若依 4.0

ruoyi-common/src/main/java/com/ruoyi/common/utils/StringUtils.java

@@ -362,4 +362,37 @@ public class StringUtils extends org.apache.commons.lang3.StringUtils
         }
         return result.toString();
     }
+
+    /**
+     * 驼峰式命名法 例如：user_name->userName
+     */
+    public static String toCamelCase(String s)
+    {
+        if (s == null)
+        {
+            return null;
+        }
+        s = s.toLowerCase();
+        StringBuilder sb = new StringBuilder(s.length());
+        boolean upperCase = false;
+        for (int i = 0; i < s.length(); i++)
+        {
+            char c = s.charAt(i);
+
+            if (c == SEPARATOR)
+            {
+                upperCase = true;
+            }
+            else if (upperCase)
+            {
+                sb.append(Character.toUpperCase(c));
+                upperCase = false;
+            }
+            else
+            {
+                sb.append(c);
+            }
+        }
+        return sb.toString();
+    }
 }