package ccc.my;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;

public class Juneibulei {
 public static void jieyacaozuo() throws IOException {
  int hc = -1;
  byte jyhcq[] = new byte[Byte.MAX_VALUE];// 因为我认为为hc分配了内存如果不去沾满它感觉浪费了，物尽其用嘛

  File ywj = new File("E:\\明日科技教程\\java开发资源库.zip");// 要读取源文件对象引用
  ZipInputStream hi = new ZipInputStream(new FileInputStream(ywj));// 实例化zip流入流，用来读取压缩包压缩数据

  FileOutputStream xieru = null;// 将hi读取的数据（已加压的）写入解压路径
  ZipEntry duqutiaomu = null;// 设立对象引用但为调用其构造方法为其分配内存，所以设立为null

  while (true) {
   duqutiaomu = hi.getNextEntry();// 循环读取一个条目，
   if (duqutiaomu == null) {
    System.out.println("因为为空包所以无法解压");
    break;
   } else if (!(duqutiaomu.isDirectory())) {
    continue;
   } else {
    File ls = new File("D:\\" + ywj.getName() + duqutiaomu.getName());
    if (!(ls.exists())) {
     ls.mkdirs();
    }
    xieru = new FileOutputStream(ls);
    while ((hc = hi.read(jyhcq)) != -1) {
     xieru.write(jyhcq, 0, hc);
     xieru.flush();
    }
   }
   hi.closeEntry();
   xieru.close();

  }
  hi.close();
 }

 public static void main(String[] args) {
  try {
   jieyacaozuo();
  } catch (Exception e) {
   e.printStackTrace();
  }
 }//不知为什么会出现这个异常，以百度。这好像是非法参数异常但我愚钝看不出，请老师或大佬呈正谢谢

}异常信息：java.lang.IllegalArgumentException: MALFORMED
 at java.util.zip.ZipCoder.toString(Unknown Source)
 at java.util.zip.ZipInputStream.readLOC(Unknown Source)
 at java.util.zip.ZipInputStream.getNextEntry(Unknown Source)
 at ccc.my.Juneibulei.jieyacaozuo(Juneibulei.java:24)
 at ccc.my.Juneibulei.main(Juneibulei.java:50)