文章目录

• 官方文档
• 一、基础工具类
• • StrUtil / StringUtils 字符串工具类
  • DateUtil 日期工具类
  • NumberUtil 数字工具类
  • BeanUtil JavaBean工具类
  • ClassUtil 类工具类
  • ClassLoaderUtil 类加载器工具类
  • EnumUtil 枚举工具类
  • ModifierUtil 修饰符工具类
  • ObjectUtil 对象工具类
  • ReflectUtil 反射工具类
  • ServiceLoaderUtil 服务加载工具类
  • TypeUtil 类型工具类
• 二、集合工具类
• • CollUtil/CollectionsUtils 通用集合工具类
  • IterUtil 迭代器工具类
  • ListUtil-List工具类
  • MapUtil-Map工具类
  • ArrayUtil-数组工具类
• 三、IO流工具类
• • FileUtil
• 四、实用工具类
• • Convert
  • TreeUtil
  • ThreadUtil
  • LockUtil
  • PageUtil
  • RandomUtil-随机工具类
  • ReUtil- 正则工具类
• 五、其他工具类
• • FontUtil
  • ImgUtil
  • GraphicsUtil
  • NetUtil
  • CsvUtil
  • EscapeUtil
  • URLUtil
  • CronUtil
  • SecureUtil-秘钥工具类
  • PinyinUtil-拼音工具类
  • JSONUtil
  • SystemUtil-系统信息工具类
• 六、Web工具类
• • ServletUtil
  • SpringUtil
• 七、本地工具类
• • ChineseDate
  • IdcardUtil
  • IdUtil

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官方文档

Hutool文档

一、基础工具类

StrUtil / StringUtils 字符串工具类

添加移除：addXXX/appendXXX/removeXXX判断:containsXXX/startWithXXX/endWithXXX/indexOfXXX/lastIndexOfXXX/ordinalIndexOf/isAllCharMatchisBlankIfStr/isBlankOrUndefined/isNullOrUndefined/hasBlank/hasEmpty/isEmpty/isNotEmpty/isAllBlank/isBlank/isNotBlank/isEmptyIfStr/isEmptyOrUndefined/isLowerCase//isUpperCase/isWrap/isSubEquals/isSurround获取：genGetter/genSetter/getReader/getWriter/getContainsStr/getContainsStrIgnoreCase/getGeneralField/length/maxLength/totalLength/uuid/utf8Bytes/utf8Str/转换：blankToDefault/nullToXXX/emptyIfNull/emptyToXXX/toCamelCase/toSymbolCase/toUnderlineCase/操作：subXXX/cleanBlank/concat/count/format/hide/join/fill/fillAfter/fillBefore/filter/lowerFirst/reverse/padAfter/padPre/repeatXXX/trimStart/trimToEmpty/trimToNull/splitXXX/replacXXXunWrapXXX/upperFirstAndAddPre/其他： brief/center/move/similar/strip/stripIgnoreCase/str/strBuilder/builder/swapCase/cut/bytes/byteBuffer/byteLength/compare/compareIgnoreCase/compareVersion/prependIfMissing/prependIfMissingIgnoreCase/

DateUtil 日期工具类

创建：calendar/dateNew/timer/createStopWatch/获取: age/year/month/date/hour/minute/second/millsecond/millisecond/now/today/yesterday/tomorrow/ageOfNow/quarter/yearAndQuarter/current/currentSeconds/dateSecond/ thisWeekOfYear/thisWeekOfMonth/thisDayOfWeek/thisDayOfMonth/thisYear/thisMonth/thisHour/thisMinute/thisSecond/thisMillsecond/thisMillisecond/thisDayOfWeekEnum/thisMonthEnum/dayOfMonth/dayOfWeek/dayOfWeekEnum/dayOfYear/endOfDay/endOfMonth/endOfQuarter/endOfSecond/endOfWeek/endOfYear/beginOfDay/beginOfMonth/beginOfQuarter/beginOfSecond/beginOfWeek/beginOfYear/weekOfMonth/weekOfYear/lastMonth/lastWeek/lengthOfYear/weekCount/monthEnum/quarterEnum/nextMonth/nextWeek/格式化：format/formatBetween/formatChineseDate/formatDate/formatDateTime/formatHttpDate/formatLocalDateTime/formatTime/判断：isAM/isPM/isLeapYear/isSameDay/isSameInstant/isSameTime/isExpired/isIn/转换：parse/parseByPatterns/parseCST/parseDate/parseDateTime/parseLocalDateTime/parseTime/parseTimeToday/parseUTC/toInstant/toIntSecond/toLocalDateTime/timeToSecond/secondToTime/nanosToMillis/nanosToSeconds/操作：offset/offsetDate/offsetDay/offsetHour/offsetMillisecond/offsetMinute/offsetMonth/offsetSecond/offsetWeek/between/betweenDay/betweenMonth/betweenMs/betweenWeek/betweenYear/其他：ceiling/round/truncate/compare/range/rangeToList/spendMs/spendNt/

