{"id":1024209,"date":"2024-12-30T14:11:44","date_gmt":"2024-12-30T06:11:44","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1024209.html"},"modified":"2024-12-30T14:11:46","modified_gmt":"2024-12-30T06:11:46","slug":"python%e5%a6%82%e4%bd%95%e6%98%be%e7%a4%ba%e6%95%b0%e5%ad%97%e6%a0%bc%e5%bc%8f-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1024209.html","title":{"rendered":"python\u5982\u4f55\u663e\u793a\u6570\u5b57\u683c\u5f0f"},"content":{"rendered":"

\"python\u5982\u4f55\u663e\u793a\u6570\u5b57\u683c\u5f0f\"<\/p>\n

Python\u5982\u4f55\u663e\u793a\u6570\u5b57\u683c\u5f0f<\/strong><\/p>\n<\/p>\n

\u5728Python\u4e2d\u663e\u793a\u6570\u5b57\u683c\u5f0f\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001f\u5b57\u7b26\u4e32\u3001format()\u65b9\u6cd5\u3001\u5343\u5206\u4f4d\u5206\u9694\u7b26\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u8d27\u5e01\u683c\u5f0f<\/strong>\u7b49\u3002\u4ee5\u4e0b\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528f\u5b57\u7b26\u4e32\u3002f\u5b57\u7b26\u4e32\uff08\u6216\u79f0\u4e3af-strings\uff09\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5b83\u4ee5f\u5f00\u5934\uff0c\u5728\u5b57\u7b26\u4e32\u4e2d\u53ef\u4ee5\u76f4\u63a5\u5d4c\u5165\u53d8\u91cf\uff0c\u975e\u5e38\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b57\u7b26\u4e32\u683c\u5f0f\u5316<\/h3>\n<\/p>\n

\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u662fPython\u4e2d\u6700\u5e38\u7528\u7684\u663e\u793a\u6570\u5b57\u683c\u5f0f\u7684\u65b9\u6cd5\u4e4b\u4e00\u3002\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u53ef\u4ee5\u901a\u8fc7\u767e\u5206\u53f7\uff08%\uff09\u3001str.format()\u65b9\u6cd5\u548cf\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n

1\u3001\u767e\u5206\u53f7\uff08%\uff09\u683c\u5f0f\u5316<\/h4>\n<\/p>\n

\u4f7f\u7528\u767e\u5206\u53f7\uff08%\uff09\u8fdb\u884c\u683c\u5f0f\u5316\u662fPython\u4e2d\u8f83\u65e9\u7684\u4e00\u79cd\u65b9\u6cd5\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u683c\u5f0f\u5316\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u5b57\u7b26\u4e32\u7b49\u3002<\/p>\n<\/p>\n

