php+mysqli完整示例代码,包含连接数据库,选择数据库,会员列表查询及数字分页符的分页功能,会员短信宝ajax验证注册,管理员密码修改,及网站配置管理等功能(PHP + mysqli complete sample code, including connection database, select database, membership list query and digital pagination character pagination function, member me