{"id":1052550,"date":"2024-12-31T14:26:05","date_gmt":"2024-12-31T06:26:05","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1052550.html"},"modified":"2024-12-31T14:26:07","modified_gmt":"2024-12-31T06:26:07","slug":"python%e5%a6%82%e4%bd%95%e4%bb%a5%e9%94%ae%e5%92%8c%e5%80%bc%e5%88%9b%e5%bb%ba%e5%ad%97%e5%85%b8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1052550.html","title":{"rendered":"python\u5982\u4f55\u4ee5\u952e\u548c\u503c\u521b\u5efa\u5b57\u5178"},"content":{"rendered":"

\"python\u5982\u4f55\u4ee5\u952e\u548c\u503c\u521b\u5efa\u5b57\u5178\"<\/p>\n

Python\u4ee5\u952e\u548c\u503c\u521b\u5efa\u5b57\u5178\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\uff1a\u4f7f\u7528\u82b1\u62ec\u53f7\u548c\u5192\u53f7\u3001\u4f7f\u7528dict()\u51fd\u6570\u3001\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528fromkeys()\u65b9\u6cd5\u3002<\/strong> \u5176\u4e2d\uff0c\u4f7f\u7528\u82b1\u62ec\u53f7\u548c\u5192\u53f7\u662f\u6700\u5e38\u89c1\u4e14\u76f4\u89c2\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0c\u5b57\u5178\u662f\u4e00\u79cd\u65e0\u5e8f\u3001\u53ef\u53d8\u548c\u6709\u7d22\u5f15\u7684\u6570\u636e\u7ed3\u6784\u3002\u5b83\u662f\u7531\u952e\u503c\u5bf9\u7ec4\u6210\u7684\u96c6\u5408\uff0c\u5176\u4e2d\u952e\u662f\u552f\u4e00\u7684\u6807\u8bc6\u7b26\uff0c\u800c\u503c\u662f\u4e0e\u952e\u76f8\u5173\u8054\u7684\u6570\u636e\u3002\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u662f\u4f7f\u7528\u82b1\u62ec\u53f7\u548c\u5192\u53f7\u6765\u521b\u5efa\u5b57\u5178<\/strong>\uff0c\u4f8b\u5982\uff1amy_dict = {'key1': 'value1', 'key2': 'value2'}<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u7b80\u5355\u76f4\u89c2\uff0c\u9002\u5408\u5927\u591a\u6570\u60c5\u51b5\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528\u82b1\u62ec\u53f7\u548c\u5192\u53f7<\/p>\n<\/p>\n

\u4f7f\u7528\u82b1\u62ec\u53f7\u548c\u5192\u53f7\u662f\u521b\u5efa\u5b57\u5178\u6700\u7b80\u5355\u3001\u6700\u5e38\u89c1\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5c06\u591a\u4e2a\u952e\u503c\u5bf9\u653e\u5165\u5b57\u5178\u4e2d\u3002<\/p>\n<\/p>\n

# \u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b57\u5178<\/p>\n
my_dict = {'name': 'Alice', 'age': 25, 'city': 'New York'}<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u5b57\u5178my_dict<\/code>\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u4e09\u4e2a\u952e\u503c\u5bf9\uff1aname<\/code>\u5bf9\u5e94Alice<\/code>\uff0cage<\/code>\u5bf9\u5e9425<\/code>\uff0ccity<\/code>\u5bf9\u5e94New York<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u76f4\u89c2\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528dict()\u51fd\u6570<\/p>\n<\/p>\n
dict()<\/code>\u51fd\u6570\u662fPython\u5185\u7f6e\u7684\u4e00\u4e2a\u51fd\u6570\uff0c\u7528\u4e8e\u521b\u5efa\u5b57\u5178\u3002\u5b83\u53ef\u4ee5\u63a5\u53d7\u591a\u4e2a\u952e\u503c\u5bf9\u4f5c\u4e3a\u53c2\u6570\uff0c\u6216\u8005\u901a\u8fc7\u4e00\u4e2a\u5305\u542b\u952e\u503c\u5bf9\u7684\u5217\u8868\u6216\u5143\u7ec4\u6765\u521b\u5efa\u5b57\u5178\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528dict()\u51fd\u6570\u521b\u5efa\u5b57\u5178<\/p>\n
my_dict = dict(name='Alice', age=25, city='New York')<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528dict()<\/code>\u51fd\u6570\u521b\u5efa\u4e86\u4e00\u4e2a\u5b57\u5178my_dict<\/code>\uff0c\u5176\u5185\u5bb9\u4e0e\u4e0a\u4e00\u4e2a\u4f8b\u5b50\u4e2d\u7684\u5b57\u5178\u76f8\u540c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4f7f\u7528dict()<\/code>\u51fd\u6570\u65f6\uff0c\u952e\u5fc5\u987b\u662f\u6709\u6548\u7684\u6807\u8bc6\u7b26\uff0c\u5373\u4e0d\u80fd\u5305\u542b\u7a7a\u683c\u3001\u7279\u6b8a\u5b57\u7b26\u7b49\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f<\/p>\n<\/p>\n
