ZipFile

java.lang.Object
- java.util.zip.ZipFile

所有已实现的接口:

Closeable, AutoCloseable

直接已知子类:

JarFile
```
public class ZipFile
extends Object
implements Closeable
```
This class is used to read entries from a zip file.
Unless otherwise noted, passing a null argument to a constructor or method in this class will cause a NullPointerException to be thrown.

字段概要

字段
限定符和类型	字段	说明
`static int`	`CENATT`
`static int`	`CENATX`
`static int`	`CENCOM`
`static int`	`CENCRC`
`static int`	`CENDSK`
`static int`	`CENEXT`
`static int`	`CENFLG`
`static int`	`CENHDR`
`static int`	`CENHOW`
`static int`	`CENLEN`
`static int`	`CENNAM`
`static int`	`CENOFF`
`static long`	`CENSIG`
`static int`	`CENSIZ`
`static int`	`CENTIM`
`static int`	`CENVEM`
`static int`	`CENVER`
`static int`	`ENDCOM`
`static int`	`ENDHDR`
`static int`	`ENDOFF`
`static long`	`ENDSIG`
`static int`	`ENDSIZ`
`static int`	`ENDSUB`
`static int`	`ENDTOT`
`static int`	`EXTCRC`
`static int`	`EXTHDR`
`static int`	`EXTLEN`
`static long`	`EXTSIG`
`static int`	`EXTSIZ`
`static int`	`LOCCRC`
`static int`	`LOCEXT`
`static int`	`LOCFLG`
`static int`	`LOCHDR`
`static int`	`LOCHOW`
`static int`	`LOCLEN`
`static int`	`LOCNAM`
`static long`	`LOCSIG`
`static int`	`LOCSIZ`
`static int`	`LOCTIM`
`static int`	`LOCVER`
`static int`	`OPEN_DELETE`	Mode flag to open a zip file and mark it for deletion.
`static int`	`OPEN_READ`	Mode flag to open a zip file for reading.

构造器概要

构造器
构造器	说明
`ZipFile(File file)`	Opens a ZIP file for reading given the specified File object.
`ZipFile(File file, int mode)`	Opens a new `ZipFile` to read from the specified `File` object in the specified mode.
`ZipFile(File file, int mode, Charset charset)`	Opens a new `ZipFile` to read from the specified `File` object in the specified mode.
`ZipFile(File file, Charset charset)`	Opens a ZIP file for reading given the specified File object.
`ZipFile(String name)`	Opens a zip file for reading.
`ZipFile(String name, Charset charset)`	Opens a zip file for reading.

方法概要

所有方法实例方法具体方法
限定符和类型	方法	说明
`void`	`close()`	Closes the ZIP file.
`Enumeration<? extends ZipEntry>`	`entries()`	Returns an enumeration of the ZIP file entries.
`protected void`	`finalize()`	Ensures that the system resources held by this ZipFile object are released when there are no more references to it.
`String`	`getComment()`	Returns the zip file comment, or null if none.
`ZipEntry`	`getEntry(String name)`	Returns the zip file entry for the specified name, or null if not found.
`InputStream`	`getInputStream(ZipEntry entry)`	Returns an input stream for reading the contents of the specified zip file entry.
`String`	`getName()`	Returns the path name of the ZIP file.
`int`	`size()`	Returns the number of entries in the ZIP file.
`Stream<? extends ZipEntry>`	`stream()`	Return an ordered `Stream` over the ZIP file entries.

