/**

* 提供给用户使用的解压工具

* @param srcPath

* @param outPath

* @throws IOException*/

public static voiddecompressionFile(String srcPath, String outPath) throws IOException {//简单判断解压路径是否合法

if (!newFile(srcPath).isDirectory()) {//判断输出路径是否合法

if (newFile(outPath).isDirectory()) {if (!outPath.endsWith(File.separator)) {

outPath+=File.separator;

}//zip读取压缩文件

FileInputStream fileInputStream = newFileInputStream(srcPath);

ZipInputStream zipInputStream= newZipInputStream(fileInputStream);//解压文件

decompressionFile(outPath, zipInputStream);//关闭流

zipInputStream.close();

fileInputStream.close();

}else{throw new RuntimeException("输出路径不合法!");

}

}else{throw new RuntimeException("需要解压的文件不合法!");

}

}/**

* ZipInputStream是逐个目录进行读取，所以只需要循环

* @param outPath

* @param inputStream

* @throws IOException*/

private static voiddecompressionFile(String outPath, ZipInputStream inputStream) throws IOException {//读取一个目录

ZipEntry nextEntry =inputStream.getNextEntry();//不为空进入循环

while (nextEntry != null) {

String name=nextEntry.getName();

File file= new File(outPath+name);//如果是目录，创建目录

if (name.endsWith("/")) {

file.mkdir();

}else{//文件则写入具体的路径中

FileOutputStream fileOutputStream = newFileOutputStream(file);

BufferedOutputStream bufferedOutputStream= newBufferedOutputStream(fileOutputStream);intn;byte[] bytes = new byte[1024];while ((n = inputStream.read(bytes)) != -1) {

bufferedOutputStream.write(bytes,0, n);

}//关闭流

bufferedOutputStream.close();

fileOutputStream.close();

}//关闭当前布姆

inputStream.closeEntry();//读取下一个目录，作为循环条件

nextEntry =inputStream.getNextEntry();

}

}