{"id":1076604,"date":"2025-01-08T11:54:50","date_gmt":"2025-01-08T03:54:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1076604.html"},"modified":"2025-01-08T11:54:53","modified_gmt":"2025-01-08T03:54:53","slug":"python%e5%a6%82%e4%bd%95%e8%be%93%e5%87%ba%e5%a4%9a%e4%b8%aa%e6%95%b0%e6%8d%ae%e6%a0%bc%e5%bc%8f-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1076604.html","title":{"rendered":"python\u5982\u4f55\u8f93\u51fa\u591a\u4e2a\u6570\u636e\u683c\u5f0f"},"content":{"rendered":"

\"python\u5982\u4f55\u8f93\u51fa\u591a\u4e2a\u6570\u636e\u683c\u5f0f\"<\/p>\n

Python\u8f93\u51fa\u591a\u4e2a\u6570\u636e\u683c\u5f0f\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001f-strings\u548cformat()\u51fd\u6570\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5982\u767e\u5206\u53f7\u683c\u5f0f\u5316\u3001str.format()\u65b9\u6cd5\u3001f-strings\u3001\u4f7f\u7528\u5b57\u7b26\u4e32\u8fde\u63a5\u4ee5\u53ca\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982PrettyTable\u548cPandas\u7b49<\/strong>\u3002\u5176\u4e2d\uff0cf-strings\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5177\u6709\u7b80\u6d01\u3001\u6613\u8bfb\u3001\u529f\u80fd\u5f3a\u5927\u7684\u7279\u70b9\u3002\u4ee5\u4e0b\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u767e\u5206\u53f7\u683c\u5f0f\u5316<\/h3>\n<\/p>\n

\u767e\u5206\u53f7\u683c\u5f0f\u5316\u662fPython\u4e2d\u8f83\u65e9\u7684\u4e00\u79cd\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u4f7f\u7528\u767e\u5206\u53f7\uff08%\uff09\u4f5c\u4e3a\u5360\u4f4d\u7b26\u3002\u867d\u7136\u8fd9\u79cd\u65b9\u6cd5\u5728Python 3.x\u4e2d\u4ecd\u7136\u652f\u6301\uff0c\u4f46\u4e0d\u63a8\u8350\u5728\u65b0\u4ee3\u7801\u4e2d\u4f7f\u7528\uff0c\u56e0\u4e3a\u5b83\u4e0d\u5982\u5176\u4ed6\u65b9\u6cd5\u76f4\u89c2\u548c\u7075\u6d3b\u3002<\/p>\n<\/p>\n

name = "Alice"<\/p>\n
age = 30<\/p>\n
print("Name: %s, Age: %d" % (name, age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001str.format()\u65b9\u6cd5<\/h3>\n<\/p>\n
str.format()<\/code>\u65b9\u6cd5\u662f\u5728Python 2.7\u548c3.0\u4e2d\u5f15\u5165\u7684\uff0c\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u683c\u5f0f\u5316\u529f\u80fd\u3002\u5b83\u4f7f\u7528\u82b1\u62ec\u53f7 {}<\/code> \u4f5c\u4e3a\u5360\u4f4d\u7b26\uff0c\u5e76\u901a\u8fc7 format()<\/code> \u65b9\u6cd5\u4f20\u9012\u53c2\u6570\u3002<\/p>\n<\/p>\n
name = "Bob"<\/p>\n
age = 25<\/p>\n
print("Name: {}, Age: {}".format(name, age))<\/p>\n
\u6307\u5b9a\u4f4d\u7f6e\u53c2\u6570<\/strong><\/h2>\n
print("Name: {0}, Age: {1}".format(name, age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001f-strings<\/h3>\n<\/p>\n
f-strings\u662fPython 3.6\u5f15\u5165\u7684\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u6cd5\uff0c\u5177\u6709\u7b80\u6d01\u3001\u6613\u8bfb\u3001\u529f\u80fd\u5f3a\u5927\u7684\u7279\u70b9\u3002\u5b83\u4f7f\u7528\u5b57\u6bcd f<\/code> \u6216 F<\/code> \u4f5c\u4e3a\u524d\u7f00\uff0c\u82b1\u62ec\u53f7 {}<\/code> \u4e2d\u7684\u53d8\u91cf\u540d\u6216\u8868\u8fbe\u5f0f\u4f1a\u88ab\u66ff\u6362\u4e3a\u76f8\u5e94\u7684\u503c\u3002<\/p>\n<\/p>\n
