下面来看看php 如何导入.sql文件的代码

if(!defined('WEBROOT')) {
die('Access Denied!');
}
class dbsql {
var $dblink = NULL;
var $queryCount = 0;

function dbconnect($dbserver, $dbuser, $dbpwd, $dbname = '', $pconnect = 0, $charset = 'utf8') {
if($pconnect) {
if(!$this->dblink = @mysql_pconnect($dbserver, $dbuser, $dbpwd)) {
$this->msghalt('Can not connect to MySQL server');
}
} else {
if(!$this->dblink = @mysql_connect($dbserver, $dbuser, $dbpwd)) {
$this->msghalt('Can not connect to MySQL server');
}
}

/* if($this->version() > '4.1') {
global $charset, $dbcharset;
if(!$dbcharset && in_array(strtolower($charset), array('gbk', 'big5', 'utf-8'))) {
$dbcharset = str_replace('-', '', $charset);
}

if($dbcharset) {
@mysql_query("SET character_set_connection=$dbcharset, character_set_results=$dbcharset, character_set_client=binary", $this->dblink);
}

if($this->version() > '5.0.1') {
@mysql_query("SET sql_mode=''", $this->dblink);
}
} */

@mysql_query('set names "utf8"');

if($dbname) {
if(!mysql_select_db($dbname, $this->dblink)) {
$this->msghalt('Can not connect to MySQL server');
}
}
}

function select_db($dbname) {
return @mysql_select_db($dbname, $this->dblink);
}

function query($sql = '') {
if($sql) {
if(!($query = mysql_query($sql,$this->dblink))) {
$this->msghalt("MYSQL Query Error!n $sql");
} else {
$this->queryCount++;
return $query;
}
} else {
return false;
}
}

function unb_query($sql = '') {
if($sql) {
if(!($query = mysql_unbuffered_query($sql,$this->dblink))) {
$this->msghalt('MYSQL Query Error!
'.$sql.'
');
} else {
$this->queryCount++;
return $query;
}
} else {
return false;
}
}

function fetch_array($query, $result_type = MYSQL_ASSOC) {
return mysql_fetch_array($query, $result_type);
}

function fetch_one($sql) {
return $this->fetch_array($this->query($sql));
}

function affected_rows() {
return mysql_affected_rows($this->dblink);
}

function num_rows($query, $q = 1)
{
if($q == 1) {
return mysql_num_rows($query);
} else {
return mysql_num_rows($this->query($query));
}
//return $query;
}

function result($query, $row) {
$query = @mysql_result($query, $row);
return $query;
}

function num_row($query) {//暂时没用
return mysql_num_rows($query);
}

function free_result($query) {
return mysql_free_result($query);
}

function insert_id() {
return ($id = mysql_insert_id($this->dblink)) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"));
}

function num_fields($query) {
return mysql_num_fields($query);
}

function version() {
return mysql_get_server_info($this->dblink);
}

function close() {
return mysql_close($this->dblink);
}

function insert_data($tname, $data) {
$values = '';
$filed = implode(',', array_keys($data));
$filednum = count($data) - 1;
//echo $filednum;
$i = 0;

foreach($data as $key => $val) {
$values .= "'".$val."'";
if($i < $filednum) {
$i++;
$values .= ',';
}
}
$sql = "INSERT INTO ".$tname." (".$filed.") VALUES(".$values.")";
return $this->unb_query($sql);
}

function update_data($tname, $fid, $data, $whereid = 'id') {
$col = array();
foreach($data as $key => $values)
{
$col[] = $key."='".$values."'";

}
$sql = "UPDATE ".$tname." SET ".implode(',', $col)." WHERE $whereid='$fid'";
return $this->unb_query($sql);
}

function error() {
return (($this->dblink) ? mysql_error($this->dblink) : mysql_error());
}

function errno() {
return intval(($this->dblink) ? mysql_errno($this->dblink) : mysql_errno());
}

function msghalt($msg = '') {
$message = "nn";
$message .= "n";
$message .= "n";
$message .= "

n";
$message .= "n";

$message .= "

Datebase Error:

".htmlspecialchars($msg)."

n";
$message .= "Mysql error number: ".$this->errno()."n
";
$message .= "Mysql error description: ".htmlspecialchars($this->error())."n
";
$message .= "Date: ".date("Y-m-d @ H:i")."n
";
$message .= "Script: http://".$_SERVER['HTTP_HOST'].$_SERVER['PHP_SELF'] .'?'.$_SERVER['QUERY_STRING']."n
";

$message .= "n";
echo $message;
exit;
}
}

/**********************
$sb = new dbsql();
$sb->dbconnect('localhost','root','','fdwp');
echo 'fdfd';
****************************/
?>