class MetaObjectUtil {
    public static Method method;

    static {
        try {
            // 高版本中的 MetaObject.forObject 有 4 个参数，低版本是 1 个
            //先判断当前使用的是否为高版本
            Class.forName("org.apache.ibatis.reflection.ReflectorFactory");
            // 下面这个 MetaObjectWithReflectCache 带反射的缓存信息
            Class<?> metaClass = Class.forName("com.github.pagehelper.util.MetaObjectWithReflectCache");
            method = metaClass.getDeclaredMethod("forObject", Object.class);
        } catch (Throwable e1) {
            try {
                Class<?> metaClass = Class.forName("org.apache.ibatis.reflection.SystemMetaObject");
                method = metaClass.getDeclaredMethod("forObject", Object.class);
            } catch (Exception e2) {
                try {
                    Class<?> metaClass = Class.forName("org.apache.ibatis.reflection.MetaObject");
                    method = metaClass.getDeclaredMethod("forObject", Object.class);
                } catch (Exception e3) {
                    throw new PageException(e3);
                }
            }
        }
    }

    public static MetaObject forObject(Object object) {<FILL_FUNCTION_BODY>}

}

        try {
            return (MetaObject) method.invoke(null, object);
        } catch (Exception e) {
            throw new PageException(e);
        }
    
<no_super_class>