{"id":969233,"date":"2024-12-27T05:14:53","date_gmt":"2024-12-26T21:14:53","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/969233.html"},"modified":"2024-12-27T05:14:54","modified_gmt":"2024-12-26T21:14:54","slug":"%e5%a6%82%e4%bd%95%e8%be%93%e5%87%batxt%e6%96%87%e4%bb%b6python","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/969233.html","title":{"rendered":"\u5982\u4f55\u8f93\u51fatxt\u6587\u4ef6python"},"content":{"rendered":"

\"\u5982\u4f55\u8f93\u51fatxt\u6587\u4ef6python\"<\/p>\n

\u8981\u5728Python\u4e2d\u8f93\u51fatxt\u6587\u4ef6\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u3001\u5229\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u3001\u901a\u8fc7\u5199\u5165\u6a21\u5f0f'w'<\/code>\u6216\u9644\u52a0\u6a21\u5f0f'a'<\/code>\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\u3002<\/strong>\u5176\u4e2d\uff0c\u5229\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u662f\u63a8\u8350\u7684\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u80fd\u591f\u81ea\u52a8\u5904\u7406\u6587\u4ef6\u5173\u95ed\u7684\u95ee\u9898\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u548c\u8d44\u6e90\u7684\u6709\u6548\u7ba1\u7406\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u5982\u4f55\u5728Python\u4e2d\u8f93\u51fatxt\u6587\u4ef6\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528open()<\/code>\u51fd\u6570<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0copen()<\/code>\u51fd\u6570\u662f\u64cd\u4f5c\u6587\u4ef6\u7684\u6838\u5fc3\u51fd\u6570\u3002\u901a\u8fc7\u5b83\uff0c\u4f60\u53ef\u4ee5\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6\u8fdb\u884c\u8bfb\u3001\u5199\u3001\u6216\u8ffd\u52a0\u64cd\u4f5c\u3002\u901a\u5e38\uff0copen()<\/code>\u51fd\u6570\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u6587\u4ef6\u8def\u5f84\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6a21\u5f0f\uff08'w'\u8868\u793a\u5199\uff0c'a'\u8868\u793a\u8ffd\u52a0\uff0c'r'\u8868\u793a\u8bfb\uff0c\u7b49\u7b49\uff09\u3002\u8981\u8f93\u51fa\u4e00\u4e2atxt\u6587\u4ef6\uff0c\u6700\u5e38\u7528\u7684\u6a21\u5f0f\u662f\u5199\u6a21\u5f0f'w'<\/code>\u3002<\/p>\n<\/p>\n

file = open('example.txt', 'w')<\/p>\n
file.write('This is an example text.')<\/p>\n
file.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7open()<\/code>\u51fd\u6570\u6253\u5f00\u4e86\u4e00\u4e2a\u540d\u4e3aexample.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528write()<\/code>\u65b9\u6cd5\u5c06\u5b57\u7b26\u4e32\u5199\u5165\u6587\u4ef6\u4e2d\u3002\u6700\u540e\uff0c\u4f7f\u7528close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6587\u4ef6\u4ee5\u786e\u4fdd\u6570\u636e\u5b8c\u6574\u5199\u5165\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u5229\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/p>\n<\/p>\n
\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u662fPython\u5904\u7406\u6587\u4ef6\u7684\u63a8\u8350\u65b9\u5f0f\uff0c\u56e0\u4e3a\u5b83\u80fd\u786e\u4fdd\u5728\u6587\u4ef6\u64cd\u4f5c\u5b8c\u6210\u540e\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\uff0c\u8fd9\u6837\u505a\u53ef\u4ee5\u907f\u514d\u6587\u4ef6\u6cc4\u9732\u548c\u6570\u636e\u635f\u574f\u3002<\/p>\n<\/p>\n
with open('example.txt', 'w') as file:<\/p>\n
    file.write('This is an example text.')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cwith<\/code>\u8bed\u53e5\u521b\u5efa\u4e86\u4e00\u4e2a\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\uff0c\u5728\u79bb\u5f00with<\/code>\u5757\u65f6\uff0c\u5b83\u4f1a\u81ea\u52a8\u5173\u95ed\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u66f4\u5b89\u5168\uff0c\u56e0\u4e3a\u5b83\u80fd\u786e\u4fdd\u5373\u4f7f\u5728\u5199\u5165\u8fc7\u7a0b\u4e2d\u53d1\u751f\u9519\u8bef\uff0c\u6587\u4ef6\u4e5f\u4f1a\u88ab\u6b63\u786e\u5173\u95ed\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5199\u5165\u591a\u884c\u6587\u672c<\/p>\n<\/p>\n
