在access中如何实现面向对象分层编程
恩,是代码层的,就想用vb 实现 独立的实体、数据访问、逻辑三个层次,方便以后的扩展。 因为我平时写的代码重复性较大,所以每改动或增加一个功能代码几乎需要重写,很麻烦。之前用vc.net写 分层 的网站感觉还挺好用的,所以就想在access后也用 分层 代码来
恩,是代码层的,就想用vb实现独立的实体、数据访问、逻辑三个层次,方便以后的扩展。
因为我平时写的代码重复性较大,所以每改动或增加一个功能代码几乎需要重写,很麻烦。之前用vc.net写分层的网站感觉还挺好用的,所以就想在access后也用分层代码来增加代码的可重用性。
另外,我还想把各个功能封装成独立的功能模块,以后在做开发的时候,直接调用这些模块。比如,封装用户管理模块(包括登录,权限管理等),以后通过“用户管理模块”提供的方法和参数等把该模块应用到新的系统。但是不知道怎么实现更好。

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Access Violation error is a run-time error that occurs when a program accesses a memory location beyond its memory allocation, causing the program to crash or terminate abnormally. Solutions include: checking array boundaries; using pointers correctly; using appropriate memory allocation functions; freeing freed memory; checking for memory overflows; updating drivers and systems; checking third-party libraries; using a debugger to trace execution; contacting the software vendor for support.

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