FileToZip 檔案壓縮工具類
阿新 • • 發佈:2020-10-26
public class FileToZip {
/** * 將存放在sourceFilePath目錄下的原始檔,打包成fileName名稱的zip檔案,並存放到zipFilePath路徑下 * @param sourceFilePath :待壓縮的檔案路徑 * @param zipFilePath :壓縮後存放路徑 * @param fileName :壓縮後文件的名稱 * @return */ public static boolean fileToZip(String sourceFilePath,String zipFilePath,String fileName){ boolean flag = false; File sourceFile = new File(sourceFilePath); FileInputStream fis = null; BufferedInputStream bis = null; FileOutputStream fos = null; ZipOutputStream zos = null; if(sourceFile.exists() == false){ System.out.println("待壓縮的檔案目錄:"+sourceFilePath+"不存在."); }else{ try { File zipFile = new File(zipFilePath + "/" + fileName +".zip"); if(zipFile.exists()){ System.out.println(zipFilePath + "目錄下存在名字為:" + fileName +".zip" +"打包檔案."); }else{ File[] sourceFiles = sourceFile.listFiles(); if(null == sourceFiles || sourceFiles.length<1){ System.out.println("待壓縮的檔案目錄:" + sourceFilePath + "裡面不存在檔案,無需壓縮."); }else{ fos = new FileOutputStream(zipFile); zos = new ZipOutputStream(new BufferedOutputStream(fos)); byte[] bufs = new byte[1024*10]; for(int i=0;i<sourceFiles.length;i++){ //建立ZIP實體,並新增進壓縮包 ZipEntry zipEntry = new ZipEntry(sourceFiles[i].getName()); zos.putNextEntry(zipEntry); //讀取待壓縮的檔案並寫進壓縮包裡 fis = new FileInputStream(sourceFiles[i]); bis = new BufferedInputStream(fis, 1024*10); int read = 0; while((read=bis.read(bufs, 0, 1024*10)) != -1){ zos.write(bufs,0,read); } } flag = true; } } } catch (FileNotFoundException e) { e.printStackTrace(); throw new RuntimeException(e); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException(e); } finally{ //關閉流 try { if(null != bis) bis.close(); if(null != zos) zos.close(); } catch (IOException e) { e.printStackTrace(); throw new RuntimeException(e); } } } return flag; } public static void main(String[] args){ String sourceFilePath = "D:\\test\\202010"; String zipFilePath = "D:\\test\\202010"; String fileName = "打包測試"; boolean flag = FileToZip.fileToZip(sourceFilePath, zipFilePath, fileName); if(flag){ System.out.println("檔案打包成功!"); }else{ System.out.println("檔案打包失敗!"); } }
}