NumberUtil 数字工具类

判断：isInteger/isLong/isNumber/isDouble/isPrimes/isLess/isLessOrEqual/isGreater/isBlankChar/isBeside/isValidNumber/isGreaterOrEqual/获取：max/min/count/decimalFormat/decimalFormatMoney/sub/getBinaryStr/计算:add/ceilDiv/p/pisor/mul/multiple/processMultiple/sqrt/pow/compare/创建：newBigInteger/generateBySet/generateRandomNumber/转换：formatPercent/fromUnsignedByteArray/binaryToInt/binaryToLong/arseInt/parseLong/parseNumber/partValue/null2Zero/toBigDecimal/toBytes/toInt/toStr/toUnsignedByteArray/zero2One/其他：appendRange/range/round/roundDown/roundHalfEven/roundStr/factorial/

BeanUtil JavaBean工具类

转换：toBean/beanToMap/mapToBean/toBeanIgnoreCase/toBeanIgnoreError/mapToBeanIgnoreCase/获取：getBeanDesc/getFieldValue/getProperty/getPropertyDescriptor/getPropertyDescriptorMap/getPropertyDescriptors/判断：isBean/isEmpty/isMatchName/isNotEmpty/isReadableBean/hasGetter/hasNullField/hasPublicField/hasSetter/设置：setFieldValue/setProperty/fillBean/fillBeanWithMap/fillBeanWithMapIgnoreCase/其他：copyProperties/createDynaBean/findEditor/trimStrFields/

ClassUtil 类工具类

获取：getPublicMethod/getPublicMethods/getPublicMethodNames/getDeclaredMethod/getDeclaredMethods/getDeclaredMethodNames/getDeclaredMethodOfObj/getDeclaredField/getDeclaredFields/ getLocation/getLocationPath/getPackage/getPackagePath/getContextClassLoader/getDefaultValue/getDefaultValues/getEnclosingClass/getJavaClassPaths/getResourceURL/getResourceUrl/getResources/getShortClassName/getTypeArgument/判断：isAbstract/isAllAssignableFrom/isAssignable/isBasicType/isEnum/isJdkClass/isNormalClass/isNotPublic/isPrimitiveWrapper/isPublic/isSimpleTypeOrArray/isSimpleValueType/isStatic/isTopLevelClass/操作:invoke/loadClass/scanPackage/scanPackageByAnnotation/scanPackageBySuper/其他：setAccessible/

ClassLoaderUtil 类加载器工具类

getContextClassLoader/getJarClassLoader/isPresent/loadClass/loadPrimitiveClass/

EnumUtil 枚举工具类

getEnumAt/getEnumMap/getFieldNames/getFieldValues/getNameFieldMap/getNames/contains/fromString/fromStringQuietly/isEnum/likeValueOf/notContains/

ModifierUtil 修饰符工具类

hasModifier/isPublic/isStatic/

ObjectUtil 对象工具类

判断: isEmpty/isNotEmpty/isNull/isNotNull/isAllEmpty/isAllNotEmpty/isBasicType/isValidIfNumber/equal/notEqual/hasEmpty/其他：clone/cloneByStream/cloneIfPossible/emptyCount/getTypeArgument/compare/contains/length/serialize/unserialize/deserialize/defaultIfBlank/defaultIfEmpty/defaultIfNull/