name = "Charlie"<\/p>\n
age = 20<\/p>\n
print(f"Name: {name}, Age: {age}")<\/p>\n
\u8fd8\u53ef\u4ee5\u5728\u82b1\u62ec\u53f7\u5185\u8fdb\u884c\u8868\u8fbe\u5f0f\u8ba1\u7b97<\/strong><\/h2>\n
print(f"Next year, {name} will be {age + 1}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u5b57\u7b26\u4e32\u8fde\u63a5<\/h3>\n<\/p>\n
\u901a\u8fc7\u5b57\u7b26\u4e32\u8fde\u63a5\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u540e\u62fc\u63a5\u5728\u4e00\u8d77\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u7b80\u5355\uff0c\u4f46\u4e0d\u5982\u524d\u9762\u51e0\u79cd\u65b9\u6cd5\u76f4\u89c2\u3002<\/p>\n<\/p>\n
name = "Dave"<\/p>\n
age = 35<\/p>\n
print("Name: " + name + ", Age: " + str(age))<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u7b2c\u4e09\u65b9\u5e93<\/h3>\n<\/p>\n
1\u3001PrettyTable<\/h4>\n<\/p>\n
PrettyTable\u662f\u4e00\u4e2a\u7528\u4e8e\u751f\u6210\u7f8e\u89c2ASCII\u8868\u683c\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8f93\u51fa\u8868\u683c\u6570\u636e\u7684\u60c5\u51b5\u3002<\/p>\n<\/p>\n
from prettytable import PrettyTable<\/p>\n
table = PrettyTable()<\/p>\n
table.field_names = ["Name", "Age"]<\/p>\n
table.add_row(["Eve", 40])<\/p>\n
table.add_row(["Frank", 28])<\/p>\n
print(table)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001Pandas<\/h4>\n<\/p>\n
Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u5e93\uff0c\u9002\u7528\u4e8e\u9700\u8981\u5904\u7406\u548c\u8f93\u51fa\u590d\u6742\u6570\u636e\u7684\u60c5\u51b5\u3002\u5b83\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u6570\u636e\u8f93\u51fa\u4e3a\u5404\u79cd\u683c\u5f0f\uff0c\u5982\u8868\u683c\u3001CSV\u3001Excel\u7b49\u3002<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
data = {"Name": ["Grace", "Hank"], "Age": [45, 33]}<\/p>\n
df = pd.DataFrame(data)<\/p>\n
print(df)<\/p>\n
\u8f93\u51fa\u4e3aCSV\u683c\u5f0f<\/strong><\/h2>\n
df.to_csv("output.csv", index=False)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u8f93\u51fa\u5176\u4ed6\u6570\u636e\u683c\u5f0f<\/h3>\n<\/p>\n
\u9664\u4e86\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\uff0cPython\u8fd8\u652f\u6301\u8f93\u51fa\u5176\u4ed6\u6570\u636e\u683c\u5f0f\uff0c\u5982JSON\u3001XML\u7b49\u3002<\/p>\n<\/p>\n
1\u3001JSON<\/h4>\n<\/p>\n
JSON\uff08JavaScript Object Notation\uff09\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0cPython\u5185\u7f6e\u7684 json<\/code> \u6a21\u5757\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884cJSON\u6570\u636e\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002<\/p>\n<\/p>\n
import json<\/p>\n
data = {"name": "Ivy", "age": 29}<\/p>\n
json_data = json.dumps(data)<\/p>\n
print(json_data)<\/p>\n
\u4eceJSON\u5b57\u7b26\u4e32\u52a0\u8f7d\u6570\u636e<\/strong><\/h2>\n
