一、org.apache.commons.io.IOUtils
closeQuietly()
toString()
copy()
toByteArray()
write()
toInputStream()
readLines()
copyLarge()
lineIterator()
readFully()
二、org.apache.commons.io.FileUtils
deleteDirectory()
readFileToString()
deleteQuietly()
copyFile()
writeStringToFile()
forceMkdir()
write()
listFiles()
copyDirectory()
forceDelete()
三、org.apache.commons.lang.StringUtils
isBlank()
isNotBlank()
isEmpty()
isNotEmpty()
equals()
join()
split()
EMPTY
trimToNull()
replace()
四、org.apache.http.util.EntityUtils
toString()
consume()
toByteArray()
consumeQuietly()
getContentCharSet()
五、org.apache.commons.lang3.StringUtils
isBlank()
isNotBlank()
isEmpty()
isNotEmpty()
join()
equals()
split()
EMPTY
replace()
capitalize()
六、org.apache.commons.io.FilenameUtils
getExtension()
getBaseName()
getName()
concat()
removeExtension()
normalize()
wildcardMatch()
separatorsToUnix()
getFullPath()
isExtension()
七、org.springframework.util.StringUtils
hasText()
hasLength()
isEmpty()
commaDelimitedListToStringArray()
collectionToDelimitedString()
replace()
delimitedListToStringArray()
uncapitalize()
collectionToCommaDelimitedString()
tokenizeToStringArray()
八、org.apache.commons.lang.ArrayUtils
contains()
addAll()
clone()
isEmpty()
add()
EMPTY_BYTE_ARRAY
subarray()
indexOf()
isEquals()
toObject()
九、org.apache.commons.lang.StringEscapeUtils
escapeHtml()
unescapeHtml()
escapeXml()
escapeSql()
unescapeJava()
escapeJava()
escapeJavaScript()
unescapeXml()
unescapeJavaScript()
十、org.apache.http.client.utils.URLEncodedUtils
format()
parse()
十一、org.apache.commons.codec.digest.DigestUtils
md5Hex()
shaHex()
sha256Hex()
sha1Hex()
sha()
md5()
sha512Hex()
sha1()
十二、org.apache.commons.collections.CollectionUtils
isEmpty()
isNotEmpty()
select()
transform()
filter()
find()
collect()
forAllDo()
addAll()
isEqualCollection()
十三、org.apache.commons.lang3.ArrayUtils
contains()
isEmpty()
isNotEmpty()
add()
clone()
addAll()
subarray()
indexOf()
EMPTY_OBJECT_ARRAY
EMPTY_STRING_ARRAY
十四、org.apache.commons.beanutils.PropertyUtils
getProperty()
setProperty()
getPropertyDescriptors()
isReadable()
copyProperties()
getPropertyDescriptor()
getSimpleProperty()
isWriteable()
setSimpleProperty()
getPropertyType()
十五、org.apache.commons.lang3.StringEscapeUtils
unescapeHtml4()
escapeHtml4()
escapeXml()
unescapeXml()
escapeJava()
escapeEcmaScript()
unescapeJava()
escapeJson()
escapeXml10()
十六、org.apache.commons.beanutils.BeanUtils
copyProperties()
getProperty()
setProperty()
describe()
populate()
copyProperty()
cloneBean()
