各种数据保存：字符型，日期型，大文本，图片，二进制-A variety of data retention: character, date, type, large text, images, binary

公交系统，可以连接数据库，将文本文件中的公交线路解析读取到队列中，然后选择是否将数据保存到mysql数据库中，并可以查询某一条线路。-Bus system, you can connect to the database, the bus lines in a text file parsing to read into the queue, and then choose whether to save data to mysql database and can query one line