{"id":1073732,"date":"2025-01-08T11:28:19","date_gmt":"2025-01-08T03:28:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1073732.html"},"modified":"2025-01-08T11:28:23","modified_gmt":"2025-01-08T03:28:23","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e6%8a%8a%e6%8d%a2%e8%a1%8c%e7%ac%a6%e5%8e%bb%e6%8e%89-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1073732.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u628a\u6362\u884c\u7b26\u53bb\u6389"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u628a\u6362\u884c\u7b26\u53bb\u6389\"<\/p>\n

\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u53bb\u6389\u6362\u884c\u7b26\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u7684 strip()<\/code> \u65b9\u6cd5\u3001replace()<\/code> \u65b9\u6cd5\u3001splitlines()<\/code> \u65b9\u6cd5\u7b49\u3002\u4f7f\u7528 strip()<\/code> \u65b9\u6cd5\u3001replace()<\/code> \u65b9\u6cd5\u3001splitlines()<\/code> \u65b9\u6cd5\u90fd\u53ef\u4ee5\u6709\u6548\u53bb\u6389\u6362\u884c\u7b26<\/strong>\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u63cf\u8ff0\u5176\u4e2d\u7684\u4e00\u79cd\u65b9\u6cd5\uff0c\u4f7f\u7528 strip()<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/p>\n

strip()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u79fb\u9664\u5b57\u7b26\u4e32\u5934\u5c3e\u7684\u7279\u5b9a\u5b57\u7b26\uff0c\u5305\u62ec\u6362\u884c\u7b26\u3002\u6bd4\u5982\uff0c\u5b57\u7b26\u4e32 s = "Hello\\n"<\/code>\uff0c\u53ef\u4ee5\u901a\u8fc7 s.strip()<\/code> \u53bb\u6389\u6362\u884c\u7b26\uff0c\u7ed3\u679c\u4e3a Hello<\/code>\u3002strip()<\/code> \u65b9\u6cd5\u9ed8\u8ba4\u79fb\u9664\u5305\u62ec\u7a7a\u683c\u3001\u6362\u884c\u7b26\u3001\u5236\u8868\u7b26\u7b49\u5728\u5185\u7684\u6240\u6709\u5934\u5c3e\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n

\u4e00\u3001strip()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n

strip()<\/code> \u65b9\u6cd5\u662f\u6700\u7b80\u5355\u76f4\u63a5\u7684\u53bb\u6389\u6362\u884c\u7b26\u7684\u65b9\u6cd5\u3002\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u53bb\u6389\u6362\u884c\u7b26\uff0c\u8fd8\u53ef\u4ee5\u53bb\u6389\u5176\u4ed6\u7a7a\u767d\u5b57\u7b26\uff08\u5982\u7a7a\u683c\u3001\u5236\u8868\u7b26\uff09\u3002<\/p>\n<\/p>\n

