/// <summary>
/// 图片上传
/// </summary>
/// <returns>图片上传成功或者失败</returns>
private string AvatarUpload()
{
// 获取文件名
string strName = FileUpload1.PostedFile.FileName;
try
{
// 创建上传模型类，用来接收上传的参数
uploadModel newUploadModel = new uploadModel();
newUploadModel = uploadHelper.imgUpload(strName, FileUpload1.HasFile);
if (newUploadModel.result)
{
FileUpload1.PostedFile.SaveAs(newUploadModel.newFileName);
Label1.Text = newUploadModel.message;
Image1.ImageUrl = newUploadModel.fileName;
// 插入到数据库
return(newUploadModel.fileName);
}
else
{
Label1.Text = newUploadModel.message;
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
return(null);
}
public static uploadModel imgUpload(string strName, bool hasFile)
{
uploadModel newUploadModel = new uploadModel();
newUploadModel.result = false;
// 如果文件名存在
if (strName != "")
{
// 判断文件是否ok
bool fileOk = false;
// 获取.的索引号，在这里，代表图片和名字与后缀的间隔
int i = strName.LastIndexOf(".");
// 获取文件后缀名
string kzm = strName.Substring(i);
// 给文件生成一个新的后缀名
string newName = Guid.NewGuid().ToString();
// 设置文件相对网站根目录的保存路径，~号表示当前目录，在此目录下的images文件夹
string xiangdui = @"~\images\";
/*
* 设置文件保存的本地目录的绝对路径
* 对于路径中的字符“\”在字符串中必须以"\\"表示
* 因为"\"为特殊字符。或者可以使用上一行的给路径前面加上@
*/
string juedui = HttpContext.Current.Server.MapPath("~\\images\\");
// 绝对路径+新文件名+后缀名=新的文件名称
string newFileName = juedui + newName + kzm;
// 验证FileUpload控件确实包含文件
if (hasFile)
{
String[] allowedExtensions = { ".gif", ".png", ".bmp", ".jpg", ".txt" };
// 判断后缀名是否包含数组中
if (((IList)allowedExtensions).Contains(kzm))
{
fileOk = true;
}
}
if (fileOk)
{
try
{
// 判断该路径是否存在
if (!Directory.Exists(juedui))
{
Directory.CreateDirectory(juedui);
}
newUploadModel.newFileName = newFileName;
newUploadModel.fileName = xiangdui + newName + kzm;
newUploadModel.message = "上传成功";
newUploadModel.result = true;
}
catch (Exception exception)
{
newUploadModel.message = "出现异常";
Console.WriteLine(exception);
throw;
}
}
else
{
newUploadModel.message = "文件名不存在";
}
}
return(newUploadModel);
}