\u5b57\u5178\u63a8\u5bfc\u5f0f\u662f\u4e00\u79cd\u7b80\u6d01\u3001\u9ad8\u6548\u7684\u65b9\u5f0f\uff0c\u7528\u4e8e\u6839\u636e\u73b0\u6709\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\u521b\u5efa\u5b57\u5178\u3002\u5b83\u7c7b\u4f3c\u4e8e\u5217\u8868\u63a8\u5bfc\u5f0f\uff0c\u4f46\u8fd4\u56de\u7684\u662f\u4e00\u4e2a\u5b57\u5178\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u5b57\u5178<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
my_dict = {k: v for k, v in zip(keys, values)}<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5b57\u5178my_dict<\/code>\u3002\u9996\u5148\u5b9a\u4e49\u4e86\u4e24\u4e2a\u5217\u8868keys<\/code>\u548cvalues<\/code>\uff0c\u7136\u540e\u901a\u8fc7zip()<\/code>\u51fd\u6570\u5c06\u5b83\u4eec\u7ec4\u5408\u6210\u952e\u503c\u5bf9\uff0c\u6700\u540e\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u5c06\u8fd9\u4e9b\u952e\u503c\u5bf9\u653e\u5165\u5b57\u5178\u4e2d\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528fromkeys()\u65b9\u6cd5<\/p>\n<\/p>\n
fromkeys()<\/code>\u65b9\u6cd5\u662fPython\u5b57\u5178\u7684\u4e00\u4e2a\u7c7b\u65b9\u6cd5\uff0c\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u5178\uff0c\u5176\u4e2d\u6240\u6709\u952e\u90fd\u6765\u81ea\u4e8e\u4e00\u4e2a\u7ed9\u5b9a\u7684\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff0c\u5e76\u4e14\u6240\u6709\u503c\u90fd\u8bbe\u7f6e\u4e3a\u4e00\u4e2a\u7279\u5b9a\u7684\u503c\uff08\u9ed8\u8ba4\u503c\u4e3aNone<\/code>\uff09\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528fromkeys()\u65b9\u6cd5\u521b\u5efa\u5b57\u5178<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
my_dict = dict.fromkeys(keys, 'Unknown')<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528fromkeys()<\/code>\u65b9\u6cd5\u521b\u5efa\u4e86\u4e00\u4e2a\u5b57\u5178my_dict<\/code>\uff0c\u5176\u4e2d\u6240\u6709\u952e\u90fd\u6765\u81ea\u4e8e\u5217\u8868keys<\/code>\uff0c\u5e76\u4e14\u6240\u6709\u503c\u90fd\u8bbe\u7f6e\u4e3a'Unknown'<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u521d\u59cb\u5316\u5b57\u5178\u5e76\u4e3a\u6240\u6709\u952e\u8bbe\u7f6e\u76f8\u540c\u503c\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u901a\u8fc7\u5408\u5e76\u591a\u4e2a\u5b57\u5178<\/p>\n<\/p>\n
\u6709\u65f6\u6211\u4eec\u9700\u8981\u901a\u8fc7\u5408\u5e76\u591a\u4e2a\u5b57\u5178\u6765\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u5178\u3002\u53ef\u4ee5\u4f7f\u7528\u5b57\u5178\u7684update()<\/code>\u65b9\u6cd5\u6216\u8005\u5b57\u5178\u89e3\u5305\uff08\u5b57\u5178\u89e3\u6784\uff09\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528update()\u65b9\u6cd5\u5408\u5e76\u5b57\u5178<\/p>\n
dict1 = {'name': 'Alice', 'age': 25}<\/p>\n
dict2 = {'city': 'New York', 'country': 'USA'}<\/p>\n
dict1.update(dict2)<\/p>\n
\u8f93\u51fa\u5408\u5e76\u540e\u7684\u5b57\u5178<\/strong><\/h2>\n
print(dict1)<\/p>\n
<\/code><\/pre>\n<\/p>\n
# \u4f7f\u7528\u5b57\u5178\u89e3\u5305\u5408\u5e76\u5b57\u5178<\/p>\n
dict1 = {'name': 'Alice', 'age': 25}<\/p>\n
dict2 = {'city': 'New York', 'country': 'USA'}<\/p>\n
merged_dict = {<strong>dict1, <\/strong>dict2}<\/p>\n
\u8f93\u51fa\u5408\u5e76\u540e\u7684\u5b57\u5178<\/strong><\/h2>\n
print(merged_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e24\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u4f7f\u7528\u4e86update()<\/code>\u65b9\u6cd5\u548c\u5b57\u5178\u89e3\u5305\u7684\u65b9\u5f0f\u6765\u5408\u5e76\u5b57\u5178\u3002update()<\/code>\u65b9\u6cd5\u4f1a\u5c06dict2<\/code>\u4e2d\u7684\u952e\u503c\u5bf9\u66f4\u65b0\u5230dict1<\/code>\u4e2d\uff0c\u800c\u5b57\u5178\u89e3\u5305\u7684\u65b9\u5f0f\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5b57\u5178merged_dict<\/code>\uff0c\u5176\u5185\u5bb9\u662fdict1<\/code>\u548cdict2<\/code>\u7684\u5408\u5e76\u3002<\/p>\n<\/p>\n
