生成不同格式的条形码
条形码是用一连串竖条和间隔表示 alpha、数字或字母数字数据的图形表示. 条形码打印在商品上并用于库存管理.
| In[1]:= |  X |
| In[2]:= |  X |
| Out[2]= |  |
| Out[3]//TraditionalForm= | |
 | |
一个二维条形码储存了水平和垂直的信息. 这与一维条形码相似，但有更多的数据表示能力.
| In[3]:= |  X |
| In[4]:= |  X |
| Out[4]= |  |
| Out[7]//TraditionalForm= | |
 | |
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