简说MIS系统
关于MIS
首先，决策是通过对客观情况、对客观外部情况、对企业外部情况、对企业内部情况的了解才能做出正确的判断和决策。所以，决策和信息有着非常密切的联系。过去一些凭经验或者拍脑袋的所谓决策经常会造成决策失误，越来越明确信息是决策性基础。
在管理控制中，以信息来控制整个生产过程、服务过程的运作，也靠信息的反馈来不断地修正已有的计划，依靠信息来实施管理控制。有很多事情不能很好地控制，其根源是没有很好地掌握全面真实无误的信息。
其次，Web应用程序是一种可以通过Web访问的应用程序，Web应用程序的一个最大好处是用户很容易访问应用程序。用户只需要有浏览器即可，不必考虑应用平台和运行环境，也不需要再花费安装其他软件。Web应用程序的真正核心主要是对数据库进行处理，管理信息系统（Management Information System,简称MIS）就是这种架构最典型的应用。MIS先由PC单机版的诸如人事工资管理系统或商店收银管理系统等各种中小型管理信息系统发展到C/S架构的专业大型管理信息系统，比方说QQ或ERP，现在主要以B/S架构的web应用为主流，比方说微信或支付宝。MIS可以应用于局域网，也可以应用于广域网，如今可以说是无处不在。相对传统C/S架构的MIS系统而言，以“免费开源”著称的PHP web 应用基于Internet的MIS系统开发以其成本低廉、维护简便、覆盖范围广、功能易实现等诸多特性得到越来越多的公司青睐和推广。按需开发应用的云计算本质使得可扩展的Web应用程序融入到了各种规模的业务中，云计算的不断发展，使得公司的业务需求越来越多。很多公司的页面因为缺乏高度的可扩展性，因而流失了大量的客户，从而引爆大量专业化基于web应用的MIS系统开发来扩展自己web应用的途径，也使云计算贴近现实，让公司依托外部资源管理变成可能。
最后，特别强调一下web应用的MIS系统开发语言方面。PHP 是一个灵活的动态语言，支持多种编程技巧，这几年一直不断的加速更新和发展，使得PHPer社区非常活跃。重要的里程碑包含 PHP 5.0 (2004年) 增加了完善的面向对象模型，PHP 5.3 (2009年) 增加了匿名函数与命名空间以及 PHP 5.4 (2012年) 增加的 traits功能扩展和支持[ ]数组表达式。PHP 7.1 版本已在2016年12 月发布，并对该语言进行了小范围的增强。这个版本基于2015年12月发布的 7.0 版本主要性能提升和改进，将 PHP 转变为构建 Web 应用程序的快速平台，PHP7无疑是MIS系统的最佳开发语言。
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与其纠结选择什么web开发语言，不如就简单相信“PHP是世界上最好的语言”，因为PHP为Web而生，自从PHP7有了Composer还有Laravel加持，优雅、简洁、现代的Web开发更加符合当下MIS开发的需要。