1 package com.zhouyy.core.utils;
2
3 import org.apache.commons.lang3.RandomStringUtils;
4 import org.apache.commons.lang3.StringEscapeUtils;
5
6 import java.io.UnsupportedEncodingException;
7 import java.math.BigDecimal;
8 import java.net.URLDecoder;
9 import java.nio.charset.Charset;
10 import java.util.*;
11 import java.util.regex.Matcher;
12 import java.util.regex.Pattern;
13
14
15 /**
16 * 字符串工具类, 继承org.apache.commons.lang3.StringUtils类
17 *
18 * @author zhouyy
19 */
20 public class StringUtils extends org.apache.commons.lang3.StringUtils {
21
22 /**
23 * 首字母变小写
24 *
25 * @param str 字符串
26 * @return 首字母为小写的字符串
27 */
28 public static String firstCharToLowerCase(String str) {
29 char firstChar = str.charAt(0);
30 if (firstChar >= 'A' && firstChar <= 'Z') {
31 char[] arr = str.toCharArray();
32 arr[0] += ('a' - 'A');
33 return new String(arr);
34 }
35 return str;
36 }
37
38 /**
39 * 首字母变大写
40 *
41 * @param str 字符串
42 * @return 首字母为大写的字符串
43 */
44 public static String firstCharToUpperCase(String str) {
45 char firstChar = str.charAt(0);
46 if (firstChar >= 'a' && firstChar <= 'z') {
47 char[] arr = str.toCharArray();
48 arr[0] -= ('a' - 'A');
49 return new String(arr);
50 }
51 return str;
52 }
53
54 /**
55 * 字符串去除回车键
56 *
57 * @param str 字符串
58 * @return 去除回车键后的字符串
59 */
60 public static String replaceEnter(String str) {
61 return str.replace("\n", "");
62 }
63
64 /**
65 * 获取UUID
66 *
67 * @return UUID
68 */
69 public static String getUUId() {
70 return UUID.randomUUID().toString().replace("-", "");
71 }
72
73 /**
74 * 替换掉HTML标签方法
75 *
76 * @param html 字符串
77 * @return 替换掉HTML标签后的字符串
78 */
79 public static String replaceHtml(String html) {
80 if (isBlank(html)) {
81 return "";
82 }
83 String regEx = "<.+?>";
84 Pattern p = Pattern.compile(regEx);
85 Matcher m = p.matcher(html);
86 String s = m.replaceAll("");
87 return s;
88 }
89
90 /**
91 * 缩略字符串（不区分中英文字符）
92 *
93 * @param str 目标字符串
94 * @param length 截取长度
95 * @return 缩略字符串
96 */
97 public static String abbr(String str, int length) {
98 if (str == null) {
99 return "";
100 }
101 try {
102 StringBuilder sb = new StringBuilder();
103 int currentLength = 0;
104 for (char c : replaceHtml(StringEscapeUtils.unescapeHtml4(str)).toCharArray()) {
105 currentLength += String.valueOf(c).getBytes("GBK").length;
106 if (currentLength <= length - 3) {
107 sb.append(c);
108 } else {
109 sb.append("...");
110 break;
111 }
112 }
113 return sb.toString();
114 } catch (UnsupportedEncodingException e) {
115 e.printStackTrace();
116 }
117 return "";
118 }
119
120
121 /**
122 * 自定义的分隔字符串函数 例如: 1,2,3 =>[1,2,3] 3个元素 ,2,3=>[,2,3] 3个元素 ,2,3,=>[,2,3,] 4个元素 ,,,=>[,,,] 4个元素
123 * <p>
124 * 5.22算法修改，为提高速度不用正则表达式 两个间隔符,,返回""元素
125 *
126 * @param split 分割字符 默认,
127 * @param src 输入字符串
128 * @return 分隔后的list
129 */
130 public static List<String> splitToList(String split, String src) {
131 // 默认,
132 String sp = ",";
133 if (split != null && split.length() == 1) {
134 sp = split;
135 }
136 List<String> r = new ArrayList<String>();
137 int lastIndex = -1;
138 int index = src.indexOf(sp);
139 if (-1 == index && src != null) {
140 r.add(src);
141 return r;
142 }
143 while (index >= 0) {
144 if (index > lastIndex) {
145 r.add(src.substring(lastIndex + 1, index));