loaded_data = json.loads(json_data)<\/p>\n
print(loaded_data)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001XML<\/h4>\n<\/p>\n
XML\uff08eXtensible Markup Language\uff09\u662f\u4e00\u79cd\u5e38\u7528\u4e8e\u6570\u636e\u4ea4\u6362\u7684\u6807\u8bb0\u8bed\u8a00\uff0cPython\u6709\u591a\u4e2a\u5e93\u53ef\u4ee5\u5904\u7406XML\u6570\u636e\uff0c\u5982 xml.etree.ElementTree<\/code> \u548c lxml<\/code>\u3002<\/p>\n<\/p>\n
import xml.etree.ElementTree as ET<\/p>\n
root = ET.Element("person")<\/p>\n
name = ET.SubElement(root, "name")<\/p>\n
name.text = "Jack"<\/p>\n
age = ET.SubElement(root, "age")<\/p>\n
age.text = "50"<\/p>\n
tree = ET.ElementTree(root)<\/p>\n
tree.write("output.xml")<\/p>\n
\u8bfb\u53d6XML\u6570\u636e<\/strong><\/h2>\n
tree = ET.parse("output.xml")<\/p>\n
root = tree.getroot()<\/p>\n
print(f"Name: {root.find('name').text}, Age: {root.find('age').text}")<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u8f93\u51fa\u4e3a\u8868\u683c<\/h3>\n<\/p>\n
1\u3001tabulate<\/h4>\n<\/p>\n
tabulate<\/code> \u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684\u5e93\uff0c\u53ef\u4ee5\u5c06\u5217\u8868\u6216\u5b57\u5178\u6570\u636e\u683c\u5f0f\u5316\u4e3a\u8868\u683c\u5f62\u5f0f\u8f93\u51fa\u3002<\/p>\n<\/p>\n
from tabulate import tabulate<\/p>\n
data = [["Alice", 30], ["Bob", 25], ["Charlie", 20]]<\/p>\n
print(tabulate(data, headers=["Name", "Age"], tablefmt="grid"))<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001texttable<\/h4>\n<\/p>\n
texttable<\/code> \u662f\u53e6\u4e00\u4e2a\u7528\u4e8e\u751f\u6210\u8868\u683c\u7684\u5e93\uff0c\u652f\u6301\u5bf9\u9f50\u3001\u8fb9\u6846\u3001\u6807\u9898\u7b49\u591a\u79cd\u8bbe\u7f6e\u3002<\/p>\n<\/p>\n
from texttable import Texttable<\/p>\n
table = Texttable()<\/p>\n
table.add_rows([["Name", "Age"], ["Dave", 35], ["Eve", 40]])<\/p>\n
print(table.draw())<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u8f93\u51fa\u4e3aHTML<\/h3>\n<\/p>\n
\u5982\u679c\u9700\u8981\u8f93\u51faHTML\u683c\u5f0f\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528 html<\/code> \u6a21\u5757\u6216\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 jinja2<\/code>\u3002<\/p>\n<\/p>\n
# \u4f7f\u7528html\u6a21\u5757\u751f\u6210\u7b80\u5355\u7684HTML<\/p>\n
from html import escape<\/p>\n
name = "Frank"<\/p>\n
age = 28<\/p>\n
html_content = f"<html><body><p>Name: {escape(name)}, Age: {age}<\/p><\/body><\/html>"<\/p>\n
print(html_content)<\/p>\n
\u4f7f\u7528jinja2\u6a21\u677f\u5f15\u64ce\u751f\u6210\u590d\u6742\u7684HTML<\/strong><\/h2>\n
from jinja2 import Template<\/p>\n
template = Template("<html><body><p>Name: {{ name }}, Age: {{ age }}<\/p><\/body><\/html>")<\/p>\n
html_content = template.render(name="Grace", age=45)<\/p>\n
print(html_content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e5d\u3001\u8f93\u51fa\u4e3aMarkdown<\/h3>\n<\/p>\n
