{"id":97044,"date":"2024-10-20T14:32:16","date_gmt":"2024-10-20T06:32:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/97044\/"},"modified":"2024-10-20T14:32:16","modified_gmt":"2024-10-20T06:32:16","slug":"python%e6%96%87%e4%bb%b6%e6%95%b8%e6%93%9a%e5%ba%ab%e8%ae%80%e5%8f%96%e6%93%8d%e4%bd%9c%e7%b0%a1%e4%bb%8b-python%e5%a6%82%e4%bd%95%e8%ae%80%e5%8f%96%e6%96%87%e4%bb%b6%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/97044\/","title":{"rendered":"Python\u6587\u4ef6\u6578\u64da\u5eab\u8b80\u53d6\u64cd\u4f5c\u7c21\u4ecb (python\u5982\u4f55\u8b80\u53d6\u6587\u4ef6\u6578\u64da\u5eab)"},"content":{"rendered":"

Python\u6587\u4ef6\u6578\u64da\u5eab\u8b80\u53d6\u64cd\u4f5c\u7c21\u4ecb<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u9a45\u52d5\u6642\u4ee3\uff0cPython\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u4e14\u6613\u65bc\u5b78\u7fd2\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5ee3\u6cdb\u61c9\u7528\u65bc\u6578\u64da\u8655\u7406\u548c\u5206\u6790\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Python\u8b80\u53d6\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u904e\u7a0b\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6587\u4ef6\u6578\u64da\u5eab\uff1f<\/h2>\n

\u6587\u4ef6\u6578\u64da\u5eab\u662f\u4e00\u7a2e\u5c07\u6578\u64da\u5b58\u5132\u5728\u6587\u4ef6\u4e2d\u7684\u7c21\u55ae\u6578\u64da\u5eab\u5f62\u5f0f\u3002\u9019\u4e9b\u6587\u4ef6\u53ef\u4ee5\u662f\u6587\u672c\u6587\u4ef6\u3001CSV\u6587\u4ef6\u3001JSON\u6587\u4ef6\u7b49\u3002\u8207\u50b3\u7d71\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u76f8\u6bd4\uff0c\u6587\u4ef6\u6578\u64da\u5eab\u7684\u7d50\u69cb\u66f4\u70ba\u9748\u6d3b\uff0c\u9069\u5408\u5c0f\u578b\u61c9\u7528\u6216\u5feb\u901f\u539f\u578b\u958b\u767c\u3002<\/p>\n

Python\u8b80\u53d6\u6587\u4ef6\u6578\u64da\u5eab\u7684\u57fa\u672c\u65b9\u6cd5<\/h2>\n

Python\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8b80\u53d6\u4e0d\u540c\u985e\u578b\u7684\u6587\u4ef6\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u6587\u4ef6\u985e\u578b\u53ca\u5176\u8b80\u53d6\u65b9\u6cd5\uff1a<\/p>\n