s = "Hello\\n"<\/p>\n
s = s.strip()<\/p>\n
print(s)  # \u8f93\u51fa: Hello<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u660e\u4e86\uff0c\u4f46\u5b83\u53ea\u80fd\u53bb\u6389\u5b57\u7b26\u4e32\u5934\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\u3002\u5982\u679c\u5b57\u7b26\u4e32\u4e2d\u95f4\u6709\u6362\u884c\u7b26\uff0c\u5c31\u9700\u8981\u5176\u4ed6\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4e8c\u3001replace()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
replace()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\u3002\u5b83\u53ef\u4ee5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u6362\u884c\u7b26\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u5934\u5c3e\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
s = "Hello\\nWorld\\n"<\/p>\n
s = s.replace("\\n", "")<\/p>\n
print(s)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u4efb\u4f55\u5b57\u7b26\uff0c\u4f46\u5b83\u7684\u7f3a\u70b9\u662f\u4f1a\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u5339\u914d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u4e09\u3001splitlines()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
splitlines()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u6309\u884c\u5206\u5272\uff0c\u7136\u540e\u518d\u5c06\u8fd9\u4e9b\u884c\u7ec4\u5408\u8d77\u6765\uff0c\u4ece\u800c\u53bb\u6389\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
s = "Hello\\nWorld\\n"<\/p>\n
lines = s.splitlines()<\/p>\n
s = "".join(lines)<\/p>\n
print(s)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u5904\u7406\u591a\u884c\u5b57\u7b26\u4e32\uff0c\u4f46\u5b83\u7684\u7f3a\u70b9\u662f\u4ee3\u7801\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u3002<\/p>\n<\/p>\n
\u56db\u3001join()<\/code> \u65b9\u6cd5\u7ed3\u5408 split()<\/code><\/h3>\n<\/p>\n
\u4f7f\u7528 split()<\/code> \u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u6309\u7a7a\u767d\u5b57\u7b26\u5206\u5272\u6210\u591a\u4e2a\u90e8\u5206\uff0c\u7136\u540e\u4f7f\u7528 join()<\/code> \u65b9\u6cd5\u5c06\u8fd9\u4e9b\u90e8\u5206\u7ec4\u5408\u8d77\u6765\u3002<\/p>\n<\/p>\n
s = "Hello\\nWorld\\n"<\/p>\n
s = "".join(s.split())<\/p>\n
print(s)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u53bb\u6389\u6240\u6709\u7a7a\u767d\u5b57\u7b26\uff0c\u4f46\u5b83\u7684\u7f3a\u70b9\u662f\u4f1a\u53bb\u6389\u6240\u6709\u7a7a\u767d\u5b57\u7b26\uff0c\u5305\u62ec\u7a7a\u683c\u3002<\/p>\n<\/p>\n
\u4e94\u3001re<\/code> \u6a21\u5757\u7684 sub()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
\u5982\u679c\u9700\u8981\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528 re<\/code> \u6a21\u5757\u7684 sub()<\/code> \u65b9\u6cd5\u6765\u53bb\u6389\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
import re<\/p>\n
s = "Hello\\nWorld\\n"<\/p>\n
s = re.sub(r"\\n", "", s)<\/p>\n
print(s)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u975e\u5e38\u7075\u6d3b\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u4efb\u4f55\u6a21\u5f0f\uff0c\u4f46\u5b83\u7684\u7f3a\u70b9\u662f\u9700\u8981\u5bfc\u5165 re<\/code> \u6a21\u5757\uff0c\u4ee3\u7801\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528 translate()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
translate()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u901a\u8fc7\u5b57\u7b26\u6620\u5c04\u8868\u6765\u66ff\u6362\u5b57\u7b26\u4e32\u4e2d\u7684\u7279\u5b9a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
s = "Hello\\nWorld\\n"<\/p>\n
s = s.translate({ord('\\n'): None})<\/p>\n
print(s)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u975e\u5e38\u9ad8\u6548\u5730\u66ff\u6362\u5b57\u7b26\uff0c\u4f46\u5b83\u7684\u7f3a\u70b9\u662f\u4ee3\u7801\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\uff0c\u9700\u8981\u521b\u5efa\u5b57\u7b26\u6620\u5c04\u8868\u3002<\/p>\n<\/p>\n
\u4e03\u3001rstrip()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
rstrip()<\/code> \u65b9\u6cd5\u7c7b\u4f3c\u4e8e strip()<\/code> \u65b9\u6cd5\uff0c\u4f46\u5b83\u53ea\u79fb\u9664\u5b57\u7b26\u4e32\u672b\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
s = "Hello\\n"<\/p>\n
s = s.rstrip()<\/p>\n
print(s)  # \u8f93\u51fa: Hello<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u660e\u4e86\uff0c\u4f46\u5b83\u53ea\u80fd\u53bb\u6389\u5b57\u7b26\u4e32\u672b\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u516b\u3001lstrip()<\/code> \u65b9\u6cd5<\/h3>\n<\/p>\n
lstrip()<\/code> \u65b9\u6cd5\u7c7b\u4f3c\u4e8e strip()<\/code> \u65b9\u6cd5\uff0c\u4f46\u5b83\u53ea\u79fb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
s = "\\nHello"<\/p>\n
s = s.lstrip()<\/p>\n
