{"id":1083370,"date":"2025-01-08T12:57:23","date_gmt":"2025-01-08T04:57:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1083370.html"},"modified":"2025-01-08T12:57:26","modified_gmt":"2025-01-08T04:57:26","slug":"python%e6%b2%b3%e5%8d%97%e4%bc%9a%e8%80%83%e6%93%8d%e4%bd%9c%e9%a2%98%e5%a6%82%e4%bd%95%e4%bf%9d%e5%ad%98-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1083370.html","title":{"rendered":"python\u6cb3\u5357\u4f1a\u8003\u64cd\u4f5c\u9898\u5982\u4f55\u4fdd\u5b58"},"content":{"rendered":"

\"python\u6cb3\u5357\u4f1a\u8003\u64cd\u4f5c\u9898\u5982\u4f55\u4fdd\u5b58\"<\/p>\n

\u4f7f\u7528pickle\u6a21\u5757\u3001\u4f7f\u7528shelve\u6a21\u5757\u3001\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6<\/strong><\/p>\n<\/p>\n

\u5728\u6cb3\u5357\u4f1a\u8003\u64cd\u4f5c\u9898\u4e2d\uff0c\u4fdd\u5b58\u6570\u636e\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u4fdd\u5b58\u6570\u636e\uff0c\u5305\u62ec\u4f7f\u7528pickle\u6a21\u5757\u3001\u4f7f\u7528shelve\u6a21\u5757\u4ee5\u53ca\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u3002\u5176\u4e2d\uff0cpickle\u6a21\u5757<\/strong>\u662f\u4e00\u4e2a\u975e\u5e38\u65b9\u4fbf\u7684\u9009\u62e9\uff0c\u56e0\u4e3a\u5b83\u5141\u8bb8\u4f60\u5c06\u4efb\u610fPython\u5bf9\u8c61\u5e8f\u5217\u5316\u5e76\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff0c\u7136\u540e\u5728\u9700\u8981\u65f6\u53cd\u5e8f\u5217\u5316\u5e76\u52a0\u8f7d\u56de\u6765\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528pickle\u6a21\u5757<\/h3>\n<\/p>\n

1\u3001\u4ec0\u4e48\u662fpickle\u6a21\u5757<\/h4>\n<\/p>\n

pickle\u6a21\u5757\u662fPython\u4e2d\u7528\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u5bf9\u8c61\u7684\u6807\u51c6\u6a21\u5757\u3002\u5e8f\u5217\u5316\u662f\u6307\u5c06\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u6d41\u7684\u8fc7\u7a0b\uff0c\u53cd\u5e8f\u5217\u5316\u5219\u662f\u5c06\u5b57\u8282\u6d41\u8f6c\u6362\u4e3a\u5bf9\u8c61\u7684\u8fc7\u7a0b\u3002\u4f7f\u7528pickle\u6a21\u5757\uff0c\u53ef\u4ee5\u5c06Python\u5bf9\u8c61\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\uff0c\u5e76\u5728\u9700\u8981\u65f6\u5c06\u5176\u52a0\u8f7d\u56de\u6765\u3002<\/p>\n<\/p>\n

2\u3001\u4f7f\u7528pickle\u6a21\u5757\u4fdd\u5b58\u6570\u636e<\/h4>\n<\/p>\n

\u8981\u4f7f\u7528pickle\u6a21\u5757\u4fdd\u5b58\u6570\u636e\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165pickle\u6a21\u5757\u3002\u63a5\u4e0b\u6765\uff0c\u53ef\u4ee5\u4f7f\u7528pickle\u6a21\u5757\u7684dump()\u51fd\u6570\u5c06\u5bf9\u8c61\u5e8f\u5217\u5316\u5e76\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n

import pickle<\/p>\n
data = {'name': '\u5f20\u4e09', 'age': 18, 'grade': 'A'}<\/p>\n
\u5c06\u6570\u636e\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d<\/strong><\/h2>\n
with open('data.pkl', 'wb') as file:<\/p>\n
    pickle.dump(data, file)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5b57\u5178\u6570\u636e\u7684\u5bf9\u8c61data\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u4e8c\u8fdb\u5236\u5199\u6a21\u5f0f('wb')\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6data.pkl\uff0c\u5e76\u4f7f\u7528pickle.dump()\u51fd\u6570\u5c06data\u5bf9\u8c61\u5e8f\u5217\u5316\u5e76\u4fdd\u5b58\u5230\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
