本文旨在利用java语言设计一种类似与电子警察的自动监控及警报方案，以确保个人及公共的财产安全，也在一定程度上迎合当今物联网飞速发展的浪潮。-The purpose of this paper is to use Java language to design a similar to automatic monitoring and warning system of electronic police, to ensure the safety of personal and public property, and to a certain extent, to cater to the wave of rapid development in the Internet of things today.