从类继承的方法 java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - CENATT
```
public static final int CENATT
```
    另请参阅:
    
    常量字段值
  - CENATX
```
public static final int CENATX
```
    另请参阅:
    
    常量字段值
  - CENCOM
```
public static final int CENCOM
```
    另请参阅:
    
    常量字段值
  - CENCRC
```
public static final int CENCRC
```
    另请参阅:
    
    常量字段值
  - CENDSK
```
public static final int CENDSK
```
    另请参阅:
    
    常量字段值
  - CENEXT
```
public static final int CENEXT
```
    另请参阅:
    
    常量字段值
  - CENFLG
```
public static final int CENFLG
```
    另请参阅:
    
    常量字段值
  - CENHDR
```
public static final int CENHDR
```
    另请参阅:
    
    常量字段值
  - CENHOW
```
public static final int CENHOW
```
    另请参阅:
    
    常量字段值
  - CENLEN
```
public static final int CENLEN
```
    另请参阅:
    
    常量字段值
  - CENNAM
```
public static final int CENNAM
```
    另请参阅:
    
    常量字段值
  - CENOFF
```
public static final int CENOFF
```
    另请参阅:
    
    常量字段值
  - CENSIG
```
public static final long CENSIG
```
    另请参阅:
    
    常量字段值
  - CENSIZ
```
public static final int CENSIZ
```
    另请参阅:
    
    常量字段值
  - CENTIM
```
public static final int CENTIM
```
    另请参阅:
    
    常量字段值
  - CENVEM
```
public static final int CENVEM
```
    另请参阅:
    
    常量字段值
  - CENVER
```
public static final int CENVER
```
    另请参阅:
    
    常量字段值
  - ENDCOM
```
public static final int ENDCOM
```
    另请参阅:
    
    常量字段值
  - ENDHDR
```
public static final int ENDHDR
```
    另请参阅:
    
    常量字段值
  - ENDOFF
```
public static final int ENDOFF
```
    另请参阅:
    
    常量字段值
  - ENDSIG
```
public static final long ENDSIG
```
    另请参阅:
    
    常量字段值
  - ENDSIZ
```
public static final int ENDSIZ
```
    另请参阅:
    
    常量字段值
  - ENDSUB
```
public static final int ENDSUB
```
    另请参阅:
    
    常量字段值
  - ENDTOT
```
public static final int ENDTOT
```
    另请参阅:
    
    常量字段值
  - EXTCRC
```
public static final int EXTCRC
```
    另请参阅:
    
    常量字段值
  - EXTHDR
```
public static final int EXTHDR
```
    另请参阅:
    
    常量字段值
  - EXTLEN
```
public static final int EXTLEN
```
    另请参阅:
    
    常量字段值
  - EXTSIG
```
public static final long EXTSIG
```
    另请参阅:
    
    常量字段值
  - EXTSIZ
```
public static final int EXTSIZ
```
    另请参阅:
    
    常量字段值
  - LOCCRC
```
public static final int LOCCRC
```
    另请参阅:
    
    常量字段值
  - LOCEXT
```
public static final int LOCEXT
```
    另请参阅:
    
    常量字段值
  - LOCFLG
```
public static final int LOCFLG
```
    另请参阅:
    
    常量字段值
  - LOCHDR
```
public static final int LOCHDR
```
    另请参阅:
    
    常量字段值
  - LOCHOW
```
public static final int LOCHOW
```
    另请参阅:
    
    常量字段值
  - LOCLEN
```
public static final int LOCLEN
```
    另请参阅:
    
    常量字段值
  - LOCNAM
```
public static final int LOCNAM
```
    另请参阅:
    
    常量字段值
  - LOCSIG
```
public static final long LOCSIG
```
    另请参阅:
    
    常量字段值
  - LOCSIZ
```
public static final int LOCSIZ
```
    另请参阅:
    
    常量字段值
  - LOCTIM
```
public static final int LOCTIM
```
    另请参阅:
    
    常量字段值
  - LOCVER
```
public static final int LOCVER
```
    另请参阅:
    
    常量字段值
  - OPEN_DELETE
```
public static final int OPEN_DELETE
```
    Mode flag to open a zip file and mark it for deletion. The file will be deleted some time between the moment that it is opened and the moment that it is closed, but its contents will remain accessible via the ZipFile object until either the close method is invoked or the virtual machine exits.
    