print(s)  # \u8f93\u51fa: Hello<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u7b80\u5355\u660e\u4e86\uff0c\u4f46\u5b83\u53ea\u80fd\u53bb\u6389\u5b57\u7b26\u4e32\u5f00\u5934\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u6587\u4ef6\u64cd\u4f5c\u4e2d\u7684\u6362\u884c\u7b26\u5904\u7406<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u7ecf\u5e38\u9700\u8981\u53bb\u6389\u6bcf\u884c\u672b\u5c3e\u7684\u6362\u884c\u7b26\u3002\u53ef\u4ee5\u4f7f\u7528 strip()<\/code> \u65b9\u6cd5\u6765\u5904\u7406\u3002<\/p>\n<\/p>\n
with open('file.txt', 'r') as file:<\/p>\n
    lines = file.readlines()<\/p>\n
    lines = [line.strip() for line in lines]<\/p>\n
print(lines)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u53ef\u4ee5\u5904\u7406\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\uff0c\u4f46\u5b83\u7684\u7f3a\u70b9\u662f\u4ee3\u7801\u7a0d\u5fae\u590d\u6742\u4e00\u4e9b\u3002<\/p>\n<\/p>\n
\u5341\u3001\u7efc\u5408\u5e94\u7528<\/h3>\n<\/p>\n
\u6839\u636e\u5177\u4f53\u9700\u6c42\uff0c\u53ef\u4ee5\u7efc\u5408\u5e94\u7528\u4e0a\u8ff0\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u5148\u4f7f\u7528 strip()<\/code> \u65b9\u6cd5\u53bb\u6389\u5934\u5c3e\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u518d\u4f7f\u7528 replace()<\/code> \u65b9\u6cd5\u53bb\u6389\u4e2d\u95f4\u7684\u6362\u884c\u7b26\u3002<\/p>\n<\/p>\n
s = "\\nHello\\nWorld\\n"<\/p>\n
s = s.strip().replace("\\n", "")<\/p>\n
print(s)  # \u8f93\u51fa: HelloWorld<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7efc\u4e0a\u6240\u8ff0\uff0cPython \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u53bb\u6389\u5b57\u7b26\u4e32\u4e2d\u7684\u6362\u884c\u7b26\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u6362\u884c\u7b26\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u5904\u7406\u6362\u884c\u7b26\u901a\u5e38\u6709\u591a\u79cd\u65b9\u6cd5\u3002\u6700\u5e38\u89c1\u7684\u65b9\u5f0f\u662f\u4f7f\u7528\u5b57\u7b26\u4e32\u7684replace()<\/code>\u65b9\u6cd5\u6765\u66ff\u6362\u6362\u884c\u7b26\uff08\u4f8b\u5982\\n<\/code>\u6216\\r\\n<\/code>\uff09\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
text = "Hello,\\nWorld!"\ncleaned_text = text.replace("\\n", "")\nprint(cleaned_text)  # \u8f93\u51fa: Hello,World!\n<\/code><\/pre>\n
\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528strip()<\/code>\u65b9\u6cd5\u53bb\u9664\u5b57\u7b26\u4e32\u524d\u540e\u7684\u6362\u884c\u7b26\uff0c\u9002\u5408\u5904\u7406\u4ece\u6587\u4ef6\u8bfb\u53d6\u7684\u6587\u672c\u3002<\/p>\n
\u5728\u8bfb\u53d6\u6587\u4ef6\u65f6\u5982\u4f55\u53bb\u6389\u6362\u884c\u7b26\uff1f<\/strong>
\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u65f6\uff0c\u901a\u5e38\u4f1a\u9047\u5230\u6362\u884c\u7b26\u3002\u53ef\u4ee5\u5728\u8bfb\u53d6\u884c\u540e\u76f4\u63a5\u8c03\u7528strip()<\/code>\u65b9\u6cd5\uff0c\u6e05\u7406\u6bcf\u4e00\u884c\u7684\u524d\u540e\u7a7a\u683c\u548c\u6362\u884c\u7b26\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
with open('file.txt', 'r') as file:\n    lines = [line.strip() for line in file]\n<\/code><\/pre>\n
\u8fd9\u6837\u5904\u7406\u540e\uff0clines<\/code>\u5217\u8868\u4e2d\u7684\u6bcf\u4e00\u884c\u90fd\u4e0d\u5305\u542b\u6362\u884c\u7b26\u3002<\/p>\n
\u662f\u5426\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u53bb\u6389\u6362\u884c\u7b26\uff1f<\/strong>
\u9664\u4e86\u4f7f\u7528replace()<\/code>\u548cstrip()<\/code>\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u6765\u53bb\u6389\u6362\u884c\u7b26\u3002\u901a\u8fc7re<\/code>\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u6587\u672c\u5904\u7406\u3002\u793a\u4f8b\u4ee3\u7801\u4e3a\uff1a  <\/p>\n
import re\n\ntext = "Hello,\\nWorld!"\ncleaned_text = re.sub(r'\\n', '', text)\nprint(cleaned_text)  # \u8f93\u51fa: Hello,World!\n<\/code><\/pre>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u53ef\u4ee5\u7075\u6d3b\u5339\u914d\u5404\u79cd\u6362\u884c\u7b26\u548c\u7a7a\u767d\u5b57\u7b26\uff0c\u975e\u5e38\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u6587\u672c\u683c\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728 Python \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u6cd5\u53bb\u6389\u6362\u884c\u7b26\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u7684 strip() \u65b9\u6cd5\u3001replace() […]","protected":false},"author":3,"featured_media":1073748,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1073732"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1073732"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1073732\/revisions"}],"predecessor-version":[{"id":1073750,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1073732\/revisions\/1073750"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1073748"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1073732"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1073732"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1073732"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}