146 } else {
147 r.add("");
148 }
149
150 lastIndex = index;
151 index = src.indexOf(sp, index + 1);
152 if (index == -1) {
153 r.add(src.substring(lastIndex + 1, src.length()));
154 }
155 }
156 return r;
157 }
158
159 /**
160 * 判断两个字符串是否相等 如果都为null则判断为相等,一个为null另一个not null则判断不相等 否则如果s1=s2则相等
161 *
162 * @param a 比较对象A
163 * @param b 比较对象B
164 * @return Boolean
165 */
166 public static boolean equals(String a, String b) {
167 return a == null ? b == null : a.equals(b);
168 }
169
170
171 /**
172 * 随即生成指定位数的含验证码字符串
173 *
174 * @param bit 指定生成验证码位数
175 * @return 指定位数的含验证码字符串
176 * @since 2007-5-9
177 */
178 public static String random(int bit) {
179 if (bit == 0)
180 bit = 6; // 默认6位
181 // 因为o和0,l和1很难区分,所以,去掉大小写的o和l
182 String str = "";
183 str = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijkmnpqrstuvwxyz";// 初始化种子
184 return RandomStringUtils.random(bit, str);// 返回6位的字符串
185 }
186
187
188 /**
189 * 页面中去除字符串中的空格、回车、换行符、制表符
190 *
191 * @param str 字符串
192 * @return String
193 * @since 2007-08-17
194 */
195 public static String replaceBlank(String str) {
196 if (str != null) {
197 Pattern p = Pattern.compile("\\s*|\t|\r|\n");
198 Matcher m = p.matcher(str);
199 str = m.replaceAll("");
200 }
201 return str;
202 }
203
204
205 /**
206 * 泛型方法(通用)，把list转换成以“,”相隔的字符串 调用时注意类型初始化（申明类型）
207 * <p>
208 * 如：List<Integer> intList = new ArrayList<Integer>(); 调用方法：StringUtils.listTtoString(intList);
209 * <p>
210 * 效率：list中4条信息，1000000次调用时间为850ms左右
211 *
212 * @param <T> 泛型
213 * @param list list列表
214 * @return 以“,”相隔的字符串
215 * @serialData 2008-01-09
216 */
217 public static <T> String listTtoString(List<T> list) {
218 if (list == null || list.size() < 1) {
219 return "";
220 }
221 Iterator<T> i = list.iterator();
222 if (!i.hasNext()) {
223 return "";
224 }
225 StringBuilder sb = new StringBuilder();
226 for (; ; ) {
227 T e = i.next();
228 sb.append(e);
229 if (!i.hasNext()) {
230 return sb.toString();
231 }
232 sb.append(",");
233 }
234 }
235
236
237 /**
238 * 判断文字内容重复
239 *
240 * @param content 文本内容
241 * @return 是否重复
242 */
243 public static boolean isContentRepeat(String content) {
244 int similarNum = 0;
245 int forNum = 0;
246 int subNum = 0;
247 int thousandNum = 0;
248 String startStr = "";
249 String nextStr = "";
250 boolean result = false;
251 float endNum = (float) 0.0;
252 if (content != null && content.length() > 0) {
253 if (content.length() % 1000 > 0) {
254 thousandNum = (int) Math.floor(content.length() / 1000) + 1;
255 } else {
256 thousandNum = (int) Math.floor(content.length() / 1000);
257 }
258 if (thousandNum < 3) {
259 subNum = 100 * thousandNum;
260 } else if (thousandNum < 6) {
261 subNum = 200 * thousandNum;
262 } else if (thousandNum < 9) {
263 subNum = 300 * thousandNum;
264 } else {
265 subNum = 3000;
266 }
267 for (int j = 1; j < subNum; j++) {
268 if (content.length() % j > 0) {
269 forNum = (int) Math.floor(content.length() / j) + 1;
270 } else {
271 forNum = (int) Math.floor(content.length() / j);
272 }
273 if (result || j >= content.length()) {
274 break;
275 } else {
276 for (int m = 0; m < forNum; m++) {
277 if (m * j > content.length() || (m + 1) * j > content.length() || (m + 2) * j > content.length()) {
278 break;
279 }
