How to use add, delete, modify and check in phpcms

1. Check
1. select($where = '', $data = '*', $limit = '', $order = '', $group = '', $key='')
/**
* 执行sql查询
* @param $where 查询条件[例`name`='$name']
* @param $data 需要查询的字段值[例`name`,`gender`,`birthday`]
* @param $limit 返回结果范围[例:10或10,10 默认为空]
* @param $order 排序方式 [默认按数据库默认方式排序]
* @param $group 分组方式 [默认为空]
* @param $key 返回数组按键名排序
* @return array 查询结果集数组
*/2. listinfo($where = '', $order = '', $page = 1, $pagesize = 20, $key='' , $setpages = 10,$urlrule = '',$array = array(), $data = '*')
/**
* 查询多条数据并分页
* @param $where
* @param $order
* @param $page
* @param $pagesize
* @return unknown_type
*/3.get_one($where = '', $data = '*', $order = '', $group = '')
/**
* 获取单条记录查询
* @param $where 查询条件
* @param $data 需要查询的字段值[例`name`,`gender`,`birthday`]
* @param $order 排序方式 [默认按数据库默认方式排序]
* @param $group 分组方式 [默认为空]
* @return array/null 数据查询结果集,如果不存在,则返回空
*/4. query($sql)
/**
* 直接执行sql查询
* @param $sql 查询sql语句
* @return boolean/query resource 如果为查询语句,返回资源句柄,否则返回true/false */2. Add
1. insert($data, $ return_insert_id = false, $replace = false)
/**
* 执行添加记录操作
* @param $data 要增加的数据,参数为数组。数组key为字段值,数组值为数据取值
* @param $return_insert_id 是否返回新建ID号
* @param $replace 是否采用 replace into的方式添加数据
* @return boolean
*/2. insert_id()
/**
* 获取最后一次添加记录的主键号
* @return int
*/3. Change
3. update($data, $where = '')
/**
* 执行更新记录操作
* @param $data 要更新的数据内容,参数可以为数组也可以为字符串,建议数组。
* 为数组时数组key为字段值,数组值为数据取值
* 为字符串时[例:`name`='phpcms',`hits`=`hits`+1]。
* 为数组时[例: array('name'=>'phpcms','password'=>'123456')]
* 数组的另一种使用array('name'=>'+=1', 'base'=>'-=1');程序会自动解析为`name` = `name` + 1, `base` = `base` - 1
* @param $where 更新数据时的条件,可为数组或字符串
* @return boolean
*/4. Delete
1. delete($where)
/**
* 执行删除记录操作
* @param $where 删除数据条件,不充许为空。
* @return boolean
*/Related recommendations: phpcms tutorial
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