封装关于RMS操作，差不多和SQL查询一样的效果-Package for RMS operations, almost the same effect, and SQL queries

java 连接数据库，并进行数据库操作，有查询，建表等，利用了连接池-java to connect to the database and database operations, queries, build tables using the connection pool

手机上计算公路平面线型中、边桩坐标，或坐标反算为中边桩，带上手机就可在野外查询。-Calculating linear plane on the phone in the road, while the pile coordinates, or coordinate inverse calculation of the pile side, you can take your phone in the field queries.