使用Thumbnailator工具压缩图片

使用Thumbnailator工具需要引入thumbnailator-0.4.8.jar包，在pom中添加一下代码即可。

     net.coobird
     thumbnailator
     0.4.8

图片压缩

1、创建ImageZoomService接口，添加一下代码。

import java.io.File;
import java.io.OutputStream;
import java.net.URL;

/*
 * 图片缩放
 * */
public interface ImageZoomService {
	/**
	 * 指定大小进行缩放 若图片横比width小，高比height小，不变 若图片横比width小，高比height大，高缩小到height，图片比例不变
	 * 若图片横比width大，高比height小，横缩小到width，图片比例不变
	 * 若图片横比width大，高比height大，图片按比例缩小，横为width或高为height
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 */
	public void imgThumb(String source, String output, int width, int height);

	public void imgThumb(File source, String output, int width, int height);

	public void imgThumb(URL source, String output, int width, int height);

	public String imgThumbOutputStream(URL source, int width, int height);


	/**
	 * 按照比例进行缩放
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param scale
	 *            比例
	 */
	public void imgScale(String source, String output, double scale);

	public void imgScale(File source, String output, double scale);

	public void imgScale(URL source, String output, double scale);

	public String imgScaleOutputStream(URL source, double scale);

	/**
	 * 不按照比例，指定大小进行缩放
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param keepAspectRatio
	 *            默认是按照比例缩放的,值为false 时不按比例缩放
	 */
	public void imgNoScale(String source, String output, int width, int height, boolean keepAspectRatio);

	public void imgNoScale(File source, String output, int width, int height, boolean keepAspectRatio);

	public void imgNoScale(URL source, String output, int width, int height, boolean keepAspectRatio);

	public String imgNoScaleOutputStream(URL source, int width, int height, boolean keepAspectRatio);

	/**
	 * 输出到OutputStream
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @return toOutputStream(流对象)
	 */
	public OutputStream imgOutputStream(String source, String output, int width, int height);

	public OutputStream imgOutputStream(File source, String output, int width, int height);
}

2、创建类ImageZoomServiceImpl，继承ImageZoomService。

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URL;

import org.springframework.stereotype.Service;

import com.chaoxing.service.ImageZoomService;
import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;

import net.coobird.thumbnailator.Thumbnails;
import net.coobird.thumbnailator.Thumbnails.Builder;

public class ImageZoomServiceImpl implements ImageZoomService {

	public void imgThumb(String source, String output, int width, int height) {
		try {
			Thumbnails.of(source).size(width, height).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgThumb(File source, String output, int width, int height) {
		try {
			Thumbnails.of(source).size(width, height).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgThumb(URL source, String output, int width, int height) {
		try {
			Thumbnails.of(source).size(width, height).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgThumbOutputStream(URL source, int width, int height) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).size(width, height).toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}

	public void imgScale(String source, String output, double scale) {
		try {
			Thumbnails.of(source).scale(scale).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgScale(File source, String output, double scale) {
		try {
			Thumbnails.of(source).scale(scale).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgScale(URL source, String output, double scale) {
		try {
			Thumbnails.of(source).scale(scale).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgScaleOutputStream(URL source, double scale) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).scale(scale).toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}

	public void imgNoScale(String source, String output, int width, int height, boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).size(width, height).keepAspectRatio(keepAspectRatio).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgNoScale(File source, String output, int width, int height, boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).size(width, height).keepAspectRatio(keepAspectRatio).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgNoScale(URL source, String output, int width, int height, boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).size(width, height).keepAspectRatio(keepAspectRatio).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgNoScaleOutputStream(URL source, int width, int height, boolean keepAspectRatio) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).size(width, height).keepAspectRatio(keepAspectRatio).toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}

	public OutputStream imgOutputStream(String source, String output, int width, int height) {
		OutputStream os = null;
		try {
			os = new FileOutputStream(output);
			Thumbnails.of(source).scale(width, height).toOutputStream(os);
		} catch (IOException e) {
			e.printStackTrace();
		}

		return os;
	}

	public OutputStream imgOutputStream(File source, String output, int width, int height) {
		OutputStream os = null;
		try {
			os = new FileOutputStream(output);
			Thumbnails.of(source).scale(width, height).toOutputStream(os);
		} catch (IOException e) {
			e.printStackTrace();
		}
		return os;
	}
}

图片水印

1、创建ImageWatermarkService接口

import java.io.File;
import java.net.URL;

import net.coobird.thumbnailator.geometry.Position;

/*
 * 图片水印
 * */
public interface ImageWatermarkService {
	/**
	 * 水印
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输入源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param position
	 *            水印位置 Positions.BOTTOM_RIGHT o.5f
	 * @param watermark
	 *            水印图片地址
	 * @param transparency
	 *            透明度 0.5f
	 * @param quality
	 *            图片质量 0.8f
	 */
	public void imgWatermark(String source, String output, int width, int height, Position position, String watermark,
			float transparency, float quality);

	public void imgWatermark(File source, String output, int width, int height, Position position, String watermark,
			float transparency, float quality);

	public void imgWatermark(URL source, String output, int width, int height, Position position, String watermark,
			float transparency, float quality);

	public String imgWatermarkOutputStream(URL source, int width, int height, Position position, String watermark,
			float transparency, float quality);
}

