{"id":1048331,"date":"2024-12-31T13:50:10","date_gmt":"2024-12-31T05:50:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1048331.html"},"modified":"2024-12-31T13:50:12","modified_gmt":"2024-12-31T05:50:12","slug":"python%e5%a6%82%e4%bd%95%e8%bf%9e%e6%8e%a5%e5%a4%96%e9%83%a8%e6%95%b0%e6%8d%ae%e5%ba%93%e8%bf%9e%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1048331.html","title":{"rendered":"python\u5982\u4f55\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u8fde\u63a5"},"content":{"rendered":"

\"python\u5982\u4f55\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u8fde\u63a5\"<\/p>\n

Python\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3001\u914d\u7f6e\u8fde\u63a5\u5b57\u7b26\u4e32\u3001\u6267\u884c\u67e5\u8be2\u7b49\u3002<\/strong>\u901a\u5e38\u4f7f\u7528\u7684\u9a71\u52a8\u7a0b\u5e8f\u5305\u62ec MySQL Connector<\/code>\u3001psycopg2<\/code>\u3001pyodbc<\/code> \u7b49\u3002\u8fd9\u91cc\u8be6\u7ec6\u8bb2\u8ff0\u5982\u4f55\u4f7f\u7528 MySQL Connector<\/code> \u8fde\u63a5 MySQL \u6570\u636e\u5e93\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f<\/p>\n<\/p>\n

\u5728\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u4e4b\u524d\uff0c\u9700\u8981\u5b89\u88c5\u76f8\u5e94\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3002\u4ee5 MySQL \u4e3a\u4f8b\uff0c\u53ef\u4ee5\u901a\u8fc7 pip \u5b89\u88c5 MySQL Connector<\/code>\u3002<\/p>\n<\/p>\n

pip install mysql-connector-python<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u5bfc\u5165\u9a71\u52a8\u7a0b\u5e8f\u5e76\u914d\u7f6e\u8fde\u63a5\u5b57\u7b26\u4e32<\/p>\n<\/p>\n
\u5b89\u88c5\u9a71\u52a8\u7a0b\u5e8f\u540e\uff0c\u5bfc\u5165\u76f8\u5e94\u7684\u6a21\u5757\uff0c\u5e76\u8bbe\u7f6e\u8fde\u63a5\u5b57\u7b26\u4e32\u3002\u8fde\u63a5\u5b57\u7b26\u4e32\u5305\u542b\u6570\u636e\u5e93\u7684\u4e3b\u673a\u5730\u5740\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u6570\u636e\u5e93\u540d\u79f0\u7b49\u4fe1\u606f\u3002<\/p>\n<\/p>\n
import mysql.connector<\/p>\n
config = {<\/p>\n
    'user': 'your_username',<\/p>\n
    'password': 'your_password',<\/p>\n
    'host': 'your_host',<\/p>\n
    'database': 'your_database'<\/p>\n
}<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\u548c\u5149\u6807<\/p>\n<\/p>\n
\u901a\u8fc7\u914d\u7f6e\u597d\u7684\u8fde\u63a5\u5b57\u7b26\u4e32\u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u5e76\u4f7f\u7528\u5149\u6807\u5bf9\u8c61\u6267\u884c SQL \u67e5\u8be2\u3002<\/p>\n<\/p>\n
# \u521b\u5efa\u8fde\u63a5<\/p>\n
conn = mysql.connector.connect(config)<\/p>\n
\u521b\u5efa\u5149\u6807<\/strong><\/h2>\n
cursor = conn.cursor()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u6267\u884c SQL \u67e5\u8be2<\/p>\n<\/p>\n
\u4f7f\u7528\u5149\u6807\u5bf9\u8c61\u6267\u884c SQL \u67e5\u8be2\uff0c\u5e76\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<\/p>\n
# \u6267\u884c\u67e5\u8be2<\/p>\n
cursor.execute("SELECT * FROM your_table")<\/p>\n
\u83b7\u53d6\u7ed3\u679c<\/strong><\/h2>\n
results = cursor.fetchall()<\/p>\n
for row in results:<\/p>\n
    print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u5f02\u5e38\u548c\u5173\u95ed\u8fde\u63a5<\/p>\n<\/p>\n
\u5728\u6570\u636e\u5e93\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u5f02\u5e38\u60c5\u51b5\uff0c\u5982\u8fde\u63a5\u5931\u8d25\u3001SQL \u8bed\u6cd5\u9519\u8bef\u7b49\u3002\u56e0\u6b64\uff0c\u9700\u8981\u5728\u64cd\u4f5c\u4e2d\u5904\u7406\u5f02\u5e38\uff0c\u5e76\u5728\u5b8c\u6210\u64cd\u4f5c\u540e\u5173\u95ed\u8fde\u63a5\u548c\u5149\u6807\u3002<\/p>\n<\/p>\n
