java解压多目录Zip文件(解决中文乱码问题)--转载

发布时间：2020-12-14 06:21:00 所属栏目：Java 来源：网络整理

导读：原文地址：http://zhangyongbo.iteye.com/blog/1749439 /spanspan style="color: #0000ff;"gt;private/span span style="color: #0000ff;"gt;static/span span style="color: #0000ff;"gt;final/span span style="color: #0000ff;"gt;int/span buffer = 2048

原文地址：http://zhangyongbo.iteye.com/blog/1749439

</span><span style="color: #0000ff;"&gt;private</span> <span style="color: #0000ff;"&gt;static</span> <span style="color: #0000ff;"&gt;final</span> <span style="color: #0000ff;"&gt;int</span> buffer = 2048<span style="color: #000000;"&gt;;

  </span><span style="color: #0000ff;"&gt;public</span> <span style="color: #0000ff;"&gt;static</span> <span style="color: #0000ff;"&gt;void</span><span style="color: #000000;"&gt; main(String[] args)
    {
        unZip(</span>"E:javaAndroidaaa.zip"<span style="color: #000000;"&gt;);
    }
</span><span style="color: #008000;"&gt;/**</span><span style="color: #008000;"&gt;
 * 解压Zip文件
 * </span><span style="color: #808080;"&gt;@param</span><span style="color: #008000;"&gt; path 文件目录
 </span><span style="color: #008000;"&gt;*/</span>
<span style="color: #0000ff;"&gt;public</span> <span style="color: #0000ff;"&gt;static</span> <span style="color: #0000ff;"&gt;void</span><span style="color: #000000;"&gt; unZip(String path)
    {
     </span><span style="color: #0000ff;"&gt;int</span> count = -1<span style="color: #000000;"&gt;;
     String savepath </span>= ""<span style="color: #000000;"&gt;;

     File file </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     InputStream is </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     FileOutputStream fos </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     BufferedOutputStream bos </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;

     savepath </span>= path.substring(0,path.lastIndexOf(".")) + File.separator; <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;保存解压文件目录</span>
     <span style="color: #0000ff;"&gt;new</span> File(savepath).mkdir(); <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;创建保存目录</span>
     ZipFile zipFile = <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     </span><span style="color: #0000ff;"&gt;try</span><span style="color: #000000;"&gt;
     {
          zipFile </span>= <span style="color: #0000ff;"&gt;new</span> ZipFile(path,"gbk"); <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;解决中文乱码问题</span>
         Enumeration<?> entries =<span style="color: #000000;"&gt; zipFile.getEntries();

         </span><span style="color: #0000ff;"&gt;while</span><span style="color: #000000;"&gt;(entries.hasMoreElements())
         {
             </span><span style="color: #0000ff;"&gt;byte</span> buf[] = <span style="color: #0000ff;"&gt;new</span> <span style="color: #0000ff;"&gt;byte</span><span style="color: #000000;"&gt;[buffer];

             ZipEntry entry </span>=<span style="color: #000000;"&gt; (ZipEntry)entries.nextElement();

             String filename </span>=<span style="color: #000000;"&gt; entry.getName();
             </span><span style="color: #0000ff;"&gt;boolean</span> ismkdir = <span style="color: #0000ff;"&gt;false</span><span style="color: #000000;"&gt;;
             </span><span style="color: #0000ff;"&gt;if</span>(filename.lastIndexOf("/") != -1){ <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;检查此文件是否带有文件夹</span>
                 ismkdir = <span style="color: #0000ff;"&gt;true</span><span style="color: #000000;"&gt;;
             }
             filename </span>= savepath +<span style="color: #000000;"&gt; filename;

             </span><span style="color: #0000ff;"&gt;if</span>(entry.isDirectory()){ <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;如果是文件夹先创建</span>
                 file = <span style="color: #0000ff;"&gt;new</span><span style="color: #000000;"&gt; File(filename);
                 file.mkdirs();
                  </span><span style="color: #0000ff;"&gt;continue</span><span style="color: #000000;"&gt;;
             }
             file </span>= <span style="color: #0000ff;"&gt;new</span><span style="color: #000000;"&gt; File(filename);
             </span><span style="color: #0000ff;"&gt;if</span>(!file.exists()){ <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;如果是目录先创建</span>
                 <span style="color: #0000ff;"&gt;if</span><span style="color: #000000;"&gt;(ismkdir){
                 </span><span style="color: #0000ff;"&gt;new</span> File(filename.substring(0,filename.lastIndexOf("/"))).mkdirs(); <span style="color: #008000;"&gt;//</span><span style="color: #008000;"&gt;目录先创建</span>

}
}
file.createNewFile(); //创建文件

is = zipFile.getInputStream(entry);
fos = new FileOutputStream(file);
bos = new BufferedOutputStream(fos,buffer);

             </span><span style="color: #0000ff;"&gt;while</span>((count = is.read(buf)) > -1<span style="color: #000000;"&gt;)
             {
                 bos.write(buf,</span>0<span style="color: #000000;"&gt;,count);
             }
             bos.flush();
             bos.close();
             fos.close();

             is.close();
         }

         zipFile.close();

     }</span><span style="color: #0000ff;"&gt;catch</span><span style="color: #000000;"&gt;(IOException ioe){
         ioe.printStackTrace();
     }</span><span style="color: #0000ff;"&gt;finally</span><span style="color: #000000;"&gt;{
            </span><span style="color: #0000ff;"&gt;try</span><span style="color: #000000;"&gt;{
            </span><span style="color: #0000ff;"&gt;if</span>(bos != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;){
                bos.close();
            }
            </span><span style="color: #0000ff;"&gt;if</span>(fos != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;) {
                fos.close();
            }
            </span><span style="color: #0000ff;"&gt;if</span>(is != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;){
                is.close();
            }
            </span><span style="color: #0000ff;"&gt;if</span>(zipFile != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;){
                zipFile.close();
            }
            }</span><span style="color: #0000ff;"&gt;catch</span><span style="color: #000000;"&gt;(Exception e) {
                e.printStackTrace();
            }
        }
    }

}

指定目录重新的方法如下：

count = -1

     File file </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     InputStream is </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     FileOutputStream fos </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     BufferedOutputStream bos </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;

     ZipFile zipFile </span>= <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;;
     </span><span style="color: #0000ff;"&gt;try</span><span style="color: #000000;"&gt;
     {
          zipFile </span>= <span style="color: #0000ff;"&gt;new</span> ZipFile(path,count);
             }
             bos.flush();
             bos.close();
             fos.close();

             is.close();
         }

         zipFile.close();

     }</span><span style="color: #0000ff;"&gt;catch</span><span style="color: #000000;"&gt;(IOException ioe){
         ioe.printStackTrace();
     }</span><span style="color: #0000ff;"&gt;finally</span><span style="color: #000000;"&gt;{
            </span><span style="color: #0000ff;"&gt;try</span><span style="color: #000000;"&gt;{
            </span><span style="color: #0000ff;"&gt;if</span>(bos != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;){
                bos.close();
            }
            </span><span style="color: #0000ff;"&gt;if</span>(fos != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;) {
                fos.close();
            }
            </span><span style="color: #0000ff;"&gt;if</span>(is != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;){
                is.close();
            }
            </span><span style="color: #0000ff;"&gt;if</span>(zipFile != <span style="color: #0000ff;"&gt;null</span><span style="color: #000000;"&gt;){
                zipFile.close();
            }
            }</span><span style="color: #0000ff;"&gt;catch</span><span style="color: #000000;"&gt;(Exception e) {
                e.printStackTrace();
            }
        }
    }</span></pre>

（编辑：李大同）

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