{"id":2966,"date":"2025-06-03T16:51:29","date_gmt":"2025-06-04T09:16:29","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2966"},"modified":"2025-06-04T16:51:29","modified_gmt":"2025-06-04T09:16:29","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84bool%e5%87%bd%e6%95%b8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84bool%e5%87%bd%e6%95%b8\/","title":{"rendered":"\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 bool() \u51fd\u6578\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u53ca\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 bool() \u51fd\u6578\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u53ca\u6700\u4f73\u5be6\u8e10<\/h1>\n

\u5728 Python \u7a0b\u5f0f\u8a2d\u8a08\u4e2d\uff0c`bool()` \u51fd\u6578\u662f\u4e00\u500b\u91cd\u8981\u7684\u5167\u5efa\u51fd\u6578\uff0c\u5b83\u80fd\u5c07\u4efb\u4f55\u7269\u4ef6\u8f49\u63db\u70ba\u5e03\u6797\u503c\uff08`True` \u6216 `False`\uff09\u3002\u9019\u500b\u51fd\u6578\u4e0d\u50c5\u80fd\u7528\u4f86\u5224\u65b7\u7269\u4ef6\u7684\u771f\u5047\uff0c\u9084\u662f\u8a31\u591a\u689d\u4ef6\u5224\u65b7\u548c\u908f\u8f2f\u904b\u7b97\u7684\u57fa\u77f3\u3002<\/p>\n

### bool() \u51fd\u6578\u7684\u57fa\u672c\u7528\u6cd5<\/p>\n

`bool()` \u51fd\u6578\u63a5\u53d7\u4efb\u4f55\u7269\u4ef6\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u6839\u64da\u4ee5\u4e0b\u898f\u5247\u8fd4\u56de\u5e03\u6797\u503c\uff1a
\n– \u82e5\u53c3\u6578\u70ba `0`\u3001\u7a7a\u5b57\u4e32 `””`\u3001\u7a7a\u5217\u8868 `[]`\u3001\u7a7a\u5b57\u5178 `{}`\u3001\u7a7a\u96c6\u5408 `set()` \u6216 `None`\uff0c\u5247\u8fd4\u56de `False`\u3002
\n– \u5176\u4ed6\u60c5\u6cc1\u4e0b\uff0c\u8fd4\u56de `True`\u3002<\/p>\n

### bool() \u51fd\u6578\u7684\u7bc4\u4f8b<\/p>\n

\u4ee5\u4e0b\u662f\u4e00\u4e9b Python \u4ee3\u78bc\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3 `bool()` \u51fd\u6578\u7684\u904b\u4f5c\uff1a<\/p>\n

“`python
\n# \u6574\u6578
\nprint(bool(0)) # False
\nprint(bool(1)) # True<\/p>\n

# \u6d6e\u9ede\u6578
\nprint(bool(0.0)) # False
\nprint(bool(1.0)) # True<\/p>\n

# \u5b57\u4e32
\nprint(bool(“”)) # False
\nprint(bool(“Hello”)) # True<\/p>\n

# \u5217\u8868
\nprint(bool([])) # False
\nprint(bool([1, 2, 3])) # True<\/p>\n

# \u5b57\u5178
\nprint(bool({})) # False
\nprint(bool({‘name’: ‘John’})) # True<\/p>\n

# \u96c6\u5408
\nprint(bool(set())) # False
\nprint(bool({1, 2, 3})) # True<\/p>\n

# None
\nprint(bool(None)) # False
\n“`<\/p>\n

\u5f9e\u4e0a\u8ff0\u7bc4\u4f8b\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u6e05\u695a\u770b\u5230 `bool()` \u51fd\u6578\u5982\u4f55\u5224\u65b7\u4e0d\u540c\u985e\u578b\u7684\u7269\u4ef6\u3002<\/p>\n

### bool() \u51fd\u6578\u7684\u61c9\u7528\u7bc4\u4f8b<\/p>\n

`bool()` \u51fd\u6578\u5728\u5be6\u969b\u7a0b\u5f0f\u78bc\u4e2d\u6709\u8a31\u591a\u61c9\u7528\u5834\u666f\uff0c\u4f8b\u5982\u689d\u4ef6\u5224\u65b7\uff1a<\/p>\n

“`python
\nx = 5
\nif bool(x):
\n print(“x is true”)
\nelse:
\n print(“x is false”)
\n“`<\/p>\n

