skymvc/class/cls_model.php

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<?php
class model{
	 
	public $db;
	public $table;
	public $table_all=NULL;
	public $tmpTable=false;  
	public $where="";
	public $fields=" * ";
	public $group="";
	public $order="";
	public $start=0;
	public $limit=0;
	function __construct()
	{
		
	}
	
	public function setDb($table=NULL){
		$this->db=setDb($table?$table:$this->table);
		 
	}
	
	public function setTable($table,$object_id=0,$table_num=10){
		$this->setDb($table);
		if($object_id){
			$this->tmpTable=$table."_".($object_id%$table_num);
		}else{
			$this->tmpTable=$table;
		}
		return $this;
	}
	public function clearTable(){
		$this->tmpTable=false;
	}
	public function table($table){
		$this->table=$table;
		return $this;
	}
	public function initParam(){
		//$this->table="";
		$this->where="";
		$this->fields="";
		$this->group="";
		$this->order="";
		$this->start=0;
		$this->limit=0;
	} 
	/**
	*执行sql语句
	*/
	public function query($sql){
		 
		return $this->db->query($sql);
	}
	
	public function begin(){
		 
		return $this->db->query("BEGIN");
	}