{"id":1111615,"date":"2025-01-08T17:31:03","date_gmt":"2025-01-08T09:31:03","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1111615.html"},"modified":"2025-01-08T17:31:06","modified_gmt":"2025-01-08T09:31:06","slug":"python%e5%a6%82%e4%bd%95%e6%95%b4%e5%9e%8b%e8%bd%ac%e6%8d%a2%e8%bd%ac%e6%8d%a2%e5%86%85%e5%ad%98%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1111615.html","title":{"rendered":"python\u5982\u4f55\u6574\u578b\u8f6c\u6362\u8f6c\u6362\u5185\u5b58\u6570\u636e\u7c7b\u578b"},"content":{"rendered":"

\"python\u5982\u4f55\u6574\u578b\u8f6c\u6362\u8f6c\u6362\u5185\u5b58\u6570\u636e\u7c7b\u578b\"<\/p>\n

Python\u6574\u578b\u8f6c\u6362\u5982\u4f55\u8f6c\u6362\u5185\u5b58\u6570\u636e\u7c7b\u578b<\/strong><\/p>\n<\/p>\n

\u5728Python\u7f16\u7a0b\u4e2d\uff0c\u6574\u578b\u8f6c\u6362\u548c\u5185\u5b58\u6570\u636e\u7c7b\u578b\u7684\u8f6c\u6362\u662f\u5e38\u89c1\u7684\u64cd\u4f5c\u3002\u4e3b\u8981\u7684\u65b9\u6cd5\u6709\uff1a\u4f7f\u7528\u5185\u7f6e\u51fd\u6570int()\u3001\u4f7f\u7528struct\u6a21\u5757\u3001\u4f7f\u7528numpy\u5e93\u3002int()\u51fd\u6570\u7b80\u5355\u5feb\u6377\u3001struct\u6a21\u5757\u529f\u80fd\u5f3a\u5927\u3001numpy\u5e93\u9002\u7528\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406<\/strong>\u3002\u5176\u4e2d\uff0cstruct\u6a21\u5757\u5728\u5904\u7406\u5185\u5b58\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u65f6\u975e\u5e38\u5f3a\u5927\u4e14\u7075\u6d3b\u3002<\/p>\n<\/p>\n

\u4e00\u3001int()\u51fd\u6570\u8f6c\u6362<\/h3>\n<\/p>\n

1. \u57fa\u672c\u7528\u6cd5<\/h4>\n<\/p>\n

Python\u5185\u7f6e\u7684int()\u51fd\u6570\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u6216\u5176\u4ed6\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

number_str = "123"<\/p>\n
number_int = int(number_str)<\/p>\n
print(number_int)  # \u8f93\u51fa\uff1a123<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u7b80\u5355\u5feb\u6377\uff0c\u9002\u7528\u4e8e\u57fa\u672c\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<\/p>\n
2. \u5e26\u8fdb\u5236\u7684\u8f6c\u6362<\/h4>\n<\/p>\n
int()\u51fd\u6570\u8fd8\u53ef\u4ee5\u5c06\u4e0d\u540c\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u6574\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
binary_str = "1101"<\/p>\n
number_int = int(binary_str, 2)<\/p>\n
print(number_int)  # \u8f93\u51fa\uff1a13<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u5e26\u8fdb\u5236\u7684\u5b57\u7b26\u4e32\u4e5f\u53ef\u4ee5\u901a\u8fc7int()\u51fd\u6570\u8f7b\u677e\u8f6c\u6362\u4e3a\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001struct\u6a21\u5757\u8f6c\u6362<\/h3>\n<\/p>\n
1. \u57fa\u672c\u4ecb\u7ecd<\/h4>\n<\/p>\n
struct\u6a21\u5757\u7528\u4e8e\u5728Python\u548cC\u4e4b\u95f4\u8fdb\u884c\u4e8c\u8fdb\u5236\u6570\u636e\u7684\u8f6c\u6362\u3002\u5b83\u53ef\u4ee5\u5c06Python\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3aC\u8bed\u8a00\u7684\u7ed3\u6784\u4f53\u7c7b\u578b\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002<\/p>\n<\/p>\n
2. pack\u548cunpack\u65b9\u6cd5<\/h4>\n<\/p>\n
struct\u6a21\u5757\u7684pack()\u65b9\u6cd5\u53ef\u4ee5\u5c06Python\u6570\u636e\u7c7b\u578b\u6253\u5305\u4e3a\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u800cunpack()\u65b9\u6cd5\u5219\u53ef\u4ee5\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u89e3\u5305\u4e3aPython\u6570\u636e\u7c7b\u578b\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
import struct<\/p>\n
\u5c06\u6574\u6570\u8f6c\u6362\u4e3a\u4e8c\u8fdb\u5236\u6570\u636e<\/strong><\/h2>\n
number = 1234<\/p>\n
binary_data = struct.pack('i', number)<\/p>\n
print(binary_data)  # \u8f93\u51fa\uff1ab'\\xd2\\x04\\x00\\x00'<\/p>\n
\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a\u6574\u6570<\/strong><\/h2>\n
unpacked_number = struct.unpack('i', binary_data)[0]<\/p>\n
print(unpacked_number)  # \u8f93\u51fa\uff1a1234<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u5f3a\u5927\uff0c\u53ef\u4ee5\u5904\u7406\u591a\u79cd\u590d\u6742\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u3002<\/p>\n<\/p>\n
3. struct\u6a21\u5757\u7684\u5176\u4ed6\u529f\u80fd<\/h4>\n<\/p>\n
\u9664\u4e86\u57fa\u672c\u7684\u6253\u5305\u548c\u89e3\u5305\u529f\u80fd\uff0cstruct\u6a21\u5757\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u5f3a\u5927\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n