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add methods

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Looly
2021-03-26 21:50:21 +08:00
parent 6a8e5d8b6c
commit 2484c82584
8 changed files with 163 additions and 172 deletions
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100
hutool-core/src/main/java/cn/hutool/core/text/SpecialSymbolUtil.java
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@@ -1,100 +0,0 @@
package cn.hutool.core.text;
import java.math.BigInteger;
/**
* 符号工具类
* @author dazer & neusoft
* @date 2021/3/26 12:21
* 别名：Symbol or special signal or Special symbols
* 说明：获取常见的特殊符号，如：带圈数字、
*
* {@link UnicodeUtil}
* @link 百度百科 https://baike.baidu.com/item/%E7%89%B9%E6%AE%8A%E5%AD%97%E7%AC%A6/112715?fr=aladdin
* @link 360百科 https://baike.so.com/doc/5408938-5646935.html
* @link 百科 https://www.baike.com/wikiid/3469869303298461399?prd=home_search&search_id=5bm572esa2k000&view_id=1takcxx7kjc000
* @link coolsymbol https://coolsymbol.com/
* @link 维基百科wikipedia https://en.wikipedia.org/wiki/List_of_Unicode_characters#Unicode_symbols
*
* @since 5.6.2
*/
public class SpecialSymbolUtil {
public static final String UNICODE_START_CHAR = "\\u";
private SpecialSymbolUtil(){}
/**
* 获取带圈数字 /封闭式字母数字 ，从1-20,超过1-20报错
*
* 0 1 2 3 4 5 6 7 8 9 A B C D E F
* U+246x ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮ ⑯
* U+247x ⑰ ⑱ ⑲ ⑳ ⑴ ⑵ ⑶ ⑷ ⑸ ⑹ ⑺ ⑻ ⑼ ⑽ ⑾ ⑿
* U+248x ⒀ ⒁ ⒂ ⒃ ⒄ ⒅ ⒆ ⒇ ⒈ ⒉ ⒊ ⒋ ⒌ ⒍ ⒎ ⒏
* U+249x ⒐ ⒑ ⒒ ⒓ ⒔ ⒕ ⒖ ⒗ ⒘ ⒙ ⒚ ⒛ ⒜ ⒝ ⒞ ⒟
* U+24Ax ⒠ ⒡ ⒢ ⒣ ⒤ ⒥ ⒦ ⒧ ⒨ ⒩ ⒪ ⒫ ⒬ ⒭ ⒮ ⒯
* U+24Bx ⒰ ⒱ ⒲ ⒳ ⒴ ⒵ Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ
* U+24Cx Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ
* U+24Dx ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ
* U+24Ex ⓠ ⓡ ⓢ ⓣ ⓤ ⓥ ⓦ ⓧ ⓨ ⓩ ⓪ ⓫ ⓬ ⓭ ⓮ ⓯
* U+24Fx ⓰ ⓱ ⓲ ⓳ ⓴ ⓵ ⓶ ⓷ ⓸ ⓹ ⓺ ⓻ ⓼ ⓽ ⓾ ⓿
* @link Unicode_symbols https://en.wikipedia.org/wiki/List_of_Unicode_characters#Unicode_symbols
* @link Enclosed Alphanumerics https://en.wikipedia.org/wiki/Enclosed_Alphanumerics
*
* <code>
* System.out.println(enclosedAlphanumericsStyle1ByInt(1));
* System.out.println(enclosedAlphanumericsStyle1ByInt(2));
* System.out.println(enclosedAlphanumericsStyle1ByInt(3));
