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用户写入到(.txt)文件里

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Release: 2016-05-25 16:58:44
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php代码

/* 检查用户昵称是否重复
 * 参数$user是登录用户的昵称
 * 返回值为true时,昵称可用
 * 返回值为false时,昵称不可用
 */
function chklogin($file,$user){
	$boo = false;
	if(file_exists($file)){
		$userarr = file($file);
		/* 判断昵称是否重复 */
		foreach($userarr as $value){
			$tmparr = explode('#',$value);
			if($user == $tmparr[0]){
				$boo = true;
				break;
			}
		}
	}
	return $boo;
}
/* 将登录的用户昵称写入到文件中
 * 保存格式为:昵称#ip#登录时间
 * $file:保存文件地址
 * $user:昵称
 * $ip:登录IP
 * $sex:性别
 */
function addlogin($file,$user,$ip,$sex){
	$tmp = $user.'#'.$ip.'#'.$sex.chr(13).chr(10);
	$fp = fopen($file,'a');
	$boo = fwrite($fp,$tmp);
	fclose($fp);
	return $boo;
}
/* 将用户列表转为数组
 * $file:用户列表文件
 */
function storeuser($file){
	$tmparr = file($file);
	$userarr = array();
	foreach($tmparr as $value){
		$tmparr = explode('#',$value);
		$userarr[] = $tmparr[0].','.$tmparr[2];
	}
	return $userarr;
}
/* 将发言内容写入到文件中
 * $file:保存文件地址
 * $mess:保存内容
 */
function addmess($file,$mess){
	$fp = fopen($file,'a');
	$boo = fwrite($fp,$mess.chr(13).chr(10));
	fclose($fp);
	return boo;
}
/* 在文件中删掉用户
 * $file:保存文件地址
 * $user:要删除的用户
 */
function deluser($file,$user){
	$tmparr = file($file);
	$rearr = array();
	foreach($tmparr as $value){
		$tmp = explode('#',$value);
		if($tmp[0] != $user){
			$rearr[] = $value;
		}
	}
	$fp = fopen($file,'w+');
	foreach($rearr as $value){
		fwrite($fp,$value);
	}
	fclose($fp);
}
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