num = 1234.56789<\/p>\n
formatted_num = '%.2f' % num<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001str.format()\u65b9\u6cd5<\/h4>\n<\/p>\n
str.format()\u65b9\u6cd5\u662fPython 2.7\u548c3.0\u5f15\u5165\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5b83\u6bd4\u767e\u5206\u53f7\u683c\u5f0f\u5316\u66f4\u5f3a\u5927\u548c\u7075\u6d3b\u3002<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = '{:.2f}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001f\u5b57\u7b26\u4e32\uff08f-strings\uff09<\/h4>\n<\/p>\n
f\u5b57\u7b26\u4e32\u662fPython 3.6\u5f15\u5165\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5b83\u4ee5f\u5f00\u5934\uff0c\u5b57\u7b26\u4e32\u4e2d\u53ef\u4ee5\u76f4\u63a5\u5d4c\u5165\u53d8\u91cf\uff0c\u975e\u5e38\u7b80\u6d01\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = f'{num:.2f}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5343\u5206\u4f4d\u5206\u9694\u7b26<\/h3>\n<\/p>\n
\u5728\u663e\u793a\u6570\u5b57\u65f6\uff0c\u6709\u65f6\u9700\u8981\u6dfb\u52a0\u5343\u5206\u4f4d\u5206\u9694\u7b26\u4ee5\u63d0\u9ad8\u53ef\u8bfb\u6027\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528str.format()\u65b9\u6cd5\u548cf\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
1\u3001str.format()\u65b9\u6cd5<\/h4>\n<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = '{:,.2f}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001f\u5b57\u7b26\u4e32\uff08f-strings\uff09<\/h4>\n<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = f'{num:,.2f}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5<\/h3>\n<\/p>\n
\u79d1\u5b66\u8ba1\u6570\u6cd5\u662f\u4e00\u79cd\u8868\u793a\u975e\u5e38\u5927\u6216\u975e\u5e38\u5c0f\u7684\u6570\u5b57\u7684\u65b9\u6cd5\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528str.format()\u65b9\u6cd5\u548cf\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
1\u3001str.format()\u65b9\u6cd5<\/h4>\n<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = '{:.2e}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1.23e+06<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001f\u5b57\u7b26\u4e32\uff08f-strings\uff09<\/h4>\n<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = f'{num:.2e}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1.23e+06<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u8d27\u5e01\u683c\u5f0f<\/h3>\n<\/p>\n
\u5728\u663e\u793a\u8d27\u5e01\u65f6\uff0c\u9700\u8981\u5305\u62ec\u8d27\u5e01\u7b26\u53f7\u548c\u5c0f\u6570\u70b9\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528locale\u6a21\u5757\u6765\u8bbe\u7f6e\u8d27\u5e01\u683c\u5f0f\u3002<\/p>\n<\/p>\n
1\u3001\u4f7f\u7528locale\u6a21\u5757<\/h4>\n<\/p>\n
import locale<\/p>\n
locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = locale.currency(num, grouping=True)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a$1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u81ea\u5b9a\u4e49\u8d27\u5e01\u683c\u5f0f<\/h4>\n<\/p>\n
\u5982\u679c\u4e0d\u9700\u8981\u4f7f\u7528locale\u6a21\u5757\uff0c\u4e5f\u53ef\u4ee5\u81ea\u5b9a\u4e49\u8d27\u5e01\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528f\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = f'${num:,.2f}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a$1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u767e\u5206\u6bd4\u683c\u5f0f<\/h3>\n<\/p>\n
\u5728\u663e\u793a\u767e\u5206\u6bd4\u65f6\uff0c\u9700\u8981\u5c06\u6570\u5b57\u4e58\u4ee5100\u5e76\u6dfb\u52a0\u767e\u5206\u53f7\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528str.format()\u65b9\u6cd5\u548cf\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
1\u3001str.format()\u65b9\u6cd5<\/h4>\n<\/p>\n
num = 0.1234<\/p>\n
formatted_num = '{:.2%}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a12.34%<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001f\u5b57\u7b26\u4e32\uff08f-strings\uff09<\/h4>\n<\/p>\n
num = 0.1234<\/p>\n
formatted_num = f'{num:.2%}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a12.34%<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u5bf9\u9f50\u548c\u586b\u5145<\/h3>\n<\/p>\n
\u5728\u663e\u793a\u6570\u5b57\u65f6\uff0c\u6709\u65f6\u9700\u8981\u5bf9\u9f50\u6216\u586b\u5145\u6570\u5b57\u3002\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528str.format()\u65b9\u6cd5\u548cf\u5b57\u7b26\u4e32\u6765\u5b9e\u73b0\u3002<\/p>\n<\/p>\n
1\u3001str.format()\u65b9\u6cd5<\/h4>\n<\/p>\n
\u5de6\u5bf9\u9f50\uff1a<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = '{:<10.2f}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1234.57    <\/p>\n