ReflectUtil 反射工具类

获取：getConstructor/getConstructors/getConstructorsDirectly/getField/getFieldMap/getFieldName/getFieldValue/getFields/getMethod/getFieldsDirectly/getFieldsValue/getMethodByName/getMethodByNameIgnoreCase/getMethodIgnoreCase/getStaticFieldValue/getMethodNames/getMethodOfObj/getMethods/getMethodsDirectly/getPublicMethod/getPublicMethodNames/getPublicMethods/判断：isEmptyParam/isEqualsMethod/isHashCodeMethod/isToStringMethod/hasField/操作：invoke/invokeStatic/invokeWithCheck/newInstance/newInstanceIfPossible/setAccessible/setFieldValue/

ServiceLoaderUtil 服务加载工具类

load/loadFirst/loadFirstAvailable/

TypeUtil 类型工具类

getActualType/getActualTypes/getFirstParamClass/getFirstParamType/getParamClass/getParamClasses/getParamType/getParamTypes/getReturnClass/getReturnType/getType/getTypeArgument/getTypeArguments/hasTypeVeriable/isUnknow/toParameterizedType/

二、集合工具类

CollUtil/CollectionsUtils 通用集合工具类

增减：addAll/addAllIfNotContains/removeAny/removeBlank/removeEmpty/removeNull/clear/setOrAppend/判断：contains/containsAll/containsAny/isEmpty/isNotEmpty/hasNull/获取：get/getAny/getElementType/getFieldValues/getFirst/getLast/findOne/findOneByField/fieldValueAsMap/fieldValueMap/indexOfAll/keySet/list/set/map/values/valuesOfKeys/计算：count/countMap/max/min/创建：create/createMap/newHashMap/newHashSet/newLinkedHashSet/empty/emptyIfNull/newLinkedList/newArrayList/newBlockingQueue/newCopyOnWriteArrayList/转换：toCollection/toList/toListMap/toMap/toMapList/toTreeSet/defaultIfEmpty/ unmodifiable/操作：sort/sortByEntry/sortByPinyin/sortByProperty/group/groupByField/sortEntryToList/sortPageAll/sortToMap/padLeft/padRight/filter/filterNew/asEnumeration/asIterable/asIterator/join/union/unionAll/unionDistinct/intersection/forEach/reverse/reverseNew/intersectionDistinct/distinct/sub/subtract/subtractToList/split/其他：disjunction/extract/分页：page/popPart压缩：zip/

IterUtil 迭代器工具类

操作：asIterator/filter/toList/toListMap/toMap/countMap/join/获取：fieldValueAsMap/fieldValueList/fieldValueMap/getElementType/getFirst/empty/hasNull/isAllNull/isEmpty/isNotEmpty/

ListUtil-List工具类

获取：indexOfAll/empty/page/setOrAppend/sub/转换：toCopyOnWriteArrayList/toLinkedList/toList/unmodifiable/list/操作：filter/reverse/reverseNew/sort/sortByPinyin/sortByProperty/

MapUtil-Map工具类

创建：newConcurrentHashMap/newHashMap/newIdentityMap/newTreeMap/of/builder/createMap/createProxy/获取：get/getAny/getBool/getChar/getDate/getDouble/getFloat/getInt/getLong/getShort/getStr/增减：clear/removeAny/removeNullValue/renameKey/判断：isEmpty/isNotEmpty/转换：toCamelCaseMap/toListMap/toMapList/toObjectArray/unmodifiable/wrap/操作：defaultIfEmpty/empty/emptyIfNull/join/joinIgnoreNull/ilter/inverse/reverse/sort/sortJoin/

