{"id":1172027,"date":"2025-01-15T16:43:22","date_gmt":"2025-01-15T08:43:22","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1172027.html"},"modified":"2025-01-15T16:43:24","modified_gmt":"2025-01-15T08:43:24","slug":"python%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8odbc%e5%ae%9e%e7%8e%b0%e5%89%8d%e7%ab%af","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1172027.html","title":{"rendered":"python\u5982\u4f55\u4f7f\u7528odbc\u5b9e\u73b0\u524d\u7aef"},"content":{"rendered":"

\"python\u5982\u4f55\u4f7f\u7528odbc\u5b9e\u73b0\u524d\u7aef\"<\/p>\n

Python\u4f7f\u7528ODBC\u5b9e\u73b0\u524d\u7aef\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u5b89\u88c5\u76f8\u5173\u5e93\u3001\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6267\u884cSQL\u67e5\u8be2\u3001\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u3002<\/strong><\/p>\n<\/p>\n

\u5176\u4e2d\uff0c\u5b89\u88c5\u76f8\u5173\u5e93<\/strong>\u662f\u7b2c\u4e00\u6b65\uff0c\u4e14\u975e\u5e38\u91cd\u8981\u3002\u8981\u4f7f\u7528ODBC\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u9700\u8981\u5b89\u88c5pyodbc<\/code>\u5e93\u3002\u5b89\u88c5\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

pip install pyodbc<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165pyodbc<\/code>\u5e93\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u8fde\u63a5\u6570\u636e\u5e93\u548c\u6267\u884cSQL\u67e5\u8be2\u4e86\u3002<\/p>\n<\/p>\n
\u63a5\u4e0b\u6765\u8be6\u7ec6\u63cf\u8ff0\u5982\u4f55\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n<\/p>\n
\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5<\/strong><\/p>\n
\u8981\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u5b83\u5305\u542b\u6570\u636e\u5e93\u7684\u7c7b\u578b\u3001\u670d\u52a1\u5668\u5730\u5740\u3001\u6570\u636e\u5e93\u540d\u79f0\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u7b49\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u8fde\u63a5SQL Server\u6570\u636e\u5e93\uff1a<\/p>\n<\/p>\n
import pyodbc<\/p>\n
connection_string = (<\/p>\n
    "DRIVER={ODBC Driver 17 for SQL Server};"<\/p>\n
    "SERVER=server_address;"<\/p>\n
    "DATABASE=database_name;"<\/p>\n
    "UID=username;"<\/p>\n
    "PWD=password"<\/p>\n
)<\/p>\n
connection = pyodbc.connect(connection_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9700\u8981\u66ff\u6362server_address<\/code>\u3001database_name<\/code>\u3001username<\/code>\u548cpassword<\/code>\u4e3a\u5b9e\u9645\u7684\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002\u8fde\u63a5\u6210\u529f\u540e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u8be5\u8fde\u63a5\u5bf9\u8c61\u6765\u6267\u884cSQL\u67e5\u8be2\u548c\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\n
\u4e00\u3001\u5b89\u88c5\u76f8\u5173\u5e93<\/h3>\n<\/p>\n
\u8981\u4f7f\u7528ODBC\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5pyodbc<\/code>\u5e93\u3002pyodbc<\/code>\u662f\u4e00\u4e2a\u5f00\u6e90\u7684Python\u5e93\uff0c\u7528\u4e8e\u901a\u8fc7ODBC\u8fde\u63a5\u6570\u636e\u5e93\u3002\u5b83\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\uff0c\u5305\u62ecSQL Server\u3001MySQL\u3001PostgreSQL\u7b49\u3002<\/p>\n<\/p>\n
