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protected void Button1_Click(object sender, EventArgs e)
{
Boolean fileOk = false;
if (FileUp.HasFile)
{
string savePath = Server.MapPath("~/Upload/");
string sExt = FileUp.FileName.Substring(FileUp.FileName.LastIndexOf(".")).ToLower();
string filename = DateTime.Now.ToString("yyyymmddhhmmssfff") + sExt;
savePath += filename;
string[] allowExtension = { ".jpg", ".gif",".png" };
for (int i = 0; i < allowExtension.Length; i++) //对上传的文件的类型进行一个个匹对
{
if (sExt == allowExtension[i])
{
fileOk = true;
break;
}
}
if (fileOk == true)
{
FileUp.SaveAs(savePath); //保存文件
}
else
{
Response.Write("<script>alert('图片类型不正确!')</script>");
}
}
else
{
Response.Write("<script>alert('请选择图片!')</script>");
}
}