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Python生成EAN-13条形码

  • 2026-07-01 18:52:53
Python生成EAN-13条形码

Python生成EAN-13条形码

用 Python 生成标准的 EAN-13 商品条形码，保存为图片，再对图片进行色彩增强，最后显示出来。

1. barcode 是专门生成条形码的第三方库
EAN13：生成标准 13 位商品条形码的核心类
ImageWriter：把生成的条形码保存为图片文件（png 格式）
2. PIL（Python Imaging Library）是处理图片的库
Image：打开、显示图片
ImageEnhance：给图片调色、增强色彩 / 亮度
3. EAN-13 规则 必须输入 12 位纯数字，库会自动计算第 13 位校验码
陕西,54分钟前,
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  2. 运行时间 : 0.102880s [ 吞吐率：9.72req/s ] 内存消耗：4,359.01kb 文件加载：140
  3. 缓存信息 : 0 reads,0 writes
  4. 会话信息 : SESSION_ID=cf64709ac818b0663ecef2473be0a397
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  1. CONNECT:[ UseTime:0.000518s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.001019s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000348s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000269s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000652s ]
  6. SELECT * FROM `set` [ RunTime:0.000234s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000815s ]
  8. SELECT * FROM `article` WHERE `id` = 496778 LIMIT 1 [ RunTime:0.000487s ]
  9. UPDATE `article` SET `lasttime` = 1783027500 WHERE `id` = 496778 [ RunTime:0.013444s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.000428s ]
  11. SELECT * FROM `article` WHERE `id` < 496778 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.004404s ]
  12. SELECT * FROM `article` WHERE `id` > 496778 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000789s ]
  13. SELECT * FROM `article` WHERE `id` < 496778 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.006472s ]
  14. SELECT * FROM `article` WHERE `id` < 496778 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000817s ]
  15. SELECT * FROM `article` WHERE `id` < 496778 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.000778s ]
0.104425s