pip install pyodbc<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u5c31\u53ef\u4ee5\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165pyodbc<\/code>\u5e93\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u8fde\u63a5\u6570\u636e\u5e93\u548c\u6267\u884cSQL\u67e5\u8be2\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5<\/h3>\n<\/p>\n
\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u662f\u4f7f\u7528ODBC\u8fde\u63a5\u6570\u636e\u5e93\u7684\u5173\u952e\u6b65\u9aa4\u3002\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u5b83\u5305\u542b\u6570\u636e\u5e93\u7684\u7c7b\u578b\u3001\u670d\u52a1\u5668\u5730\u5740\u3001\u6570\u636e\u5e93\u540d\u79f0\u3001\u7528\u6237\u540d\u548c\u5bc6\u7801\u7b49\u4fe1\u606f\u3002<\/p>\n<\/p>\n
1. \u8fde\u63a5SQL Server\u6570\u636e\u5e93<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u8fde\u63a5SQL Server\u6570\u636e\u5e93\uff1a<\/p>\n<\/p>\n
import pyodbc<\/p>\n
connection_string = (<\/p>\n
    "DRIVER={ODBC Driver 17 for SQL Server};"<\/p>\n
    "SERVER=server_address;"<\/p>\n
    "DATABASE=database_name;"<\/p>\n
    "UID=username;"<\/p>\n
    "PWD=password"<\/p>\n
)<\/p>\n
connection = pyodbc.connect(connection_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9700\u8981\u66ff\u6362server_address<\/code>\u3001database_name<\/code>\u3001username<\/code>\u548cpassword<\/code>\u4e3a\u5b9e\u9645\u7684\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002<\/p>\n<\/p>\n
2. \u8fde\u63a5MySQL\u6570\u636e\u5e93<\/h4>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u7528\u4e8e\u8fde\u63a5MySQL\u6570\u636e\u5e93\uff1a<\/p>\n<\/p>\n
connection_string = (<\/p>\n
    "DRIVER={MySQL ODBC 8.0 Driver};"<\/p>\n
    "SERVER=server_address;"<\/p>\n
    "DATABASE=database_name;"<\/p>\n
    "USER=username;"<\/p>\n
    "PASSWORD=password"<\/p>\n
)<\/p>\n
connection = pyodbc.connect(connection_string)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u540c\u6837\uff0c\u9700\u8981\u66ff\u6362server_address<\/code>\u3001database_name<\/code>\u3001username<\/code>\u548cpassword<\/code>\u4e3a\u5b9e\u9645\u7684\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u6267\u884cSQL\u67e5\u8be2<\/h3>\n<\/p>\n
\u8fde\u63a5\u6570\u636e\u5e93\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fde\u63a5\u5bf9\u8c61\u6765\u6267\u884cSQL\u67e5\u8be2\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u7528\u4e8e\u6267\u884cSQL\u67e5\u8be2\u5e76\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\uff1a<\/p>\n<\/p>\n
cursor = connection.cursor()<\/p>\n
query = "SELECT * FROM table_name"<\/p>\n
cursor.execute(query)<\/p>\n
rows = cursor.fetchall()<\/p>\n
for row in rows:<\/p>\n
    print(row)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u9700\u8981\u66ff\u6362table_name<\/code>\u4e3a\u5b9e\u9645\u7684\u8868\u540d\u3002fetchall()<\/code>\u65b9\u6cd5\u7528\u4e8e\u83b7\u53d6\u6240\u6709\u67e5\u8be2\u7ed3\u679c\uff0c\u5e76\u5c06\u5176\u5b58\u50a8\u5728rows<\/code>\u53d8\u91cf\u4e2d\u3002\u7136\u540e\uff0c\u53ef\u4ee5\u904d\u5386rows<\/code>\u53d8\u91cf\u6765\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<\/p>\n
