StringTools (java-tools 3.1.1 API)

java.lang.Object
- org.apache.commons.lang3.StringUtils
- - com.gitee.cliveyuan.tools.StringTools

public class StringTools
extends org.apache.commons.lang3.StringUtils

字符串工具

Since:: 1.0
Author:: clive Created on 2018/07/23

Field Summary
- Fields inherited from class org.apache.commons.lang3.StringUtils
  CR, EMPTY, INDEX_NOT_FOUND, LF, SPACE

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static String[]`	`between(String value, String start, String end)` Returns an array with strings between start and end.
`static String`	`firstBetween(String value, String start, String end)` Returns first matched string between start and end.
`static String`	`format(String template, Object... params)` 格式化文本, {} 表示占位符此方法只是简单将占位符 {} 按照顺序替换为参数如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可例：通常使用：format("this is {} for {}", "a", "b") -> this is a for b 转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a 转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b
`static boolean`	`hasLength(String str)`
`static boolean`	`hasText(String str)` Check whether the given CharSequence has actual text.
`static String`	`map2CookieStr(Map<String,String> data)` map转cookie字符串如: a=1;b=2;c=3;...
`static String`	`map2QueryStr(Map<String,String> data)` map转查询字符串如: a=1&b=2&c=3&...
`static Map<String,String>`	`queryStr2Map(String query)`
`static Map<String,String>`	`str2Map(String str)` str to map k1:v1\n k2:v2\n
`static String`	`stringToUnicode(String str)` 获取字符串的unicode编码
`static String`	`substring(String str, int start)` 截取字符串
`static String`	`substring(String str, int start, int end)` 截取字符串
`static String`	`substringIfOverflow(String str, int maxLength)` 超出截断
`static String`	`substringLength(String str, int length)` 截取字符串
`static String`	`substringLength(String str, int start, int length)` 截取字符串
`static String`	`trim(String str)` 去空格
`static String`	`unicodeToString(String str)` Unicode转汉字字符串
`static String`	`urlDecode(String text)` URL解码
`static String`	`urlEncode(String text)` URL编码

Methods inherited from class org.apache.commons.lang3.StringUtils
abbreviate, abbreviate, abbreviate, abbreviate, abbreviateMiddle, appendIfMissing, appendIfMissingIgnoreCase, capitalize, center, center, center, chomp, chomp, chop, compare, compare, compareIgnoreCase, compareIgnoreCase, contains, contains, containsAny, containsAny, containsAny, containsIgnoreCase, containsNone, containsNone, containsOnly, containsOnly, containsWhitespace, countMatches, countMatches, defaultIfBlank, defaultIfEmpty, defaultString, defaultString, deleteWhitespace, difference, endsWith, endsWithAny, endsWithIgnoreCase, equals, equalsAny, equalsAnyIgnoreCase, equalsIgnoreCase, getCommonPrefix, getDigits, getFuzzyDistance, getJaroWinklerDistance, getLevenshteinDistance, getLevenshteinDistance, indexOf, indexOf, indexOf, indexOf, indexOfAny, indexOfAny, indexOfAny, indexOfAnyBut, indexOfAnyBut, indexOfDifference, indexOfDifference, indexOfIgnoreCase, indexOfIgnoreCase, isAllBlank, isAllEmpty, isAllLowerCase, isAllUpperCase, isAlpha, isAlphanumeric, isAlphanumericSpace, isAlphaSpace, isAnyBlank, isAnyEmpty, isAsciiPrintable, isBlank, isEmpty, isMixedCase, isNoneBlank, isNoneEmpty, isNotBlank, isNotEmpty, isNumeric, isNumericSpace, isWhitespace, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, join, joinWith, lastIndexOf, lastIndexOf, lastIndexOf, lastIndexOf, lastIndexOfAny, lastIndexOfIgnoreCase, lastIndexOfIgnoreCase, lastOrdinalIndexOf, left, leftPad, leftPad, leftPad, length, lowerCase, lowerCase, mid, normalizeSpace, ordinalIndexOf, overlay, prependIfMissing, prependIfMissingIgnoreCase, remove, remove, removeAll, removeEnd, removeEndIgnoreCase, removeFirst, removeIgnoreCase, removePattern, removeStart, removeStartIgnoreCase, repeat, repeat, repeat, replace, replace, replaceAll, replaceChars, replaceChars, replaceEach, replaceEachRepeatedly, replaceFirst, replaceIgnoreCase, replaceIgnoreCase, replaceOnce, replaceOnceIgnoreCase, replacePattern, reverse, reverseDelimited, right, rightPad, rightPad, rightPad, rotate, split, split, split, split, splitByCharacterType, splitByCharacterTypeCamelCase, splitByWholeSeparator, splitByWholeSeparator, splitByWholeSeparatorPreserveAllTokens, splitByWholeSeparatorPreserveAllTokens, splitPreserveAllTokens, splitPreserveAllTokens, splitPreserveAllTokens, splitPreserveAllTokens, startsWith, startsWithAny, startsWithIgnoreCase, strip, strip, stripAccents, stripAll, stripAll, stripEnd, stripStart, stripToEmpty, stripToNull, substringAfter, substringAfterLast, substringBefore, substringBeforeLast, substringBetween, substringBetween, substringsBetween, swapCase, toCodePoints, toEncodedString, toString, trimToEmpty, trimToNull, truncate, truncate, uncapitalize, unwrap, unwrap, upperCase, upperCase, wrap, wrap, wrapIfMissing, wrapIfMissing

