反射操作 (获取(属性名,类型)数组)(根据属性名获取属性值)

  /**
     * 获取(属性名,类型)数组
     * */
    public static Map getFiledName(Object o){
        Field[] fields = o.getClass().getDeclaredFields();
        Map map = new HashMap<>(fields.length);
        for(int i=0;i

/* 根据属性名获取属性值
 * */
public static Object getFieldValueByName(String fieldName, Object o) {
    try {
        String firstLetter = fieldName.substring(0, 1).toUpperCase();
        String getter = "get" + firstLetter + fieldName.substring(1);
        Method method = o.getClass().getMethod(getter, new Class[] {});
        Object value = method.invoke(o, new Object[] {});
        return value;
    } catch (Exception e) {

        return null;
    }
}