3\u3001\u4f7f\u7528pickle\u6a21\u5757\u52a0\u8f7d\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u52a0\u8f7d\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528pickle\u6a21\u5757\u7684load()\u51fd\u6570\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import pickle<\/p>\n
\u4ece\u6587\u4ef6\u4e2d\u52a0\u8f7d\u6570\u636e<\/strong><\/h2>\n
with open('data.pkl', 'rb') as file:<\/p>\n
    data = pickle.load(file)<\/p>\n
print(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u4e8c\u8fdb\u5236\u8bfb\u6a21\u5f0f('rb')\u6253\u5f00\u6587\u4ef6data.pkl\uff0c\u5e76\u4f7f\u7528pickle.load()\u51fd\u6570\u5c06\u6570\u636e\u4ece\u6587\u4ef6\u4e2d\u52a0\u8f7d\u5230\u5bf9\u8c61data\u4e2d\u3002\u6700\u540e\uff0c\u6253\u5370\u52a0\u8f7d\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528shelve\u6a21\u5757<\/h3>\n<\/p>\n
1\u3001\u4ec0\u4e48\u662fshelve\u6a21\u5757<\/h4>\n<\/p>\n
shelve\u6a21\u5757\u662fPython\u4e2d\u7528\u4e8e\u6301\u4e45\u5316\u5b58\u50a8\u5bf9\u8c61\u7684\u6807\u51c6\u6a21\u5757\u3002\u4e0epickle\u6a21\u5757\u4e0d\u540c\uff0cshelve\u6a21\u5757\u5141\u8bb8\u4f60\u4f7f\u7528\u7c7b\u4f3c\u5b57\u5178\u7684API\u6765\u5b58\u50a8\u548c\u8bbf\u95ee\u6570\u636e\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528shelve\u6a21\u5757\u4fdd\u5b58\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u4f7f\u7528shelve\u6a21\u5757\u4fdd\u5b58\u6570\u636e\uff0c\u9996\u5148\u9700\u8981\u5bfc\u5165shelve\u6a21\u5757\u3002\u63a5\u4e0b\u6765\uff0c\u53ef\u4ee5\u4f7f\u7528shelve.open()\u51fd\u6570\u6253\u5f00\u4e00\u4e2ashelf\u6587\u4ef6\uff0c\u5e76\u50cf\u4f7f\u7528\u5b57\u5178\u4e00\u6837\u5b58\u50a8\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import shelve<\/p>\n
data = {'name': '\u5f20\u4e09', 'age': 18, 'grade': 'A'}<\/p>\n
\u5c06\u6570\u636e\u4fdd\u5b58\u5230shelf\u6587\u4ef6\u4e2d<\/strong><\/h2>\n
with shelve.open('data') as shelf:<\/p>\n
    shelf['data'] = data<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5b57\u5178\u6570\u636e\u7684\u5bf9\u8c61data\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528shelve.open()\u51fd\u6570\u6253\u5f00\u4e00\u4e2ashelf\u6587\u4ef6data\uff0c\u5e76\u50cf\u4f7f\u7528\u5b57\u5178\u4e00\u6837\u5c06data\u5bf9\u8c61\u5b58\u50a8\u5728shelf\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
3\u3001\u4f7f\u7528shelve\u6a21\u5757\u52a0\u8f7d\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u52a0\u8f7d\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528shelve\u6a21\u5757\u7684\u7c7b\u4f3c\u5b57\u5178\u7684API\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import shelve<\/p>\n
\u4eceshelf\u6587\u4ef6\u4e2d\u52a0\u8f7d\u6570\u636e<\/strong><\/h2>\n
with shelve.open('data') as shelf:<\/p>\n
    data = shelf['data']<\/p>\n
print(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528shelve.open()\u51fd\u6570\u6253\u5f00shelf\u6587\u4ef6data\uff0c\u5e76\u50cf\u4f7f\u7528\u5b57\u5178\u4e00\u6837\u8bbf\u95ee\u6570\u636e\u3002\u6700\u540e\uff0c\u6253\u5370\u52a0\u8f7d\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6<\/h3>\n<\/p>\n
1\u3001\u5c06\u6570\u636e\u5199\u5165\u6587\u672c\u6587\u4ef6<\/h4>\n<\/p>\n
