如何检查我是否连接到服务器? Python 套接字
How do I check if I connected to the server? Python Sockets
我还没有测试过,但是如果不执行连接,最后这句话会被打印出来吗?
def connect_to():
print(f"[*] Connecting to {receiver_ip}:{receiver_port}")
socket.connect((receiver_ip, receiver_port))
print(f"[+] Connected")
如何检查我是否正确连接并做出正确的 if 语句?
使用 try except 来捕捉错误,如果连接成功
当套接字连接失败时,会引发socket.error
异常。您可以使用 Python.
中的某些 error handling techniques 捕获该特定错误
import socket
def connect(ip, port):
s = socket.socket()
try:
print(f"Connecting to {ip}:{port}")
s.connect((ip, port))
except socket.error as msg:
print(f"Failed to connect: {msg}")
else:
print(f"Successfully connected to {ip}:{port}")
How can I check if I connected properly and make a proper if statement?
如果在 try 块中捕获到指定的错误,将执行 except
块。另一方面,else
块将在没有引发或处理错误时执行。您可以将 except
块视为“if error”,将 else
块视为“if not error”。
或者,您可以捕获错误并使用自定义消息重新引发错误。
import socket
def connect(ip, port):
s = socket.socket()
try:
print(f"Connecting to {ip}:{port}")
s.connect((ip, port))
except socket.error as msg:
raise socket.error(f"Failed to connect: {msg}")
print(f"Successfully connected to {ip}:{port}")
通过抓牌和再加注,您不必再使用 else
块。
我还没有测试过,但是如果不执行连接,最后这句话会被打印出来吗?
def connect_to():
print(f"[*] Connecting to {receiver_ip}:{receiver_port}")
socket.connect((receiver_ip, receiver_port))
print(f"[+] Connected")
如何检查我是否正确连接并做出正确的 if 语句?
使用 try except 来捕捉错误,如果连接成功
当套接字连接失败时,会引发socket.error
异常。您可以使用 Python.
import socket
def connect(ip, port):
s = socket.socket()
try:
print(f"Connecting to {ip}:{port}")
s.connect((ip, port))
except socket.error as msg:
print(f"Failed to connect: {msg}")
else:
print(f"Successfully connected to {ip}:{port}")
How can I check if I connected properly and make a proper if statement?
如果在 try 块中捕获到指定的错误,将执行 except
块。另一方面,else
块将在没有引发或处理错误时执行。您可以将 except
块视为“if error”,将 else
块视为“if not error”。
或者,您可以捕获错误并使用自定义消息重新引发错误。
import socket
def connect(ip, port):
s = socket.socket()
try:
print(f"Connecting to {ip}:{port}")
s.connect((ip, port))
except socket.error as msg:
raise socket.error(f"Failed to connect: {msg}")
print(f"Successfully connected to {ip}:{port}")
通过抓牌和再加注,您不必再使用 else
块。