try:<\/p>\n
    conn = mysql.connector.connect(config)<\/p>\n
    cursor = conn.cursor()<\/p>\n
    cursor.execute("SELECT * FROM your_table")<\/p>\n
    results = cursor.fetchall()<\/p>\n
    for row in results:<\/p>\n
        print(row)<\/p>\n
except mysql.connector.Error as err:<\/p>\n
    print(f"Error: {err}")<\/p>\n
finally:<\/p>\n
    if conn.is_connected():<\/p>\n
        cursor.close()<\/p>\n
        conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u5176\u4ed6\u6570\u636e\u5e93\u7684\u8fde\u63a5\u65b9\u6cd5<\/p>\n<\/p>\n
\u9664\u4e86 MySQL\uff0cPython \u8fd8\u53ef\u4ee5\u8fde\u63a5\u5176\u4ed6\u7c7b\u578b\u7684\u6570\u636e\u5e93\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u6570\u636e\u5e93\u7684\u8fde\u63a5\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n
1\u3001PostgreSQL<\/p>\n<\/p>\n
\u4f7f\u7528 psycopg2<\/code> \u8fde\u63a5 PostgreSQL \u6570\u636e\u5e93\u3002<\/p>\n<\/p>\n
import psycopg2<\/p>\n
conn = psycopg2.connect(<\/p>\n
    dbname="your_database",<\/p>\n
    user="your_username",<\/p>\n
    password="your_password",<\/p>\n
    host="your_host",<\/p>\n
    port="your_port"<\/p>\n
)<\/p>\n
cursor = conn.cursor()<\/p>\n
cursor.execute("SELECT * FROM your_table")<\/p>\n
results = cursor.fetchall()<\/p>\n
for row in results:<\/p>\n
    print(row)<\/p>\n
cursor.close()<\/p>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001Microsoft SQL Server<\/p>\n<\/p>\n
\u4f7f\u7528 pyodbc<\/code> \u8fde\u63a5 SQL Server \u6570\u636e\u5e93\u3002<\/p>\n<\/p>\n
import pyodbc<\/p>\n
conn = pyodbc.connect(<\/p>\n
    'DRIVER={ODBC Driver 17 for SQL Server};'<\/p>\n
    'SERVER=your_server;'<\/p>\n
    'DATABASE=your_database;'<\/p>\n
    'UID=your_username;'<\/p>\n
    'PWD=your_password'<\/p>\n
)<\/p>\n
cursor = conn.cursor()<\/p>\n
cursor.execute("SELECT * FROM your_table")<\/p>\n
results = cursor.fetchall()<\/p>\n
for row in results:<\/p>\n
    print(row)<\/p>\n
cursor.close()<\/p>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001SQLite<\/p>\n<\/p>\n
\u4f7f\u7528 sqlite3<\/code> \u8fde\u63a5 SQLite \u6570\u636e\u5e93\u3002<\/p>\n<\/p>\n
import sqlite3<\/p>\n
conn = sqlite3.connect('your_database.db')<\/p>\n
cursor = conn.cursor()<\/p>\n
cursor.execute("SELECT * FROM your_table")<\/p>\n
results = cursor.fetchall()<\/p>\n
for row in results:<\/p>\n
    print(row)<\/p>\n
cursor.close()<\/p>\n
conn.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u603b\u7ed3<\/p>\n<\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Python \u8fde\u63a5\u591a\u79cd\u7c7b\u578b\u7684\u5916\u90e8\u6570\u636e\u5e93\uff0c\u5e76\u6267\u884c\u67e5\u8be2\u64cd\u4f5c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u7684\u6570\u636e\u5e93\u7c7b\u578b\u9009\u62e9\u76f8\u5e94\u7684\u9a71\u52a8\u7a0b\u5e8f\u548c\u914d\u7f6e\u8fde\u63a5\u5b57\u7b26\u4e32\u3002\u786e\u4fdd\u5728\u64cd\u4f5c\u4e2d\u5904\u7406\u5f02\u5e38\uff0c\u5e76\u5728\u64cd\u4f5c\u5b8c\u6210\u540e\u5173\u95ed\u8fde\u63a5\u548c\u5149\u6807\uff0c\u4ee5\u4fdd\u8bc1\u8d44\u6e90\u7684\u6709\u6548\u5229\u7528\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5e93\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u8fde\u63a5\u5e93\u81f3\u5173\u91cd\u8981\u3002\u5e38\u7528\u7684\u5e93\u5305\u62ecsqlite3<\/code>\u3001