\u56db\u3001\u5904\u7406\u67e5\u8be2\u7ed3\u679c<\/h3>\n<\/p>\n
\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u662f\u4f7f\u7528ODBC\u8fde\u63a5\u6570\u636e\u5e93\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u65b9\u6cd5\u6765\u5904\u7406\u67e5\u8be2\u7ed3\u679c\uff0c\u5982\u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3aPandas DataFrame\u3001\u5c06\u67e5\u8be2\u7ed3\u679c\u4fdd\u5b58\u5230\u6587\u4ef6\u7b49\u3002<\/p>\n<\/p>\n
1. \u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3aPandas DataFrame<\/h4>\n<\/p>\n
Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5904\u7406\u5e93\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u5904\u7406\u548c\u5206\u6790\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3aPandas DataFrame\uff1a<\/p>\n<\/p>\n
import pandas as pd<\/p>\n
df = pd.DataFrame.from_records(rows, columns=[desc[0] for desc in cursor.description])<\/p>\n
print(df)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cfrom_records<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3aPandas DataFrame\u3002columns<\/code>\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u5217\u540d\uff0c\u53ef\u4ee5\u901a\u8fc7cursor.description<\/code>\u5c5e\u6027\u83b7\u53d6\u5217\u540d\u3002<\/p>\n<\/p>\n
2. \u5c06\u67e5\u8be2\u7ed3\u679c\u4fdd\u5b58\u5230\u6587\u4ef6<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5c06\u67e5\u8be2\u7ed3\u679c\u4fdd\u5b58\u5230\u6587\u4ef6\uff0c\u5982CSV\u6587\u4ef6\uff0c\u4ee5\u4fbf\u540e\u7eed\u5904\u7406\u548c\u5206\u6790\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u5c06\u67e5\u8be2\u7ed3\u679c\u4fdd\u5b58\u5230CSV\u6587\u4ef6\uff1a<\/p>\n<\/p>\n
df.to_csv("query_result.csv", index=False)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cto_csv<\/code>\u65b9\u6cd5\u7528\u4e8e\u5c06Pandas DataFrame\u4fdd\u5b58\u5230CSV\u6587\u4ef6\u3002index=False<\/code>\u53c2\u6570\u7528\u4e8e\u4e0d\u4fdd\u5b58\u884c\u7d22\u5f15\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u9519\u8bef\u5904\u7406<\/h3>\n<\/p>\n
\u5728\u4f7f\u7528ODBC\u8fde\u63a5\u6570\u636e\u5e93\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u5404\u79cd\u9519\u8bef\uff0c\u5982\u8fde\u63a5\u5931\u8d25\u3001SQL\u8bed\u6cd5\u9519\u8bef\u7b49\u3002\u9700\u8981\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff0c\u4ee5\u4fbf\u5728\u9047\u5230\u9519\u8bef\u65f6\u80fd\u591f\u53ca\u65f6\u53d1\u73b0\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u5982\u4f55\u8fdb\u884c\u9519\u8bef\u5904\u7406\uff1a<\/p>\n<\/p>\n
try:<\/p>\n
    connection = pyodbc.connect(connection_string)<\/p>\n
    cursor = connection.cursor()<\/p>\n
    cursor.execute(query)<\/p>\n
    rows = cursor.fetchall()<\/p>\n
    for row in rows:<\/p>\n
        print(row)<\/p>\n
except pyodbc.Error as e:<\/p>\n
    print("Error:", e)<\/p>\n
finally:<\/p>\n
