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✨ 完善工具类

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This commit is contained in:
卢春梦 2024-04-24 12:08:34 +08:00
parent e2dceaef0f
commit 7c25bf2870
3 changed files with 87 additions and 7 deletions
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33
blade-core-tool/src/main/java/org/springblade/core/tool/utils/NumberUtil.java
View File

@ -172,7 +172,7 @@ public class NumberUtil extends org.springframework.util.NumberUtils {
/**
* All possible chars for representing a number as a String
*/
private final static char[] DIGITS = {
protected final static byte[] DIGITS = {
'0', '1', '2', '3', '4', '5',
'6', '7', '8', '9', 'a', 'b',
'c', 'd', 'e', 'f', 'g', 'h',
@ -194,7 +194,7 @@ public class NumberUtil extends org.springframework.util.NumberUtils {
*/
public static String to62String(long i) {
int radix = DIGITS.length;
char[] buf = new char[65];
byte[] buf = new byte[65];
int charPos = 64;
i = -i;
while (i <= -radix) {
@ -202,8 +202,35 @@ public class NumberUtil extends org.springframework.util.NumberUtils {
i = i / radix;
}
buf[charPos] = DIGITS[(int) (-i)];
return new String(buf, charPos, (65 - charPos));
}
/**
* 将 62 进制字符串转为数字
*
* @param s 字符串
* @return 数字
*/
public static long form62String(String s) {
char[] chars = s.toCharArray();
char c;
int idx;
long res = 0;
int len = chars.length;
int lenIdx = len - 1;
for (int i = 0; i < len; i++) {
c = chars[i];
// 将字符转换为对应的数字
if (c >= 'A' && c <= 'Z') {
idx = c - 29;
} else if (c >= 'a' && c <= 'z') {
idx = c - 87;
} else {
idx = c - 48;
}
res += (long) (idx * StrictMath.pow(62, lenIdx - i));
}
return res;
}
}

57
blade-core-tool/src/main/java/org/springblade/core/tool/utils/StringUtil.java
View File

@ -24,6 +24,7 @@ import org.springframework.web.util.HtmlUtils;
import java.io.StringReader;
import java.io.StringWriter;
import java.nio.charset.StandardCharsets;
import java.text.MessageFormat;
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
@ -181,8 +182,59 @@ public class StringUtil extends org.springframework.util.StringUtils {
* @return UUID
*/
public static String randomUUID() {
ThreadLocalRandom random = ThreadLocalRandom.current();
return new UUID(random.nextLong(), random.nextLong()).toString().replace(StringPool.DASH, StringPool.EMPTY);
return getId(ThreadLocalRandom.current(), 32, 16);
}
/**
* 获取一个快速生成的随机 id，包含数字，大小写，同长度比 uuid 冲突概率更小得多
*
* @param len 为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
* @return id 字符串
*/
public static String getFastId(int len) {
return getId(ThreadLocalRandom.current(), len, 62);
}
/**
* 获取一个安全的随机 id，包含数字，大小写，同长度比 uuid 冲突概率更小得多
*
* @param len 为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
* @return id 字符串
*/
public static String getSafeId(int len) {
return getId(Holder.SECURE_RANDOM, len, 62);
}
/**
* 获取一个生成的随机 id，同长度比 uuid 冲突概率更小得多
*
* @param random Random
* @param len 为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
* @return id 字符串
*/
public static String getId(Random random, int len) {
return getId(random, len, 62);
}
/**
* 获取一个生成的随机 id，同长度比 uuid 冲突概率更小得多
*
* @param random Random
* @param len 为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。
* @param radix radix，36 包含字母和数字，62 包含大写字母
* @return id 字符串
*/
public static String getId(Random random, int len, int radix) {
if (len < 8) {
throw new IllegalArgumentException("为了减少冲突，len 需要大于7，实际尽量设置在10~16或以上。");
}
byte[] randomBytes = new byte[len];
random.nextBytes(randomBytes);
int mask = radix - 1;
for (int i = 0; i < len; i++) {
randomBytes[i] = NumberUtil.DIGITS[(randomBytes[i] & 0xff) & mask];
}
return new String(randomBytes, StandardCharsets.ISO_8859_1);
}
/**
@ -1444,7 +1496,6 @@ public class StringUtil extends org.springframework.util.StringUtils {
}
/**
* 首字母变小写
*

4
blade-core-tool/src/main/java/org/springblade/core/tool/utils/UrlUtil.java
View File

@ -15,6 +15,8 @@
*/
package org.springblade.core.tool.utils;
import org.springframework.util.StringUtils;
import java.net.URI;
import java.net.URISyntaxException;
import java.nio.charset.Charset;
@ -45,7 +47,7 @@ public class UrlUtil extends org.springframework.web.util.UriUtils {
* @return 解码url
*/
public static String decodeURL(String source, Charset charset) {
return UrlUtil.decode(source, charset.name());
return StringUtils.uriDecode(source, charset);
}
/**