Markdown\u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u6807\u8bb0\u8bed\u8a00\uff0c\u9002\u7528\u4e8e\u751f\u6210\u6587\u6863\u3001\u535a\u5ba2\u7b49\u5185\u5bb9\u3002\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7\u5b57\u7b26\u4e32\u64cd\u4f5c\u751f\u6210Markdown\u683c\u5f0f\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\uff0c\u5982 mistune<\/code>\u3002<\/p>\n<\/p>\n
# \u751f\u6210\u7b80\u5355\u7684Markdown<\/p>\n
name = "Hank"<\/p>\n
age = 33<\/p>\n
markdown_content = f"# Person\\n\\n- <strong>Name<\/strong>: {name}\\n- <strong>Age<\/strong>: {age}"<\/p>\n
print(markdown_content)<\/p>\n
\u4f7f\u7528mistune\u5e93\u751f\u6210\u590d\u6742\u7684Markdown<\/strong><\/h2>\n
import mistune<\/p>\n
markdown = mistune.create_markdown()<\/p>\n
data = {"name": "Ivy", "age": 29}<\/p>\n
markdown_content = f"# Person\\n\\n- <strong>Name<\/strong>: {data['name']}\\n- <strong>Age<\/strong>: {data['age']}"<\/p>\n
html_content = markdown(markdown_content)<\/p>\n
print(html_content)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u8f93\u51faPython\u4e2d\u7684\u591a\u79cd\u6570\u636e\u683c\u5f0f\uff0c\u6ee1\u8db3\u4e0d\u540c\u573a\u666f\u7684\u9700\u6c42\u3002\u6839\u636e\u5177\u4f53\u60c5\u51b5\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u7ef4\u62a4\u6027\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u8f93\u51fa\u4e0d\u540c\u6570\u636e\u7c7b\u578b\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684print()<\/code>\u51fd\u6570\u6765\u8f93\u51fa\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5217\u8868\u3001\u5b57\u5178\u7b49\u3002\u901a\u8fc7\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u3001f-string\u6216\u4f7f\u7528str.format()<\/code>\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7075\u6d3b\u5730\u63a7\u5236\u8f93\u51fa\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528f-string\u53ef\u4ee5\u5f88\u65b9\u4fbf\u5730\u5728\u5b57\u7b26\u4e32\u4e2d\u63d2\u5165\u53d8\u91cf\u503c\uff0c\u63d0\u4f9b\u66f4\u6e05\u6670\u7684\u8f93\u51fa\u3002<\/p>\n
\u5728Python\u4e2d\u5982\u4f55\u683c\u5f0f\u5316\u8f93\u51fa\uff1f<\/strong>
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u683c\u5f0f\u5316\u8f93\u51fa\u7684\u65b9\u5f0f\uff0c\u5305\u62ec\u4f7f\u7528%<\/code>\u64cd\u4f5c\u7b26\u3001str.format()<\/code>\u65b9\u6cd5\u548cf-string\u3002\u8fd9\u4e9b\u65b9\u6cd5\u5141\u8bb8\u7528\u6237\u6307\u5b9a\u8f93\u51fa\u7684\u7cbe\u5ea6\u3001\u5bbd\u5ea6\u548c\u5bf9\u9f50\u65b9\u5f0f\uff0c\u4ece\u800c\u4f7f\u8f93\u51fa\u66f4\u52a0\u7f8e\u89c2\u3002\u4f8b\u5982\uff0c\u4f7f\u7528f-string\u53ef\u4ee5\u8f7b\u677e\u5730\u8bbe\u7f6e\u6d6e\u70b9\u6570\u7684\u5c0f\u6570\u4f4d\u6570\uff0c\u589e\u52a0\u4e86\u8f93\u51fa\u7684\u53ef\u8bfb\u6027\u3002<\/p>\n
\u5982\u4f55\u8f93\u51fa\u5217\u8868\u6216\u5b57\u5178\u7684\u5185\u5bb9\uff1f<\/strong>
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