\u516d\u3001\u901a\u8fc7\u96c6\u5408\u521b\u5efa\u5b57\u5178<\/p>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u901a\u8fc7\u96c6\u5408\uff08\u5982\u5217\u8868\u3001\u5143\u7ec4\u3001\u96c6\u5408\u7b49\uff09\u6765\u521b\u5efa\u5b57\u5178\u3002\u53ef\u4ee5\u4f7f\u7528zip()<\/code>\u51fd\u6570\u6216\u8005\u5b57\u5178\u63a8\u5bfc\u5f0f\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528zip()\u51fd\u6570\u521b\u5efa\u5b57\u5178<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
my_dict = dict(zip(keys, values))<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
# \u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u5b57\u5178<\/p>\n
keys = ['name', 'age', 'city']<\/p>\n
values = ['Alice', 25, 'New York']<\/p>\n
my_dict = {k: v for k, v in zip(keys, values)}<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e24\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u901a\u8fc7zip()<\/code>\u51fd\u6570\u5c06keys<\/code>\u548cvalues<\/code>\u5217\u8868\u7ec4\u5408\u6210\u952e\u503c\u5bf9\uff0c\u7136\u540e\u4f7f\u7528dict()<\/code>\u51fd\u6570\u6216\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u5b57\u5178\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5c06\u4e24\u4e2a\u96c6\u5408\u7ec4\u5408\u6210\u5b57\u5178\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u901a\u8fc7\u8bfb\u53d6\u6587\u4ef6\u521b\u5efa\u5b57\u5178<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178\u3002\u53ef\u4ee5\u4f7f\u7528\u6587\u4ef6\u64cd\u4f5c\u548c\u5b57\u7b26\u4e32\u5904\u7406\u7684\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u6587\u4ef6<\/p>\n
with open('data.txt', 'w') as file:<\/p>\n
    file.write('name: Alice\\n')<\/p>\n
    file.write('age: 25\\n')<\/p>\n
    file.write('city: New York\\n')<\/p>\n
\u4ece\u6587\u4ef6\u8bfb\u53d6\u6570\u636e\u5e76\u521b\u5efa\u5b57\u5178<\/strong><\/h2>\n
my_dict = {}<\/p>\n
with open('data.txt', 'r') as file:<\/p>\n
    for line in file:<\/p>\n
        key, value = line.strip().split(': ')<\/p>\n
        my_dict[key] = value<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u793a\u4f8b\u6587\u4ef6data.txt<\/code>\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u952e\u503c\u5bf9\u6570\u636e\u3002\u7136\u540e\uff0c\u901a\u8fc7\u6587\u4ef6\u64cd\u4f5c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u5e76\u4f7f\u7528\u5b57\u7b26\u4e32\u5904\u7406\u65b9\u6cd5\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178my_dict<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u4ece\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u5e76\u8f6c\u6362\u4e3a\u5b57\u5178\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u516b\u3001\u901a\u8fc7JSON\u6570\u636e\u521b\u5efa\u5b57\u5178<\/p>\n<\/p>\n
JSON\uff08JavaScript Object Notation\uff09\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u5e7f\u6cdb\u7528\u4e8e\u7f51\u7edc\u901a\u4fe1\u3002Python\u63d0\u4f9b\u4e86\u5185\u7f6e\u7684json<\/code>\u6a21\u5757\uff0c\u7528\u4e8e\u5904\u7406JSON\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528json.loads()<\/code>\u51fd\u6570\u5c06JSON\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3a\u5b57\u5178\u3002<\/p>\n<\/p>\n
import json<\/p>\n
\u793a\u4f8bJSON\u6570\u636e<\/strong><\/h2>\n
json_data = '{"name": "Alice", "age": 25, "city": "New York"}'<\/p>\n
\u5c06JSON\u6570\u636e\u8f6c\u6362\u4e3a\u5b57\u5178<\/strong><\/h2>\n
