Java uses Base64 save the picture to the database and display pictures

Java uses Base64 save the picture to the database and display pictures

Java Base64 save pictures

 

 

================================

© Copyright sweet potatoes Yao May 28, 2019

http://fanshuyao.iteye.com/

 

First, the picture to be saved to the database Base64 blob field

import org.apache.commons.io.FileUtils;

import sun.misc.BASE64Encoder;

	/**
	 * 以Base64保存图片到数据库
	 * @param request
	 * @param file
	 * @throws Exception
	 */
	public void saveImage(HttpServletRequest request, File file) throws Exception{
		byte[] fileByteArray = FileUtils.readFileToByteArray(file);
		BASE64Encoder encoder = new BASE64Encoder();
		String imageString = encoder.encode(fileByteArray);
		String sql = "update image_table set image = ? where id = ?";
		List<Object> params = new ArrayList<Object>();
		params.add(imageString);
		params.add(1);
		getDao().update(sql, params);
	}

 

 

 

================================

© Copyright sweet potatoes Yao May 28, 2019

http://fanshuyao.iteye.com/