php產生code128條碼實例分享-php教程-PHP中文網

首頁

後端開發

php教程

php產生code128條碼實例分享

小云云

Feb 06, 2018 am 10:40 AM

php 條碼

本文主要和大家介紹php實作產生code128條碼的方法,結合完整實例形式給了php條碼產生類別的定義與使用方法,需要的朋友可以參考下，希望能幫助大家。

效果圖:

<?php
class BarCode128 {
  const STARTA = 103;
  const STARTB = 104;
  const STARTC = 105;
  const STOP = 106;
  private $unit_width = 1; //单位宽度 缺省1个象素
  private $is_set_height = false;
  private $width = -1;
  private $heith = 35;
  private $quiet_zone = 6;
  private $font_height = 15;
  private $font_type = 4;
  private $color =0x000000;
  private $bgcolor =0xFFFFFF;
  private $image = null;
  private $codes = array("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 =&#39;B&#39;;
  private $start_codes =array(&#39;A&#39;=>self::STARTA,&#39;B&#39;=>self::STARTB,&#39;C&#39;=>self::STARTC);
  private $code =&#39;&#39;;
  private $bin_code =&#39;&#39;;
  private $text =&#39;&#39;;
  public function __construct($code=&#39;&#39;,$text=&#39;&#39;,$type=&#39;B&#39;)
  {
    if (in_array($type,array(&#39;A&#39;,&#39;B&#39;,&#39;C&#39;)))
      $this->setType($type);
    else
      $this->setType(&#39;B&#39;);
    if ($code !==&#39;&#39;)
      $this->setCode($code);
    if ($text !==&#39;&#39;)
      $this->setText($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 !=&#39;&#39;)
    {
      $this->code= $code;
      if ($this->text ===&#39;&#39;)
        $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 ($this->type ==&#39;A&#39;)
      {
        if ($val > 95)
          throw new Exception(&#39; illegal barcode character &#39;.$ch.&#39; for code128A in &#39;.__FILE__.&#39; on line &#39;.__LINE__);
        if ($val < 32)
          $val += 64;
        else
          $val -=32;
      }
      elseif ($this->type ==&#39;B&#39;)
      {
        if ($val < 32 || $val > 127)
          throw new Exception(&#39; illegal barcode character &#39;.$ch.&#39; for code128B in &#39;.__FILE__.&#39; on line &#39;.__LINE__);
        else
          $val -=32;
      }
      else
      {
        if (!is_numeric($ch) || (int)$ch < 0 || (int)($ch) > 99)
          throw new Exception(&#39; illegal barcode character &#39;.$ch.&#39; for code128C in &#39;.__FILE__.&#39; on line &#39;.__LINE__);
        else
        {
          if (strlen($ch) ==1)
            $ch .=&#39;0&#39;;
          $val = (int)($ch);
        }
      }
    }
    catch(Exception $ex)
    {
      errorlog(&#39;die&#39;,$ex->getMessage());
    }
    return $val;
  }
  private function parseCode()
  {
    $this->type==&#39;C&#39;?$step=2:$step=1;
    $val_sum = $this->start_codes[$this->type];
    $this->width = 35;
    $this->bin_code = $this->codes[$val_sum];
    for($i =0;$i<strlen($this->code);$i+=$step)
    {
      $this->width +=11;
      $ch = substr($this->code,$i,$step);
      $val = $this->getValueFromChar($ch);
      $val_sum += $val;
      $this->bin_code .= $this->codes[$val];
    }
    $this->width *=$this->unit_width;
    $val_sum = $val_sum%103;
    $this->valid_code = $val_sum;
    $this->bin_code .= $this->codes[$this->valid_code];
    $this->bin_code .= $this->codes[self::STOP];
  }
  public function getValidCode()
  {
    if ($this->valid_code == -1)
      $this->parseCode();
    return $this->valid_code;
  }
  public function getWidth()
  {
    if ($this->width ==-1)
      $this->parseCode();
    return $this->width;
  }
  public function getHeight()
  {
    if ($this->width ==-1)
      $this->parseCode();
    return $this->height;
  }
  public function createBarCode($image_type =&#39;png&#39;,$file_name=null)
  {
    $this->parseCode();
    $this->image = ImageCreate($this->width+2*$this->quiet_zone,$this->heith + $this->font_height);
    $this->bgcolor = imagecolorallocate($this->image,$this->bgcolor >> 16,($this->bgcolor >> 8)&0x00FF,$this->bgcolor & 0xFF);
    $this->color = imagecolorallocate($this->image,$this->color >> 16,($this->color >> 8)&0x00FF,$this->color & 0xFF);
    ImageFilledRectangle($this->image, 0, 0, $this->width + 2*$this->quiet_zone,$this->heith + $this->font_height, $this->bgcolor);
    $sx = $this->quiet_zone;
    $sy = $this->font_height -1;
    $fw = 10; //編號為2或3的字體的寬度為10，為4或5的字體寬度為11
    if ($this->font_type >3)
    {
      $sy++;
      $fw=11;
    }
    $ex = 0;
    $ey = $this->heith + $this->font_height - 2;
    for($i=0;$i<strlen($this->bin_code);$i++)
    {
      $ex = $sx + $this->unit_width*(int) $this->bin_code{$i} -1;
      if ($i%2==0)
        ImageFilledRectangle($this->image, $sx, $sy, $ex,$ey, $this->color);
      $sx =$ex + 1;
    }
    $t_num = strlen($this->text);
    $t_x = $this->width/$t_num;
    $t_sx = ($t_x -$fw)/2;    //目的为了使文字居中平均分布
    for($i=0;$i<$t_num;$i++)
    {
      imagechar($this->image,$this->font_type,6*$this->unit_width +$t_sx +$i*$t_x,0,$this->text{$i},$this->color);
    }
    if (!$file_name)
    {
      header("Content-Type: image/".$image_type);
    }
    switch ($image_type)
    {
      case &#39;jpg&#39;:
      case &#39;jpeg&#39;:
        Imagejpeg($this->image,$file_name);
        break;
      case &#39;png&#39;:
        Imagepng($this->image,$file_name);
        break;
      case &#39;gif&#39;:
        break;
        Imagegif($this->image,$file_name);
      default:
        Imagepng($this->image,$file_name);
        break;
    }
  }
}
$barcode = new BarCode128(&#39;88888888&#39;);
$barcode->createBarCode();
?>