my_dict = json.loads(json_data)<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542bJSON\u6570\u636e\u7684\u5b57\u7b26\u4e32json_data<\/code>\uff0c\u7136\u540e\u4f7f\u7528json.loads()<\/code>\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178my_dict<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406JSON\u6570\u636e\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u4e5d\u3001\u901a\u8fc7\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u521b\u5efa\u5b57\u5178<\/p>\n<\/p>\n
\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u6570\u636e\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178\u3002\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5e93\u8fde\u63a5\u5e93\uff08\u5982sqlite3<\/code>\u3001pymysql<\/code>\u7b49\uff09\u548c\u67e5\u8be2\u7ed3\u679c\u5904\u7406\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
import sqlite3<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u793a\u4f8b\u6570\u636e\u5e93\u5e76\u63d2\u5165\u6570\u636e<\/strong><\/h2>\n
conn = sqlite3.connect(':memory:')<\/p>\n
cursor = conn.cursor()<\/p>\n
cursor.execute('CREATE TABLE users (name TEXT, age INTEGER, city TEXT)')<\/p>\n
cursor.execute('INSERT INTO users VALUES ("Alice", 25, "New York")')<\/p>\n
conn.commit()<\/p>\n
\u4ece\u6570\u636e\u5e93\u67e5\u8be2\u6570\u636e\u5e76\u521b\u5efa\u5b57\u5178<\/strong><\/h2>\n
cursor.execute('SELECT * FROM users')<\/p>\n
result = cursor.fetchone()<\/p>\n
keys = [description[0] for description in cursor.description]<\/p>\n
my_dict = dict(zip(keys, result))<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/h2>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u521b\u5efa\u4e86\u4e00\u4e2a\u5185\u5b58\u6570\u636e\u5e93\uff0c\u5e76\u63d2\u5165\u4e86\u4e00\u6761\u793a\u4f8b\u6570\u636e\u3002\u7136\u540e\uff0c\u901a\u8fc7\u67e5\u8be2\u6570\u636e\u5e93\u83b7\u53d6\u6570\u636e\uff0c\u5e76\u4f7f\u7528zip()<\/code>\u51fd\u6570\u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3a\u5b57\u5178my_dict<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u4ece\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u6570\u636e\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u5b57\u5178\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u5341\u3001\u901a\u8fc7\u7c7b\u5b9e\u4f8b\u521b\u5efa\u5b57\u5178<\/p>\n<\/p>\n
\u5728\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u4e2d\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5c06\u7c7b\u7684\u5b9e\u4f8b\u8f6c\u6362\u4e3a\u5b57\u5178\u3002\u53ef\u4ee5\u4f7f\u7528\u7c7b\u7684__dict__<\/code>\u5c5e\u6027\u6216\u8005\u81ea\u5b9a\u4e49\u65b9\u6cd5\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
class User:<\/p>\n
    def __init__(self, name, age, city):<\/p>\n
        self.name = name<\/p>\n
        self.age = age<\/p>\n
        self.city = city<\/p>\n
\u521b\u5efa\u7c7b\u7684\u5b9e\u4f8b<\/strong><\/h2>\n
user = User(name='Alice', age=25, city='New York')<\/p>\n
\u5c06\u7c7b\u7684\u5b9e\u4f8b\u8f6c\u6362\u4e3a\u5b57\u5178<\/strong><\/h2>\n
my_dict = user.__dict__<\/p>\n
\u8f93\u51fa\u5b57\u5178<\/strong><\/h2>\n
print(my_dict)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7bUser<\/code>\uff0c\u5e76\u521b\u5efa\u4e86\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8buser<\/code>\u3002\u7136\u540e\uff0c\u901a\u8fc7__dict__<\/code>\u5c5e\u6027\u5c06\u7c7b\u7684\u5b9e\u4f8b\u8f6c\u6362\u4e3a\u5b57\u5178my_dict<\/code>\u3002\u8fd9\u79cd\u65b9\u6cd5\u9002\u7528\u4e8e\u9700\u8981\u5c06\u7c7b\u7684\u5b9e\u4f8b\u8f6c\u6362\u4e3a\u5b57\u5178\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u5341\u79cd\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u548c\u573a\u666f\uff0c\u4ee5\u952e\u548c\u503c\u521b\u5efa\u5b57\u5178\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u9002\u7528\u7684\u573a\u666f\u548c\u4f18\u70b9\uff0c\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6548\u7387\u3002\u65e0\u8bba\u662f\u7b80\u5355\u7684\u82b1\u62ec\u53f7\u548c\u5192\u53f7\u65b9\u5f0f\uff0c\u8fd8\u662f\u590d\u6742\u7684\u6570\u636e\u5e93\u67e5\u8be2\u7ed3\u679c\u5904\u7406\uff0cPython\u90fd\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548c\u65b9\u6cd5\u6765\u6ee1\u8db3\u6211\u4eec\u7684\u9700\u6c42\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u4f7f\u7528\u5217\u8868\u521b\u5efa\u5b57\u5178\uff1f<\/strong>
