save.aspx

applet在線上繪圖,允許在瀏覽器上繪圖,最後儲存成各式的圖檔

<%@ Page Language="C#" Debug="true" %>
<%@ Import Namespace="System.IO" %>
<%

// obtain the image and text data
NameValueCollection fields = Request.Form;
string base64image = fields.Get("image");
string textData    = fields.Get("notes");

// check if the image data are not empty
if (base64image != "") {

    // Convert base64 image data to byte array	
    byte[] binImage = System.Convert.FromBase64String(base64image);

    // Save image
    string imageFileName = Server.MapPath("./image.png");
    FileStream outFile = new FileStream(imageFileName,FileMode.Create,FileAccess.Write);                             
    outFile.Write(binImage, 0, binImage.Length);
    outFile.Close();
			
    // Save text notes
    string notesFileName = Server.MapPath("./notes.txt");
    StreamWriter sr = File.CreateText(notesFileName);
    sr.WriteLine(textData);
    sr.Close();

    // Report the successful result
    %>  	    
      <p>Image is saved to <%=imageFileName%><br>
      Notes are saved to <%=notesFileName%></p>
      <table><tr><td bgcolor="#000000"><img src="image.png"></td></tr></table>
      <pre><%=textData%></pre>
    <%  	
}
else {
     Response.Write("<p>No Image data</p>");
}

%>