this.View.Model.GetEntryPKValue("FSaleOrderEntry", 0); #获取明细行ID,"FSaleOrderEntry" 为单据明细标识+“0”即行下标,一般需配合使用循环。1、按钮被点击 def ButtonClick(e): #注意:默认 e.Key 是大写,需将我们的按钮标识转换为大写,或者lower 统一转换为小写 e.Key.lower() if e.Key.ToUpperInva...
import asyncio async def my_coroutine(): try: # 异步操作 await asyncio.sleep(1) raise ValueError("An error occurred") except ValueError as e: print(f"Caught an exception: {e}") async def main(): task = asyncio.ensure_future(my_coroutine()) await asyncio.gather(task) if __name__ =...
The last line of the error message indicates what happened. Exceptions come in different types, and the type is printed as part of the message: the types in the example areZeroDivisionError,NameErrorandTypeError. The string printed as the exception type is the name of the built-in exception t...
如果未安装 Python,安装 Python 的最简单方法是使用发行版的默认包管理器,如apt-get,yum等。通过在终端中输入以下命令来安装 Python: 对于Debian / Ubuntu Linux / Kali Linux 用户,请使用以下命令: $ sudo apt-get install python2 对于Red Hat / RHEL / CentOS Linux 用户,请使用以下命令: $sudo yum insta...
except Exception as e: print(f"An error occurred: {e}") # 可选:决定是否重新抛出异常 # raise for result in divide_sequence([1, 2, 3], 0): print(result)5.2 提高yield代码性能与可维护性的策略 5.2.1 合理利用生成器节省内存 生成器的核心优势在于其惰性计算特性 ,只在需要时生成数据,大大减少...
return ERR return OK def get_file_list_cur(types=0): filelist = [] fileNames = glob.glob(FLASH_HOME_PATH + r"/*.*") try: for fileName in fileNames: name = os.path.basename(fileName) filelist.append(name) except Exception as reason: logging.error("Failed to get file list! reas...
defspam(number1,number2):returnnumber1/(number2-42)spam(101,42) 运行该程序时,输出应该如下所示: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Traceback(most recent call last):File"zeroDivideTraceback.py",line4,in<module>spam(101,42)File"zeroDivideTraceback.py",line2,inspamreturnnumbe...
print("get {0} from queue EVEN, thread name is {1}".format(number, self.getName())) else: self.queue.put(number) # 如果获取的消息不是偶数,就接着把它放回队列中 time.sleep(1) except Exception as e: raise e class Consumer_odd(Thread): ...
defget(url): try: response=requests.get(url,timeout=3)#超过3秒未下载成功则触发ConnectTimeout异常 res=response.text exceptConnectTimeout: print('连接请求超时') res=None exceptException: print('网络出现其他异常') res=None returnres get('https://www.pytho...
open(pdf)forpageindoc:pix=page.getPixmap(alpha=False)pix.writePNG('page-%i.png'%page.number)...