\u53ef\u4ee5\u4f7f\u7528zip()\u51fd\u6570\u7ed3\u5408dict()\u51fd\u6570\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u5b57\u5178\u3002\u5217\u8868\u4e2d\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u5c06\u4f5c\u4e3a\u5b57\u5178\u7684\u952e\uff0c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u5c06\u4f5c\u4e3a\u503c\u3002\u4f8b\u5982\uff1a  <\/p>\n
keys = ['a', 'b', 'c']\nvalues = [1, 2, 3]\nmy_dict = dict(zip(keys, values))\n<\/code><\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u5c06\u521b\u5efa\u4e00\u4e2a\u5b57\u5178\uff1a{'a': 1, 'b': 2, 'c': 3}<\/code>\u3002<\/p>\n
\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u521b\u5efa\u5b57\u5178\u7684\u597d\u5904\u662f\u4ec0\u4e48\uff1f<\/strong>
\u5b57\u5178\u63a8\u5bfc\u5f0f\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u6d01\u7684\u65b9\u5f0f\u6765\u521b\u5efa\u5b57\u5178\u3002\u5b83\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5177\u53ef\u8bfb\u6027\u548c\u7b80\u6d01\u6027\u3002\u4f8b\u5982\uff1a  <\/p>\n
my_dict = {x: x**2 for x in range(5)}\n<\/code><\/pre>\n
\u8fd9\u5c06\u751f\u6210\u4e00\u4e2a\u5b57\u5178\uff0c\u952e\u662f0\u52304\u7684\u6570\u5b57\uff0c\u503c\u662f\u5b83\u4eec\u7684\u5e73\u65b9\uff1a{0: 0, 1: 1, 2: 4, 3: 9, 4: 16}<\/code>\u3002\u5b57\u5178\u63a8\u5bfc\u5f0f\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\u5c24\u5176\u9ad8\u6548\u3002<\/p>\n
\u5982\u4f55\u907f\u514d\u5728Python\u4e2d\u521b\u5efa\u5177\u6709\u76f8\u540c\u952e\u7684\u5b57\u5178\uff1f<\/strong>
\u5728\u521b\u5efa\u5b57\u5178\u65f6\uff0c\u5982\u679c\u5b58\u5728\u76f8\u540c\u7684\u952e\uff0c\u540e\u9762\u7684\u503c\u5c06\u8986\u76d6\u524d\u9762\u7684\u503c\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u4ee5\u5728\u6784\u5efa\u5b57\u5178\u65f6\u68c0\u67e5\u952e\u662f\u5426\u5df2\u5b58\u5728\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u4e00\u4e2aif\u8bed\u53e5\u6765\u786e\u4fdd\u952e\u662f\u552f\u4e00\u7684\uff1a<\/p>\n
my_dict = {}\nfor key, value in pAI<\/a>rs:\n    if key not in my_dict:\n        my_dict[key] = value\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u5b57\u5178\u4e2d\u7684\u6bcf\u4e2a\u952e\u90fd\u662f\u552f\u4e00\u7684\uff0c\u907f\u514d\u6570\u636e\u4e22\u5931\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4ee5\u952e\u548c\u503c\u521b\u5efa\u5b57\u5178\u7684\u65b9\u6cd5\u4e3b\u8981\u6709\uff1a\u4f7f\u7528\u82b1\u62ec\u53f7\u548c\u5192\u53f7\u3001\u4f7f\u7528dict()\u51fd\u6570\u3001\u4f7f\u7528\u5b57\u5178\u63a8\u5bfc\u5f0f\u3001\u4f7f\u7528from […]","protected":false},"author":3,"featured_media":1052553,"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\/1052550"}],"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=1052550"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1052550\/revisions"}],"predecessor-version":[{"id":1052555,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1052550\/revisions\/1052555"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1052553"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1052550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1052550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1052550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}