{"id":1104331,"date":"2025-01-08T16:19:43","date_gmt":"2025-01-08T08:19:43","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1104331.html"},"modified":"2025-01-08T16:19:47","modified_gmt":"2025-01-08T08:19:47","slug":"python%e5%a6%82%e4%bd%95%e5%b0%86%e8%be%93%e5%87%ba%e9%95%bf%e5%ba%a6%e4%b8%80%e8%87%b4","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1104331.html","title":{"rendered":"python\u5982\u4f55\u5c06\u8f93\u51fa\u957f\u5ea6\u4e00\u81f4"},"content":{"rendered":"

\"python\u5982\u4f55\u5c06\u8f93\u51fa\u957f\u5ea6\u4e00\u81f4\"<\/p>\n

\u5728Python\u4e2d\u786e\u4fdd\u8f93\u51fa\u957f\u5ea6\u4e00\u81f4\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u586b\u5145\u5b57\u7b26\u3001\u4ee5\u53ca\u8c03\u6574\u5b57\u7b26\u4e32\u957f\u5ea6\u7b49\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001ljust() \u548c rjust() \u65b9\u6cd5\u3001zfill() \u65b9\u6cd5\u3002<\/strong><\/p>\n<\/p>\n

\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/strong> \u662f\u4e00\u79cd\u975e\u5e38\u6709\u6548\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u6307\u5b9a\u5bbd\u5ea6\u6765\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u4f7f\u7528Python\u7684f\u5b57\u7b26\u4e32\u6216\u8005format\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4f7f\u7528\u683c\u5f0f\u5316\u65b9\u6cd5\u4e0d\u4ec5\u53ef\u4ee5\u5bf9\u9f50\u6570\u5b57\uff0c\u8fd8\u53ef\u4ee5\u5bf9\u9f50\u5b57\u7b26\u4e32\u7b49\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n

\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/h3>\n<\/p>\n

Python\u4e2d\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u6709\u5f88\u591a\u79cd\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ecf\u5b57\u7b26\u4e32\u548cformat\u65b9\u6cd5\u3002\u8fd9\u4e24\u79cd\u65b9\u6cd5\u90fd\u53ef\u4ee5\u7528\u6765\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\u3002<\/p>\n<\/p>\n

f\u5b57\u7b26\u4e32<\/h4>\n<\/p>\n

f\u5b57\u7b26\u4e32\u662f\u5728Python 3.6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u5728\u5b57\u7b26\u4e32\u524d\u9762\u52a0\u4e0a\u5b57\u6bcdf\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5927\u62ec\u53f7{}\u6765\u5305\u542b\u53d8\u91cf\u548c\u8868\u8fbe\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n

