{"id":1163839,"date":"2025-01-15T14:59:45","date_gmt":"2025-01-15T06:59:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1163839.html"},"modified":"2025-01-15T14:59:48","modified_gmt":"2025-01-15T06:59:48","slug":"python%e6%95%b0%e7%bb%84%e5%a6%82%e4%bd%95%e5%86%99%e5%85%a5%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1163839.html","title":{"rendered":"python\u6570\u7ec4\u5982\u4f55\u5199\u5165\u6587\u4ef6"},"content":{"rendered":"

\"python\u6570\u7ec4\u5982\u4f55\u5199\u5165\u6587\u4ef6\"<\/p>\n

Python\u6570\u7ec4\u5199\u5165\u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c\u3001\u4f7f\u7528JSON\u683c\u5f0f\u3001\u4f7f\u7528CSV\u683c\u5f0f\u7b49\u3002<\/strong> \u8fd9\u4e9b\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u3002\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c\u3001\u4f7f\u7528JSON\u683c\u5f0f\u3001\u4f7f\u7528CSV\u683c\u5f0f<\/strong>\u662f\u5e38\u7528\u7684\u4e09\u79cd\u65b9\u6cd5\uff0c\u5176\u4e2d\u4f7f\u7528JSON\u683c\u5f0f<\/strong>\u662f\u4e00\u79cd\u5e38\u89c1\u4e14\u4fbf\u4e8e\u540e\u7eed\u5904\u7406\u7684\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u4f7f\u7528\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c<\/h3>\n<\/p>\n

\u4f7f\u7528\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c\u53ef\u4ee5\u5c06\u6570\u7ec4\u4ee5\u6587\u672c\u5f62\u5f0f\u5199\u5165\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u7b80\u5355\u7684\u6570\u636e\u5b58\u50a8\uff0c\u4f46\u662f\u53ef\u80fd\u4e0d\u592a\u9002\u5408\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4f8b\u5b50\uff1a<\/p>\n<\/p>\n

array = [1, 2, 3, 4, 5]<\/p>\n
with open('output.txt', 'w') as file:<\/p>\n
    for item in array:<\/p>\n
        file.write("%s\\n" % item)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0copen()<\/code>\u51fd\u6570\u7528\u4e8e\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u5c06\u5176\u6307\u5b9a\u4e3a\u5199\u6a21\u5f0f\uff08'w'\uff09\u3002\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u5e76\u4f7f\u7528write()<\/code>\u65b9\u6cd5\u5c06\u6bcf\u4e2a\u5143\u7d20\u5199\u5165\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
\u4f7f\u7528JSON\u683c\u5f0f<\/h3>\n<\/p>\n
JSON\uff08JavaScript Object Notation\uff09\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u9002\u7528\u4e8e\u5b58\u50a8\u548c\u4f20\u8f93\u6570\u636e\u3002Python\u63d0\u4f9b\u4e86json<\/code>\u6a21\u5757\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3aJSON\u683c\u5f0f\u5e76\u5199\u5165\u6587\u4ef6\u3002\u4f7f\u7528JSON\u683c\u5f0f\u7684\u4e00\u4e2a\u91cd\u8981\u4f18\u52bf\u662f\u5b83\u53ef\u4ee5\u5b58\u50a8\u590d\u6742\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982\u5d4c\u5957\u6570\u7ec4\u548c\u5b57\u5178\u3002<\/p>\n<\/p>\n
import json<\/p>\n
array = [1, 2, 3, 4, 5]<\/p>\n
with open('output.json', 'w') as file:<\/p>\n
    json.dump(array, file)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cjson.dump()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3aJSON\u683c\u5f0f\u5e76\u5199\u5165\u6587\u4ef6\u3002\u8fd9\u4e2a\u65b9\u6cd5\u975e\u5e38\u9002\u5408\u9700\u8981\u5b58\u50a8\u590d\u6742\u6570\u636e\u7ed3\u6784\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4f7f\u7528CSV\u683c\u5f0f<\/h3>\n<\/p>\n
CSV\uff08Comma-Separated Values\uff09\u662f\u4e00\u79cd\u5e38\u7528\u7684\u6587\u672c\u683c\u5f0f\uff0c\u7528\u4e8e\u5b58\u50a8\u8868\u683c\u6570\u636e\u3002Python\u63d0\u4f9b\u4e86csv<\/code>\u6a21\u5757\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u6570\u7ec4\u5199\u5165CSV\u6587\u4ef6\u3002CSV\u683c\u5f0f\u9002\u7528\u4e8e\u5b58\u50a8\u4e8c\u7ef4\u6570\u7ec4\uff08\u5982\u8868\u683c\u6570\u636e\uff09\u3002<\/p>\n<\/p>\n
import csv<\/p>\n
array = [1, 2, 3, 4, 5]<\/p>\n
with open('output.csv', 'w', newline='') as file:<\/p>\n
    writer = csv.writer(file)<\/p>\n