\u8981\u5c06\u6570\u636e\u5199\u5165\u6587\u672c\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528open()\u51fd\u6570\u4ee5\u5199\u6a21\u5f0f('w')\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528write()\u51fd\u6570\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
data = '\u59d3\u540d: \u5f20\u4e09, \u5e74\u9f84: 18, \u6210\u7ee9: A'<\/p>\n
\u5c06\u6570\u636e\u5199\u5165\u6587\u672c\u6587\u4ef6<\/strong><\/h2>\n
with open('data.txt', 'w') as file:<\/p>\n
    file.write(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5b57\u7b26\u4e32\u6570\u636e\u7684\u5bf9\u8c61data\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u5199\u6a21\u5f0f('w')\u6253\u5f00\u4e00\u4e2a\u6587\u4ef6data.txt\uff0c\u5e76\u4f7f\u7528write()\u51fd\u6570\u5c06data\u5bf9\u8c61\u5199\u5165\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
2\u3001\u4ece\u6587\u672c\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u4ece\u6587\u672c\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528open()\u51fd\u6570\u4ee5\u8bfb\u6a21\u5f0f('r')\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528read()\u51fd\u6570\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
# \u4ece\u6587\u672c\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/p>\n
with open('data.txt', 'r') as file:<\/p>\n
    data = file.read()<\/p>\n
print(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u8bfb\u6a21\u5f0f('r')\u6253\u5f00\u6587\u4ef6data.txt\uff0c\u5e76\u4f7f\u7528read()\u51fd\u6570\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u5230\u5bf9\u8c61data\u4e2d\u3002\u6700\u540e\uff0c\u6253\u5370\u8bfb\u53d6\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
3\u3001\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n
\u8981\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528csv\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import csv<\/p>\n
data = [<\/p>\n
    ['\u59d3\u540d', '\u5e74\u9f84', '\u6210\u7ee9'],<\/p>\n
    ['\u5f20\u4e09', 18, 'A'],<\/p>\n
    ['\u674e\u56db', 19, 'B']<\/p>\n
]<\/p>\n
\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6<\/strong><\/h2>\n
with open('data.csv', 'w', newline='') as file:<\/p>\n
    writer = csv.writer(file)<\/p>\n
    writer.writerows(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5217\u8868\u6570\u636e\u7684\u5bf9\u8c61data\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u5199\u6a21\u5f0f('w')\u6253\u5f00\u4e00\u4e2aCSV\u6587\u4ef6data.csv\uff0c\u5e76\u4f7f\u7528csv.writer()\u51fd\u6570\u521b\u5efa\u4e00\u4e2aCSV\u5199\u5165\u5668\u5bf9\u8c61writer\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528writer.writerows()\u51fd\u6570\u5c06data\u5bf9\u8c61\u5199\u5165CSV\u6587\u4ef6\u4e2d\u3002<\/p>\n<\/p>\n
4\u3001\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528csv\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import csv<\/p>\n
\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/strong><\/h2>\n
with open('data.csv', 'r') as file:<\/p>\n
    reader = csv.reader(file)<\/p>\n
    data = list(reader)<\/p>\n
for row in data:<\/p>\n