name = "Alice"<\/p>\n
age = 30<\/p>\n
formatted_string = f"Name: {name:<10} Age: {age:>5}"<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c{name:<10}<\/code>\u8868\u793aname\u53d8\u91cf\u7684\u503c\u5de6\u5bf9\u9f50\uff0c\u5e76\u5360\u752810\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\uff0c\u800c{age:>5}<\/code>\u8868\u793aage\u53d8\u91cf\u7684\u503c\u53f3\u5bf9\u9f50\uff0c\u5e76\u5360\u75285\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\u3002\u8fd9\u786e\u4fdd\u4e86\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\u3002<\/p>\n<\/p>\n
format\u65b9\u6cd5<\/h4>\n<\/p>\n
format\u65b9\u6cd5\u662fPython 2.7\u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\u5f15\u5165\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3002\u5b83\u901a\u8fc7\u4f7f\u7528\u5b57\u7b26\u4e32\u7684format\u65b9\u6cd5\uff0c\u5e76\u5728\u5b57\u7b26\u4e32\u4e2d\u4f7f\u7528\u5927\u62ec\u53f7{}\u6765\u5305\u542b\u53d8\u91cf\u548c\u8868\u8fbe\u5f0f\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
name = "Bob"<\/p>\n
age = 25<\/p>\n
formatted_string = "Name: {:<10} Age: {:>5}".format(name, age)<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c{:<10}<\/code>\u548c{:>5}<\/code>\u7684\u542b\u4e49\u4e0ef\u5b57\u7b26\u4e32\u4e2d\u7684\u7c7b\u4f3c\uff0c\u5206\u522b\u8868\u793a\u5de6\u5bf9\u9f50\u548c\u53f3\u5bf9\u9f50\uff0c\u5e76\u5360\u7528\u6307\u5b9a\u7684\u5b57\u7b26\u6570\u3002<\/p>\n<\/p>\n
ljust() \u548c rjust() \u65b9\u6cd5<\/h3>\n<\/p>\n
Python\u7684\u5b57\u7b26\u4e32\u5bf9\u8c61\u63d0\u4f9b\u4e86ljust()\u548crjust()\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u6765\u5c06\u5b57\u7b26\u4e32\u586b\u5145\u5230\u6307\u5b9a\u7684\u957f\u5ea6\u3002ljust()\u65b9\u6cd5\u7528\u4e8e\u5de6\u5bf9\u9f50\uff0crjust()\u65b9\u6cd5\u7528\u4e8e\u53f3\u5bf9\u9f50\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
name = "Charlie"<\/p>\n
formatted_string = name.ljust(10) + "is a student"<\/p>\n
print(formatted_string)<\/p>\n
formatted_string = name.rjust(10) + " is a student"<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cname.ljust(10)<\/code>\u8868\u793a\u5c06name\u53d8\u91cf\u7684\u503c\u5de6\u5bf9\u9f50\uff0c\u5e76\u586b\u5145\u523010\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\uff0c\u800cname.rjust(10)<\/code>\u8868\u793a\u5c06name\u53d8\u91cf\u7684\u503c\u53f3\u5bf9\u9f50\uff0c\u5e76\u586b\u5145\u523010\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
zfill() \u65b9\u6cd5<\/h3>\n<\/p>\n
zfill()\u65b9\u6cd5\u7528\u4e8e\u5728\u5b57\u7b26\u4e32\u7684\u5de6\u4fa7\u586b\u5145\u96f6\uff0c\u4ee5\u786e\u4fdd\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8fbe\u5230\u6307\u5b9a\u7684\u957f\u5ea6\u3002\u8fd9\u4e2a\u65b9\u6cd5\u901a\u5e38\u7528\u4e8e\u5904\u7406\u6570\u5b57\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
number = "42"<\/p>\n
formatted_string = number.zfill(5)<\/p>\n
print(formatted_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0cnumber.zfill(5)<\/code>\u8868\u793a\u5728number\u53d8\u91cf\u7684\u503c\u5de6\u4fa7\u586b\u5145\u96f6\uff0c\u4ee5\u786e\u4fdd\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8fbe\u52305\u4e2a\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u7efc\u5408\u4f7f\u7528\u793a\u4f8b<\/h3>\n<\/p>\n
\u901a\u8fc7\u7efc\u5408\u4f7f\u7528\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
data = [<\/p>\n
    {"name": "Alice", "age": 30, "score": 95.5},<\/p>\n
    {"name": "Bob", "age": 25, "score": 88.0},<\/p>\n
    {"name": "Charlie", "age": 22, "score": 92.3}<\/p>\n
]<\/p>\n
print(f"{'Name':<10} {'Age':>5} {'Score':>7}")<\/p>\n
for item in data:<\/p>\n
    print(f"{item['name']:<10} {item['age']:>5} {item['score']:>7.2f}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7\u4f7f\u7528f\u5b57\u7b26\u4e32\u548c\u6307\u5b9a\u5bbd\u5ea6\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\uff0c\u5e76\u4e14\u5bf9\u9f50\u6548\u679c\u826f\u597d\u3002<\/p>\n<\/p>\n
