win32_printer
时间: 2023-12-16 20:05:39 浏览: 279
win32_printer 是 Windows 操作系统提供的一种用于管理打印机的 WMI 类。WMI(Windows Management Instrumentation)是 Windows 系统提供的一种管理接口,可以通过编程方式访问系统信息、配置和控制系统行为。win32_printer 类提供了打印机的各种属性,例如打印机名称、驱动程序名称、网络地址等。可以使用该类来列举系统中安装的打印机、获取打印机的状态、设置默认打印机等。在编写 Windows 应用程序时,可以使用 WMI API 调用该类中的方法来实现打印机管理功能。
相关问题
# 获取默认打印机名称 a = win32print.GetDefaultPrinter() handle = win32print.OpenPrinter(a) zt = win32print.GetPrinter(handle) hPrinter = win32print.OpenPrinter(a) dic = win32print.GetPrinter(hPrinter, 2)['Status'] # 判断是否脱机 if dic == win32print.PRINTER_STATUS_OFFLINE: print('默认打印机已脱机') else: print('默认打印机正常') 这段代码运行的结果为 默认打印机正常 但是 实际上默认打印机为脱机状态
可能是因为win32print.GetPrinter(handle, 2)['Status']
获取的状态不准确。你可以尝试使用win32print.GetPrinter(handle, 7)['Status']
来获取更准确的打印机状态。修改后的代码如下:
import win32print
a = win32print.GetDefaultPrinter()
handle = win32print.OpenPrinter(a)
zt = win32print.GetPrinter(handle)
hPrinter = win32print.OpenPrinter(a)
dic = win32print.GetPrinter(hPrinter, 7)['Status']
if dic == win32print.PRINTER_STATUS_OFFLINE:
print('默认打印机已脱机')
else:
print('默认打印机正常')
运行后,如果默认打印机处于脱机状态,则输出默认打印机已脱机
,否则输出默认打印机正常
。
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