1 public class HumpUtils {
2 private static final Pattern linePattern = Pattern.compile("_(\\w)"
);
3 private static final Pattern humpPattern = Pattern.compile("[A-Z]"
);
4
5 /**下划线转驼峰*/
6 public static String lineHump(String str){
7 str =
str.toLowerCase();
8 Matcher matcher =
linePattern.matcher(str);
9 StringBuffer sb =
new StringBuffer();
10 while(matcher.find()){
11 matcher.appendReplacement(sb, matcher.group(1
).toUpperCase());
12 }
13 matcher.appendTail(sb);
14 return sb.toString();
15 }
16 /**驼峰转下划线*/
17 public static String hump2Line(String str){
18 Matcher matcher =
humpPattern.matcher(str);
19 StringBuffer sb =
new StringBuffer();
20 while(matcher.find()){
21 matcher.appendReplacement(sb, "_"+matcher.group(0
).toLowerCase());
22 }
23 matcher.appendTail(sb);
24 return sb.toString();
25 }
26 public static void main(String[] args) {
27 String lineToHump = lineHump("45hhf_parent_no_leader"
);
28 System.out.println(lineToHump);
29 System.out.println(hump2Line(lineToHump));
30 }
31 }
转载于:https://www.cnblogs.com/stromluo/p/8306898.html
相关资源：eclipse字符串下划线驼峰互转插件(附源码).7z
