JAVA ZipFile 解压zip

2019-11-08 01:10:27

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java ZipFile 解压zip

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代码块

int buffSize=204800;Charset charset=Charset.forName("GBK");String srcPath="C://Users//Joue//Desktop//新建文件夹.zip";String exPath="C://Users//Joue//Desktop//";ZipFile zipFile=new ZipFile(srcPath,charset);Enumeration<ZipEntry> enumeration=(Enumeration<ZipEntry>)zipFile.entries();while (enumeration.hasMoreElements()) { try { ZipEntry zipEntry=enumeration.nextElement(); if(zipEntry.isDirectory()) {//文件夹 File file=new File(exPath+zipEntry.getName()); if (!file.exists()){ file.mkdir(); } } else { FileOutputStream fileOutputStream = new FileOutputStream(exPath + zipEntry.getName()); InputStream inputStream=zipFile.getInputStream(zipEntry); int count=0,tinybuff=buffSize; if(inputStream.available()<tinybuff){ tinybuff=inputStream.available();//读取流中可读取大小 } byte[] datas=new byte[tinybuff]; while ((count=inputStream.read(datas,0,tinybuff))!=-1){//遇到文件结尾返回-1 否则返回实际的读数 fileOutputStream.write(datas,0,count); if(inputStream.available()<tinybuff){ tinybuff=inputStream.available(); }else tinybuff=buffSize; datas=new byte[tinybuff]; } fileOutputStream.flush();//刷新缓冲 fileOutputStream.close(); } } catch (Exception e){ e.PRintStackTrace(); }}zipFile.close();

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