    print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u8bfb\u6a21\u5f0f('r')\u6253\u5f00\u6587\u4ef6data.csv\uff0c\u5e76\u4f7f\u7528csv.reader()\u51fd\u6570\u521b\u5efa\u4e00\u4e2aCSV\u8bfb\u53d6\u5668\u5bf9\u8c61reader\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528list()\u51fd\u6570\u5c06reader\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5217\u8868\u5bf9\u8c61data\u3002\u6700\u540e\uff0c\u6253\u5370\u8bfb\u53d6\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5c06\u6570\u636e\u5199\u5165JSON\u6587\u4ef6<\/h3>\n<\/p>\n
1\u3001\u5c06\u6570\u636e\u5199\u5165JSON\u6587\u4ef6<\/h4>\n<\/p>\n
\u8981\u5c06\u6570\u636e\u5199\u5165JSON\u6587\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528json\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import json<\/p>\n
data = {'name': '\u5f20\u4e09', 'age': 18, 'grade': 'A'}<\/p>\n
\u5c06\u6570\u636e\u5199\u5165JSON\u6587\u4ef6<\/strong><\/h2>\n
with open('data.json', 'w') as file:<\/p>\n
    json.dump(data, file, ensure_ascii=False, indent=4)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5b57\u5178\u6570\u636e\u7684\u5bf9\u8c61data\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u5199\u6a21\u5f0f('w')\u6253\u5f00\u4e00\u4e2aJSON\u6587\u4ef6data.json\uff0c\u5e76\u4f7f\u7528json.dump()\u51fd\u6570\u5c06data\u5bf9\u8c61\u5199\u5165JSON\u6587\u4ef6\u4e2d\u3002\u6211\u4eec\u8fd8\u4f7f\u7528\u4e86ensure_ascii=False\u53c2\u6570\uff0c\u4ee5\u786e\u4fdd\u975eASCII\u5b57\u7b26\u80fd\u591f\u6b63\u786e\u4fdd\u5b58\uff0c\u4ee5\u53caindent=4\u53c2\u6570\uff0c\u4ee5\u4fbfJSON\u6587\u4ef6\u5185\u5bb9\u66f4\u6613\u8bfb\u3002<\/p>\n<\/p>\n
2\u3001\u4eceJSON\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u4eceJSON\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528json\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import json<\/p>\n
\u4eceJSON\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/strong><\/h2>\n
with open('data.json', 'r') as file:<\/p>\n
    data = json.load(file)<\/p>\n
print(data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528open()\u51fd\u6570\u4ee5\u8bfb\u6a21\u5f0f('r')\u6253\u5f00\u6587\u4ef6data.json\uff0c\u5e76\u4f7f\u7528json.load()\u51fd\u6570\u5c06JSON\u6587\u4ef6\u5185\u5bb9\u52a0\u8f7d\u5230\u5bf9\u8c61data\u4e2d\u3002\u6700\u540e\uff0c\u6253\u5370\u8bfb\u53d6\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u5c06\u6570\u636e\u5199\u5165SQLite\u6570\u636e\u5e93<\/h3>\n<\/p>\n
1\u3001\u4ec0\u4e48\u662fSQLite\u6570\u636e\u5e93<\/h4>\n<\/p>\n
SQLite\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5d4c\u5165\u5f0f\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5e7f\u6cdb\u7528\u4e8e\u684c\u9762\u5e94\u7528\u7a0b\u5e8f\u3001\u79fb\u52a8\u5e94\u7528\u7a0b\u5e8f\u548cWeb\u5e94\u7528\u7a0b\u5e8f\u3002SQLite\u6570\u636e\u5e93\u5b58\u50a8\u5728\u5355\u4e2a\u6587\u4ef6\u4e2d\uff0c\u975e\u5e38\u9002\u5408\u7528\u6765\u4fdd\u5b58\u548c\u7ba1\u7406\u6570\u636e\u3002<\/p>\n<\/p>\n
2\u3001\u4f7f\u7528SQLite\u6570\u636e\u5e93\u4fdd\u5b58\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u4f7f\u7528SQLite\u6570\u636e\u5e93\u4fdd\u5b58\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528sqlite3\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import sqlite3<\/p>\n
data = {'name': '\u5f20\u4e09', 'age': 18, 'grade': 'A'}<\/p>\n
\u8fde\u63a5\u5230SQLite\u6570\u636e\u5e93<\/strong><\/h2>\n