<\/code><\/pre>\n<\/p>\n
\u53f3\u5bf9\u9f50\uff1a<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = '{:>10.2f}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a    1234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u586b\u5145\uff1a<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = '{:0>10.2f}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a00001234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001f\u5b57\u7b26\u4e32\uff08f-strings\uff09<\/h4>\n<\/p>\n
\u5de6\u5bf9\u9f50\uff1a<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = f'{num:<10.2f}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1234.57    <\/p>\n
<\/code><\/pre>\n<\/p>\n
\u53f3\u5bf9\u9f50\uff1a<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = f'{num:>10.2f}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a    1234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u586b\u5145\uff1a<\/p>\n<\/p>\n
num = 1234.56789<\/p>\n
formatted_num = f'{num:0>10.2f}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a00001234.57<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u683c\u5f0f\u5316\u6574\u6570<\/h3>\n<\/p>\n
\u5728\u663e\u793a\u6574\u6570\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u683c\u5f0f\u5316\u65b9\u6cd5\u6765\u63a7\u5236\u663e\u793a\u7684\u683c\u5f0f\u3002<\/p>\n<\/p>\n
1\u3001str.format()\u65b9\u6cd5<\/h4>\n<\/p>\n
\u5341\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = '{:d}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a123456<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = '{:o}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a361100<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u516d\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = '{:x}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1e240<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = '{:b}'.format(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a11110001001000000<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001f\u5b57\u7b26\u4e32\uff08f-strings\uff09<\/h4>\n<\/p>\n
\u5341\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = f'{num:d}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a123456<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = f'{num:o}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a361100<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u516d\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = f'{num:x}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1e240<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u8fdb\u5236\uff1a<\/p>\n<\/p>\n
num = 123456<\/p>\n
formatted_num = f'{num:b}'<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a11110001001000000<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u81ea\u5b9a\u4e49\u683c\u5f0f\u5316\u51fd\u6570<\/h3>\n<\/p>\n
\u6709\u65f6\uff0c\u5185\u7f6e\u7684\u683c\u5f0f\u5316\u65b9\u6cd5\u4e0d\u80fd\u6ee1\u8db3\u9700\u6c42\uff0c\u53ef\u4ee5\u7f16\u5199\u81ea\u5b9a\u4e49\u683c\u5f0f\u5316\u51fd\u6570\u3002<\/p>\n<\/p>\n
def custom_format(num, format_spec):<\/p>\n
    if format_spec == 'percentage':<\/p>\n
        return f'{num * 100:.2f}%'<\/p>\n
    elif format_spec == 'currency':<\/p>\n
        return f'${num:,.2f}'<\/p>\n
    else:<\/p>\n
        return f'{num:{format_spec}}'<\/p>\n
num = 0.1234<\/p>\n
print(custom_format(num, 'percentage'))  # \u8f93\u51fa\uff1a12.34%<\/p>\n
print(custom_format(num, 'currency'))    # \u8f93\u51fa\uff1a$0.12<\/p>\n
print(custom_format(1234567.89, ',.2f')) # \u8f93\u51fa\uff1a1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/h3>\n<\/p>\n
\u9664\u4e86Python\u5185\u7f6e\u7684\u65b9\u6cd5\uff0c\u8fd8\u6709\u4e00\u4e9b\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u7528\u6765\u683c\u5f0f\u5316\u6570\u5b57\uff0c\u5982Babel<\/code>\u548chumanize<\/code>\u3002<\/p>\n<\/p>\n
1\u3001Babel<\/h4>\n<\/p>\n
Babel\u662f\u4e00\u4e2a\u56fd\u9645\u5316\u548c\u672c\u5730\u5316\u5e93\uff0c\u53ef\u4ee5\u7528\u6765\u683c\u5f0f\u5316\u65e5\u671f\u3001\u65f6\u95f4\u548c\u6570\u5b57\u3002<\/p>\n<\/p>\n
from babel.numbers import format_currency<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = format_currency(num, 'USD', locale='en_US')<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a$1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001humanize<\/h4>\n<\/p>\n
humanize\u662f\u4e00\u4e2a\u5c06\u6570\u5b57\u8f6c\u5316\u4e3a\u4eba\u7c7b\u53ef\u8bfb\u683c\u5f0f\u7684\u5e93\u3002<\/p>\n<\/p>\n