2、创建ImageWatermarkServiceImpl类，继承ImageWatermarkService

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URL;

import javax.imageio.ImageIO;

import org.springframework.stereotype.Service;

import com.chaoxing.service.ImageWatermarkService;
import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;

import net.coobird.thumbnailator.Thumbnails;
import net.coobird.thumbnailator.geometry.Position;

public class ImageWatermarkServiceImpl implements ImageWatermarkService {

	public void imgWatermark(String source, String output, int width, int height, Position position, String watermark,
			float transparency, float quality) {
		try {
			Thumbnails.of(source).size(width, height)
					.watermark(position, ImageIO.read(new File(watermark)), transparency).outputQuality(0.8f)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
		;
	}

	public void imgWatermark(File source, String output, int width, int height, Position position, String watermark,
			float transparency, float quality) {
		try {
			Thumbnails.of(source).size(width, height)
					.watermark(position, ImageIO.read(new File(watermark)), transparency).outputQuality(0.8f)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgWatermark(URL source, String output, int width, int height, Position position, String watermark,
			float transparency, float quality) {
		try {
			Thumbnails.of(source).size(width, height)
					.watermark(position, ImageIO.read(new File(watermark)), transparency).outputQuality(0.8f)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgWatermarkOutputStream(URL source, int width, int height, Position position, String watermark,
			float transparency, float quality) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).size(width, height)
					.watermark(position, ImageIO.read(new File(watermark)), transparency).outputQuality(0.8f)
					.toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}

}

图片旋转

1、创建接口ImageRoteService

/*
 * 图片旋转
 * */
public interface ImageRoteService {
	/**
	 * 旋转 ,正数：顺时针 负数：逆时针
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param rotate
	 *            角度,正数顺时针  负数逆时针
	 */
	public void imgRotate(String source, String output, int width, int height, double rotate);

	public void imgRotate(File source, String output, int width, int height, double rotate);

	public void imgRotate(URL source, String output, int width, int height, double rotate);

	public String imgRotateOutputStream(URL source, int width, int height, double rotate);
}

2、创建类ImageRoteServiceImpl，并继承ImageRoteService

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URL;

import org.springframework.stereotype.Service;

import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;

import net.coobird.thumbnailator.Thumbnails;

public class ImageRoteServiceImpl implements com.chaoxing.service.ImageRoteService {

	public void imgRotate(String source, String output, int width, int height, double rotate) {
		try {
			Thumbnails.of(source).size(width, height).rotate(rotate).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgRotate(File source, String output, int width, int height, double rotate) {
		try {
			Thumbnails.of(source).size(width, height).rotate(rotate).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgRotate(URL source, String output, int width, int height, double rotate) {
		try {
			Thumbnails.of(source).size(width, height).rotate(rotate).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgRotateOutputStream(URL source, int width, int height, double rotate) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).size(width, height).rotate(rotate).toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}
}

图片格式转换

1、创建接口ImageFormatService

import java.awt.image.BufferedImage;
import java.io.File;
import java.net.URL;

/*
 * 图片格式转换
 * */
public interface ImageFormatService {

	/**
	 * 转化图像格式
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param format
	 *            图片类型，gif、png、jpg
	 */
	public void imgFormat(String source, String output, int width, int height, String format);

	public void imgFormat(File source, String output, int width, int height, String format);

	public void imgFormat(URL source, String output, int width, int height, String format);

	public String imgFormatOutputStream(URL source, int width, int height, String format);

	/**
	 * 输出到BufferedImage
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param format
	 *            图片类型，gif、png、jpg
	 * @return BufferedImage
	 */
	public BufferedImage imgBufferedImage(String source, String output, int width, int height, String format);

	public BufferedImage imgBufferedImage(File source, String output, int width, int height, String format);

	public BufferedImage imgBufferedImage(URL source, String output, int width, int height, String format);

