php专区

用户名：

密码：

请输入验证码:
 
看不清点击图片换一张




";
			echo "document.getElementById('user').innerHTML='用户名为空'";
			echo "";exit();
		}
		if(strlen($user)>6){
			echo "";exit();
		}
		if(preg_match("/^[x7f-xff]+$/", $user)==0){
			echo "";exit();
		}
		if(isset($_POST['pwd'])){
			$pwd=trim($_POST['pwd']);
			if(preg_match("/^[a-z0-9-]+$/i", $pwd)==0){
				echo "";exit();
			}
			if($pwd==''){
				echo "";exit();
			}elseif (strlen($pwd)>=19){
				echo "";exit();
			}
			else {
				include_once 'Sql.php';
				$sql = new Sql();
				$sql->regerster($user, $pwd);
			}
		}
	}
		
?>

conn=mysql_connect("localhost","like","admin");
		mysql_select_db("test");
		if(!$this->conn)	die("fail to connect the mysql database");
	}
	public function queryInfor($receiver){
		$arr=array();
		$receiver=iconv("utf-8","gbk",$receiver);
		$query="select * from `comm` where recever='$receiver' order by id desc";
		mysql_query("set names gbk");
		$result=mysql_query($query,$this->conn) or die("fuck error");
		while($row=mysql_fetch_row($result)){
			$arr[]=$row;
		}
		if(count($arr)>5){//保存的信息超过五条，就删除掉多余信息
			for($i=count($arr)-1;$i>4;$i--){
				mysql_query("delete from `comm` where id={$arr[$i][0]}") or die("fail to delete the extra information");
				unset($arr[$i]);
			}
		}
		mysql_free_result($result);
		for($i=0;$iconn) or die("fuck error");
		while($row=mysql_fetch_row($result)){
			$arr[]=$row;
		}
		if(count($arr)>5){//保存的信息超过五条，就删除掉多余信息
			for($i=count($arr)-1;$i>4;$i--){
				mysql_query("delete from `comm` where id={$arr[$i][0]}") or die("fail to delete the extra information");
				unset($arr[$i]);
			}
		}
		mysql_free_result($result);
		for($i=0;$iconn);
		$query="insert into `comm`(sendor,time,recever,content)values('$sender','$timestamp','$receiver','$content')";
		mysql_query($query,$this->conn) or die("insert error");
		
	}
	public function getSenderAll($name){
		$arr= array();
		$name=iconv("utf-8","gbk",$name);
		$query="select user from `rege` where 1 order by id desc";
		mysql_query("set names gbk",$this->conn);
		$result=mysql_query($query,$this->conn) or die("no data in database");
		while($row=mysql_fetch_row($result)){
			$arr[]=$row[0];
		}
		for($i=0;$iconn) or die("注销失败");
	}
	public function  checkPassword($name,$password=null){
		$name=iconv("utf-8","gbk",$name);
		$queryP="select * from `rege` where user='$name' and password='$password' limit 1";
		$queryQ="select * from `rege` where user='$name' limit 1";
		mysql_query("set names gbk",$this->conn);	
		if($password!=null){
			mysql_query($queryP,$this->conn) or die("ass error");
			if(mysql_affected_rows($this->conn)>0){		
				$result=mysql_query("select status from `rege` where user='$name'");
				$row=mysql_fetch_row($result);
				if($row[0])	{
					$this->infor="该用户已经登录";
					return false;
				}
				$query="update `rege` set status=true where user='$name'";
				mysql_query($query,$this->conn);
				return true;	
			}else{
				$this->infor="用户名或密码错误";
				return false;
			}
		}
		else {
			mysql_query($queryQ,$this->conn) or die("sorry error");
			if(mysql_affected_rows($this->conn)>0){
				$this->infor="该用户名已被注册";
				return false;
			}
			return true;
		}
	}
	public function regerster($name,$pwd){
		$name=iconv("utf-8","gbk",$name);
		$query="INSERT INTO `rege`(`user`,`password`) VALUES ('$name','$pwd')";
		mysql_query("set names gbk",$this->conn);
		mysql_query($query,$this->conn) or die("注册失败");
		$this->infor="注册成功";
	}
	public function close(){
		mysql_close($this->conn);
	}
}