本文实例讲述了php实现生成code128条形码的方法。分享给大家供大家参考,具体如下:

效果图:

php实现生成code128条形码的方法详解

<"212222","222122","222221","121223","121322","131222","122213","122312","132212","221213","221312","231212","112232","122132","122231","113222","123122","123221","223211","221132","221231","213212","223112","312131","311222","321122","321221","312212","322112","322211","212123","212321","232121","111323","131123","131321","112313","132113","132311","211313","231113","231311","112133","112331","132131","113123","113321","133121","313121","211331","231131","213113","213311","213131","311123","311321","331121","312113","312311","332111","314111","221411","431111","111224","111422","121124","121421","141122","141221","112214","112412","122114","122411","142112","142211","241211","221114","413111","241112","134111","111242","121142","121241","114212","124112","124211","411212","421112","421211","212141","214121","412121","111143","111341","131141","114113","114311","411113","411311","113141","114131","311141","411131","211412","211214","211412","2331112");
  private $valid_code = -1;
  private $type ='B';
  private $start_codes =array('A'=>self::STARTA,'B'=>self::STARTB,'C'=>self::STARTC);
  private $code ='';
  private $bin_code ='';
  private $text ='';
  public function __construct($code='',$text='',$type='B')
  {
    if (in_array($type,array('A','B','C')))
      $this->setType($type);
    else
      $this->setType('B');
    if ($code !=='')
      $this->setCode($code);
    if ($text !=='')
      $this->setText($text);
  }
  public function setUnitWidth($unit_width)
  {
    $this->unit_width = $unit_width;
    $this->quiet_zone = $this->unit_width*6;
    $this->font_height = $this->unit_width*15;
    if (!$this->is_set_height)
    {
      $this->heith = $this->unit_width*35;
    }
  }
  public function setFontType($font_type)
  {
    $this->font_type = $font_type;
  }
  public function setBgcolor($bgcoloe)
  {
    $this->bgcolor = $bgcoloe;
  }
  public function setColor($color)
  {
    $this->color = $color;
  }
  public function setCode($code)
  {
    if ($code !='')
    {
      $this->code= $code;
      if ($this->text ==='')
        $this->text = $code;
    }
  }
  public function setText($text)
  {
    $this->text = $text;
  }
  public function setType($type)
  {
    $this->type = $type;
  }
  public function setHeight($height)
  {
    $this->height = $height;
    $this->is_set_height = true;
  }
  private function getValueFromChar($ch)
  {
    $val = ord($ch);
    try
    {
      if ($this->type =='A')
      {
        if ($val > 95)
          throw new Exception(' illegal barcode character '.$ch.' for code128A in '.__FILE__.' on line '.__LINE__);
        if ($val < 32)
          $val += 64;
        else
          $val -=32;
      }
      elseif ($this->type =='B')
      {
        if ($val < 32 || $val > 127)
          throw new Exception(' illegal barcode character '.$ch.' for code128B in '.__FILE__.' on line '.__LINE__);
        else
          $val -=32;
      }
      else
      {
        if (!is_numeric($ch) || (int)$ch < 0 || (int)($ch) > 99)
          throw new Exception(' illegal barcode character '.$ch.' for code128C in '.__FILE__.' on line '.__LINE__);
        else
        {
          if (strlen($ch) ==1)
            $ch .='0';
          $val = (int)($ch);
        }
      }
    }
    catch(Exception $ex)
    {
      errorlog('die',$ex->getMessage());
    }
    return $val;
  }
  private function parseCode()
  {
    $this->type=='C'"Content-Type: image/".$image_type);
    }
    switch ($image_type)
    {
      case 'jpg':
      case 'jpeg':
        Imagejpeg($this->image,$file_name);
        break;
      case 'png':
        Imagepng($this->image,$file_name);
        break;
      case 'gif':
        break;
        Imagegif($this->image,$file_name);
      default:
        Imagepng($this->image,$file_name);
        break;
    }
  }
}
$barcode = new BarCode128('88888888');
$barcode->createBarCode();
"_blank" href="http://www.barcodebakery.com/" rel="external nofollow" >http://www.barcodebakery.com/

php实现生成code128条形码的方法详解

PS:这里再为大家推荐一款相似的条形码生成工具供大家参考使用:

在线条形码(一维码)生成/实时预览工具:
http://tools.jb51.net/aideddesign/tiaoxingma

更多关于PHP相关内容感兴趣的读者可查看本站专题:《PHP图形与图片操作技巧汇总》、《PHP数组(Array)操作技巧大全》、《PHP数据结构与算法教程》、《php程序设计算法总结》、《PHP数学运算技巧总结》、《php字符串(string)用法总结》及《php常见数据库操作技巧汇总》

希望本文所述对大家PHP程序设计有所帮助。

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