host =$host;				}		if($name==''){			$this->name =$name;		}		if($pwd ==''){			$this->pwd  =$pwd;		}		if($db == ''){			$this->db =$db;		}		$this->init_conn();	}	//链接数据库	function init_conn(){		$this->conn = @mysql_connect($this->host,$this->name,$this->pwd);		@mysql_select_db($this->db,$this->conn);		mysql_query("set names gb2312");	}	//查询结果集	function mysql_query_rst($sql){	    if($this->conn==''){			$this->init_conn();		}		$this->result = @mysql_query($sql,$this->conn);	}	//取得字段数	function getFieldsNum($sql){		$this->mysql_query_rst($sql);		$this->fieldsNum = @mysql_num_fields($this->result);	}	//获取总行数	function getRowsNum($sql){		$this->mysql_query_rst($sql);		if(mysql_errno() == 0){			return @mysql_num_rows($this->result,MYSQL_ASSOC);		}else{			return '';		}	}	//获取单条记录数	function getRowsRst($sql){		$this->mysql_query_rst($sql);		if(mysql_errno() == 0){			$this->rowsRst =mysql_fetch_array($this->result,MYSQL_ASSOC);			return $this->rowsRst;		}else{			return '';		}	}	//获取多条记录	function getRowsArray($sql){		$this->mysql_query_rst($sql);		if(mysql_errno() == 0){			while($row= mysql_fetch_array($this->result,MYSQL_ASSOC){				$this->rowsArray[] =$row;			}			return $this->rowsArray;		}else{			return '';		}	}	//更新、删除、插入记录	function uidRst($sql){		if($this->conn ==''){			$this->init_conn();		}		@mysql_query($sql);		$this->rowsNum = mysql_affected_rows();		if(mysql_errno() == 0){			return $this->rowsNum;		}else{			return '';		}	}	//获取对应的字段数	function getFields($sql,$fields){		$this->mysql_query_rst($sql);		if(mysql_errno() == 0){			if(mysql_num_fields($this->result) > 0){				$tmp = @mysql_fetch_row($this->result);				$this->fieldsArray =$tmp[$fields]			}			return $this->fieldsArray;		}else{			return '';		}	}	//错误信息	function msg_error(){		if(mysql_errno() != 0){			$this->msg = mysql_error();		}		return $this->msg;	}	//释放结果集	function close_rst(){		mysql_free_result($this->result);		$this->msg ='';		$this->fieldsNum =0;		$this->rowsNum =0;		$this->fieldsArray ='';		$this->rowsArray ='';	}	//关闭数据库	function close_conn(){		$this->close_rst();		mysql_close($this->conn);		$this->conn ='';	}	$conne = new opmysql();}?>