love.cq.util

类 IOUtil

java.lang.Object

love.cq.util.IOUtil

public class IOUtil
extends Object

java 一个简单的io操作

作者:

ansj

字段概要

字段

限定符和类型	字段和说明
static String	GBK
static String	LINE
static byte[]	LINEBYTE
static byte[]	TABBYTE
static String	TABLE
static String	UTF8

构造器概要

构造器

构造器和说明
IOUtil()

方法概要

限定符和类型	方法和说明
static void	close(InputStream is) 关闭字节流
static void	close(OutputStream os) 关闭字节流
static void	close(Reader reader) 关闭字符流
static String	getContent(BufferedReader reader)
static String	getContent(File file, String charEncoding)
static String	getContent(InputStream is, String charEncoding)
static String	getContent(String path, String charEncoding)
static InputStream	getInputStream(String path)
static RandomAccessFile	getRandomAccessFile(String path, String charEncoding)
static BufferedReader	getReader(InputStream inputStream, String charEncoding)
static BufferedReader	getReader(String path, String charEncoding)
static FileIterator	instanceFileIterator(String path, String charEncoding)
static <K,V> HashMap<K,V>	loadMap(String path, String charEncoding, Class<K> key, Class<V> value) 加载一个文件到hashMap
static void	main(String[] args)
static List<String>	readFile2List(BufferedReader br) 从一个字符流读取文件到list.
static List<String>	readFile2List(File file, String charEncoding)
static List<String>	readFile2List(String path, String charEncoding)
static <K,V> void	writeMap(Map<K,V> hm, String path, String charEncoding)
static void	Writer(String path, String charEncoding, String content)
static void	WriterObj(String path, Serializable hm) 将一个对象序列化到硬盘中

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

UTF8

public static final String UTF8

另请参阅:

常量字段值

GBK

public static final String GBK

另请参阅:

常量字段值

TABLE

public static final String TABLE

另请参阅:

常量字段值

LINE

public static final String LINE

另请参阅:

常量字段值

TABBYTE

public static final byte[] TABBYTE

LINEBYTE

public static final byte[] LINEBYTE

构造器详细资料

IOUtil

public IOUtil()

方法详细资料

getInputStream

public static InputStream getInputStream(String path)

getReader

public static BufferedReader getReader(String path,
                                       String charEncoding)
                                throws FileNotFoundException,
                                       UnsupportedEncodingException

抛出:

FileNotFoundException

UnsupportedEncodingException

getRandomAccessFile

public static RandomAccessFile getRandomAccessFile(String path,
                                                   String charEncoding)
                                            throws FileNotFoundException

抛出:

FileNotFoundException

Writer

public static void Writer(String path,
                          String charEncoding,
                          String content)

getReader

public static BufferedReader getReader(InputStream inputStream,
                                       String charEncoding)
                                throws UnsupportedEncodingException

抛出:

UnsupportedEncodingException

getContent

public static String getContent(String path,
                                String charEncoding)

getContent

public static String getContent(InputStream is,
                                String charEncoding)

getContent

public static String getContent(File file,
                                String charEncoding)

getContent

public static String getContent(BufferedReader reader)
                         throws IOException

抛出:

IOException

WriterObj

public static void WriterObj(String path,
                             Serializable hm)
                      throws FileNotFoundException,
                             IOException

将一个对象序列化到硬盘中

参数:

string -

hm -

抛出:

IOException

FileNotFoundException

close

public static void close(Reader reader)

关闭字符流

参数:

reader -

close

public static void close(InputStream is)

关闭字节流

参数:

is -

close

public static void close(OutputStream os)

关闭字节流

参数:

is -

instanceFileIterator

public static FileIterator instanceFileIterator(String path,
                                                String charEncoding)

loadMap

public static <K,V> HashMap<K,V> loadMap(String path,
                                         String charEncoding,
                                         Class<K> key,
                                         Class<V> value)
                                  throws UnsupportedEncodingException

加载一个文件到hashMap

参数:

path -

charEncoding -

key -

value -

返回:

抛出:

UnsupportedEncodingException

writeMap

public static <K,V> void writeMap(Map<K,V> hm,
                                  String path,
                                  String charEncoding)
                           throws IOException

抛出:

IOException

readFile2List

public static List<String> readFile2List(String path,
                                         String charEncoding)
                                  throws UnsupportedEncodingException,
                                         FileNotFoundException

抛出:

UnsupportedEncodingException

FileNotFoundException

readFile2List

public static List<String> readFile2List(File file,
                                         String charEncoding)
                                  throws FileNotFoundException,
                                         UnsupportedEncodingException

抛出:

FileNotFoundException

UnsupportedEncodingException

readFile2List

public static List<String> readFile2List(BufferedReader br)

从一个字符流读取文件到list.

参数:

br -

返回:

抛出:

IOException

main

public static void main(String[] args)
                 throws UnsupportedEncodingException

抛出:

UnsupportedEncodingException