280 startStr = content.substring(m * j, (m + 1) * j);
281 nextStr = content.substring((m + 1) * j, (m + 2) * j);
282 if (startStr.equals(nextStr)) {
283 similarNum = similarNum + 1;
284 endNum = (float) similarNum / forNum;
285 if (endNum > 0.4) {
286 result = true;
287 break;
288 }
289 } else {
290 similarNum = 0;
291 }
292 }
293 }
294 }
295 }
296 return result;
297 }
298
299 /**
300 * 判断是否是空字符串 null和"" null返回result,否则返回字符串
301 *
302 * @param s 判断字符串
303 * @param result 备用字符串
304 * @return 判断字符串为空则然后备用字符串, 否则返回字符串
305 */
306 public static String isEmpty(String s, String result) {
307 if (s != null && !"".equals(s)) {
308 return s;
309 }
310 return result;
311 }
312
313 /**
314 * 判断对象是否为空
315 *
316 * @param str 对象
317 * @return 是否为空
318 */
319 public static boolean isNotEmpty(Object str) {
320 boolean flag = false;
321 if (str != null && !"".equals(str)) {
322 if (str.toString().trim().length() > 0) {
323 flag = true;
324 }
325 } else {
326 flag = false;
327 }
328 return flag;
329 }
330
331 /**
332 * 判断字符串数据是否为空
333 *
334 * @param strArr 字符串数组
335 * @return 是否为空
336 */
337 public static boolean isEmpty(String[] strArr) {
338 return !isNotEmpty(strArr);
339 }
340
341 /**
342 * 判断字符串数据是否不为空
343 *
344 * @param strArr 字符串
345 * @return 是否不为空
346 */
347 public static boolean isNotEmpty(String[] strArr) {
348 boolean flag = true;
349 if (strArr == null || strArr.length == 0) {
350 return false;
351 }
352 for (String str : strArr) {
353 if (!isNotEmpty(str)) {
354 return false;
355 }
356 }
357 return flag;
358 }
359
360
361 private static String getProperty(String property) {
362 if (property.contains("_")) {
363 return property.replaceAll("_", "\\.");
364 }
365 return property;
366 }
367
368 /**
369 * 解析前台encodeURIComponent编码后的参数
370 *
371 * @param property 解析字符串
372 * @return String
373 */
374 public static String getEncodePra(String property) {
375 String trem = "";
376 if (isNotEmpty(property)) {
377 try {
378 trem = URLDecoder.decode(property, "UTF-8");
379 } catch (UnsupportedEncodingException e) {
380 e.printStackTrace();
381 }
382 }
383 return trem;
384 }
385
386 /**
387 * 解析前台参数乱码问题，把ISO8895－1编码解析为UTF－8
388 *
389 * @param str 解析字符串
390 * @return String 解析后的字符串
391 */
392 public static String getUtf8String(String str) {
393 if (str != null && str.length() > 0) {
394 String needEncodeCode = "ISO-8859-1";
395 try {
396 if (Charset.forName(needEncodeCode).newEncoder().canEncode(str)) {//这个方法是关键，可以判断乱码字符串是否为指定的编码
397 str = new String(str.getBytes(needEncodeCode), "UTF-8");
398 }
399 } catch (UnsupportedEncodingException e) {
400 e.printStackTrace();
401 }
402 }
403 return str;
404 }
405
406 /**
407 * 判断一个字符串是否都为数字
408 *
409 * @param strNum 数字字符串
410 * @return 是否都为数字
411 */
412 public boolean isDigit(String strNum) {
413 Pattern pattern = Pattern.compile("[0-9]{1,}");
414 Matcher matcher = pattern.matcher((CharSequence) strNum);
415 return matcher.matches();
416 }
417
418 /**
419 * 截取数字
420 *
421 * @param content 字符串
422 * @return 截取后的数字
423 */
424 public String getNumbers(String content) {
425 Pattern pattern = Pattern.compile("\\d+");
426 Matcher matcher = pattern.matcher(content);
427 while (matcher.find()) {
428 return matcher.group(0);
429 }
430 return "";
431 }
432
433 /**
434 * 截取非数字
435 *
