PHP 的 MySQL 操作类，跟手册上的函数一样用，但是更方便了。多说无益，看了就知道了。

PHP 的 MySQL 操作类，跟手册上的函数一样用，但是更方便了。多说无益，看了就知道了。(1)

<?PHP
class DummyMySQLClass{

 var $DBHost = ''; /* 数据库主机名称 */
 var $DBUser = ''; /* 数据库用户名称 */
 var $DBPswd = ''; /* 数据库密码     */
 var $DBName = ''; /* 数据库名称     */

 var $Result = NULL; /* private */
 var $LinkId = NULL; /* private */
 var $Record = NULL; /* 包含一条记录的内容 */
 var $Rows   = 0;

 var $MustBeHalt = true; /* 有了错误立即停止 */
 var $RecordCase = NULL; /* 只在 nextRecord() 和 f()方法里出现 */

 function DummyMySQLClass($DBHost = '', $DBUser = '', $DBPswd = '', $DBName = '', $newLink = false){
  if(is_array($DBHost)){
   $DBHost  = $DBHost[0];
   $DBUser  = $DBHost[1];
   $DBPswd  = $DBHost[2];
   $DBName  = $DBHost[3];
   $newLink = empty($DBHost[4])?false:$DBHost[4];
  }elseif(str_replace(array("/", "@"), array("", ""), $DBHost) != $DBHost){
   $dsn = $this->splitDSN($DBHost);

   $DBTpye  = $dsn[0];
   $DBHost  = $dsn[1].":".$dsn[2];
   $DBUser  = $dsn[3];
   $DBPswd  = $dsn[4];
   $DBName  = $dsn[5];
   $newLink  = $dsn[6] == ''?$newLink:$dsn[6];
  }
  $this->DBHost = empty($DBHost)?$this->DBHost:$DBHost;
  $this->DBUser = empty($DBUser)?$this->DBUser:$DBUser;
  $this->DBPswd = empty($DBPswd)?$this->DBPswd:$DBPswd;
  $this->DBName = empty($DBName)?$this->DBName:$DBName;

  if(!empty($DBHost)){
   $this->connect($this->DBHost, $this->DBUser, $this->DBPswd, $newLink);
  }
  if(!empty($DBName)){