Java 反射获取数据

public String allName(){
    String allName = "";
    Field[] fields = this.getClass().getDeclaredFields();
    for(Field field : fields){
        allName += field.getName() + ",";
    }
    return allName.substring(0, allName.length() -1);
}

try {
    Field[] fields = super.getClass.getDeclaredFields();
    for (Field field : fields) {
        field.setAcessible(true);
        Method method = super.getClass().getDeclaredMethod("get" + upperHeadChar(field.getName()));
        Object obj = method.invoke(super);
        field.set(this, obj);
    }
} catch (NoSuchMethodException | IllegalAcessException | InvocationTargetException e){
    e.printStackTrace();
}

private static String upperHeadChar(String in){
    String head = in.substring(0,1);
    return head.toUpperCase() + in.substring(1);
}