cn.veasion.project.utils

类 FileUtil

java.lang.Object

cn.hutool.core.io.FileUtil

cn.veasion.project.utils.FileUtil

public class FileUtil
extends cn.hutool.core.io.FileUtil

FileUtil

作者:

luozhuowei

字段概要

字段

限定符和类型	字段和说明
static String	SYS_TEM_DIR 系统临时目录 windows 包含路径分割符，但Linux 不包含, 在windows \\==\ 前提下， 为安全起见 同意拼装 路径分割符， java.io.tmpdir windows : C:\Users/xxx\AppData\Local\Temp\ linux: /tmp

从类继承的字段 cn.hutool.core.io.FileUtil

CLASS_EXT, JAR_FILE_EXT, JAR_PATH_EXT, PATH_FILE_PRE

构造器概要

构造器

构造器和说明
FileUtil()

方法概要

限定符和类型	方法和说明
static boolean	check(File file1, File file2) 判断两个文件是否相同
static boolean	check(String file1Md5, String file2Md5) 判断两个文件是否相同
static void	checkSize(long maxSize, long size)
static void	downloadExcel(List<Map<String,Object>> list, javax.servlet.http.HttpServletResponse response) 导出excel
static void	downloadFile(javax.servlet.http.HttpServletResponse response, File file, boolean deleteOnExit) 下载文件
static String	getExtensionName(String filename) 获取文件扩展名，不带 .
static String	getFileNameNoEx(String filename) Java文件操作 获取不带扩展名的文件名
static String	getMd5(byte[] bytes)
static String	getMd5(File file)
static File	tempFile(String suffix) 临时文件
static File	toFile(org.springframework.web.multipart.MultipartFile multipartFile) MultipartFile转File
static File	upload(org.springframework.web.multipart.MultipartFile file, String filePath) 将文件名解析成文件的上传路径

从类继承的方法 cn.hutool.core.io.FileUtil

appendLines, appendLines, appendLines, appendLines, appendString, appendString, appendString, appendString, appendUtf8Lines, appendUtf8Lines, appendUtf8String, appendUtf8String, checkSlip, checksum, checksumCRC32, clean, clean, cleanEmpty, cleanInvalid, containsInvalid, contentEquals, contentEqualsIgnoreEOL, convertCharset, convertLineSeparator, copy, copy, copyContent, copyFile, copyFile, copyFile, copyFilesFromDir, createRandomAccessFile, createRandomAccessFile, createTempFile, createTempFile, createTempFile, del, del, del, equals, exist, exist, exist, extName, extName, file, file, file, file, file, file, file, getAbsolutePath, getAbsolutePath, getAbsolutePath, getAttributes, getBOMInputStream, getCanonicalPath, getInputStream, getInputStream, getInputStream, getLastPathEle, getLineSeparator, getMimeType, getName, getName, getOutputStream, getOutputStream, getParent, getParent, getPathEle, getPrintWriter, getPrintWriter, getPrintWriter, getReader, getReader, getReader, getReader, getReader, getTmpDir, getTmpDirPath, getType, getUserHomeDir, getUserHomePath, getUtf8Reader, getUtf8Reader, getUtf8Reader, getWebRoot, getWriter, getWriter, getWriter, getWriter, isAbsolutePath, isDirectory, isDirectory, isDirectory, isDirEmpty, isDirEmpty, isEmpty, isFile, isFile, isFile, isModifed, isNotEmpty, isSub, isSymlink, isWindows, lastIndexOfSeparator, lastModifiedTime, lastModifiedTime, listFileNames, load, load, load, loadUtf8, loadUtf8, loopFiles, loopFiles, loopFiles, loopFiles, loopFiles, ls, mainName, mainName, mkdir, mkdir, mkParentDirs, mkParentDirs, move, newerThan, newerThan, newFile, normalize, pathEndsWith, pathEquals, readableFileSize, readableFileSize, readBytes, readBytes, readLine, readLine, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readLines, readString, readString, readString, readString, readString, readUtf8Lines, readUtf8Lines, readUtf8Lines, readUtf8Lines, readUtf8Lines, readUtf8Lines, readUtf8Lines, readUtf8String, readUtf8String, rename, size, subPath, subPath, subPath, tail, tail, tail, touch, touch, touch, touch, walkFiles, writeBytes, writeBytes, writeBytes, writeFromStream, writeFromStream, writeLines, writeLines, writeLines, writeLines, writeLines, writeLines, writeLines, writeLines, writeMap, writeString, writeString, writeString, writeString, writeToStream, writeToStream, writeUtf8Lines, writeUtf8Lines, writeUtf8Map, writeUtf8String, writeUtf8String

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

SYS_TEM_DIR

public static final String SYS_TEM_DIR

系统临时目录
windows 包含路径分割符，但Linux 不包含, 在windows \\==\ 前提下， 为安全起见 同意拼装 路径分割符，

       java.io.tmpdir
       windows : C:\Users/xxx\AppData\Local\Temp\
       linux: /tmp
 

构造器详细资料

FileUtil

public FileUtil()

方法详细资料

toFile

public static File toFile(org.springframework.web.multipart.MultipartFile multipartFile)

MultipartFile转File

tempFile

public static File tempFile(String suffix)

临时文件

getExtensionName

public static String getExtensionName(String filename)

获取文件扩展名，不带 .

getFileNameNoEx

public static String getFileNameNoEx(String filename)

Java文件操作 获取不带扩展名的文件名

upload

public static File upload(org.springframework.web.multipart.MultipartFile file,
                          String filePath)

将文件名解析成文件的上传路径

downloadExcel

public static void downloadExcel(List<Map<String,Object>> list,
                                 javax.servlet.http.HttpServletResponse response)
                          throws IOException

导出excel

抛出:

IOException

checkSize

public static void checkSize(long maxSize,
                             long size)

check

public static boolean check(File file1,
                            File file2)

判断两个文件是否相同

check

public static boolean check(String file1Md5,
                            String file2Md5)

判断两个文件是否相同

getMd5

public static String getMd5(byte[] bytes)

downloadFile

public static void downloadFile(javax.servlet.http.HttpServletResponse response,
                                File file,
                                boolean deleteOnExit)

下载文件

getMd5

public static String getMd5(File file)