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - hasLength
```
public static boolean hasLength(String str)
```
  - stringToUnicode
```
public static String stringToUnicode(String str)
```
    获取字符串的unicode编码
    
    Parameters:
    
    str - 字符串
    
    Returns:
    
    unicode
  - unicodeToString
```
public static String unicodeToString(String str)
```
    Unicode转汉字字符串
    
    Parameters:
    
    str - unicode
    
    Returns:
    
    字符串
  - hasText
```
public static boolean hasText(String str)
```
    Check whether the given CharSequence has actual text. More specifically, returns true if the string not null, its length is greater than 0, and it contains at least one non-whitespace character.
```
 StringUtils.hasText(null) = false
 StringUtils.hasText("") = false
 StringUtils.hasText(" ") = false
 StringUtils.hasText("12345") = true
 StringUtils.hasText(" 12345 ") = true
 
```
    Parameters:
    
    str - the CharSequence to check (may be null)
    
    Returns:
    
    true if the CharSequence is not null, its length is greater than 0, and it does not contain whitespace only
    
    See Also:
    
    Character.isWhitespace(char)
  - map2QueryStr
```
public static String map2QueryStr(Map<String,String> data)
```
    map转查询字符串如: a=1&b=2&c=3&...
    
    Parameters:
    
    data -
  - queryStr2Map
```
public static Map<String,String> queryStr2Map(String query)
```
  - map2CookieStr
```
public static String map2CookieStr(Map<String,String> data)
```
    map转cookie字符串如: a=1;b=2;c=3;...
    
    Parameters:
    
    data -
  - substringIfOverflow
```
public static String substringIfOverflow(String str,
                                         int maxLength)
```
    超出截断
    
    Parameters:
    
    str - 字符串
    
    maxLength - 最大长度
  - str2Map
```
public static Map<String,String> str2Map(String str)
```
    str to map k1:v1\n k2:v2\n
    
    Parameters:
    
    str -
  - urlEncode
```
public static String urlEncode(String text)
```
    URL编码
    
    Parameters:
    
    text - text
  - urlDecode
```
public static String urlDecode(String text)
```
    URL解码
    
    Parameters:
    
    text - text
  - between
```
public static String[] between(String value,
                               String start,
                               String end)
```
    Returns an array with strings between start and end.
    
    Parameters:
    
    value - input
    
    start - start
    
    end - end
    
    Returns:
    
    Array containing different parts between start and end.
  - firstBetween
```
public static String firstBetween(String value,
                                  String start,
                                  String end)
```
    Returns first matched string between start and end.
    
    Parameters:
    
    value - input
    
    start - start
    
    end - end
  - format
```
public static String format(String template,
                            Object... params)
```
    格式化文本, {} 表示占位符
    此方法只是简单将占位符 {} 按照顺序替换为参数
    如果想输出 {} 使用 \\转义 { 即可，如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可
    例：
    通常使用：format("this is {} for {}", "a", "b") -> this is a for b
    转义{}： format("this is \\{} for {}", "a", "b") -> this is \{} for a
    转义\： format("this is \\\\{} for {}", "a", "b") -> this is \a for b
    
    Parameters:
    
    template - 文本模板，被替换的部分用 {} 表示
    
    params - 参数值
    
    Returns:
    
    格式化后的文本
  - trim
```
public static String trim(String str)
```
    去空格
  - substringLength
```
public static String substringLength(String str,
                                     int length)
```
    截取字符串
    
    Parameters:
    
    str - 字符串
    
    length - 长度
    
    Returns:
    
    结果
  - substringLength
```
public static String substringLength(String str,
                                     int start,
                                     int length)
```
    截取字符串
    
    Parameters:
    
    str - 字符串
    
    start - 开始
    
    length - 长度
    
    Returns:
    
    结果
  - substring
```
public static String substring(String str,
                               int start)
```
    截取字符串
    
    Parameters:
    
    str - 字符串
    
    start - 开始
    
    Returns:
    
    结果
  - substring
```
public static String substring(String str,
                               int start,
                               int end)
```
    截取字符串
    
    Parameters:
    
    str - 字符串
    
    start - 开始
    
    end - 结束
    
    Returns:
    
    结果

Class StringTools

Field Summary

Fields inherited from class org.apache.commons.lang3.StringUtils

Method Summary

Methods inherited from class org.apache.commons.lang3.StringUtils

Methods inherited from class java.lang.Object

Method Detail

hasLength

stringToUnicode

unicodeToString

hasText

map2QueryStr

queryStr2Map

map2CookieStr

substringIfOverflow

str2Map

urlEncode

urlDecode

between

firstBetween

format

trim

substringLength

substringLength

substring

substring