zip包解压到指定的位置

电玩女神 2022-07-03 23:39 226阅读 0赞

import java.io.File;  
    import java.io.FileInputStream;  
    import java.io.FileOutputStream;  
    import java.util.ArrayList;  
    import java.util.zip.ZipEntry;  
    import java.util.zip.ZipInputStream;  
    
    /** 
    * 解压缩测试 
    * @说明  
    * @author hanchun
    * @version 1.0 
    * @since 
    */  
    public class EctractZip  {  
        
      @SuppressWarnings( { "unchecked", "static-access" })  
      public static void main(String[] args) {  
    	  EctractZip z = new EctractZip();  
          ArrayList<String> a = z.Ectract("D:\\a\\B0011B23201000_BPU2B9847936832_20170113121314.zip", "D:\\a\\"); // 返回解压缩出来的文件列表  
          for(String s : a){  
              System.out.println(s);  
          }  
      }  
    
      /** 
       * 解压缩 
       * @param sZipPathFile 要解压的文件 
       * @param sDestPath 解压到某文件夹 
       * @return 
       */  
      @SuppressWarnings("unchecked")  
      public static ArrayList Ectract(String sZipPathFile, String sDestPath) {  
          ArrayList<String> allFileName = new ArrayList<String>();  
          try {  
              // 先指定压缩档的位置和档名，建立FileInputStream对象  
              FileInputStream fins = new FileInputStream(sZipPathFile);  
              // 将fins传入ZipInputStream中  
              ZipInputStream zins = new ZipInputStream(fins);  
              ZipEntry ze = null;  
              byte[] ch = new byte[256];  
              while ((ze = zins.getNextEntry()) != null) {  
                  File zfile = new File(sDestPath + ze.getName());  
                  File fpath = new File(zfile.getParentFile().getPath());  
                  if (ze.isDirectory()) {  
                     if (!zfile.exists())  
                          zfile.mkdirs();
                      zins.closeEntry();  
                  } else {  
                      if (!fpath.exists())  
                          fpath.mkdirs();  
                      FileOutputStream fouts = new FileOutputStream(zfile);  
                      int i;  
                      allFileName.add(zfile.getAbsolutePath());  
                      while ((i = zins.read(ch)) != -1)  
                          fouts.write(ch, 0, i);  
                      zins.closeEntry();  
                      fouts.close();  
                  }  
              }  
              fins.close();  
              zins.close();  
          } catch (Exception e) {  
              System.err.println("Extract error:" + e.getMessage());  
          }  
          return allFileName;  
      }  
    }