* System.out.println(enclosedAlphanumericsStyle1ByInt(4));
* System.out.println(enclosedAlphanumericsStyle1ByInt(14));
* System.out.println(enclosedAlphanumericsStyle1ByInt(18));
* System.out.println(enclosedAlphanumericsStyle1ByInt(19));
* System.out.println(enclosedAlphanumericsStyle1ByInt(20));
* </code>
*
* @param number 十进制数字，从1、-->10、11--->20
* @return ①②③④⑤⑥⑦⑧⑩⑪⑫⑬⑭⑮⑯⑰⑱⑲⑳
*/
public static String enclosedNumericsByInt(int number) {
if (number <= 0 || number > 20) {
throw new IllegalArgumentException("number取值范围是[1-20]的正整数,包含1和20");
}
String start = "①";
String unicodeStart = UnicodeUtil.toUnicode(start).substring(UNICODE_START_CHAR.length(),
UnicodeUtil.toUnicode(start).length() - 1);
// begin: U+246x的24
String beginHex = unicodeStart.substring(0, 2);
// U+246x的6
String middleHex = number >= 17 ? "7" : "6";
// A
String endHex = Integer.toHexString(number >= 17 ? number - 17 : number - 1);
// U + 24 + 60
String unicodeStr = UNICODE_START_CHAR + beginHex + middleHex + endHex;
return UnicodeUtil.toString(unicodeStr);
}
/**
* 获取带圈字母 /封闭式字母 ，从a-z or A-Z
* 根据字符 获取 Ⓐ Ⓑ Ⓒ Ⓓ Ⓔ Ⓕ Ⓖ Ⓗ Ⓘ Ⓙ Ⓚ Ⓛ Ⓜ Ⓝ Ⓞ Ⓟ Ⓠ Ⓡ Ⓢ Ⓣ Ⓤ Ⓥ Ⓦ Ⓧ Ⓨ Ⓩ ⓐ ⓑ ⓒ ⓓ ⓔ ⓕ ⓖ ⓗ ⓘ ⓙ ⓚ ⓛ ⓜ ⓝ ⓞ ⓟ ⓠ ⓡ ⓢ ⓣ ⓤ ⓥ ⓦ ⓧ ⓨ ⓩ
* <code>
* System.out.println(encloseAlphabetByChar( 'A'));
* System.out.println(encloseAlphabetByChar( 'a'));
* System.out.println(encloseAlphabetByChar( 'z'));
* System.out.println(encloseAlphabetByChar( 'Z'))
* </code>
* @author dazer
* @param letter 字母，不区分大小写，'a'、'b'、'c'、'd'...'x'、'y'、'z'; 'A'、'B'...'Z'
* @date 2021/3/26 18:10
*/
public static String encloseAlphabetByChar(char letter) {
if (!(letter >= 'a' && letter <= 'z' || letter >= 'A' && letter <= 'Z')) {
throw new IllegalArgumentException("number取值范围是[a-z]、[A-Z]的字符");
}
// \u24b6
String start = "Ⓐ";
String hexStr = UnicodeUtil.toUnicode(start).substring(UNICODE_START_CHAR.length());
int difference = letter >= 'a' && letter <= 'z' ? (letter - (int)'a') : (letter - (int)'A');
String hex = new BigInteger(hexStr, 16).add(new BigInteger(String.valueOf(difference), 10)).toString(16);
//
String unicodeStr = UNICODE_START_CHAR + hex;
return UnicodeUtil.toString(unicodeStr);
}
}

