{"id":3540,"date":"2025-05-29T14:44:34","date_gmt":"2025-06-04T07:20:33","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3540"},"modified":"2025-06-04T14:44:34","modified_gmt":"2025-06-04T07:20:33","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%adtype%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%adtype%e5%87%bd%e6%95%b8%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e6%87%89%e7%94%a8\/","title":{"rendered":"\u5168\u9762\u4e86\u89e3 Python \u4e2d\u7684 type() \u51fd\u6578\uff1a\u529f\u80fd\u3001\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10\uff082025 \u66f4\u65b0\u7248\uff09"},"content":{"rendered":"

<\/p>\n

\u5168\u9762\u4e86\u89e3 Python \u4e2d\u7684 type() \u51fd\u6578<\/h1>\n

Python \u7684 `type()` \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u4efb\u4f55\u7269\u4ef6\u7684\u985e\u578b\u3002\u9019\u5c0d\u65bc\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u7406\u89e3\u6578\u64da\u985e\u578b\u975e\u5e38\u91cd\u8981\uff0c\u5c24\u5176\u662f\u5728\u9032\u884c\u985e\u578b\u6aa2\u67e5\u548c\u8abf\u8a66\u6642\u3002\u4e0b\u9762\u5c07\u4ecb\u7d39 `type()` \u51fd\u6578\u7684\u7528\u6cd5\u3001\u793a\u4f8b\u53ca\u5176\u6700\u4f73\u5be6\u8e10\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5ef6\u4f38\u61c9\u7528\u548c\u932f\u8aa4\u6392\u9664\u7684\u5efa\u8b70\u3002<\/p>\n

type() \u51fd\u6578\u7684\u8a9e\u6cd5<\/h2>\n

`type()` \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

“`python
\ntype(object)
\n“`<\/p>\n

\u9019\u88e1\u7684 `object` \u662f\u8981\u6aa2\u67e5\u7684\u7269\u4ef6\uff0c\u53ef\u4ee5\u662f\u4efb\u4f55 Python \u652f\u63f4\u7684\u8cc7\u6599\u578b\u5225\u3002<\/p>\n

type() \u51fd\u6578\u7684\u4f7f\u7528\u793a\u4f8b<\/h2>\n

\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 `type()` \u51fd\u6578\u4f86\u6aa2\u67e5\u4e0d\u540c\u985e\u578b\u7684\u7269\u4ef6\uff1a<\/p>\n

“`python
\n# \u5b9a\u7fa9\u4e00\u500b\u6574\u6578
\na = 10<\/p>\n

# \u6aa2\u67e5 a \u7684\u985e\u578b
\nprint(type(a)) # \u8f38\u51fa: <\/p>\n

# \u5b9a\u7fa9\u4e00\u500b\u5b57\u7b26\u4e32
\nb = “Hello World”<\/p>\n

# \u6aa2\u67e5 b \u7684\u985e\u578b
\nprint(type(b)) # \u8f38\u51fa: <\/p>\n

# \u5b9a\u7fa9\u4e00\u500b\u5217\u8868
\nc = [1, 2, 3]\n

# \u6aa2\u67e5 c \u7684\u985e\u578b
\nprint(type(c)) # \u8f38\u51fa:
\n“`<\/p>\n

\u5f9e\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230 `type()` \u51fd\u6578\u8fd4\u56de\u4e86\u5c0d\u61c9\u7269\u4ef6\u7684\u985e\u578b\u3002<\/p>\n

type() \u51fd\u6578\u7684\u512a\u9ede<\/h2>\n

`type()` \u51fd\u6578\u7684\u4e3b\u8981\u512a\u52e2\u5728\u65bc\u5176\u7c21\u55ae\u6613\u7528\uff0c\u80fd\u5feb\u901f\u6aa2\u67e5\u7269\u4ef6\u985e\u578b\u3002\u9019\u5728\u9032\u884c\u6578\u64da\u9a57\u8b49\u6216\u985e\u578b\u6aa2\u67e5\u6642\u5c24\u5176\u91cd\u8981\u3002\u6bd4\u5982\uff0c\u4f60\u53ef\u4ee5\u7528 `type()` \u51fd\u6578\u4f86\u78ba\u8a8d\u4e00\u500b\u8b8a\u91cf\u662f\u5426\u70ba\u7279\u5b9a\u985e\u578b\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

“`python
\n# \u6aa2\u67e5 a \u662f\u5426\u662f int \u985e\u578b
\nif type(a) == int:
\n print(“a \u662f\u4e00\u500b\u6574\u6578”)
\n“`<\/p>\n

\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u8f38\u51fa\uff1a<\/p>\n

“`
\na \u662f\u4e00\u500b\u6574\u6578
\n“`<\/p>\n

\u5e38\u898b\u932f\u8aa4\u8207\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528 `type()` \u51fd\u6578\u6642\uff0c\u6709\u5e7e\u500b\u5e38\u898b\u7684\u932f\u8aa4\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n

1. **\u6aa2\u67e5\u904e\u7a0b\u4e2d\u7684\u985e\u578b\u4e0d\u5339\u914d**\uff1a\u5982\u679c\u4f60\u6aa2\u67e5\u7684\u7269\u4ef6\u985e\u578b\u4e0d\u6b63\u78ba\uff0c\u53ef\u80fd\u5c0e\u81f4\u9810\u671f\u5916\u7684\u932f\u8aa4\u3002\u5efa\u8b70\u4f7f\u7528 `isinstance()` \u51fd\u6578\u9032\u884c\u985e\u578b\u6aa2\u67e5\uff0c\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u3002<\/p>\n