436 * @param content 字符串
437 * @return 截取后的非数字
438 */
439 public String splitNotNumber(String content) {
440 Pattern pattern = Pattern.compile("\\D+");
441 Matcher matcher = pattern.matcher(content);
442 while (matcher.find()) {
443 return matcher.group(0);
444 }
445 return "";
446 }
447
448 /**
449 * 判断某个字符串是否存在于数组中
450 *
451 * @param stringArray 原数组
452 * @param source 查找的字符串
453 * @return 是否找到
454 */
455 public static boolean contains(String[] stringArray, String source) {
456 // 转换为list
457 List<String> tempList = Arrays.asList(stringArray);
458
459 // 利用list的包含方法,进行判断
460 if (tempList.contains(source)) {
461 return true;
462 } else {
463 return false;
464 }
465 }
466
467 /**
468 * 中文日期转换
469 *
470 * @param num 传yyy或MM或dd
471 * @return 转换后字符串
472 */
473 public static String chineseYMD(String num) {
474 String[] chinese = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
475 int slen = num.length();
476 String result = "";
477 if (slen > 2) {
478 for (int i = 0; i < slen; i++) {
479 int numInt = Integer.parseInt(num.substring(i, i + 1));
480 result += chinese[numInt];
481 }
482 } else {
483 int numInt = Integer.parseInt(num);
484 if (numInt < 10) {
485 result = "零" + chinese[numInt];
486 } else {
487 for (int i = 0; i < slen; i++) {
488 int num1 = Integer.parseInt(num.substring(i, i + 1));
489 if (i == 0) {
490 result += chinese[num1] + "拾";
491 } else if (num1 != 0) {
492 result += chinese[num1];
493 }
494 }
495 }
496 if (numInt == 10 || numInt == 20 || numInt == 30) {
497 result = "零" + result;
498 }
499 }
500 return result;
501 }
502
503 /**
504 * 数字金额转换
505 *
506 * @param num 金额信息
507 * @return 转换后字符串
508 */
509 public static String numToChinese(String num) {
510 String[] chinese = {"零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"};
511 int slen = num.length();
512 String result = "";
513 for (int i = 0; i < slen; i++) {
514 int numInt = Integer.parseInt(num.substring(i, i + 1));
515 result += chinese[numInt];
516 }
517 return result;
518 }
519
520 /**
521 * 中文金额
522 *
523 * @param smallMoney 金额
524 * @return 中文金额
525 */
526 public static String chineseMoney(BigDecimal smallMoney) {
527 if (smallMoney == null) {
528 smallMoney = BigDecimal.ZERO;
529 }
530 return chineseMoney(smallMoney.doubleValue());
531 }
532
533 /**
534 * 中文金额
535 *
536 * @param smallMoney 金额
537 * @return 中文金额
538 */
539 public static String chineseMoney(double smallMoney) {
540 String value = String.valueOf(smallMoney);
541 if (null == value || "".equals(value.trim()) || smallMoney == 0) {
542 return "零";
543 }
544
545 // String strCheck,strArr,strFen,strDW,strNum,strBig,strNow;
546 String strCheck, strFen, strDW, strNum, strBig, strNow;
547
548 strCheck = value + ".";
549 int dot = strCheck.indexOf(".");
550 if (dot > 12) {
551 return "数据" + value + "过大，无法处理！";
552 }
553
554 try {
555 int i = 0;
556 strBig = "";
557 strDW = "";
558 strNum = "";
559 if (smallMoney < 0) {
560 smallMoney = smallMoney * -1;
561 }
562 double dFen = smallMoney * 100;
563 // strFen = String.valueOf(intFen);
564 strFen = NumberUtil.formatNumeric(dFen, "###0");
565 int lenIntFen = strFen.length();
566 while (lenIntFen != 0) {
567 i++;
568 switch (i) {
569 case 1:
570 strDW = "分";
571 break;
572 case 2:
