前端注解转化驼峰太麻烦,手动写了个类以后就不用再去转化了
public class Test { public static void main(String[] args) { String s = "i_love_you"; StringBuilder stringBuilder = new StringBuilder(); for (int i = 0; i < s.length(); i++) { if ("_".equals(String.valueOf(s.charAt(i))) && i < s.length() - 1) { try { String toUpperCase = String.valueOf(s.charAt(i + 1)).toUpperCase(); stringBuilder.append(toUpperCase); i++; } catch (Exception e) { } } else { stringBuilder.append(s.charAt(i)); } } System.out.println("结果: " + stringBuilder.toString()); } }