cn.ipokerface.common.utils

类 FileUtils

java.lang.Object

org.apache.commons.io.FileUtils

cn.ipokerface.common.utils.FileUtils

public class FileUtils
extends org.apache.commons.io.FileUtils

Created by PokerFace Create Date 2019-11-22. Email: 214888341@163.com Version 1.0.0 Description: more FileUtils

字段概要

从类继承的字段 org.apache.commons.io.FileUtils

EMPTY_FILE_ARRAY, ONE_EB, ONE_EB_BI, ONE_GB, ONE_GB_BI, ONE_KB, ONE_KB_BI, ONE_MB, ONE_MB_BI, ONE_PB, ONE_PB_BI, ONE_TB, ONE_TB_BI, ONE_YB, ONE_ZB

构造器概要

构造器

构造器和说明
FileUtils()

方法概要

限定符和类型	方法和说明
static void	copyFile(File source, File target, boolean override)
static String	fileExt(String filename) 获取一个文件名的扩展名 .ext .png
static String	folderWithSlash(String folderName) 拼接文件夹名字 aaa 会转换成 aaa/ aaa/ 会返回 aaa/
static boolean	isImage(String contentType) 通过mime-type来判断是否是图片
static void	writeTo(File file, OutputStream outputStream)
static void	writeTo(InputStream inputStream, OutputStream outputStream) 提供IO 的读写操作 不会关闭操作流 需要自己关闭
static void	writeTo(String file, OutputStream outputStream)

从类继承的方法 org.apache.commons.io.FileUtils

byteCountToDisplaySize, byteCountToDisplaySize, checksum, checksumCRC32, cleanDirectory, contentEquals, contentEqualsIgnoreEOL, convertFileCollectionToFileArray, copyDirectory, copyDirectory, copyDirectory, copyDirectory, copyDirectoryToDirectory, copyFile, copyFile, copyFileToDirectory, copyFileToDirectory, copyInputStreamToFile, copyToDirectory, copyToDirectory, copyToFile, copyURLToFile, copyURLToFile, deleteDirectory, deleteQuietly, directoryContains, forceDelete, forceDeleteOnExit, forceMkdir, forceMkdirParent, getFile, getFile, getTempDirectory, getTempDirectoryPath, getUserDirectory, getUserDirectoryPath, isFileNewer, isFileNewer, isFileNewer, isFileOlder, isFileOlder, isFileOlder, isSymlink, iterateFiles, iterateFiles, iterateFilesAndDirs, lineIterator, lineIterator, listFiles, listFiles, listFilesAndDirs, moveDirectory, moveDirectoryToDirectory, moveFile, moveFileToDirectory, moveToDirectory, openInputStream, openOutputStream, openOutputStream, readFileToByteArray, readFileToString, readFileToString, readFileToString, readLines, readLines, readLines, sizeOf, sizeOfAsBigInteger, sizeOfDirectory, sizeOfDirectoryAsBigInteger, toFile, toFiles, touch, toURLs, waitFor, write, write, write, write, write, write, writeByteArrayToFile, writeByteArrayToFile, writeByteArrayToFile, writeByteArrayToFile, writeLines, writeLines, writeLines, writeLines, writeLines, writeLines, writeLines, writeLines, writeStringToFile, writeStringToFile, writeStringToFile, writeStringToFile, writeStringToFile, writeStringToFile

从类继承的方法 java.lang.Object

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

构造器详细资料

FileUtils

public FileUtils()

方法详细资料

fileExt

public static String fileExt(String filename)

获取一个文件名的扩展名 .ext .png

参数:

filename - 文件名

返回:

文件名的扩展名

folderWithSlash

public static String folderWithSlash(String folderName)

拼接文件夹名字 aaa 会转换成 aaa/ aaa/ 会返回 aaa/

参数:

folderName -

返回:

name

isImage

public static boolean isImage(String contentType)

通过mime-type来判断是否是图片

参数:

contentType - media-type

返回:

true if is image

copyFile

public static void copyFile(File source,
                            File target,
                            boolean override)
                     throws IOException

参数:

source -

target -

override -

抛出:

IOException

writeTo

public static void writeTo(String file,
                           OutputStream outputStream)
                    throws IOException

抛出:

IOException

writeTo

public static void writeTo(File file,
                           OutputStream outputStream)
                    throws IOException

抛出:

IOException

writeTo

public static void writeTo(InputStream inputStream,
                           OutputStream outputStream)
                    throws IOException

提供IO 的读写操作 不会关闭操作流 需要自己关闭

参数:

inputStream -

outputStream -

抛出:

IOException