ArrayUtil-数组工具类

增减：newArray/remove/removeBlank/removeEle/removeEmpty/removeNull/insert/addAll/append/copy/clone/setOrAppend/判断：contains/containsAny/containsIgnoreCase/hasEmpty/hasNull/isAllEmpty/isAllNotEmpty/isAllNotNull/isAllNull/isArray/isEmpty/isNotEmpty/获取：get/getAny/getArrayType/getComponentType/firstNonNull/defaultIfEmpty/indexOf/indexOfIgnoreCase/lastIndexOf/max/min/length/操作：cast/distinct/filter/edit/join/range/resize/reverse/split/sub/unWrap/wrap/swap/转换：toArray/zip/nullToEmpty/emptyCount/

三、IO流工具类

FileUtil

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

四、实用工具类

Convert

转换：toBigDecimal/toBigInteger/toBool/toBooleanArray/toByte/toByteArray/toChar/toCharArray/toCollection/toDBC/toDate/toDouble/toDoubleArray/toEnum/toFloat/toFloatArray/toHex/toInstant/toInt/toIntArray/toList/toLocalDateTime/toLong/toLongArray/toMap/toNumber/toNumberArray/toPrimitiveByteArray/toSBC/toShort/toShortArray/toStr/toStrArray/byteToUnsignedInt/bytesToInt/bytesToLong/bytesToShort/hexStrToStr/hexToBytes/hexToStr/intToByte/intToBytes/longToBytes/numberToChinese/numberToWord/shortToBytes/strToUnicode/unicodeToStr/digitToChinese/操作：convert/convertByClassName/convertCharset/convertQuietly/convertTime/convertWithCheck/unWrap/wrap/

TreeUtil

build/getNode/getParentsName/

ThreadUtil

创建：newCompletionService/newCountDownLatch/newExecutor/newExecutorByBlockingCoefficient/newNamedThreadFactory/newSingleExecutor/newThread/createThreadFactoryBuilder/createThreadLocal/获取：getMainThread/getStackTrace/getStackTraceElement/getThreads/currentThreadGroup/concurrencyTest/执行：execAsync/execute/safeSleep/sleep/sync/interrupt/

LockUtil

createReadWriteLock/createStampLock/getNoLock/

PageUtil

getEnd/getFirstPageNo/getStart/rainbow/setFirstPageNo/setOneAsFirstPageNo/totalPage/transToStartEnd/

RandomUtil-随机工具类

createSecureRandom/getRandom/getSecureRandom/randomBigDecimal/randomBoolean/randomBytes/randomChar/randomColor/randomDate/randomDay/randomDouble/randomEle/randomEleList/randomEleSet/randomEles/randomInt/randomInts/randomLong/randomNumber/randomNumbers/randomString/randomStringUpper/randomStringWithoutStr/randomUUID/simpleUUID/weightRandom/

ReUtil- 正则工具类

contains/count/delAll/delFirst/delPre/escape/extractMulti/extractMultiAndDelPre/isMatch/replaceAll/findAll/findAllGroup0/findAllGroup1/get/getAllGroups/getFirstNumber/getGroup0/getGroup1/

五、其他工具类

FontUtil

createFont/createSansSerifFont/getDimension/

ImgUtil

创建：createFont/createGraphics/createImage/获取：getColor/getImageInputStream/getImageOutputStream/getPointBaseCentre/getReader/getRectangle/getWriter/转换：toBase64/toBase64DataUri/toBufferedImage/toBytes/toHex/toImage/toRenderedImage/toStream/hexToColor/读写：read/write/writeJpg/writePng/操作:backgroundRemoval/binary/compress/convert/copyImage/cut/flip/gray/pressImage/pressText/randomColor/rotate/scale/slice/sliceByRowsAndCols/

GraphicsUtil

createGraphics/drawImg/drawString/drawStringColourful/getCenterY/setAlpha/

NetUtil

获取:getIpByHost/getLocalMacAddress/getLocalhost/getLocalhostStr/getMacAddress/getMultistageReverseProxyIp/getNetworkInterface/getNetworkInterfaces/getUsableLocalPort/getUsableLocalPorts/判断：isInRange/isInnerIP/isOpen/isUnknow/isUnknown/isUsableLocalPort/isValidPort/获取：localAddressList/localIps/localIpv4s/localIpv6s/longToIpv4/操作：netCat/parseCookies/ping/toAbsoluteUrl/toIpList/createAddress/hideIpPart/idnToASCII/ipv4ToLong/buildInetSocketAddress/

