python 如何brother_ql打印标签
时间: 2024-03-03 16:48:12 浏览: 270
使用Python的brother_ql库可以轻松实现对Brother QL系列打印机的控制,包括打印标签、切割标签等。具体步骤如下:
1. 安装brother_ql库
可以使用pip命令来安装brother_ql库,命令如下:
```
pip install brother_ql
```
2. 创建Brother QL打印机对象
使用brother_ql库的create_printer函数来创建Brother QL打印机对象。需要指定打印机的型号和连接方式(USB或网络),示例代码如下:
```python
from brother_ql import BrotherQLRaster
from brother_ql.backends import backend_factory
# 创建打印机对象
printer_model = "QL-700"
printer_connection = "usb://0x04f9:0x2042"
backend = backend_factory(prn_type=printer_model, connection_string=printer_connection)
printer = BrotherQLRaster(backend)
```
3. 打印标签
通过BrotherQLRaster对象的print_label函数来打印标签。需要指定标签的大小、内容和打印方向,示例代码如下:
```python
from brother_ql.conversion import convert
from brother_ql.backends.helpers import send
# 打印标签
label_size = "62mm"
label_content = "This is a test label."
label_direction = "rotate"
# 将标签内容转换为打印数据
label_data = convert(label_content, label_size, label_direction)
# 发送打印数据到打印机
send(printer_model, printer_connection, label_data)
```
以上代码会将一条测试标签打印到Brother QL打印机上。需要注意的是,具体的标签大小、内容和打印方向需要按照Brother QL打印机的标签格式进行编写。
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