573 strDW = "角";
574 break;
575 case 3:
576 strDW = "元";
577 break;
578 case 4:
579 strDW = "拾";
580 break;
581 case 5:
582 strDW = "佰";
583 break;
584 case 6:
585 strDW = "仟";
586 break;
587 case 7:
588 strDW = "万";
589 break;
590 case 8:
591 strDW = "拾";
592 break;
593 case 9:
594 strDW = "佰";
595 break;
596 case 10:
597 strDW = "仟";
598 break;
599 case 11:
600 strDW = "亿";
601 break;
602 case 12:
603 strDW = "拾";
604 break;
605 case 13:
606 strDW = "佰";
607 break;
608 case 14:
609 strDW = "仟";
610 break;
611 }
612 switch (strFen.charAt(lenIntFen - 1)) // 选择数字
613 {
614 case '1':
615 strNum = "壹";
616 break;
617 case '2':
618 strNum = "贰";
619 break;
620 case '3':
621 strNum = "叁";
622 break;
623 case '4':
624 strNum = "肆";
625 break;
626 case '5':
627 strNum = "伍";
628 break;
629 case '6':
630 strNum = "陆";
631 break;
632 case '7':
633 strNum = "柒";
634 break;
635 case '8':
636 strNum = "捌";
637 break;
638 case '9':
639 strNum = "玖";
640 break;
641 case '0':
642 strNum = "零";
643 break;
644 }
645 // 处理特殊情况
646 strNow = strBig;
647 // 分为零时的情况
648 if ((i == 1) && (strFen.charAt(lenIntFen - 1) == '0')) {
649 strBig = "整";
650 }
651 // 角为零时的情况
652 else if ((i == 2) && (strFen.charAt(lenIntFen - 1) == '0')) { // 角分同时为零时的情况
653 if (!strBig.equals("整")) {
654 strBig = "零" + strBig;
655 }
656 }
657 // 元为零的情况
658 else if ((i == 3) && (strFen.charAt(lenIntFen - 1) == '0')) {
659 strBig = "元" + strBig;
660 }
661 // 拾－仟中一位为零且其前一位（元以上）不为零的情况时补零
662 else if ((i < 7) && (i > 3)
663 && (strFen.charAt(lenIntFen - 1) == '0')
664 && (strNow.charAt(0) != '零')
665 && (strNow.charAt(0) != '元')) {
666 strBig = "零" + strBig;
667 }
668 // 拾－仟中一位为零且其前一位（元以上）也为零的情况时跨过
669 else if ((i < 7) && (i > 3)
670 && (strFen.charAt(lenIntFen - 1) == '0')
671 && (strNow.charAt(0) == '零')) {
672 }
673 // 拾－仟中一位为零且其前一位是元且为零的情况时跨过
674 else if ((i < 7) && (i > 3)
675 && (strFen.charAt(lenIntFen - 1) == '0')
676 && (strNow.charAt(0) == '元')) {
677 }
678 // 当万为零时必须补上万字
679 else if ((i == 7) && (strFen.charAt(lenIntFen - 1) == '0')) {
680 strBig = "万" + strBig;
681 }
682 // 拾万－仟万中一位为零且其前一位（万以上）不为零的情况时补零
683 else if ((i < 11) && (i > 7)
684 && (strFen.charAt(lenIntFen - 1) == '0')
685 && (strNow.charAt(0) != '零')
686 && (strNow.charAt(0) != '万')) {
687 strBig = "零" + strBig;
688 }
689 // 拾万－仟万中一位为零且其前一位（万以上）也为零的情况时跨过
690 else if ((i < 11) && (i > 7)
691 && (strFen.charAt(lenIntFen - 1) == '0')
692 && (strNow.charAt(0) == '万')) {
693 }
694 // 拾万－仟万中一位为零且其前一位为万位且为零的情况时跨过
695 else if ((i < 11) && (i > 7)
696 && (strFen.charAt(lenIntFen - 1) == '0')
697 && (strNow.charAt(0) == '零')) {
698 }
699 // 万位为零且存在仟位和十万以上时，在万仟间补零
700 else if ((i < 11) && (i > 8)
701 && (strFen.charAt(lenIntFen - 1) == '0')
702 && (strNow.charAt(0) == '万')
703 && (strNow.charAt(2) == '仟')) {
704 strBig = strNum + strDW + "万零"
705 + strBig.substring(1, strBig.length());
706 }
707 // 单独处理亿位
708 else if (i == 11) {
709 // 亿位为零且万全为零存在仟位时，去掉万补为零
710 if ((strFen.charAt(lenIntFen - 1) == '0')
711 && (strNow.charAt(0) == '万')
712 && (strNow.charAt(2) == '仟')) {
713 strBig = "亿" + "零"
714 + strBig.substring(1, strBig.length());
715 }
716 // 亿位为零且万全为零不存在仟位时，去掉万
717 else if ((strFen.charAt(lenIntFen - 1) == '0')
718 && (strNow.charAt(0) == '万')
719 && (strNow.charAt(2) != '仟')) {