CsvUtil

getReader/getWriter/

EscapeUtil

escape/escapeAll/escapeHtml4/safeUnescape/unescape/unescapeHtml4/

URLUtil

操作:buildQuery/complateUrl/completeUrl/normalize/url/decode/encode/encodeAll/encodeBlank/encodeQuery/toURI/toUrlForHttp/获取：getContentLength/getDataUri/getDataUriBase64/getDecodedPath/getHost/getJarFile/getPath/getReader/getStream/getURL/getURLs/判断：isFileURL/isJarFileURL/isJarURL/

CronUtil

getScheduler/remove/restart/schedule/setCronSetting/setMatchSecond/start/stop/updatePattern/

SecureUtil-秘钥工具类

生成秘钥： generateAlgorithm/generateDESKey/generateKey/generateKeyPair/generatePBEKey/generatePrivateKey/generatePublicKey/generateSignature/读取：readCertificate/readJKSKeyStore/readKeyStore/readX509Certificate/ 验签：sign/signParams/signParamsMd5/signParamsSha1/signParamsSha256/操作: hmac/hmacMd5/hmacSha1/md5/rc4/rsa/sha1/sha256/des/aes/addProvider/simpleUUID/createCipher/createMac/createMessageDigest/decode/desede/disableBouncyCastle/getAlgorithmAfterWith/getCertificate/

PinyinUtil-拼音工具类

getEngine/getFirstLetter/getPinyin/isChinese/

JSONUtil

判断: isJson/isJsonArray/isJsonObj/isNull/转换： parse/parseArray/parseFromMap/parseFromResourceBundle/parseFromXml/parseObj/toBean/toJsonPrettyStr/toJsonStr/toList/toXmlStr/formatJsonStr/xmlToJson/读取：readJSON/readJSONArray/readJSONObject/getByPath/操作：putByPath/putDeserializer/putSerializer/createArray/createObj/quote/wrap/escape/

SystemUtil-系统信息工具类

获取信息：get/getBoolean/getInt/getLong/getCompilationMXBean/getCurrentPID/获取本机信息：getHostInfo/getUserInfo/props/dumpSystemInfo/获取JDK信息：getJavaInfo/getJavaRuntimeInfo/getJavaSpecInfo/获取虚拟机信息：getJvmInfo/getJvmSpecInfo/getGarbageCollectorMXBeans/获取内存信息：getMaxMemory/getMemoryMXBean/getMemoryManagerMXBeans/getMemoryPoolMXBeans/getFreeMemory/getTotalMemory/获取操作系统等信息：getOperatingSystemMXBean/getOsInfo/getRuntimeInfo/getRuntimeMXBean/getThreadMXBean/getTotalThreadCount/

六、Web工具类

ServletUtil

获取：getBody/getBodyBytes/getClientIP/getClientIPByHeader/getCookie/getHeader/getHeaderIgnoreCase/getHeaderMap/getMultipart/getParamMap/getParams/getWriter/判断:isGetMethod/isIE/isMultipart/isPostMethod/操作：readCookieMap/setHeader/toBean/write/fillBean/addCookie/

SpringUtil

getActiveProfile/getActiveProfiles/getApplicationContext/getBean/getBeanNamesForType/getBeansOfType/getProperty/setApplicationContext/

七、本地工具类

ChineseDate

getChineseDay/getChineseMonth/getChineseMonthName/getChineseYear/getChineseZodiac/getCyclical/getDay/getFestivals/getMonth/

IdcardUtil

获取：getAgeByIdCard/getBirth/getBirthByIdCard/getBirthDate/getDayByIdCard/getGenderByIdCard/getMonthByIdCard/getProvinceByIdCard/getYearByIdCard/操作: hide/convert15To18/判断： isValidCard/isValidCard10/isValidCard15/isValidCard18/isValidHKCard/isValidTWCard/

IdUtil

createSnowflake/fastSimpleUUID/fastUUID/getSnowflake/objectId/randomUUID/simpleUUID/