\u5982\u679c\u9700\u8981\u5199\u5165\u591a\u884c\u6587\u672c\uff0c\u53ef\u4ee5\u4f7f\u7528writelines()<\/code>\u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u5b57\u7b26\u4e32\u5217\u8868\u4f5c\u4e3a\u53c2\u6570\u3002<\/p>\n<\/p>\n
lines = ['First line.\\n', 'Second line.\\n', 'Third line.\\n']<\/p>\n
with open('example.txt', 'w') as file:<\/p>\n
    file.writelines(lines)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cwritelines()<\/code>\u65b9\u6cd5\u5c06\u5217\u8868\u4e2d\u7684\u6bcf\u4e2a\u5b57\u7b26\u4e32\u4f9d\u6b21\u5199\u5165\u6587\u4ef6\u3002\u6ce8\u610f\u6bcf\u884c\u6587\u672c\u672b\u5c3e\u9700\u8981\u624b\u52a8\u6dfb\u52a0\u6362\u884c\u7b26\\n<\/code>\u3002<\/p>\n<\/p>\n
\u56db\u3001\u8ffd\u52a0\u6a21\u5f0f\u5199\u5165<\/p>\n<\/p>\n
\u5982\u679c\u4f60\u60f3\u5728\u73b0\u6709\u6587\u4ef6\u7684\u672b\u5c3e\u6dfb\u52a0\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528\u8ffd\u52a0\u6a21\u5f0f'a'<\/code>\u3002\u8fd9\u6837\u5c31\u4e0d\u4f1a\u8986\u76d6\u6587\u4ef6\u4e2d\u5df2\u6709\u7684\u5185\u5bb9\u3002<\/p>\n<\/p>\n
with open('example.txt', 'a') as file:<\/p>\n
    file.write('This is an additional line.\\n')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u65b0\u7684\u5185\u5bb9\u4f1a\u88ab\u8ffd\u52a0\u5230\u6587\u4ef6\u7684\u672b\u5c3e\uff0c\u4e0d\u4f1a\u5f71\u54cd\u5230\u6587\u4ef6\u4e2d\u5df2\u7ecf\u5b58\u5728\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u6587\u4ef6\u8def\u5f84<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6587\u4ef6\u8def\u5f84\u53ef\u80fd\u5e76\u4e0d\u603b\u662f\u7b80\u5355\u7684\u6587\u4ef6\u540d\uff0c\u5c24\u5176\u662f\u5f53\u6587\u4ef6\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u76ee\u5f55\u4e2d\u65f6\u3002Python\u7684os<\/code>\u6a21\u5757\u63d0\u4f9b\u4e86\u5bf9\u6587\u4ef6\u8def\u5f84\u7684\u5904\u7406\u529f\u80fd\u3002<\/p>\n<\/p>\n
import os<\/p>\n
directory = '\/path\/to\/directory'<\/p>\n
filename = 'example.txt'<\/p>\n
filepath = os.path.join(directory, filename)<\/p>\n
with open(filepath, 'w') as file:<\/p>\n
    file.write('This text is stored in a specific directory.')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528os.path.join()<\/code>\u51fd\u6570\u6784\u5efa\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u6587\u4ef6\u8def\u5f84\uff0c\u8fd9\u6837\u5c31\u80fd\u786e\u4fdd\u4ee3\u7801\u5728\u4e0d\u540c\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u7684\u517c\u5bb9\u6027\u3002<\/p>\n<\/p>\n
\u516d\u3001\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728<\/p>\n<\/p>\n
\u5728\u5199\u5165\u6587\u4ef6\u4e4b\u524d\uff0c\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5b58\u5728\u53ef\u80fd\u662f\u4e2a\u597d\u4e3b\u610f\uff0c\u7279\u522b\u662f\u5728\u9644\u52a0\u6a21\u5f0f\u4e0b\u3002os.path.exists()<\/code>\u51fd\u6570\u53ef\u4ee5\u7528\u4e8e\u6b64\u76ee\u7684\u3002<\/p>\n<\/p>\n
import os<\/p>\n
if os.path.exists('example.txt'):<\/p>\n
    print('File already exists.')<\/p>\n
else:<\/p>\n
    with open('example.txt', 'w') as file:<\/p>\n
        file.write('This is a new file.')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u4ee3\u7801\u6bb5\u5728\u5199\u5165\u4e4b\u524d\u68c0\u67e5\u6587\u4ef6\u662f\u5426\u5df2\u7ecf\u5b58\u5728\uff0c\u5982\u679c\u5b58\u5728\u5219\u8f93\u51fa\u63d0\u793a\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u5904\u7406\u5f02\u5e38<\/p>\n<\/p>\n
\u5728\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u5404\u79cd\u5f02\u5e38\uff0c\u4f8b\u5982\u6587\u4ef6\u6743\u9650\u95ee\u9898\u6216\u78c1\u76d8\u7a7a\u95f4\u4e0d\u8db3\u3002\u6355\u83b7\u8fd9\u4e9b\u5f02\u5e38\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002<\/p>\n<\/p>\n
try:<\/p>\n
    with open('example.txt', 'w') as file:<\/p>\n
        file.write('This is a test text.')<\/p>\n
except IOError as e:<\/p>\n