conn = sqlite3.connect('data.db')<\/p>\n
cursor = conn.cursor()<\/p>\n
\u521b\u5efa\u8868<\/strong><\/h2>\n
cursor.execute('''<\/p>\n
    CREATE TABLE IF NOT EXISTS students (<\/p>\n
        id INTEGER PRIMARY KEY AUTOINCREMENT,<\/p>\n
        name TEXT,<\/p>\n
        age INTEGER,<\/p>\n
        grade TEXT<\/p>\n
    )<\/p>\n
''')<\/p>\n
\u63d2\u5165\u6570\u636e<\/strong><\/h2>\n
cursor.execute('''<\/p>\n
    INSERT INTO students (name, age, grade)<\/p>\n
    VALUES (:name, :age, :grade)<\/p>\n
''', data)<\/p>\n
\u63d0\u4ea4\u4e8b\u52a1\u5e76\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n
conn.commit()<\/p>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5305\u542b\u5b57\u5178\u6570\u636e\u7684\u5bf9\u8c61data\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528sqlite3.connect()\u51fd\u6570\u8fde\u63a5\u5230SQLite\u6570\u636e\u5e93data.db\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u6e38\u6807\u5bf9\u8c61cursor\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528cursor.execute()\u51fd\u6570\u521b\u5efa\u8868students\uff0c\u5e76\u63d2\u5165\u6570\u636e\u5230\u8868\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528conn.commit()\u51fd\u6570\u63d0\u4ea4\u4e8b\u52a1\uff0c\u5e76\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n<\/p>\n
3\u3001\u4eceSQLite\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e<\/h4>\n<\/p>\n
\u8981\u4eceSQLite\u6570\u636e\u5e93\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528sqlite3\u6a21\u5757\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
import sqlite3<\/p>\n
\u8fde\u63a5\u5230SQLite\u6570\u636e\u5e93<\/strong><\/h2>\n
conn = sqlite3.connect('data.db')<\/p>\n
cursor = conn.cursor()<\/p>\n
\u67e5\u8be2\u6570\u636e<\/strong><\/h2>\n
cursor.execute('SELECT * FROM students')<\/p>\n
data = cursor.fetchall()<\/p>\n
\u5173\u95ed\u8fde\u63a5<\/strong><\/h2>\n
conn.close()<\/p>\n
for row in data:<\/p>\n
    print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528sqlite3.connect()\u51fd\u6570\u8fde\u63a5\u5230SQLite\u6570\u636e\u5e93data.db\uff0c\u5e76\u521b\u5efa\u4e00\u4e2a\u6e38\u6807\u5bf9\u8c61cursor\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u4f7f\u7528cursor.execute()\u51fd\u6570\u67e5\u8be2\u8868students\u4e2d\u7684\u6240\u6709\u6570\u636e\uff0c\u5e76\u4f7f\u7528cursor.fetchall()\u51fd\u6570\u5c06\u67e5\u8be2\u7ed3\u679c\u4fdd\u5b58\u5230\u5bf9\u8c61data\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5e76\u6253\u5370\u67e5\u8be2\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u5728\u6cb3\u5357\u4f1a\u8003\u64cd\u4f5c\u9898\u4e2d\uff0c\u4fdd\u5b58\u6570\u636e\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u4fdd\u5b58\u6570\u636e\uff0c\u5305\u62ec\u4f7f\u7528pickle\u6a21\u5757\u3001\u4f7f\u7528shelve\u6a21\u5757\u3001\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6\uff08\u5982\u6587\u672c\u6587\u4ef6\u3001CSV\u6587\u4ef6\u548cJSON\u6587\u4ef6\uff09\u4ee5\u53ca\u5c06\u6570\u636e\u5199\u5165SQLite\u6570\u636e\u5e93\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u70b9\u548c\u9002\u7528\u573a\u666f\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7ba1\u7406\u548c\u4fdd\u5b58\u6570\u636e\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