java中常用的16个工具类

2024-08-29 11:30:56

1. org.apache.commons.io.IOUtils：处理io流的相关操作

closeQuietly ( )
toString ( )
copy ( )
toByteArray ( )
write ( )
toInputStream ( )
readLines ( )
copyLarge ( )
lineIterator ( )
readFully ( )

2. org.apache.commons.io.FileUtils：处理文件的相关操作

deleteDirectory ( )
readFileToString ( )
deleteQuietly ( )
copyFile ( )
writeStringToFile ( )
forceMkdir ( )
write ( )
listFiles ( )
copyDirectory ( )
forceDelete ( )

3. org.apache.commons.lang.StringUtils：处理字符串的相关操作

isBlank ( )
isNotBlank ( )
isEmpty ( )
isNotEmpty ( )
equals ( )
join ( )
split ( )
EMPTY
trimToNull ( )
replace ( )

4. org.apache.http.util.EntityUtils：处理HttpEntity类的静态方法

toString ( )
consume ( )
toByteArray ( )
consumeQuietly ( )
getContentCharSet ( )

5. org.apache.commons.lang3.StringUtils：处理字符串的相关方法

isBlank ( )
isNotBlank ( )
isEmpty ( )
isNotEmpty ( )
join ( )
equals ( )
split ( )
EMPTY
replace ( )
capitalize ( )

6. org.apache.commons.io.FilenameUtils：处理文件名的相关方法

getExtension ( )
getBaseName ( )
getName ( )
concat ( )
removeExtension ( )
normalize ( )
wildcardMatch ( )
separatorsToUnix ( )
getFullPath ( )
isExtension ( )

7. org.springframework.util.StringUtils：处理字符串的方法

hasText ( )
hasLength ( )
isEmpty ( )
commaDelimitedListToStringArray ( )
collectionToDelimitedString ( )
replace ( )
delimitedListToStringArray ( )
uncapitalize ( )
collectionToCommaDelimitedString ( )
tokenizeToStringArray ( )

8. org.apache.commons.lang.ArrayUtils：处理数组的方法

contains ( )
addAll ( )
clone ( )
isEmpty ( )
add ( )
EMPTY_BYTE_ARRAY
subarray ( )
indexOf ( )
isEquals ( )
toObject ( )

9. org.apache.commons.lang.StringEscapeUtils：处理字符串的方法

escapeHtml ( )
unescapeHtml ( )
escapeXml ( )
escapeSql ( )
unescapeJava ( )
escapeJava ( )
escapeJavaScript ( )
unescapeXml ( )
unescapeJavaScript ( )

10. org.apache.http.client.utils.URLEncodedUtils：处理url的方法

format ( )
parse ( )

11. org.apache.commons.codec.digest.DigestUtils：消息加密工具方法，消息可以是字符串，io流，字节数组

md5Hex ( )
shaHex ( )
sha256Hex ( )
sha1Hex ( )
sha ( )
md5 ( )
sha512Hex ( )
sha1 ( )

12. org.apache.commons.collections.CollectionUtils：集合操作方法

isEmpty ( )
isNotEmpty ( )
select ( )
transform ( )
filter ( )
find ( )
collect ( )
forAllDo ( )
addAll ( )
isEqualCollection ( )

13. org.apache.commons.lang3.ArrayUtils：数组操作方法

contains ( )
isEmpty ( )
isNotEmpty ( )
add ( )
clone ( )
addAll ( )
subarray ( )
indexOf ( )
EMPTY_OBJECT_ARRAY
EMPTY_STRING_ARRAY

14. org.apache.commons.beanutils.PropertyUtils：java bean操作方法

getProperty ( )
setProperty ( )
getPropertyDescriptors ( )
isReadable ( )
copyProperties ( )
getPropertyDescriptor ( )
getSimpleProperty ( )
isWriteable ( )
setSimpleProperty ( )
getPropertyType ( )

15. org.apache.commons.lang3.StringEscapeUtils：字符串转义方法

unescapeHtml4 ( )
escapeHtml4 ( )
escapeXml ( )
unescapeXml ( )
escapeJava ( )
escapeEcmaScript ( )
unescapeJava ( )
escapeJson ( )
escapeXml10 ( )

16. org.apache.commons.beanutils.BeanUtils：java bean操作方法

copyProperties ( )
getProperty ( )
setProperty ( )
describe ( )
populate ( )
copyProperty ( )
cloneBean ( )

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