实用简单的mysql数据库连接类 |
时间:2015-01-23 来源:西部数据 作者:西部数据 |
|
- class DB
- {
-
- var $con = FALSE;
-
- function DB($MYSQL_HOST=MYSQL_HOST, $MYSQL_USER=MYSQL_USER, $MYSQL_PASS=MYSQL_PASS,$MYSQL_DB=MYSQL_DB)
- {
- $this->con = @mysql_connect($MYSQL_HOST, $MYSQL_USER, $MYSQL_PASS) or die("Could not connect to database");
-
- if ($this->con)
- {
- @mysql_select_db($MYSQL_DB, $this->con) or die ("Could not select database");
- }
-
- return $this->con;
- }
-
-
- function Query($sql, $tran = false)
- {
-
-
-
-
-
-
-
-
-
-
-
-
-
- $this->sql = $sql;
-
- if ($tran)
- {
- $this->result = @mysql_query($this->sql) OR $this->RollBack();
- return $this->result;
- }
- else
- {
- mysql_query("SET NAMES 'utf8'");
-
- $this->result = @mysql_query($this->sql);
- return $this->result;
- }
- }
-
-
- function RollBack()
- {
- $this->Query("ROLLBACK;");
- die("MySQL ROLLBACK;");
- }
-
-
- function NumRows($result)
- {
- $this->result = $result;
- return @mysql_num_rows($this->result);
- }
-
-
- function FetchRow($result)
- {
- $this->result = $result;
- return @mysql_fetch_row($this->result);
- }
-
-
- function FetchArray($result)
- {
- $this->result = $result;
- return @mysql_fetch_array($this->result, MYSQL_ASSOC);
- }
- function FetchArray2($result)
- {
- $this->result = $result;
- return @mysql_fetch_array($this->result, MYSQL_BOTH);
- }
-
-
- function FetchObject($result)
- {
- $this->result = $result;
- return @mysql_fetch_object($this->result);
- }
-
-
- function FreeResult($result)
- {
- $this->result = $result;
- return @mysql_free_result($this->result);
- }
-
- function DataSeek($result)
- {
-
- $this->result = $result;
- return mysql_data_seek($this->result,0);
- }
-
- function InsertID()
- {
-
- return @mysql_insert_id($this->con);
- }
- function Close()
- {
- if($this->con)
- {
- @mysql_close($this->con);
- }
- }
- }
|
|
|
|