    writer.writerow(array)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0ccsv.writer()<\/code>\u51fd\u6570\u7528\u4e8e\u521b\u5efa\u4e00\u4e2aCSV\u5199\u5165\u5668\u5bf9\u8c61\uff0c\u5e76\u4f7f\u7528writer.writerow()<\/code>\u65b9\u6cd5\u5c06\u6570\u7ec4\u5199\u5165CSV\u6587\u4ef6\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u4e00\u7ef4\u6570\u7ec4\u3002\u5982\u679c\u8981\u5199\u5165\u4e8c\u7ef4\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528writer.writerows()<\/code>\u65b9\u6cd5\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Numpy\u5e93<\/h3>\n<\/p>\n
Numpy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u79d1\u5b66\u8ba1\u7b97\u5e93\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u7ec4\u64cd\u4f5c\u51fd\u6570\u3002Numpy\u6570\u7ec4\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b58\u50a8\u548c\u8bfb\u53d6\u6587\u4ef6\u3002Numpy\u63d0\u4f9b\u4e86numpy.save()<\/code>\u548cnumpy.savetxt()<\/code>\u51fd\u6570\uff0c\u5206\u522b\u7528\u4e8e\u5b58\u50a8\u6570\u7ec4\u5230\u4e8c\u8fdb\u5236\u6587\u4ef6\u548c\u6587\u672c\u6587\u4ef6\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.array([1, 2, 3, 4, 5])<\/p>\n
np.save('output.npy', array)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cnumpy.save()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06Numpy\u6570\u7ec4\u5b58\u50a8\u5230\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u9ad8\u6548\u5b58\u50a8\u548c\u8bfb\u53d6\u5927\u6570\u636e\u91cf\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
import numpy as np<\/p>\n
array = np.array([1, 2, 3, 4, 5])<\/p>\n
np.savetxt('output.txt', array, fmt='%d')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cnumpy.savetxt()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06Numpy\u6570\u7ec4\u5b58\u50a8\u5230\u6587\u672c\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u4ee5\u6587\u672c\u683c\u5f0f\u5b58\u50a8\u6570\u636e\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Pandas\u5e93<\/h3>\n<\/p>\n
Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u63d0\u4f9b\u4e86\u591a\u79cd\u6570\u636e\u7ed3\u6784\u548c\u6570\u636e\u64cd\u4f5c\u51fd\u6570\u3002Pandas\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06\u6570\u7ec4\u5b58\u50a8\u5230\u5404\u79cd\u6587\u4ef6\u683c\u5f0f\uff0c\u5982CSV\u3001Excel\u3001HDF5\u7b49\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
array = [1, 2, 3, 4, 5]<\/p>\n
df = pd.DataFrame(array)<\/p>\n
df.to_csv('output.csv', index=False)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cpd.DataFrame()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3aDataFrame\u5bf9\u8c61\uff0c\u5e76\u4f7f\u7528to_csv()<\/code>\u65b9\u6cd5\u5c06DataFrame\u5b58\u50a8\u5230CSV\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4f7f\u7528Pickle\u6a21\u5757<\/h3>\n<\/p>\n
Pickle\u6a21\u5757\u662fPython\u7684\u5185\u7f6e\u6a21\u5757\uff0c\u63d0\u4f9b\u4e86\u5bf9\u8c61\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u529f\u80fd\u3002Pickle\u53ef\u4ee5\u5c06\u4efb\u610fPython\u5bf9\u8c61\u5b58\u50a8\u5230\u6587\u4ef6\uff0c\u5e76\u5728\u9700\u8981\u65f6\u6062\u590d\u3002Pickle\u9002\u7528\u4e8e\u5b58\u50a8\u590d\u6742\u6570\u636e\u7ed3\u6784\u548c\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
import pickle<\/p>\n
array = [1, 2, 3, 4, 5]<\/p>\n
with open('output.pkl', 'wb') as file:<\/p>\n
    pickle.dump(array, file)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cpickle.dump()<\/code>\u51fd\u6570\u7528\u4e8e\u5c06\u6570\u7ec4\u5e8f\u5217\u5316\u5e76\u5b58\u50a8\u5230\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cPickle\u5b58\u50a8\u7684\u6587\u4ef6\u53ea\u80fd\u5728Python\u73af\u5883\u4e2d\u4f7f\u7528\uff0c\u4e0d\u9002\u7528\u4e8e\u8de8\u8bed\u8a00\u7684\u6570\u636e\u4ea4\u6362\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u5c06\u6570\u7ec4\u5199\u5165\u6587\u4ef6\uff0c\u5305\u62ec\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c\u3001\u4f7f\u7528JSON\u683c\u5f0f\u3001\u4f7f\u7528CSV\u683c\u5f0f\u3001\u4f7f\u7528Numpy\u5e93\u3001\u4f7f\u7528Pandas