<?php
// +-----------------------------------------------------+
// | hyj
// |-----------------------------------------------------+
// | 文章管理模型
// |-----------------------------------------------------+
// | 2018-06-06 10:22
// +-----------------------------------------------------+
namespace app\admin\model;
use think\Model;
class ClassModel extends Model
{
// 主键
protected $pk = 'class_id';
// 表名
protected $table = 'tp_class';
/**
* 获取单个字段
* @param [type] $where [查询条件]
* @param [type] $field [查询字段]
* @return [type] [返回]
*/
public function get_field($where, $field)
{
$data = $this->field($field)->where($where)->find();
return $data->getAttr($field);
}
/**
* 获取单条信息
* @param [type] $where [查询条件]
* @param [type] $field [查询字段]
* @return [type] [返回]
*/
public function get_info($where, $fields = "*")
{
$data = $this->field($fields)->where($where)->find();
return $data;
}
/**
* 获取多条信息
* @param [type] $where [查询条件]
* @param [type] $order [排序规则]
* @param [type] $field [查询字段]
* @return [type] [返回]
*/
public function get_list($where, $order = "", $fields = "*")
{
$order = empty($order) ? $this->pk." asc" : $order;
$data = $this->field($fields)->where($where)->order($order)->select();
return $data->toArray();
}
/**
* 获取多条信息
* @param [type] $where [查询条件]
* @param [type] $order [排序规则]
* @param [type] $field [查询字段]
* @param [type] $start [跳过数量]
* @param [type] $size [每页数量]
* @return [type] [返回]
*/
public function get_list_page($where, $order = "", $fields = "*", $start, $size)
{
$order = empty($order) ? $this->pk." asc" : $order;
$data = $this->field($fields)->where($where)->order($order)->limit($start, $size)->select();
return $data->toArray();
}
/**
* 获取数量
* @param $where
*/
public function get_count($where)
{
return $this->where($where)->count();
}
/**
* 插入单条信息
* @param $param
*/
public function insert_data($param)
{
try{
$result = $this->create($param, true);
return (int)$result->{$this->pk};
}catch(\Exception $e){
return msg_error($e->getMessage());
}
}
/**
* 批量编辑信息[插入与修改]
* @param $param
*/
public function edit_data_bantch($param)
{
try{
return $this->saveAll($param);
}catch(\Exception $e){
return msg_error($e->getMessage());
}
}
/**
* 更新单条信息
* @param $param
*/
public function save_data($param)
{
try{
return $this->update($param);
}catch(PDOException $e){
return msg_error($e->getMessage());
}
}
/**
* 删除数据
* @param $id
*/
public function del_data($where)
{
try{
return $this->where($where)->delete();
}catch(PDOException $e){
return msg_error($e->getMessage());
}
}
}