u4fdd\u5b58\u6570\u636e\u4ee5\u4fbf\u4e8e\u4f1a\u8003\u64cd\u4f5c\u9898\u4f7f\u7528\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u4fdd\u5b58\u6570\u636e\uff0c\u5e38\u7528\u7684\u65b9\u5f0f\u5305\u62ec\u5c06\u6570\u636e\u5199\u5165\u6587\u672c\u6587\u4ef6\u3001CSV\u6587\u4ef6\u6216\u4f7f\u7528\u6570\u636e\u5e93\u3002\u5bf9\u4e8e\u4f1a\u8003\u64cd\u4f5c\u9898\uff0c\u53ef\u4ee5\u5c06\u60a8\u7684\u4ee3\u7801\u548c\u7ed3\u679c\u8f93\u51fa\u5230\u6587\u672c\u6587\u4ef6\u4e2d\uff0c\u4f7f\u7528open()<\/code>\u51fd\u6570\u8fdb\u884c\u6587\u4ef6\u64cd\u4f5c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528with open('result.txt', 'w') as file:<\/code>\u53ef\u4ee5\u521b\u5efa\u6216\u6253\u5f00\u6587\u4ef6\u8fdb\u884c\u5199\u5165\u3002<\/p>\n
\u5728\u6cb3\u5357\u4f1a\u8003\u4e2d\uff0c\u5982\u4f55\u5904\u7406Python\u4fdd\u5b58\u6587\u4ef6\u7684\u76f8\u5173\u95ee\u9898\uff1f<\/strong>
\u5728\u6cb3\u5357\u4f1a\u8003\u4e2d\uff0c\u5904\u7406\u6587\u4ef6\u4fdd\u5b58\u65f6\uff0c\u786e\u4fdd\u60a8\u4e86\u89e3\u6587\u4ef6\u8def\u5f84\u548c\u6587\u4ef6\u6a21\u5f0f\u975e\u5e38\u91cd\u8981\u3002\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\u53ef\u4ee5\u907f\u514d\u6587\u4ef6\u627e\u4e0d\u5230\u7684\u95ee\u9898\u3002\u6b64\u5916\uff0c\u786e\u4fdd\u60a8\u5728\u4fdd\u5b58\u6587\u4ef6\u65f6\u9075\u5faa\u6b63\u786e\u7684\u683c\u5f0f\uff0c\u4ee5\u4fbf\u4e8e\u540e\u7eed\u8bfb\u53d6\u548c\u5904\u7406\u6570\u636e\u3002<\/p>\n
\u6709\u6ca1\u6709\u63a8\u8350\u7684Python\u5e93\u53ef\u4ee5\u5e2e\u52a9\u6211\u66f4\u65b9\u4fbf\u5730\u4fdd\u5b58\u6570\u636e\uff1f<\/strong>
\u662f\u7684\uff0cPython\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5f3a\u5927\u7684\u5e93\u6765\u5e2e\u52a9\u7b80\u5316\u6570\u636e\u4fdd\u5b58\u7684\u8fc7\u7a0b\u3002\u4f8b\u5982\uff0cpandas<\/code>\u5e93\u975e\u5e38\u9002\u5408\u5904\u7406\u8868\u683c\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u636e\u4fdd\u5b58\u4e3aCSV\u6587\u4ef6\u6216Excel\u6587\u4ef6\u3002\u53e6\u4e00\u4e2a\u63a8\u8350\u7684\u5e93\u662fjson<\/code>\uff0c\u5b83\u53ef\u4ee5\u5c06Python\u5bf9\u8c61\u4fdd\u5b58\u4e3aJSON\u683c\u5f0f\uff0c\u9002\u5408\u9700\u8981\u7ed3\u6784\u5316\u6570\u636e\u7684\u573a\u666f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528pickle\u6a21\u5757\u3001\u4f7f\u7528shelve\u6a21\u5757\u3001\u5c06\u6570\u636e\u5199\u5165\u6587\u4ef6 \u5728\u6cb3\u5357\u4f1a\u8003\u64cd\u4f5c\u9898\u4e2d\uff0c\u4fdd\u5b58\u6570\u636e\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u4efb\u52a1\u3002\u53ef\u4ee5 […]","protected":false},"author":3,"featured_media":1083376,"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\/1083370"}],"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=1083370"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1083370\/revisions"}],"predecessor-version":[{"id":1083384,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1083370\/revisions\/1083384"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1083376"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1083370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1083370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1083370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}