24
hutool-core/src/main/java/cn/hutool/core/text/UnicodeUtil.java
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@@ -54,6 +54,30 @@ public class UnicodeUtil {
return sb.toString();
}
/**
* 字符编码为Unicode形式
*
* @param c 被编码的字符
* @return Unicode字符串
* @since 5.6.2
* @see HexUtil#toUnicodeHex(char)
*/
public static String toUnicode(char c) {
return HexUtil.toUnicodeHex(c);
}
/**
* 字符编码为Unicode形式
*
* @param c 被编码的字符
* @return Unicode字符串
* @since 5.6.2
* @see HexUtil#toUnicodeHex(int)
*/
public static String toUnicode(int c) {
return HexUtil.toUnicodeHex(c);
}
/**
* 字符串编码为Unicode形式
*

43
hutool-core/src/main/java/cn/hutool/core/util/CharUtil.java
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@@ -366,4 +366,47 @@ public class CharUtil {
public static int digit16(int b) {
return Character.digit(b, 16);
}
/**
* 将字母、数字转换为带圈的字符：
* <pre>
* '1' -》 '①'
* 'A' -》 'Ⓐ'
* 'a' -》 'ⓐ'
* </pre>
*
* @param c 被转换的字符，如果字符不支持转换，返回原字符
* @return 转换后的字符
* @since 5.6.2
*/
public static char toCloseChar(char c){
int result = c;
if(c >='1' && c <= '9'){
result = '①' + c - '1';
} else if(c >='A' && c <= 'Z'){
result = 'Ⓐ' + c - 'A';
} else if(c >='a' && c <= 'z'){
result = 'ⓐ' + c - 'a';
}
return (char) result;
}
/**
* 将[1-20]数字转换为带圈的字符：
* <pre>
* 1 -》 '①'
* 12 -》 '⑫'
* 20 -》 '⑳'
* </pre>
*
* @param number 被转换的数字
* @return 转换后的字符
* @since 5.6.2
*/
public static char toCloseByNumber(int number){
if(number > 20){
throw new IllegalArgumentException("Number must be [1-20]");
}
return (char) ('①' + number - 1);
}
}

4
hutool-core/src/main/java/cn/hutool/core/util/HexUtil.java
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@@ -262,7 +262,7 @@ public class HexUtil {
* 转换的字符串如果u后不足4位，则前面用0填充，例如：
*
* <pre>
* '我' =》\u4f60
* '你' =》\u4f60
* </pre>
*
* @param value int值，也可以是char
@@ -287,7 +287,7 @@ public class HexUtil {
* 转换的字符串如果u后不足4位，则前面用0填充，例如：
*
* <pre>
* '我' =》\u4f60
* '你' =》'\u4f60'
* </pre>
*
* @param ch char值

20
hutool-core/src/test/java/cn/hutool/core/util/CharUtilTest.java
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@@ -4,7 +4,7 @@ import org.junit.Assert;
import org.junit.Test;
public class CharUtilTest {
@Test
public void trimTest() {
//此字符串中的第一个字符为不可见字符: '\u202a'
@@ -12,13 +12,13 @@ public class CharUtilTest {
Assert.assertEquals('\u202a', str.charAt(0));
Assert.assertTrue(CharUtil.isBlankChar(str.charAt(0)));
}
@Test
public void isEmojiTest() {
String a = "莉🌹";
Assert.assertFalse(CharUtil.isEmoji(a.charAt(0)));
Assert.assertTrue(CharUtil.isEmoji(a.charAt(1)));
}
@Test
@@ -38,4 +38,18 @@ public class CharUtilTest {
char a3 = '\u3000';
Assert.assertTrue(CharUtil.isBlankChar(a3));
}
@Test
public void toCloseCharTest(){
Assert.assertEquals('②', CharUtil.toCloseChar('2'));
Assert.assertEquals('Ⓜ', CharUtil.toCloseChar('M'));
Assert.assertEquals('ⓡ', CharUtil.toCloseChar('r'));
}
@Test
public void toCloseByNumberTest(){
Assert.assertEquals('②', CharUtil.toCloseByNumber(2));
Assert.assertEquals('⑫', CharUtil.toCloseByNumber(12));
Assert.assertEquals('⑳', CharUtil.toCloseByNumber(20));
}
}

12
hutool-core/src/test/java/cn/hutool/core/util/HexUtilTest.java
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@@ -9,26 +9,26 @@ import org.junit.Test;
*
*/
public class HexUtilTest {
@Test
public void hexStrTest(){
String str = "我是一个字符串";
String hex = HexUtil.encodeHexStr(str, CharsetUtil.CHARSET_UTF_8);
String decodedStr = HexUtil.decodeHexStr(hex);
Assert.assertEquals(str, decodedStr);
}
@Test
public void toUnicodeHexTest() {
String unicodeHex = HexUtil.toUnicodeHex('\u2001');
Assert.assertEquals("\\u2001", unicodeHex);
unicodeHex = HexUtil.toUnicodeHex('你');
Assert.assertEquals("\\u4f60", unicodeHex);
}
@Test
public void isHexNumberTest() {
String a = "0x3544534F444";