720 strBig = "亿" + strBig.substring(1, strBig.length());
721 }
722 // 亿位不为零且万全为零存在仟位时，去掉万补为零
723 else if ((strNow.charAt(0) == '万')
724 && (strNow.charAt(2) == '仟')) {
725 strBig = strNum + strDW + "零"
726 + strBig.substring(1, strBig.length());
727 }
728 // 亿位不为零且万全为零不存在仟位时，去掉万
729 else if ((strNow.charAt(0) == '万')
730 && (strNow.charAt(2) != '仟')) {
731 strBig = strNum + strDW
732 + strBig.substring(1, strBig.length());
733 }
734 // 其他正常情况
735 else {
736 strBig = strNum + strDW + strBig;
737 }
738 }
739 // 拾亿－仟亿中一位为零且其前一位（亿以上）不为零的情况时补零
740 else if ((i < 15) && (i > 11)
741 && (strFen.charAt(lenIntFen - 1) == '0')
742 && (strNow.charAt(0) != '零')
743 && (strNow.charAt(0) != '亿')) {
744 strBig = "零" + strBig;
745 }
746 // 拾亿－仟亿中一位为零且其前一位（亿以上）也为零的情况时跨过
747 else if ((i < 15) && (i > 11)
748 && (strFen.charAt(lenIntFen - 1) == '0')
749 && (strNow.charAt(0) == '亿')) {
750 }
751 // 拾亿－仟亿中一位为零且其前一位为亿位且为零的情况时跨过
752 else if ((i < 15) && (i > 11)
753 && (strFen.charAt(lenIntFen - 1) == '0')
754 && (strNow.charAt(0) == '零')) {
755 }
756 // 亿位为零且不存在仟万位和十亿以上时去掉上次写入的零
757 else if ((i < 15) && (i > 11)
758 && (strFen.charAt(lenIntFen - 1) != '0')
759 && (strNow.charAt(0) == '零')
760 && (strNow.charAt(1) == '亿')
761 && (strNow.charAt(3) != '仟')) {
762 strBig = strNum + strDW
763 + strBig.substring(1, strBig.length());
764 }
765 // 亿位为零且存在仟万位和十亿以上时，在亿仟万间补零
766 else if ((i < 15) && (i > 11)
767 && (strFen.charAt(lenIntFen - 1) != '0')
768 && (strNow.charAt(0) == '零')
769 && (strNow.charAt(1) == '亿')
770 && (strNow.charAt(3) == '仟')) {
771 strBig = strNum + strDW + "亿零"
772 + strBig.substring(2, strBig.length());
773 } else {
774 strBig = strNum + strDW + strBig;
775 }
776 strFen = strFen.substring(0, lenIntFen - 1);
777 lenIntFen--;
778 }
779 // if(flag<0)strBig="负"+strBig;
780 return strBig;
781 } catch (Exception e) {
782 return "";
783 }
784 }
785
786 /**
787 * 判断是否null值
788 *
789 * @param css 可变字符串参数
790 * @return 是否null值
791 */
792 public static boolean isNoneBlank(CharSequence... css) {
793 return !isAnyBlank(css);
794 }
795
796 /**
797 * 判断是否null值
798 *
799 * @param css 可变字符串参数
800 * @return 是否null值
801 */
802 public static boolean isAnyBlank(CharSequence... css) {
803 if (css == null || css.length == 0) {
804 return true;
805 } else {
806 CharSequence[] arr$ = css;
807 int len$ = css.length;
808
809 for (int i$ = 0; i$ < len$; ++i$) {
810 CharSequence cs = arr$[i$];
811 if (cs == null) {
812 return true;
813 }
814 }
815
816 return false;
817 }
818 }
819
820 /**
821 * 把null格式化成""
822 *
823 * @param str 字符串
824 * @return 格式化后字符串
825 */
826 public static String formatNull(String str) {
827 if (str == null || "null".equals(str)) {
828 return "";
829 } else {
830 return str;
831 }
832 }
833
834 /**
835 * 判断是否为null值
836 *
837 * @param strings 字符串
838 * @return 是否为null值
839 */
840 public static boolean isAllBlank(String... strings) {
841 String[] arr$ = strings;
842 int len$ = strings.length;
843
844 for (int i$ = 0; i$ < len$; ++i$) {
845 String string = arr$[i$];
846 if (!isBlank(string)) {
847 return false;
848 }
849 }
850
851 return true;
852 }
853
854 public static final char UNDERLINE = '_';
855
856 /**
857 * 驼峰格式字符串转换为下划线格式字符串
858 *
859 * @param param
860 * @return
