【java批量图片压缩处理】

java压缩图片处理，递归循环找到当前目录下所有的图片进行压缩处理

java压缩图片

package com.**.**.visit.utils;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

import com.**.**.common.utils.StringUtils;

import net.coobird.thumbnailator.Thumbnails;

public class ImageHelper {

	public static void main(String[] args) {
		try {
			filePath("/home**");
		} catch (IOException e) {
			e.printStackTrace();
		}
	}

	public static void filePath(String path) throws IOException {
		if (StringUtils.isBlank(path)) {
			path = "/home**";
		}
		File file = new File(path);
		File[] files = file.listFiles();
		if (files == null) {
			return;
		}
		for (int i = 0; i < files.length; i++) {
			File file1 = files[i];
			String pathXia = path + "/" + file1.getName();

			if (isImg(pathXia)) {
				File fileImg = new File(pathXia);
				// 单位kb 大约多少kb的文件才进行压缩
				long fileSize = fileImg.length() / 1024;
				if (fileSize > 1024) {
					System.out.println("路径" + pathXia);
					try {
						Thumbnails.of(pathXia).scale(1f).outputQuality(0.25f).toFile(pathXia);
					} catch (Exception e) {
						e.printStackTrace();
					}
					File fileImgh = new File(pathXia);
					// 单位kb
					long fileSizeh = fileImgh.length() / 1024;
					System.out.println("压缩成功" + pathXia + "压缩前大小" + fileSize + "压缩后大小" + fileSizeh);
				}
				continue;
			}
			filePath(pathXia);
		}
	}

	public static boolean isImg(String filePath) {
		File file = new File(filePath);
		try {
			BufferedImage bi = ImageIO.read(file);
			if (bi == null) {
				return false;
			} else {
				return true;
			}
		} catch (Exception e) {
			// System.out.println("他不是一个图片" + filePath);
		}
		return false;
	}
}