图片大小是否合适(大小限制为1兆)
if (!RegexUtil.Image(extension))
{
result_number = 3001;
return("");
}
long lenth = file.Length / 1024;
if (lenth > 1024)
{
result_number = 3000;
return("");
}
//构造新的图片名称、读取上传之后的图片路径 写入流上传并且释放资源
file_name = CommonUtil.ReadDateTime() + "_" + file.Length + extension;
var url = absolutely_address + file_name;
using (FileStream fs = File.Create(webRootPath + url))
{
file.CopyTo(fs);
fs.Flush();
}
result_number = 200;
return(url);
}