登入後複製

附加一個強大的條碼產生擴充包：
http:// www.barcodebakery.com/

熱AI工具

熱工具

熱門話題

gmail信箱登陸入口在哪裡

7700

Java教學

1640

CakePHP 教程

1393

Laravel 教程

1287

PHP教程

1230

Related knowledge

適用於 Ubuntu 和 Debian 的 PHP 8.4 安裝和升級指南 Dec 24, 2024 pm 04:42 PM

PHP 8.4 帶來了多項新功能、安全性改進和效能改進，同時棄用和刪除了大量功能。本指南介紹如何在 Ubuntu、Debian 或其衍生版本上安裝 PHP 8.4 或升級到 PHP 8.4

我後悔之前不知道的 7 個 PHP 函數 Nov 13, 2024 am 09:42 AM

如果您是經驗豐富的PHP 開發人員，您可能會感覺您已經在那裡並且已經完成了。操作

如何設定 Visual Studio Code (VS Code) 進行 PHP 開發 Dec 20, 2024 am 11:31 AM

Visual Studio Code，也稱為 VS Code，是一個免費的原始碼編輯器 - 或整合開發環境 (IDE) - 可用於所有主要作業系統。 VS Code 擁有大量針對多種程式語言的擴展，可以輕鬆編寫

在PHP API中說明JSON Web令牌（JWT）及其用例。 Apr 05, 2025 am 12:04 AM

JWT是一種基於JSON的開放標準，用於在各方之間安全地傳輸信息，主要用於身份驗證和信息交換。 1.JWT由Header、Payload和Signature三部分組成。 2.JWT的工作原理包括生成JWT、驗證JWT和解析Payload三個步驟。 3.在PHP中使用JWT進行身份驗證時，可以生成和驗證JWT，並在高級用法中包含用戶角色和權限信息。 4.常見錯誤包括簽名驗證失敗、令牌過期和Payload過大，調試技巧包括使用調試工具和日誌記錄。 5.性能優化和最佳實踐包括使用合適的簽名算法、合理設置有效期、

php程序在字符串中計數元音 Feb 07, 2025 pm 12:12 PM

字符串是由字符組成的序列，包括字母、數字和符號。本教程將學習如何使用不同的方法在PHP中計算給定字符串中元音的數量。英語中的元音是a、e、i、o、u，它們可以是大寫或小寫。什麼是元音？元音是代表特定語音的字母字符。英語中共有五個元音，包括大寫和小寫： a, e, i, o, u 示例 1 輸入：字符串 = "Tutorialspoint" 輸出：6 解釋字符串 "Tutorialspoint" 中的元音是 u、o、i、a、o、i。總共有 6 個元

您如何在PHP中解析和處理HTML/XML？ Feb 07, 2025 am 11:57 AM

本教程演示瞭如何使用PHP有效地處理XML文檔。 XML（可擴展的標記語言）是一種用於人類可讀性和機器解析的多功能文本標記語言。它通常用於數據存儲

解釋PHP中的晚期靜態綁定（靜態：:)。 Apr 03, 2025 am 12:04 AM

靜態綁定（static::）在PHP中實現晚期靜態綁定（LSB），允許在靜態上下文中引用調用類而非定義類。 1）解析過程在運行時進行，2）在繼承關係中向上查找調用類，3）可能帶來性能開銷。

什麼是PHP魔術方法（__ -construct，__destruct，__call，__get，__ set等）並提供用例？ Apr 03, 2025 am 12:03 AM

PHP的魔法方法有哪些？ PHP的魔法方法包括：1.\_\_construct，用於初始化對象；2.\_\_destruct，用於清理資源；3.\_\_call，處理不存在的方法調用；4.\_\_get，實現動態屬性訪問；5.\_\_set，實現動態屬性設置。這些方法在特定情況下自動調用，提升代碼的靈活性和效率。

See all articles

php產生code128條碼實例分享

熱AI工具

Undresser.AI Undress

AI Clothes Remover

Undress AI Tool

Clothoff.io

Video Face Swap

熱門文章

熱工具

記事本++7.3.1

SublimeText3漢化版

禪工作室 13.0.1

Dreamweaver CS6

SublimeText3 Mac版

熱門話題