Question

我为医生办公室拿到了这些标签，他们必须打印出来。通过自定义C＃Outlook右键单击日历菜单加载项进行打印，因此不使用本地打印机。此外，这个PHP设置早在我的时间之前就建立了，并且没有为客户端重写。

ArrivalHelper.php系统调用下面的脚本“PrintersMgmt.php”，然后调用PinnaclePDO.php连接到在Ubuntu服务器上运行的MySQL实例以查找办公地点（在这个例子中，locID是2）然后找到该MySQL表中的打印机以及托管它的服务器（在本例中为cc-fp2）并将该信息发送回打印。

我需要找到一种方法来做得更好。我想过用JavaScript打开一个打印对话框，但我不知道如何在这里实现。有人可以给PHP noob一些指针吗？

<?php

class PrintersMgmt {
  const PRINT_ALL_LABELS    = 0x1;
  const PRINT_ONE_LABEL     = 0x10;
  const PRINT_PASSPORT      = 0x100;
  const PRINT_REFERRAL      = 0x1000;

  const PRINTER_TYPE_LETTER = 1;
  const PRINTER_TYPE_LABEL  = 2;

  const
    ARRIVAL_URL = 'http://localhost/arrival.php';

  const QUERY_GET_PRINTER_BY_LOC_TYPE =
    'SELECT * FROM LocationPrinters
     WHERE locID = :loc AND printerType = :type
     ORDER BY printerPriority
      LIMIT 1';

  private $dbh;

  public function __construct() {
    $this->dbh = new PinnaclePDO();
  }

  public function getByLocationType( $loc, $type ) {
    $stmt = $this->dbh->prepare( self::QUERY_GET_PRINTER_BY_LOC_TYPE );
    $stmt->bindValue( ':loc', $loc );
    $stmt->bindValue( ':type', $type );
    $stmt->execute();

    return $stmt->fetch();
  }

  public function printPassport( $locId, $hin, $date, $userName, $method ) {

    $printFlags = $this->getPrintFlags($method);
    $referral = ( ! ($printFlags & self::PRINT_REFERRAL) == 0 );
    $passport = ( ! ($printFlags & self::PRINT_PASSPORT) == 0 );

    $printer = $this->getByLocationType( $locId, 1 );
    if ( $printer ) {
      $cmd = '.\firefox.exe';
      $args = sprintf(
         ' -print "%s?method=%s&hin=%s&user=%s&referral=%d&passport=%d"' .
         ' -printprinter "\\\\' . $printer[ 'printerHost' ] . '\\' . $printer[ 'printerName' ] .'"',
        self::ARRIVAL_URL, 'listconfirmed',
        $hin, urlencode( $userName ), $referral, $passport
        );

      if ( isset( $_GET[ 'debug' ] ) ) {
        print "Print with args: '$cmd $args'<br/>";
      }

      chdir( "C:/Program Files/Mozilla Firefox2/" );
            shell_exec($cmd.$args);
    }
    return true;
  }

  public function printLabel( $locId, $hin, $date, $method ) {

    $printFlags = $this->getPrintFlags($method);
    $printer = $this->getByLocationType( $locId, 2 );
    $number = ( ( $printFlags & self::PRINT_ONE_LABEL ) == 0 ) ? 'all' : 'one' ;
    $cmd = 'LabelPrinter.exe';
    $args = sprintf(
       ' /print %s %s "%s" %s',
       $hin, $date, $printer[ 'printerName' ], $number );

    if ( isset( $_GET[ 'debug' ] ) ) {
      print sprintf( 'Printing \'%s\' labels \'%s %s\'<br/>',
              $number, $cmd, $args  );
    } else {
      chdir( "C:/Program Files/(truncated)/(truncated) Tools" );
      shell_exec( $cmd . $args);
    }
    return true;
  }

  public function getPrintFlags( $arriveMethod ) {
    $printFlags = 0x1101;
    switch ( $arriveMethod ) {
      case 'arrive':
        $printFlags =
          ( self::PRINT_ALL_LABELS
              | self::PRINT_PASSPORT
              | self::PRINT_REFERRAL );
        break;
      case 'reprintpassport':
        $printFlags = self::PRINT_PASSPORT;
        break;
      case 'reprintreferral':
        $printFlags = self::PRINT_REFERRAL;
        break;
      case 'reprintlabel':
        $printFlags = self::PRINT_ONE_LABEL;
        break;
      default:
        $printFlags = null;
    }
    return $printFlags;
  }

}

?>

PHP打印使用一些MySQL连接不能正常工作，有没有更好的方法？

0 个答案: