MySQL database php under MySQL database operation class changed from Discuz

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/* --------------------------------
System:pt book-pt novel Thief
Code: Jay Less Pakey
----------------------------------- */
$pt _mysql = new Dbquery;
/**
* MySQL Query class
*
*/
Class Dbquery {
/**
* Total number of queries
*
* @var int
*/
var $querynum = 0;
/**
* Connection Handle
*
* @var Object
*/
var $link;
/**
* Constructor function
*
* @param string $dbhost host name
* @param string $dbuser user
* @param string $DBPW password
* @param string $dbname database name
* @param int $pconnect Whether continuous connection
*/
Function Connect ($dbhost, $dbuser, $DBPW, $dbname = ", $pconnect = 0) {
if ($pconnect) {
if (! $this->link = @mysql_pconnect ($dbhost, $dbuser, $DBPW)) {
$this->halt (' Can not connect to MySQL server ');
}
} else {
if (! $this->link = @mysql_connect ($dbhost, $dbuser, $DBPW)) {
$this->halt (' Can not connect to MySQL server ');
}
}
if ($this->version () > ' 4.1 ') {
Global $dbcharset;
if ($dbcharset) {
mysql_query ("SET character_set_c character_set_results= $dbcharset, character_set_client=binary", $this->link);
mysql_query ("Set names ' GBK '");
}
if ($this->version () > ' 5.0.1 ') {
mysql_query ("SET sql_mode=", $this->link);
mysql_query ("Set names ' GBK '");
}
}
if ($dbname) {
mysql_select_db ($dbname, $this->link);
}
}
/**
* Select Database
*
* @param string $dbname
* @return
*/
function select_db ($dbname) {
Return mysql_select_db ($dbname, $this->link);
}
/**
* Take out a record in the result set
*
* @param object $query
* @param int $result _type
* @return Array
*/
function Fetch_array ($query, $result _type = Mysql_assoc) {
Return mysql_fetch_array ($query, $result _type);
}
/**
* Query sql
*
* @param string $sql
* @param string $type
* @return Object
*/
function query ($sql, $type = ") {
$func = $type = = ' unbuffered ' && @function_exists (' Mysql_unbuffered_query ')?
' Mysql_unbuffered_query ': ' mysql_query ';
if (! ( $query = $func ($sql, $this->link)) && $type! = ' SILENT ') {
$this->halt (' MySQL Query Error ', $sql);
}
$this->querynum++;
return $query;
}
/**
* Take the number of affected bars
*
* @return int
*/
function Affected_rows () {
Return Mysql_affected_rows ($this->link);
}
/**
* Return error message
*
* @return Array
*/
Function error () {
Return ($this->link) mysql_error ($this->link): Mysql_error ());
}
/**
* Return error code
*
* @return int
*/
function errno () {
Return Intval ($this->link) Mysql_errno ($this->link): Mysql_errno ());
}
/**
* Return Query Results
*
* @param object $query
* @param string $row
* @return Mixed
*/
function result ($query, $row) {
$query = @mysql_result ($query, $row);
return $query;
}
/**
* Number of result bars
*
* @param object $query
* @return int
*/
function Num_rows ($query) {
$query = mysql_num_rows ($query);
return $query;
}
/**
* Fetch the total number of fields
*
* @param object $query
* @return int
*/
function Num_fields ($query) {
Return Mysql_num_fields ($query);
}
/**
* Release result set
*
* @param object $query
* @return BOOL
*/
function Free_result ($query) {
Return Mysql_free_result ($query);
}
/**
* Returns the self-increment ID
*
* @return int
*/
function insert_id () {
return ($id = mysql_insert_id ($this->link)) >= 0? $id: $this->result ($this->query ("Select last_insert_id ()"), 0);
}
/**
* Get a row from the result set as an enumerated array
*
* @param object $query
* @return Array
*/
function Fetch_row ($query) {
$query = Mysql_fetch_row ($query);
return $query;
}
/**
* Get column information from the result set and return as an object
*
* @param object $query
* @return Object
*/
function Fetch_fields ($query) {
Return Mysql_fetch_field ($query);
}
/**
* Return to MySQL version
*
* @return String
*/
Function version () {
Return Mysql_get_server_info ($this->link);
}
/**
* Close Connection
*
* @return BOOL
*/
function Close () {
Return Mysql_close ($this->link);
}
/**
* Output error message
*
* @param string $message
* @param string $sql
*/
function Halt ($message = ', $sql = ') {
Echo $message. ' ' . $sql;
Exit
}
}
?>

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