    另请参阅:
    
    常量字段值
  - OPEN_READ
```
public static final int OPEN_READ
```
    Mode flag to open a zip file for reading.
    
    另请参阅:
    
    常量字段值
- 构造器详细资料
  - ZipFile
```
public ZipFile(String name)
        throws IOException
```
    Opens a zip file for reading.
    First, if there is a security manager, its checkRead method is called with the name argument as its argument to ensure the read is allowed.
    The UTF-8 charset is used to decode the entry names and comments.
    
    参数:
    
    name - the name of the zip file
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
    
    SecurityException - if a security manager exists and its checkRead method doesn't allow read access to the file.
    
    另请参阅:
    
    SecurityManager.checkRead(java.lang.String)
  - ZipFile
```
public ZipFile(File file,
               int mode)
        throws IOException
```
    Opens a new ZipFile to read from the specified File object in the specified mode. The mode argument must be either OPEN_READ or OPEN_READ | OPEN_DELETE.
    First, if there is a security manager, its checkRead method is called with the name argument as its argument to ensure the read is allowed.
    The UTF-8 charset is used to decode the entry names and comments
    
    参数:
    
    file - the ZIP file to be opened for reading
    
    mode - the mode in which the file is to be opened
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
    
    SecurityException - if a security manager exists and its checkRead method doesn't allow read access to the file, or its checkDelete method doesn't allow deleting the file when the OPEN_DELETE flag is set.
    
    IllegalArgumentException - if the mode argument is invalid
    
    从以下版本开始:
    
    1.3
    
    另请参阅:
    
    SecurityManager.checkRead(java.lang.String)
  - ZipFile
```
public ZipFile(File file)
        throws IOException,
               ZipException
```
    Opens a ZIP file for reading given the specified File object.
    The UTF-8 charset is used to decode the entry names and comments.
    
    参数:
    
    file - the ZIP file to be opened for reading
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
  - ZipFile
```
public ZipFile(File file,
               int mode,
               Charset charset)
        throws IOException
```
    Opens a new ZipFile to read from the specified File object in the specified mode. The mode argument must be either OPEN_READ or OPEN_READ | OPEN_DELETE.
    First, if there is a security manager, its checkRead method is called with the name argument as its argument to ensure the read is allowed.
    
    参数:
    
    file - the ZIP file to be opened for reading
    
    mode - the mode in which the file is to be opened
    
    charset - the charset to be used to decode the ZIP entry name and comment that are not encoded by using UTF-8 encoding (indicated by entry's general purpose flag).
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
    
    SecurityException - if a security manager exists and its checkRead method doesn't allow read access to the file,or its checkDelete method doesn't allow deleting the file when the OPEN_DELETE flag is set
    
    IllegalArgumentException - if the mode argument is invalid
    
    从以下版本开始:
    
    1.7
    
    另请参阅:
    
    SecurityManager.checkRead(java.lang.String)
  - ZipFile
```
public ZipFile(String name,
               Charset charset)
        throws IOException
```
    Opens a zip file for reading.
    First, if there is a security manager, its checkRead method is called with the name argument as its argument to ensure the read is allowed.
    
    参数:
    
    name - the name of the zip file
    
    charset - the charset to be used to decode the ZIP entry name and comment that are not encoded by using UTF-8 encoding (indicated by entry's general purpose flag).
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
    
    SecurityException - if a security manager exists and its checkRead method doesn't allow read access to the file
    
    从以下版本开始:
    
    1.7
    
    另请参阅:
    
    SecurityManager.checkRead(java.lang.String)
  - ZipFile
```
public ZipFile(File file,
               Charset charset)
        throws IOException
```
    Opens a ZIP file for reading given the specified File object.
    
    参数:
    
    file - the ZIP file to be opened for reading
    
    charset - The charset to be used to decode the ZIP entry name and comment (ignored if the language encoding bit of the ZIP entry's general purpose bit flag is set).
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
    
    从以下版本开始:
    
    1.7
- 方法详细资料
  - getComment
```
public String getComment()
```
    Returns the zip file comment, or null if none.
    