\u6b64\u5916\uff0c`bool()` \u51fd\u6578\u4e5f\u80fd\u7528\u65bc\u6bd4\u8f03\u5169\u500b\u7269\u4ef6\uff1a<\/p>\n

“`python
\ny = 0
\nif bool(x) == bool(y):
\n print(“x and y are equal”)
\nelse:
\n print(“x and y are not equal”)
\n“`<\/p>\n

\u5728\u6bd4\u8f03\u7269\u4ef6\u7684\u5927\u5c0f\u6216\u578b\u614b\u6642\uff0c`bool()` \u4e5f\u80fd\u767c\u63ee\u4f5c\u7528\uff1a<\/p>\n

“`python
\nif bool(x) > bool(y):
\n print(“x is greater than y”)
\nelse:
\n print(“x is not greater than y”)<\/p>\n

if type(x) == type(y):
\n print(“x and y are of the same type”)
\nelse:
\n print(“x and y are of different types”)
\n“`<\/p>\n

\u7e3d\u7684\u4f86\u8aaa\uff0c`bool()` \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5728\u591a\u7a2e\u60c5\u5883\u4e0b\u5e6b\u52a9\u958b\u767c\u8005\u9032\u884c\u908f\u8f2f\u5224\u65b7\u3002<\/p>\n

### \u9032\u4e00\u6b65\u5b78\u7fd2<\/p>\n

\u4e86\u89e3 `bool()` \u51fd\u6578\u5f8c\uff0c\u4f60\u53ef\u80fd\u6703\u60f3\u8981\u6df1\u5165\u5b78\u7fd2 Python \u7684\u5176\u4ed6\u5167\u5efa\u51fd\u6578\u6216\u689d\u4ef6\u8a9e\u53e5\u3002\u5efa\u8b70\u53c3\u8003 [\u9019\u7bc7 Python \u6559\u5b78](https:\/\/vocus.cc\/article\/5f1234567890abcdef123456) \u4ee5\u7372\u5f97\u66f4\u591a\u76f8\u95dc\u8cc7\u8a0a\u3002<\/p>\n

### Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n

**Q1\uff1a`bool()` \u51fd\u6578\u70ba\u4f55\u6703\u8fd4\u56de `False`\uff1f**
\nA1\uff1a`bool()` \u51fd\u6578\u8fd4\u56de `False` \u7684\u60c5\u6cc1\u5305\u62ec\uff1a\u7576\u53c3\u6578\u70ba `0`\u3001\u7a7a\u5b57\u4e32\u3001\u7a7a\u5217\u8868\u3001\u7a7a\u5b57\u5178\u3001\u7a7a\u96c6\u5408\u6216 `None`\u3002<\/p>\n

**Q2\uff1a\u5982\u4f55\u4f7f\u7528 `bool()` \u51fd\u6578\u9032\u884c\u689d\u4ef6\u5224\u65b7\uff1f**
\nA2\uff1a\u53ef\u4ee5\u7528 `bool()` \u5c07\u8b8a\u6578\u5305\u88dd\u5728 `if` \u8a9e\u53e5\u4e2d\uff0c\u6839\u64da\u8fd4\u56de\u7684\u5e03\u6797\u503c\u57f7\u884c\u76f8\u61c9\u7684\u7a0b\u5f0f\u78bc\u3002<\/p>\n

**Q3\uff1a`bool()` \u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u54ea\u4e9b\u8cc7\u6599\u985e\u578b\uff1f**
\nA3\uff1a`bool()` \u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u6240\u6709 Python \u652f\u63f4\u7684\u8cc7\u6599\u985e\u578b\uff0c\u5305\u62ec\u6578\u5b57\u3001\u5b57\u4e32\u3001\u5217\u8868\u3001\u5b57\u5178\u53ca\u96c6\u5408\u7b49\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e86\u89e3Python\u4e2d\u7684bool()\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u5c07\u4efb\u4f55\u503c\u8f49\u63db\u70ba\u5e03\u6797\u503c\uff0c\u4e26\u63d0\u4f9b\u6709\u95dc\u8a72\u503c\u7684\u6709\u7528\u4fe1\u606f\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39bool()\u51fd\u6578\u7684\u7528\u6cd5\uff0c\u4ee5\u53ca\u5b83\u5982\u4f55\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684Python\u7a0b\u5e8f\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-2966","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-LQ","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2966","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=2966"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2966\/revisions"}],"predecessor-version":[{"id":12998,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2966\/revisions\/12998"}],"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=2966"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2966"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2966"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}