    connection.close()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u4f7f\u7528try-except-finally<\/code>\u7ed3\u6784\u8fdb\u884c\u9519\u8bef\u5904\u7406\u3002\u5728try<\/code>\u5757\u4e2d\u6267\u884c\u6570\u636e\u5e93\u8fde\u63a5\u548cSQL\u67e5\u8be2\u64cd\u4f5c\uff0c\u5982\u679c\u9047\u5230\u9519\u8bef\uff0c\u5c06\u6355\u83b7pyodbc.Error<\/code>\u5f02\u5e38\u5e76\u6253\u5370\u9519\u8bef\u4fe1\u606f\u3002\u5728finally<\/code>\u5757\u4e2d\uff0c\u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528Flask\u521b\u5efa\u524d\u7aef\u754c\u9762<\/h3>\n<\/p>\n
Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Web\u6846\u67b6\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u521b\u5efaWeb\u5e94\u7528\u3002\u53ef\u4ee5\u4f7f\u7528Flask\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u524d\u7aef\u754c\u9762\uff0c\u901a\u8fc7ODBC\u8fde\u63a5\u6570\u636e\u5e93\u5e76\u5c55\u793a\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<\/p>\n
1. \u5b89\u88c5Flask<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u9700\u8981\u5b89\u88c5Flask\u5e93\uff1a<\/p>\n<\/p>\n
pip install Flask<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u521b\u5efaFlask\u5e94\u7528<\/h4>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2aFlask\u5e94\u7528\uff0c\u5e76\u7f16\u5199\u4ee3\u7801\u8fde\u63a5\u6570\u636e\u5e93\u548c\u5c55\u793a\u67e5\u8be2\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
from flask import Flask, render_template<\/p>\n
import pyodbc<\/p>\n
import pandas as pd<\/p>\n
app = Flask(__name__)<\/p>\n
@app.route('\/')<\/p>\n
def index():<\/p>\n
    connection_string = (<\/p>\n
        "DRIVER={ODBC Driver 17 for SQL Server};"<\/p>\n
        "SERVER=server_address;"<\/p>\n
        "DATABASE=database_name;"<\/p>\n
        "UID=username;"<\/p>\n
        "PWD=password"<\/p>\n
    )<\/p>\n
    connection = pyodbc.connect(connection_string)<\/p>\n
    cursor = connection.cursor()<\/p>\n
    query = "SELECT * FROM table_name"<\/p>\n
    cursor.execute(query)<\/p>\n
    rows = cursor.fetchall()<\/p>\n
    df = pd.DataFrame.from_records(rows, columns=[desc[0] for desc in cursor.description])<\/p>\n
    connection.close()<\/p>\n
    return render_template('index.html', tables=[df.to_html(classes='data')], titles=df.columns.values)<\/p>\n
if __name__ == '__mAI<\/a>n__':<\/p>\n
    app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0cindex<\/code>\u51fd\u6570\u7528\u4e8e\u5904\u7406\u6839\u8def\u5f84\u7684\u8bf7\u6c42\uff0c\u8fde\u63a5\u6570\u636e\u5e93\u5e76\u6267\u884cSQL\u67e5\u8be2\uff0c\u5c06\u67e5\u8be2\u7ed3\u679c\u8f6c\u6362\u4e3aPandas DataFrame\uff0c\u5e76\u4f7f\u7528render_template<\/code>\u51fd\u6570\u6e32\u67d3HTML\u6a21\u677f\u3002<\/p>\n<\/p>\n
3. \u521b\u5efaHTML\u6a21\u677f<\/h4>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2aHTML\u6a21\u677f\u6587\u4ef6templates\/index.html<\/code>\uff0c\u7528\u4e8e\u5c55\u793a\u67e5\u8be2\u7ed3\u679c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8bHTML\u6a21\u677f\uff1a<\/p>\n<\/p>\n
<!DOCTYPE html><\/p>\n
<html><\/p>\n
<head><\/p>\n
    <title>Query Result<\/title><\/p>\n
    <link rel="stylesheet" type="text\/css" href="{{ url_for('static', filename='style.css') }}"><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
    <h1>Query Result<\/h1><\/p>\n
    {% for table in tables %}<\/p>\n
        {{ table|SAFe<\/a> }}<\/p>\n
