下划线转驼峰
1 public static Object underline2Camel(String line,boolean smallCamel){
2 if(line==null||"".equals(line)){
3 return "";
4 }
5 StringBuffer sb=new StringBuffer();
6 Pattern pattern=Pattern.compile("([A-Za-z\\d]+)(_)?");
7 Matcher matcher=pattern.matcher(line);
8 while(matcher.find()){
9 String word=matcher.group();
10 sb.append(smallCamel&&matcher.start()==0?Character.toLowerCase(word.charAt(0)):Character.toUpperCase(word.charAt(0)));
11 int index=word.lastIndexOf('_');
12 if(index>0){
13 sb.append(word.substring(1, index).toLowerCase());
14 }else{
15 sb.append(word.substring(1).toLowerCase());
16 }
17 }
18 return sb.toString();
19 }
