autojs解压apk

importClass(java.io.FileInputStream);
importClass(java.io.InputStreamReader);
importClass(java.io.File);
importClass(java.io.FileOutputStream);
importClass(java.util.zip.ZipInputStream);
let apkFilePath = "/sdcard/aaa/EasyEdge_1.1.apk";
let dir = "/sdcard/aaa/ccc";
unzip(apkFilePath, dir);
function unzip(apkFilePath, dir) {
  let fis = new FileInputStream(apkFilePath);
  let dest = new File(dir);
  if (!dest.isDirectory()) {
    throw new Error("文件夹不存在");
  } else if (fis == null) {
    throw new Error("apk不存在");
  } else {
    let zip = new ZipInputStream(fis);
    while (true) {
      let ze = zip.getNextEntry();
      if (ze != null) {
        let path = java.lang.String.valueOf(dest.getAbsolutePath()) + File.separator + ze.getName();
        files.createWithDirs(path);
        let fout = new FileOutputStream(path);
        let bytes = util.java.array("byte", 1024);
        let len = 0;
        while (true) {
          let c = zip.read(bytes);
          if (c == -1) {
            break;
          }
          len += c;
          fout.write(bytes, 0, c);
        }
        log("item:" + path + ";" + len);
        zip.closeEntry();
        fout.close();
      } else {
        fis.close();
        return;
      }
    }
  }
}