C#中Winform开发实现点击按钮上传与保存图片代码

C#中Winform开发实现点击按钮上传与保存图片代码

private void pictureBox1_Click(object sender, EventArgs e)

{

    OpenFileDialog HdhCmsOpenFile = new OpenFileDialog();

    HdhCmsOpenFile.Title = "选择要上传的图片";

    HdhCmsOpenFile.Filter = "图片文件(*.png,*.jpg,*.gif)|*.png;*.jpg;*.gif";

    if (HdhCmsOpenFile.ShowDialog().Equals(DialogResult.OK))

    {

        string hdhcmsFileName = HdhCmsOpenFile.FileName;

        using (FileStream hdhcmsFs = new FileStream(hdhcmsFileName, FileMode.Open, FileAccess.Read))

        {

            byte[] hdhcmsByte = new byte[hdhcmsFs.Length];

            hdhcmsFs.Read(hdhcmsByte, 0, hdhcmsByte.Length);

            Image hdhcmsImg = Image.FromStream(hdhcmsFs);

            Bitmap hdhcmsPic = new Bitmap(hdhcmsImg, pictureBox1.Width, pictureBox1.Height);

            pictureBox1.Image = hdhcmsPic;

            string hdhcmsPath = (Application.StartupPath + "\\Upload\\").ToLower().Replace("\\bin\\debug\\", "\\");

            if (!Directory.Exists(hdhcmsPath)) { Directory.CreateDirectory(hdhcmsPath); }

            string hdhcmsFileExt = Path.GetExtension(hdhcmsFileName);

            string hdhcmsNewFile = DateTime.Now.ToString("yyyyMMddhhmmss") + hdhcmsFileExt;

            string hdhcmsAllName = hdhcmsPath + hdhcmsNewFile;

            hdhcmsImg.Save(hdhcmsAllName);

        }

    }

}

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