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Forum:
Struts
how to store and retrieve an image to database using in struts
Julie Jacob
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Posts: 20
posted 18 years ago
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Hi all,
How to store and retrieve an image in MySql using with
struts
. Anyone to know this please give me the solutions
thanks
Kerry Wilson
Ranch Hand
Posts: 254
posted 18 years ago
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First, the column type should be BLOB.
Second, your form property should be of type org.apache.struts.upload.FormFile
Third, in your action (assuming upload is name of property)
InputStream uploadIn = upload.getInputStream(); java.awt.Image image = javax.imageio.ImageIO.read(uploadIn); // Convert image to buffered image java.awt.image.BufferedImage imageBuffer = new java.awt.image.BufferedImage(image.getWidth(null),image.getHeight(null),BufferedImage.TYPE_INT_RGB); java.awt.Graphics imgGraphics = imageBuffer.getGraphics(); imgGraphics.drawImage(image,0,0,null); imgGraphics.dispose(); // Write to byte array output stream ByteArrayOutputStream out = new ByteArrayOutputStream(); ImageIO.write(imageBuffer,"jpg",out); // Setup stream for blob byte[] buffer = out.toByteArray(); ByteArrayInputStream inStream = new ByteArrayInputStream(buffer); Connection conn = getConnection(); PreparedStatement ps = conn.prepareStatement(SAVE_QUERY,PreparedStatement.RETURN_GENERATED_KEYS); ps.setBinaryStream( 1, inStream, inStream.available() ); ps.executeUpdate();
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