pdo分页类，采用php的新数据库操作对象，封装的数据分页操作。以便统一数据库操作-pdo paging class, using the new database operations php object, package data paging operation. To a unified database operations

自定义封装pdo实现增删改查(Custom package PDO, crud additions and deletions)

PDO连接数据库 进行增删该查 如有建议 欢迎提出来(PDO connect to the database for additions and deletions of the search)