“`python
\n if isinstance(a, int):
\n print(“a \u662f\u4e00\u500b\u6574\u6578”)
\n “`<\/p>\n

2. **\u672a\u8655\u7406\u7684\u7570\u5e38**\uff1a\u5728\u6aa2\u67e5\u7269\u4ef6\u985e\u578b\u4e4b\u524d\uff0c\u78ba\u4fdd\u8a72\u7269\u4ef6\u5b58\u5728\uff0c\u5426\u5247\u6703\u5f15\u767c `TypeError`\u3002<\/p>\n

\u5ef6\u4f38\u61c9\u7528<\/h2>\n

`type()` \u51fd\u6578\u4e0d\u50c5\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u57fa\u672c\u8cc7\u6599\u985e\u578b\uff0c\u9084\u53ef\u4ee5\u8207\u5176\u4ed6 Python \u51fd\u6578\u7d50\u5408\u4f7f\u7528\uff0c\u4f8b\u5982\u5728\u81ea\u5b9a\u7fa9\u51fd\u6578\u4e2d\u4f7f\u7528\uff1a<\/p>\n

“`python
\ndef describe_variable(var):
\n return f”The variable is of type: {type(var).__name__}”<\/p>\n

print(describe_variable(a)) # \u8f38\u51fa: The variable is of type: int
\n“`<\/p>\n

\u9019\u6bb5\u7a0b\u5f0f\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5c01\u88dd `type()` \u51fd\u6578\u7684\u7d50\u679c\uff0c\u8b93\u5176\u66f4\u52a0\u6613\u65bc\u7406\u89e3\u548c\u4f7f\u7528\u3002<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u672c\u6587\u4ecb\u7d39\u4e86 Python \u7684 `type()` \u51fd\u6578\uff0c\u5b83\u662f\u6aa2\u67e5\u7269\u4ef6\u985e\u578b\u7684\u91cd\u8981\u5de5\u5177\u3002\u7121\u8ad6\u662f\u5728\u958b\u767c\u904e\u7a0b\u4e2d\u9032\u884c\u6578\u64da\u9a57\u8b49\uff0c\u9084\u662f\u8abf\u8a66\u4ee3\u78bc\uff0c\u719f\u6089 `type()` \u51fd\u6578\u7684\u7528\u6cd5\u90fd\u80fd\u63d0\u9ad8\u4f60\u7684\u5de5\u4f5c\u6548\u7387\u3002\u6b32\u4e86\u89e3\u66f4\u591a Python \u6559\u5b78\uff0c\u8acb\u53c3\u8003 [vocus.cc \u7684 Python \u6559\u5b78\u6587\u7ae0](https:\/\/vocus.cc)\u3002<\/p>\n

\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff08Q&A\uff09<\/h2>\n

**Q1: type() \u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u81ea\u5b9a\u7fa9\u985e\u578b\u55ce\uff1f**
\nA1: \u662f\u7684\uff0c`type()` \u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u4efb\u4f55\u7269\u4ef6\u7684\u985e\u578b\uff0c\u5305\u62ec\u81ea\u5b9a\u7fa9\u985e\u578b\u3002<\/p>\n

**Q2: \u4f7f\u7528 type() \u51fd\u6578\u6642\uff0c\u70ba\u4ec0\u9ebc\u6709\u6642\u5019\u6703\u51fa\u73fe\u932f\u8aa4\uff1f**
\nA2: \u932f\u8aa4\u53ef\u80fd\u662f\u7531\u65bc\u6aa2\u67e5\u7684\u7269\u4ef6\u70ba `None` \u6216\u985e\u578b\u4e0d\u5339\u914d\u9020\u6210\u7684\uff0c\u5efa\u8b70\u4f7f\u7528 `isinstance()` \u51fd\u6578\u9032\u884c\u985e\u578b\u6aa2\u67e5\u3002<\/p>\n

**Q3: \u5982\u4f55\u5feb\u901f\u6aa2\u67e5\u4e00\u500b\u5217\u8868\u4e2d\u7684\u5143\u7d20\u985e\u578b\uff1f**
\nA3: \u53ef\u4ee5\u4f7f\u7528 `type()` \u8207\u5217\u8868\u63a8\u5c0e\u5f0f\u7d50\u5408\uff0c\u904d\u6b77\u5217\u8868\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\uff0c\u6aa2\u67e5\u5176\u985e\u578b\u3002<\/p>\n

“`python
\nmy_list = [1, “hello”, 3.14]\ntypes = [type(x) for x in my_list]\nprint(types) # \u8f38\u51fa: [, , ]\n“`
\n—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e86\u89e3Python\u4e2dtype()\u51fd\u6578\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u7269\u4ef6\u7684\u985e\u578b\uff0c\u4e26\u63d0\u4f9b\u6709\u95dc\u7269\u4ef6\u7684\u8a73\u7d30\u8cc7\u8a0a\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u6539\u5584\u7a0b\u5f0f\u78bc\u7684\u5efa\u8b70\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-3540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-V6","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3540","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=3540"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3540\/revisions"}],"predecessor-version":[{"id":12803,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3540\/revisions\/12803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3540"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}