    返回:
    
    the comment string for the zip file, or null if none
    
    抛出:
    
    IllegalStateException - if the zip file has been closed Since 1.7
  - getEntry
```
public ZipEntry getEntry(String name)
```
    Returns the zip file entry for the specified name, or null if not found.
    
    参数:
    
    name - the name of the entry
    
    返回:
    
    the zip file entry, or null if not found
    
    抛出:
    
    IllegalStateException - if the zip file has been closed
  - getInputStream
```
public InputStream getInputStream(ZipEntry entry)
                           throws IOException
```
    Returns an input stream for reading the contents of the specified zip file entry.
    Closing this ZIP file will, in turn, close all input streams that have been returned by invocations of this method.
    
    参数:
    
    entry - the zip file entry
    
    返回:
    
    the input stream for reading the contents of the specified zip file entry.
    
    抛出:
    
    ZipException - if a ZIP format error has occurred
    
    IOException - if an I/O error has occurred
    
    IllegalStateException - if the zip file has been closed
  - getName
```
public String getName()
```
    Returns the path name of the ZIP file.
    
    返回:
    
    the path name of the ZIP file
  - entries
```
public Enumeration<? extends ZipEntry> entries()
```
    Returns an enumeration of the ZIP file entries.
    
    返回:
    
    an enumeration of the ZIP file entries
    
    抛出:
    
    IllegalStateException - if the zip file has been closed
  - stream
```
public Stream<? extends ZipEntry> stream()
```
    Return an ordered Stream over the ZIP file entries. Entries appear in the Stream in the order they appear in the central directory of the ZIP file.
    
    返回:
    
    an ordered Stream of entries in this ZIP file
    
    抛出:
    
    IllegalStateException - if the zip file has been closed
    
    从以下版本开始:
    
    1.8
  - size
```
public int size()
```
    Returns the number of entries in the ZIP file.
    
    返回:
    
    the number of entries in the ZIP file
    
    抛出:
    
    IllegalStateException - if the zip file has been closed
  - close
```
public void close()
           throws IOException
```
    Closes the ZIP file.
    Closing this ZIP file will close all of the input streams previously returned by invocations of the getInputStream method.
    
    指定者:
    
    close 在接口中 AutoCloseable
    
    指定者:
    
    close 在接口中 Closeable
    
    抛出:
    
    IOException - if an I/O error has occurred
  - finalize
```
protected void finalize()
                 throws IOException
```
    Ensures that the system resources held by this ZipFile object are released when there are no more references to it.
    Since the time when GC would invoke this method is undetermined, it is strongly recommended that applications invoke the close method as soon they have finished accessing this ZipFile. This will prevent holding up system resources for an undetermined length of time.
    
    覆盖:
    
    finalize 在类中 Object
    
    抛出:
    
    IOException - if an I/O error has occurred
    
    另请参阅:
    
    close()

类 ZipFile

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

CENATT

CENATX

CENCOM

CENCRC

CENDSK

CENEXT

CENFLG

CENHDR

CENHOW

CENLEN

CENNAM

CENOFF

CENSIG

CENSIZ

CENTIM

CENVEM

CENVER

ENDCOM

ENDHDR

ENDOFF

ENDSIG

ENDSIZ

ENDSUB

ENDTOT

EXTCRC

EXTHDR

EXTLEN

EXTSIG

EXTSIZ

LOCCRC

LOCEXT

LOCFLG

LOCHDR

LOCHOW

LOCLEN

LOCNAM

LOCSIG

LOCSIZ

LOCTIM

LOCVER

OPEN_DELETE

OPEN_READ

构造器详细资料

ZipFile

ZipFile

ZipFile

ZipFile

ZipFile

ZipFile

方法详细资料

getComment

getEntry

getInputStream

getName

entries

stream

size

close

finalize