1. \u8b80\u53d6\u6587\u672c\u6587\u4ef6<\/h3>\n
with open('data.txt', 'r', encoding='utf-8') as file:\n    data = file.readlines()\n    for line in data:\n        print(line.strip())\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86Python\u7684\u5167\u5efa\u51fd\u6578open\u4f86\u6253\u958b\u4e00\u500b\u6587\u672c\u6587\u4ef6\uff0c\u7136\u5f8c\u4f7f\u7528readlines\u65b9\u6cd5\u8b80\u53d6\u6240\u6709\u884c\u3002\u6700\u5f8c\uff0c\u6211\u5011\u904d\u6b77\u6bcf\u4e00\u884c\u4e26\u6253\u5370\u51fa\u4f86\u3002<\/p>\n
2. \u8b80\u53d6CSV\u6587\u4ef6<\/h3>\n
CSV\uff08\u9017\u865f\u5206\u9694\u503c\uff09\u6587\u4ef6\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u5b58\u5132\u683c\u5f0f\u3002Python\u7684csv\u6a21\u584a\u4f7f\u5f97\u8b80\u53d6CSV\u6587\u4ef6\u8b8a\u5f97\u7c21\u55ae\u3002<\/p>\n
import csv\n\nwith open('data.csv', mode='r', encoding='utf-8') as file:\n    reader = csv.reader(file)\n    for row in reader:\n        print(row)\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5c0e\u5165\u4e86csv\u6a21\u584a\uff0c\u7136\u5f8c\u4f7f\u7528csv.reader\u4f86\u8b80\u53d6CSV\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\uff0c\u4e26\u5c07\u5176\u6253\u5370\u51fa\u4f86\u3002<\/p>\n
3. \u8b80\u53d6JSON\u6587\u4ef6<\/h3>\n
JSON\uff08JavaScript Object Notation\uff09\u662f\u4e00\u7a2e\u8f15\u91cf\u7d1a\u7684\u6578\u64da\u4ea4\u63db\u683c\u5f0f\uff0cPython\u7684json\u6a21\u584a\u53ef\u4ee5\u8f15\u9b06\u5730\u8b80\u53d6JSON\u6587\u4ef6\u3002<\/p>\n
import json\n\nwith open('data.json', 'r', encoding='utf-8') as file:\n    data = json.load(file)\n    print(data)\n<\/code><\/pre>\n
\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u4f7f\u7528json.load\u65b9\u6cd5\u5c07JSON\u6587\u4ef6\u7684\u5167\u5bb9\u8b80\u53d6\u5230\u4e00\u500bPython\u5c0d\u8c61\u4e2d\uff0c\u7136\u5f8c\u6253\u5370\u51fa\u4f86\u3002<\/p>\n
\u8655\u7406\u7570\u5e38\u60c5\u6cc1<\/h2>\n
\u5728\u8b80\u53d6\u6587\u4ef6\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u7570\u5e38\u60c5\u6cc1\uff0c\u4f8b\u5982\u6587\u4ef6\u4e0d\u5b58\u5728\u6216\u683c\u5f0f\u932f\u8aa4\u3002\u4f7f\u7528try-except\u8a9e\u53e5\u53ef\u4ee5\u6709\u6548\u5730\u8655\u7406\u9019\u4e9b\u7570\u5e38\u3002<\/p>\n
try:\n    with open('data.txt', 'r', encoding='utf-8') as file:\n        data = file.readlines()\nexcept FileNotFoundError:\n    print(\"\u6587\u4ef6\u672a\u627e\u5230\uff0c\u8acb\u6aa2\u67e5\u6587\u4ef6\u8def\u5f91\u3002\")\nexcept Exception as e:\n    print(f\"\u767c\u751f\u932f\u8aa4: {e}\")\n<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528Python\u8b80\u53d6\u4e0d\u540c\u985e\u578b\u7684\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u5305\u62ec\u6587\u672c\u6587\u4ef6\u3001CSV\u6587\u4ef6\u548cJSON\u6587\u4ef6\u3002\u901a\u904e\u9019\u4e9b\u793a\u4f8b\uff0c\u8b80\u8005\u53ef\u4ee5\u638c\u63e1\u57fa\u672c\u7684\u6587\u4ef6\u8b80\u53d6\u64cd\u4f5c\uff0c\u4e26\u80fd\u5920\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u9748\u6d3b\u904b\u7528\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5b58\u5132\u548c\u8655\u7406\u6709\u66f4\u9ad8\u7684\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u81ea\u5df1\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5206\u6790\u60a8\u7684\u6578\u64da\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Python\u8b80\u53d6\u6587\u4ef6\u6578\u64da\u5eab\uff0c\u638c\u63e1\u57fa\u672c\u64cd\u4f5c\u548c\u6280\u5de7\uff0c\u8f15\u9b06\u8655\u7406\u6578\u64da\u6587\u4ef6\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-97044","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=97044"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97044\/revisions"}],"predecessor-version":[{"id":97045,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/97044\/revisions\/97045"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=97044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=97044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=97044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}