SQLAlchemy<\/code>\u3001psycopg2<\/code>\uff08\u7528\u4e8ePostgreSQL\uff09\u548cPyMySQL<\/code>\uff08\u7528\u4e8eMySQL\uff09\u3002\u9009\u62e9\u65f6\u5e94\u8003\u8651\u9879\u76ee\u9700\u6c42\u3001\u6570\u636e\u5e93\u7c7b\u578b\u548c\u6027\u80fd\u8981\u6c42\u3002\u4f8b\u5982\uff0cSQLAlchemy<\/code>\u63d0\u4f9b\u4e86ORM\u652f\u6301\uff0c\u9002\u5408\u9700\u8981\u590d\u6742\u67e5\u8be2\u7684\u5e94\u7528\uff0c\u800csqlite3<\/code>\u5219\u9002\u5408\u8f7b\u91cf\u7ea7\u5e94\u7528\u6216\u5feb\u901f\u5f00\u53d1\u3002<\/p>\n
\u5982\u4f55\u5904\u7406Python\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u65f6\u7684\u5b89\u5168\u6027\u95ee\u9898\uff1f<\/strong>
\u5728\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u65f6\uff0c\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u8003\u91cf\u56e0\u7d20\u3002\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\u53ef\u4ee5\u6709\u6548\u9632\u6b62SQL\u6ce8\u5165\u653b\u51fb\u3002\u6b64\u5916\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\uff08\u5982\u7528\u6237\u540d\u548c\u5bc6\u7801\uff09\u4e0d\u76f4\u63a5\u786c\u7f16\u7801\u5728\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528\u73af\u5883\u53d8\u91cf\u6216\u914d\u7f6e\u6587\u4ef6\u6765\u7ba1\u7406\u654f\u611f\u4fe1\u606f\u4e5f\u662f\u4e00\u79cd\u826f\u597d\u7684\u505a\u6cd5\u3002\u4f7f\u7528SSL\u8fde\u63a5\u6570\u636e\u5e93\u4e5f\u80fd\u8fdb\u4e00\u6b65\u63d0\u5347\u5b89\u5168\u6027\u3002<\/p>\n
\u5982\u4f55\u4f18\u5316Python\u4e0e\u5916\u90e8\u6570\u636e\u5e93\u7684\u8fde\u63a5\u6027\u80fd\uff1f<\/strong>
\u4e3a\u4e86\u4f18\u5316Python\u4e0e\u5916\u90e8\u6570\u636e\u5e93\u7684\u8fde\u63a5\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u8651\u8fde\u63a5\u6c60\u6280\u672f\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u6bcf\u6b21\u8bf7\u6c42\u90fd\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\uff0c\u4ece\u800c\u63d0\u9ad8\u6548\u7387\u3002\u540c\u65f6\uff0c\u5408\u7406\u4f7f\u7528\u7d22\u5f15\u548c\u67e5\u8be2\u4f18\u5316\u6280\u672f\u4e5f\u80fd\u663e\u8457\u63d0\u9ad8\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u54cd\u5e94\u901f\u5ea6\u3002\u6b64\u5916\uff0c\u5b9a\u671f\u76d1\u63a7\u6570\u636e\u5e93\u6027\u80fd\uff0c\u5206\u6790\u6162\u67e5\u8be2\u5e76\u8fdb\u884c\u4f18\u5316\uff0c\u80fd\u591f\u5e2e\u52a9\u4fdd\u6301\u7cfb\u7edf\u7684\u9ad8\u6548\u8fd0\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u8fde\u63a5\u5916\u90e8\u6570\u636e\u5e93\u7684\u65b9\u6cd5\u5305\u62ec\u4f7f\u7528\u9002\u5f53\u7684\u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u3001\u914d\u7f6e\u8fde\u63a5\u5b57\u7b26\u4e32\u3001\u6267\u884c\u67e5\u8be2\u7b49\u3002\u901a\u5e38\u4f7f\u7528\u7684\u9a71\u52a8\u7a0b\u5e8f\u5305 […]","protected":false},"author":3,"featured_media":1048343,"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\/1048331"}],"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=1048331"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048331\/revisions"}],"predecessor-version":[{"id":1048346,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1048331\/revisions\/1048346"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1048343"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1048331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1048331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1048331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}