| | |
| | | package cc.mrbird.febs.common.utils; |
| | | |
| | | import cc.mrbird.febs.common.entity.FebsConstant; |
| | | import cn.hutool.core.lang.UUID; |
| | | import com.google.common.base.Preconditions; |
| | | import lombok.extern.slf4j.Slf4j; |
| | | import net.coobird.thumbnailator.Thumbnails; |
| | | import org.apache.commons.lang3.ArrayUtils; |
| | | import org.apache.commons.lang3.StringUtils; |
| | | import org.springframework.beans.factory.annotation.Value; |
| | | import org.springframework.util.FileCopyUtils; |
| | | import org.springframework.web.multipart.MultipartFile; |
| | | |
| | | import javax.imageio.ImageIO; |
| | | import javax.servlet.http.HttpServletResponse; |
| | | import java.awt.image.BufferedImage; |
| | | import java.io.*; |
| | | import java.nio.file.Files; |
| | | import java.nio.file.Paths; |
| | | import java.util.Arrays; |
| | | import java.util.HashMap; |
| | | import java.util.Map; |
| | | import java.util.zip.CRC32; |
| | | import java.util.zip.CheckedOutputStream; |
| | | import java.util.zip.ZipEntry; |
| | |
| | | private static final int BUFFER = 1024 * 8; |
| | | |
| | | /** |
| | | * 文件上传服务器本地路径 |
| | | */ |
| | | public static Map<String,Object> fileUploadEsc(MultipartFile file,String resourceUrl,String resourcePath) throws IOException { |
| | | // 文件保存目录路径 |
| | | String savePath = resourcePath; |
| | | // 文件保存目录URL |
| | | String saveUrl = resourceUrl; |
| | | // 检查目录 |
| | | File uploadDir = new File(savePath); |
| | | if (!uploadDir.isDirectory()) { |
| | | uploadDir.mkdir(); |
| | | } |
| | | // 获得文件的后缀 |
| | | String fileName = file.getOriginalFilename(); |
| | | String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1); |
| | | String newFileName = UUID.randomUUID().toString() + "." + fileExt; |
| | | if (isImage(file.getInputStream())) { |
| | | Thumbnails.of(file.getInputStream()) |
| | | // 图片大小(长宽)压缩比例 从0-1,1表示原图 |
| | | .scale(1f) |
| | | // 图片质量压缩比例 从0-1,越接近1质量越好 |
| | | .outputQuality(0.9f) |
| | | .toOutputStream(new FileOutputStream(savePath + newFileName)); |
| | | } else { |
| | | File uploadedFile = new File(savePath, newFileName); |
| | | uploadedFile.setReadable(true, false); |
| | | uploadedFile.setExecutable(true, false); |
| | | uploadedFile.setWritable(true, false); |
| | | try { |
| | | //存文件 |
| | | FileCopyUtils.copy(file.getBytes(), uploadedFile); |
| | | file.transferTo(uploadedFile); |
| | | } catch (IOException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | } |
| | | |
| | | String visitPath = (saveUrl + newFileName); |
| | | Map<String,Object> map = new HashMap<String,Object>(); |
| | | Map<String,Object> map2 = new HashMap<String,Object>(); |
| | | map2.put("src",visitPath);//图片url |
| | | map2.put("title",newFileName);//图片名称,这个会显示在输入框里 |
| | | map.put("code",0);//0表示成功,1失败 |
| | | map.put("msg","上传成功");//提示消息 |
| | | map.put("data",map2); |
| | | return map; |
| | | } |
| | | public static boolean isImage(InputStream inputStream) { |
| | | BufferedImage read = null; |
| | | try { |
| | | read = ImageIO.read(inputStream); |
| | | } catch (IOException e) { |
| | | return false; |
| | | } |
| | | return read != null; |
| | | } |
| | | |
| | | /** |
| | | * 压缩文件或目录 |
| | | * |
| | | * @param fromPath 待压缩文件或路径 |