\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u4f7f\u7528Python\u4e2d\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u3001ljust()\u548crjust()\u65b9\u6cd5\u3001zfill()\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\u3002\u8fd9\u4e9b\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u5bf9\u9f50\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u7b49\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u4ece\u800c\u4f7f\u8f93\u51fa\u7ed3\u679c\u66f4\u52a0\u6574\u9f50\u548c\u7f8e\u89c2\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684\u683c\u5f0f\u5316\u65b9\u6cd5\u6765\u786e\u4fdd\u8f93\u51fa\u7684\u957f\u5ea6\u4e00\u81f4\u3002\u4f8b\u5982\uff0c\u4f7f\u7528str.ljust()<\/code>\u3001str.rjust()<\/code>\u6216str.center()<\/code>\u65b9\u6cd5\u6765\u8bbe\u7f6e\u5b57\u7b26\u4e32\u7684\u5bf9\u9f50\u65b9\u5f0f\u3002\u6216\u8005\uff0c\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff08\u5982f-strings\uff09\u6765\u6307\u5b9a\u5bbd\u5ea6\u3002\u4f8b\u5982\uff0cf"{value:>10}"<\/code>\u5c06\u503c\u53f3\u5bf9\u9f50\u5e76\u586b\u5145\u523010\u4e2a\u5b57\u7b26\u5bbd\u5ea6\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u5904\u7406\u4e0d\u540c\u957f\u5ea6\u7684\u6570\u5b57\u8f93\u51fa\uff1f<\/strong>
\u4e3a\u4e86\u5904\u7406\u4e0d\u540c\u957f\u5ea6\u7684\u6570\u5b57\u8f93\u51fa\uff0c\u53ef\u4ee5\u4f7f\u7528format()<\/code>\u51fd\u6570\u6216\u8005f-strings\u6765\u6307\u5b9a\u8f93\u51fa\u7684\u683c\u5f0f\u3002\u4f8b\u5982\uff0c"{:03}".format(number)<\/code>\u6216f"{number:03}"<\/code>\u4f1a\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u81f3\u5c113\u4f4d\uff0c\u524d\u9762\u75280\u586b\u5145\u3002\u8fd9\u79cd\u65b9\u5f0f\u4fdd\u8bc1\u4e86\u6570\u5b57\u8f93\u51fa\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
\u6709\u4ec0\u4e48\u65b9\u6cd5\u53ef\u4ee5\u786e\u4fdd\u5217\u8868\u8f93\u51fa\u7684\u6574\u9f50\u6027\uff1f<\/strong>
\u4e3a\u4e86\u786e\u4fdd\u5217\u8868\u8f93\u51fa\u6574\u9f50\uff0c\u53ef\u4ee5\u4f7f\u7528pandas<\/code>\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u683c\u5f0f\u5316\u8f93\u51fa\u3002\u6b64\u5916\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u5faa\u73af\u904d\u5386\u5217\u8868\uff0c\u5e76\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\u6765\u786e\u4fdd\u6bcf\u4e2a\u5143\u7d20\u7684\u5bbd\u5ea6\u4e00\u81f4\uff0c\u4ece\u800c\u5b9e\u73b0\u6574\u9f50\u7684\u8f93\u51fa\u6548\u679c\u3002<\/p>\n
\u5728Python\u4e2d\uff0c\u5982\u4f55\u8f93\u51fa\u8868\u683c\u5f62\u5f0f\u7684\u6570\u636e\uff1f<\/strong>
\u82e5\u8981\u4ee5\u8868\u683c\u5f62\u5f0f\u8f93\u51fa\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528prettytable<\/code>\u6216tabulate<\/code>\u5e93\u3002\u8fd9\u4e9b\u5e93\u63d0\u4f9b\u4e86\u7b80\u5355\u7684\u65b9\u6cd5\u6765\u521b\u5efa\u548c\u683c\u5f0f\u5316\u8868\u683c\uff0c\u4f7f\u8f93\u51fa\u66f4\u52a0\u7f8e\u89c2\u4e14\u6613\u4e8e\u9605\u8bfb\u3002\u901a\u8fc7\u5b89\u88c5\u8fd9\u4e9b\u5e93\u540e\uff0c\u53ef\u4ee5\u5feb\u901f\u751f\u6210\u683c\u5f0f\u5316\u7684\u8868\u683c\u8f93\u51fa\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u786e\u4fdd\u8f93\u51fa\u957f\u5ea6\u4e00\u81f4\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001\u586b\u5145\u5b57\u7b26\u3001\u4ee5\u53ca\u8c03\u6574\u5b57\u7b26\u4e32\u957f\u5ea6\u7b49\uff0c\u5e38\u7528\u7684\u65b9\u6cd5\u6709\uff1a\u5b57\u7b26 […]","protected":false},"author":3,"featured_media":1104339,"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\/1104331"}],"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=1104331"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1104331\/revisions"}],"predecessor-version":[{"id":1104341,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1104331\/revisions\/1104341"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1104339"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1104331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1104331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1104331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}