861 */
862 public static String camelToUnderline(String param) {
863 if (param == null || "".equals(param.trim())) {
864 return "";
865 }
866 int len = param.length();
867 StringBuilder sb = new StringBuilder(len);
868 for (int i = 0; i < len; i++) {
869 char c = param.charAt(i);
870 if (Character.isUpperCase(c)) {
871 sb.append(UNDERLINE);
872 sb.append(Character.toLowerCase(c));
873 } else {
874 sb.append(c);
875 }
876 }
877 return sb.toString();
878 }
879
880 /**
881 * 下划线格式字符串转换为驼峰格式字符串
882 *
883 * @param param
884 * @return
885 */
886 public static String underlineToCamel(String param) {
887 if (param == null || "".equals(param.trim())) {
888 return "";
889 }
890 StringBuilder sb = new StringBuilder(param);
891 Matcher mc = Pattern.compile("_").matcher(param);
892 int i = 0;
893 while (mc.find()) {
894 int position = mc.end() - (i++);
895 sb.replace(position - 1, position + 1, sb.substring(position, position + 1).toUpperCase());
896 }
897 return sb.toString();
898 }
899
900 /**
901 * 对xss攻击字符串进行正则表达式匹配过滤
902 *
903 * @param value
904 * @return
905 */
906 public static String xssEscape(String value) {
907 if (StringUtils.isNotEmpty(value)) {
908 // Avoid anything between script tags
909 Pattern scriptPattern = Pattern.compile("<script>(.*?)</script>", Pattern.CASE_INSENSITIVE);
910 value = scriptPattern.matcher(value).replaceAll("");
911
912 // Avoid anything in a src='...' type of expression
913 scriptPattern = Pattern.compile("src[\r\n]*=[\r\n]*\\\'(.*?)\\\'", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
914 value = scriptPattern.matcher(value).replaceAll("");
915
916 scriptPattern = Pattern.compile("src[\r\n]*=[\r\n]*\\\"(.*?)\\\"", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
917 value = scriptPattern.matcher(value).replaceAll("");
918
919 // Remove any lonesome </script> tag
920 scriptPattern = Pattern.compile("</script>", Pattern.CASE_INSENSITIVE);
921 value = scriptPattern.matcher(value).replaceAll("");
922
923 // Remove any lonesome <script ...> tag
924 scriptPattern = Pattern.compile("<script(.*?)>", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
925 value = scriptPattern.matcher(value).replaceAll("");
926
927 // Avoid eval(...) expressions
928 scriptPattern = Pattern.compile("eval\\((.*?)\\)", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
929 value = scriptPattern.matcher(value).replaceAll("");
930
931 // Avoid expression(...) expressions
932 scriptPattern = Pattern.compile("expression\\((.*?)\\)", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
933 value = scriptPattern.matcher(value).replaceAll("");
934
935 // Avoid javascript:... expressions
936 scriptPattern = Pattern.compile("javascript:", Pattern.CASE_INSENSITIVE);
937 value = scriptPattern.matcher(value).replaceAll("");
938
939 // Avoid vbscript:... expressions
940 scriptPattern = Pattern.compile("vbscript:", Pattern.CASE_INSENSITIVE);
941 value = scriptPattern.matcher(value).replaceAll("");
942
943 // Avoid onload= expressions
944 scriptPattern = Pattern.compile("onload(.*?)=", Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
945 value = scriptPattern.matcher(value).replaceAll("");
946 }
947 return value;
948 }
949 }
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