mysql in相关的知识
2026/1/16 17:14:44
/** * listmap数据_变驼峰 * * @param list * @return */ public static List<Map<String, Object>> convertListToCamelCase(List<Map<String, Object>> list) { List<Map<String, Object>> data = new ArrayList<>(); if (null == list || list.size() == 0) { return data; } for (Map<String, Object> t : list) { data.add(convertMapToCamelCase(t)); } return data; }/** * map数据_变驼峰 * * @param map * @return */ public static Map<String, Object> convertMapToCamelCase(Map<String, Object> map) { Map<String, Object> data = new HashMap<>(); if (null == map) { return data; } for (Map.Entry<String, Object> ma : map.entrySet()) { if(null == ma.getKey() || ma.getKey().length() == 0) { continue; } data.put(convertToCamelCase(ma.getKey()), ma.getValue()); } return data; }/** * _变驼峰 * * @param context * @return */ public static String convertToCamelCase(String context) { if (null == context || context.isEmpty()) { return ""; } if (!context.contains("_")) { return context.toLowerCase(); } StringBuilder result = new StringBuilder(); String[] camles = context.split("_"); for (String camle : camles) { if (camle.isEmpty()) { continue; } result.append(camle.substring(0, 1).toUpperCase()); result.append(camle.substring(1).toLowerCase()); } StringBuilder ret = new StringBuilder(result.substring(0, 1).toLowerCase()); ret.append(result.substring(1, result.toString().length())); return ret.toString(); }