import humanize<\/p>\n
num = 1234567.89<\/p>\n
formatted_num = humanize.intcomma(num)<\/p>\n
print(formatted_num)  # \u8f93\u51fa\uff1a1,234,567.89<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5341\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u683c\u5f0f\u5316\u548c\u663e\u793a\u6570\u5b57\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001f\u5b57\u7b26\u4e32\u3001\u5343\u5206\u4f4d\u5206\u9694\u7b26\u3001\u79d1\u5b66\u8ba1\u6570\u6cd5\u3001\u8d27\u5e01\u683c\u5f0f\u3001\u767e\u5206\u6bd4\u683c\u5f0f\u3001\u5bf9\u9f50\u548c\u586b\u5145\u3001\u81ea\u5b9a\u4e49\u683c\u5f0f\u5316\u51fd\u6570\uff0c\u4ee5\u53ca\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u6700\u9002\u5408\u7684\u65b9\u6cd5\u6765\u683c\u5f0f\u5316\u6570\u5b57\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u683c\u5f0f\u5316\u6570\u5b57\u4ee5\u663e\u793a\u4e3a\u8d27\u5e01\u5f62\u5f0f\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528locale<\/code>\u6a21\u5757\u548cformat<\/code>\u51fd\u6570\u6765\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u8d27\u5e01\u5f62\u5f0f\u3002\u9996\u5148\uff0c\u9700\u8981\u5bfc\u5165locale<\/code>\u6a21\u5757\u5e76\u8bbe\u7f6e\u533a\u57df\uff0c\u7136\u540e\u4f7f\u7528locale.currency()<\/code>\u51fd\u6570\u6765\u683c\u5f0f\u5316\u6570\u5b57\u3002\u4f8b\u5982\uff0c\u8bbe\u7f6e\u4e3a\u7f8e\u56fd\u533a\u57df\u540e\uff0c\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a  <\/p>\n
import locale\nlocale.setlocale(locale.LC_ALL, 'en_US.UTF-8')\namount = 12345.67\nformatted_amount = locale.currency(amount)\nprint(formatted_amount)  # \u8f93\u51fa\uff1a$12,345.67\n<\/code><\/pre>\n
\u6b64\u5916\uff0cf-string<\/code>\u683c\u5f0f\u5316\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3c\u6548\u679c\u3002  <\/p>\n
Python\u4e2d\u5982\u4f55\u63a7\u5236\u6570\u5b57\u7684\u5c0f\u6570\u4f4d\u6570\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u4f7f\u7528round()<\/code>\u51fd\u6570\u53ef\u4ee5\u63a7\u5236\u6570\u5b57\u7684\u5c0f\u6570\u4f4d\u6570\u3002\u8be5\u51fd\u6570\u63a5\u6536\u4e24\u4e2a\u53c2\u6570\uff0c\u7b2c\u4e00\u4e2a\u4e3a\u8981\u5904\u7406\u7684\u6570\u5b57\uff0c\u7b2c\u4e8c\u4e2a\u4e3a\u4fdd\u7559\u7684\u5c0f\u6570\u4f4d\u6570\u3002\u4f8b\u5982\uff0cround(123.4567, 2)<\/code>\u5c06\u8fd4\u56de123.46<\/code>\u3002\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\uff1af"{value:.2f}"<\/code>\uff0c\u6b64\u5904value<\/code>\u4e3a\u5f85\u683c\u5f0f\u5316\u7684\u6570\u5b57\uff0c.2f<\/code>\u8868\u793a\u4fdd\u7559\u4e24\u4f4d\u5c0f\u6570\u3002  <\/p>\n
Python\u63d0\u4f9b\u4e86\u54ea\u4e9b\u5e38\u7528\u7684\u6570\u5b57\u683c\u5f0f\u5316\u65b9\u6cd5\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u5e38\u7528\u7684\u6570\u5b57\u683c\u5f0f\u5316\u65b9\u6cd5\u5305\u62ecstr.format()<\/code>\u3001f-string<\/code>\u548c%<\/code>\u64cd\u4f5c\u7b26\u3002  <\/p>\n
    \n
  • str.format()<\/code>\u65b9\u6cd5\u5141\u8bb8\u60a8\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u683c\u5f0f\u5316\u7684\u6570\u5b57\uff0c\u4f8b\u5982\uff1a"The value is {:.2f}".format(value)<\/code>\u3002  <\/li>\n
  • \u4f7f\u7528f-string<\/code>\u5219\u66f4\u4e3a\u7b80\u4fbf\uff0c\u5982\uff1af"The value is {value:.2f}"<\/code>\u3002  <\/li>\n
  • %<\/code>\u64cd\u4f5c\u7b26\u4e5f\u53ef\u4ee5\u7528\u4e8e\u683c\u5f0f\u5316\uff0c"The value is %.2f" % value<\/code>\u5c06\u5b9e\u73b0\u76f8\u540c\u7684\u529f\u80fd\u3002\u6839\u636e\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u6765\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"Python\u5982\u4f55\u663e\u793a\u6570\u5b57\u683c\u5f0f \u5728Python\u4e2d\u663e\u793a\u6570\u5b57\u683c\u5f0f\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3001f\u5b57\u7b26\u4e32\u3001form […]","protected":false},"author":3,"featured_media":1024214,"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\/1024209"}],"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=1024209"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024209\/revisions"}],"predecessor-version":[{"id":1024215,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1024209\/revisions\/1024215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1024214"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1024209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1024209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1024209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}