\u5e93\u548c\u4f7f\u7528Pickle\u6a21\u5757\u3002\u6bcf\u79cd\u65b9\u6cd5\u5404\u6709\u4f18\u7f3a\u70b9\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u5f0f\u3002\u4f7f\u7528JSON\u683c\u5f0f\u3001\u4f7f\u7528CSV\u683c\u5f0f\u3001\u4f7f\u7528Numpy\u5e93<\/strong>\u662f\u5e38\u7528\u7684\u4e09\u79cd\u65b9\u6cd5\uff0c\u5176\u4e2d\u4f7f\u7528JSON\u683c\u5f0f<\/strong>\u662f\u4e00\u79cd\u5e38\u89c1\u4e14\u4fbf\u4e8e\u540e\u7eed\u5904\u7406\u7684\u65b9\u5f0f\u3002\u901a\u8fc7\u638c\u63e1\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5c06Python\u6570\u7ec4\u5b58\u50a8\u5230\u6587\u4ef6\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u8bfb\u53d6\u548c\u5904\u7406\u6570\u636e\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5c06Python\u6570\u7ec4\u4fdd\u5b58\u4e3a\u6587\u672c\u6587\u4ef6\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684open()<\/code>\u51fd\u6570\u7ed3\u5408write()<\/code>\u65b9\u6cd5\u5c06\u6570\u7ec4\u5199\u5165\u6587\u672c\u6587\u4ef6\u3002\u9996\u5148\uff0c\u9700\u8981\u5c06\u6570\u7ec4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u683c\u5f0f\uff0c\u901a\u5e38\u4f7f\u7528join()<\/code>\u65b9\u6cd5\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
array = [1, 2, 3, 4, 5]\nwith open('output.txt', 'w') as file:\n    file.write('\\n'.join(map(str, array)))\n<\/code><\/pre>\n
\u8be5\u4ee3\u7801\u4f1a\u5c06\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u5199\u5165\u6587\u4ef6\uff0c\u6bcf\u4e2a\u5143\u7d20\u5360\u4e00\u884c\u3002<\/p>\n
\u5982\u4f55\u5c06Python\u6570\u7ec4\u4fdd\u5b58\u4e3aCSV\u6587\u4ef6\uff1f<\/strong>
\u5982\u679c\u5e0c\u671b\u5c06\u6570\u7ec4\u4fdd\u5b58\u4e3aCSV\u683c\u5f0f\uff0c\u53ef\u4ee5\u4f7f\u7528csv<\/code>\u6a21\u5757\u3002\u8fd9\u4e2a\u6a21\u5757\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u5904\u7406CSV\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a  <\/p>\n
import csv\n\narray = [1, 2, 3, 4, 5]\nwith open('output.csv', 'w', newline='') as file:\n    writer = csv.writer(file)\n    writer.writerow(array)\n<\/code><\/pre>\n
\u6b64\u4ee3\u7801\u5c06\u6570\u7ec4\u4f5c\u4e3a\u4e00\u884c\u5199\u5165CSV\u6587\u4ef6\u3002<\/p>\n
\u5982\u4f55\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u7ec4\u6570\u636e\u5e76\u8f6c\u6362\u4e3aPython\u6570\u7ec4\uff1f<\/strong>
\u8bfb\u53d6\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5e76\u8f6c\u6362\u4e3a\u6570\u7ec4\u975e\u5e38\u7b80\u5355\u3002\u53ef\u4ee5\u4f7f\u7528open()<\/code>\u914d\u5408readlines()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u7136\u540e\u4f7f\u7528map()<\/code>\u548clist()<\/code>\u5c06\u5176\u8f6c\u6362\u4e3a\u6570\u7ec4\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a  <\/p>\n
with open('output.txt', 'r') as file:\n    array = list(map(int, file.readlines()))\n<\/code><\/pre>\n
\u6b64\u4ee3\u7801\u4f1a\u5c06\u6587\u672c\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\u8bfb\u53d6\u4e3a\u6574\u6570\u5e76\u5b58\u5165\u6570\u7ec4\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u6570\u7ec4\u5199\u5165\u6587\u4ef6\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u57fa\u672c\u7684\u6587\u4ef6\u64cd\u4f5c\u3001\u4f7f\u7528JSON\u683c\u5f0f\u3001\u4f7f\u7528CSV\u683c\u5f0f\u7b49\u3002 \u8fd9\u4e9b\u65b9 […]","protected":false},"author":3,"featured_media":1163846,"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\/1163839"}],"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=1163839"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163839\/revisions"}],"predecessor-version":[{"id":1163850,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1163839\/revisions\/1163850"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1163846"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1163839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1163839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1163839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}