}

2、创建ImageFormatServiceImpl类，并继承ImageFormatService

import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URL;

import javax.imageio.ImageIO;

import org.springframework.stereotype.Service;

import com.chaoxing.service.ImageFormatService;
import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;

import net.coobird.thumbnailator.Thumbnails;

public class ImageFormatServiceImpl implements ImageFormatService {

	public void imgFormat(String source, String output, int width, int height, String format) {
		try {
			Thumbnails.of(source).size(width, height).outputFormat(format).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgFormat(File source, String output, int width, int height, String format) {
		try {
			Thumbnails.of(source).size(width, height).outputFormat(format).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgFormat(URL source, String output, int width, int height, String format) {
		try {
			Thumbnails.of(source).size(width, height).outputFormat(format).toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgFormatOutputStream(URL source, int width, int height, String format) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).size(width, height).outputFormat(format).toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}

	public BufferedImage imgBufferedImage(String source, String output, int width, int height, String format) {
		BufferedImage buff = null;
		try {
			buff = Thumbnails.of(source).size(width, height).asBufferedImage();
			ImageIO.write(buff, format, new File(output));
		} catch (IOException e) {
			e.printStackTrace();
		}
		return buff;
	}

	public BufferedImage imgBufferedImage(File source, String output, int width, int height, String format) {
		BufferedImage buff = null;
		try {
			buff = Thumbnails.of(source).size(width, height).asBufferedImage();
			ImageIO.write(buff, format, new File(output));
		} catch (IOException e) {
			e.printStackTrace();
		}
		return buff;
	}

	public BufferedImage imgBufferedImage(URL source, String output, int width, int height, String format) {
		BufferedImage buff = null;
		try {
			buff = Thumbnails.of(source).size(width, height).asBufferedImage();
			ImageIO.write(buff, format, new File(output));
		} catch (IOException e) {
			e.printStackTrace();
		}
		return buff;
	}
}

图片剪裁

1、创建接口ImageCutService

import java.io.File;
import java.net.URL;

import net.coobird.thumbnailator.geometry.Position;

/*
 * 图片剪裁
 * */
public interface ImageCutService {

	/**
	 * 裁剪图片
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param position
	 *            裁剪位置
	 * @param x
	 *            裁剪区域x
	 * @param y
	 *            裁剪区域y
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param keepAspectRatio
	 *            默认是按照比例缩放的,值为false 时不按比例缩放
	 */
	public void imgSourceRegion(String source, String output, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio);

	public void imgSourceRegion(File source, String output, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio);

	public void imgSourceRegion(URL source, String output, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio);

	public String imgSourceRegionOutputStream(URL source, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio);

	/**
	 * 按坐标裁剪
	 * 
	 * @param source
	 *            输入源
	 * @param output
	 *            输出源
	 * @param x
	 *            起始x坐标
	 * @param y
	 *            起始y坐标
	 * @param x1
	 *            结束x坐标
	 * @param y1
	 *            结束y坐标
	 * @param width
	 *            宽
	 * @param height
	 *            高
	 * @param keepAspectRatio
	 *            默认是按照比例缩放的,值为false 时不按比例缩放
	 */
	public void imgSourceRegion(String source, String output, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio);

	public void imgSourceRegion(File source, String output, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio);

	public void imgSourceRegion(URL source, String output, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio);

	public String imgSourceRegionOutputStream(URL source, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio);
}

2、创建类ImageCutServiceImpl，并继承ImageCutService接口

import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.net.URL;

import org.springframework.stereotype.Service;

import com.chaoxing.service.ImageCutService;
import com.sun.org.apache.xerces.internal.impl.dv.util.Base64;

import net.coobird.thumbnailator.Thumbnails;
import net.coobird.thumbnailator.geometry.Position;

public class ImageCutServiceImpl implements ImageCutService {

	public void imgSourceRegion(String source, String output, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).sourceRegion(position, x, y).size(width, height).keepAspectRatio(keepAspectRatio)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgSourceRegion(File source, String output, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).sourceRegion(position, x, y).size(width, height).keepAspectRatio(keepAspectRatio)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgSourceRegion(URL source, String output, Position position, int x, int y, int width, int height,
			boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).sourceRegion(position, x, y).size(width, height).keepAspectRatio(keepAspectRatio)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public String imgSourceRegionOutputStream(URL source, Position position, int x, int y, int width, int height, boolean keepAspectRatio) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).sourceRegion(position, x, y).size(width, height).keepAspectRatio(keepAspectRatio).toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}

	public void imgSourceRegion(String source, String output, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).sourceRegion(x, y, x1, y1).size(width, height).keepAspectRatio(keepAspectRatio)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgSourceRegion(File source, String output, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).sourceRegion(x, y, x1, y1).size(width, height).keepAspectRatio(keepAspectRatio)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public void imgSourceRegion(URL source, String output, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio) {
		try {
			Thumbnails.of(source).sourceRegion(x, y, x1, y1).size(width, height).keepAspectRatio(keepAspectRatio)
					.toFile(output);
		} catch (IOException e) {
			e.printStackTrace();
		}

	}

	public String imgSourceRegionOutputStream(URL source, int x, int y, int x1, int y1, int width, int height,
			boolean keepAspectRatio) {
		ByteArrayOutputStream baos = null;
		String binary = null;
		try {
			baos = new ByteArrayOutputStream();
			Thumbnails.of(source).sourceRegion(x, y, x1, y1).size(width, height).keepAspectRatio(keepAspectRatio)
					.toOutputStream(baos);
			binary = Base64.encode(baos.toByteArray());
		} catch (IOException e) {
			e.printStackTrace();
		}
		return binary;
	}
}