    print(f'An error occurred: {e}')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528try<\/code>\u548cexcept<\/code>\u5757\u6765\u6355\u83b7IOError<\/code>\u5f02\u5e38\uff0c\u786e\u4fdd\u7a0b\u5e8f\u4e0d\u4f1a\u56e0\u4e3a\u5199\u5165\u95ee\u9898\u800c\u5d29\u6e83\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u4f60\u53ef\u4ee5\u5728Python\u4e2d\u7075\u6d3b\u5730\u8f93\u51fatxt\u6587\u4ef6\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u6587\u672c\u5199\u5165\u3001\u8ffd\u52a0\u5185\u5bb9\uff0c\u8fd8\u662f\u5904\u7406\u590d\u6742\u7684\u6587\u4ef6\u8def\u5f84\u548c\u5f02\u5e38\uff0c\u4e0a\u8ff0\u7b56\u7565\u90fd\u80fd\u6ee1\u8db3\u4f60\u7684\u9700\u6c42\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5408\u7406\u8fd0\u7528\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u5065\u58ee\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u548c\u5199\u5165TXT\u6587\u4ef6\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u6765\u521b\u5efa\u548c\u5199\u5165TXT\u6587\u4ef6\u3002\u4f7f\u7528\u6a21\u5f0f'w'<\/code>\u53ef\u4ee5\u5199\u5165\u6587\u672c\uff0c\u82e5\u6587\u4ef6\u4e0d\u5b58\u5728\u5219\u4f1a\u81ea\u52a8\u521b\u5efa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n
with open('output.txt', 'w') as file:\n    file.write('Hello, World!')\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aoutput.txt<\/code>\u7684\u6587\u4ef6\uff0c\u5e76\u5199\u5165\u201cHello, World!\u201d\u8fd9\u53e5\u8bdd\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6TXT\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong>
\u8981\u8bfb\u53d6TXT\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528\u76f8\u540c\u7684open()<\/code>\u51fd\u6570\uff0c\u4f46\u8fd9\u6b21\u4f7f\u7528\u6a21\u5f0f'r'<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5e76\u8fdb\u884c\u5904\u7406\u3002\u793a\u4f8b\u5982\u4e0b\uff1a  <\/p>\n
with open('output.txt', 'r') as file:\n    content = file.read()\n    print(content)\n<\/code><\/pre>\n
\u8fd9\u5c06\u8bfb\u53d6output.txt<\/code>\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u5185\u5bb9\uff0c\u5e76\u5c06\u5176\u6253\u5370\u5230\u63a7\u5236\u53f0\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u8ffd\u52a0\u5185\u5bb9\u5230\u5df2\u5b58\u5728\u7684TXT\u6587\u4ef6\uff1f<\/strong>
\u5982\u679c\u60a8\u9700\u8981\u5411\u73b0\u6709\u7684TXT\u6587\u4ef6\u6dfb\u52a0\u66f4\u591a\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a21\u5f0f'a'<\/code>\u6765\u6253\u5f00\u6587\u4ef6\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u6587\u4ef6\u672b\u5c3e\u8ffd\u52a0\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u793a\u4f8b\u4ee3\u7801\uff1a  <\/p>\n
with open('output.txt', 'a') as file:\n    file.write('\\nThis is an additional line.')\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u5728output.txt<\/code>\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\u4e00\u884c\u65b0\u7684\u6587\u672c\uff0c\u800c\u4e0d\u4f1a\u8986\u76d6\u539f\u6709\u5185\u5bb9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u8981\u5728Python\u4e2d\u8f93\u51fatxt\u6587\u4ef6\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684open()\u51fd\u6570\u3001\u5229\u7528\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u3001\u901a\u8fc7\u5199\u5165\u6a21\u5f0f'w […]","protected":false},"author":3,"featured_media":969241,"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\/969233"}],"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=969233"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/969233\/revisions"}],"predecessor-version":[{"id":969245,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/969233\/revisions\/969245"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/969241"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=969233"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=969233"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=969233"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}