    {% endfor %}<\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0HTML\u6a21\u677f\u4e2d\uff0c\u4f7f\u7528for<\/code>\u5faa\u73af\u904d\u5386tables<\/code>\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528safe<\/code>\u8fc7\u6ee4\u5668\u5c06HTML\u5185\u5bb9\u6e32\u67d3\u5230\u9875\u9762\u3002<\/p>\n<\/p>\n
4. \u8fd0\u884cFlask\u5e94\u7528<\/h4>\n<\/p>\n
\u5b8c\u6210\u4e0a\u8ff0\u6b65\u9aa4\u540e\uff0c\u53ef\u4ee5\u8fd0\u884cFlask\u5e94\u7528\uff0c\u5e76\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/localhost:5000<\/code>\u67e5\u770b\u67e5\u8be2\u7ed3\u679c\uff1a<\/p>\n<\/p>\n
python app.py<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u6d4f\u89c8\u5668\u4e2d\u8bbf\u95eehttp:\/\/localhost:5000<\/code>\uff0c\u53ef\u4ee5\u770b\u5230\u67e5\u8be2\u7ed3\u679c\u5c55\u793a\u5728\u7f51\u9875\u4e0a\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u6570\u636e\u53ef\u89c6\u5316<\/h3>\n<\/p>\n
\u9664\u4e86\u5c55\u793a\u67e5\u8be2\u7ed3\u679c\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u53ef\u89c6\u5316\u5e93\uff0c\u5982Matplotlib\u3001Seaborn\u7b49\uff0c\u5c06\u67e5\u8be2\u7ed3\u679c\u53ef\u89c6\u5316\u5c55\u793a\u5728\u524d\u7aef\u754c\u9762\u3002<\/p>\n<\/p>\n
1. \u5b89\u88c5\u6570\u636e\u53ef\u89c6\u5316\u5e93<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u9700\u8981\u5b89\u88c5Matplotlib\u548cSeaborn\u5e93\uff1a<\/p>\n<\/p>\n
pip install matplotlib seaborn<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u521b\u5efa\u6570\u636e\u53ef\u89c6\u5316\u56fe\u8868<\/h4>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u53ef\u89c6\u5316\u56fe\u8868\uff0c\u5e76\u5c06\u5176\u4fdd\u5b58\u4e3a\u56fe\u7247\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff0c\u4f7f\u7528Matplotlib\u521b\u5efa\u4e00\u4e2a\u67f1\u72b6\u56fe\uff1a<\/p>\n<\/p>\n
import matplotlib.pyplot as plt<\/p>\n
import seaborn as sns<\/p>\n
def create_bar_chart(df):<\/p>\n
    plt.figure(figsize=(10, 6))<\/p>\n
    sns.barplot(x='column1', y='column2', data=df)<\/p>\n
    plt.title('Bar Chart')<\/p>\n
    plt.xlabel('Column 1')<\/p>\n
    plt.ylabel('Column 2')<\/p>\n
    plt.savefig('static\/bar_chart.png')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0ccreate_bar_chart<\/code>\u51fd\u6570\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u67f1\u72b6\u56fe\uff0c\u5e76\u5c06\u5176\u4fdd\u5b58\u4e3a\u56fe\u7247\u6587\u4ef6static\/bar_chart.png<\/code>\u3002<\/p>\n<\/p>\n
3. \u5728Flask\u5e94\u7528\u4e2d\u5c55\u793a\u56fe\u8868<\/h4>\n<\/p>\n
\u63a5\u4e0b\u6765\uff0c\u5728Flask\u5e94\u7528\u4e2d\u8c03\u7528create_bar_chart<\/code>\u51fd\u6570\uff0c\u5e76\u5c06\u56fe\u7247\u5c55\u793a\u5728\u524d\u7aef\u754c\u9762\u3002\u4ee5\u4e0b\u662f\u66f4\u65b0\u540e\u7684Flask\u5e94\u7528\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
from flask import Flask, render_template<\/p>\n
import pyodbc<\/p>\n
import pandas as pd<\/p>\n
import matplotlib.pyplot as plt<\/p>\n
import seaborn as sns<\/p>\n
app = Flask(__name__)<\/p>\n
def create_bar_chart(df):<\/p>\n
    plt.figure(figsize=(10, 6))<\/p>\n
    sns.barplot(x='column1', y='column2', data=df)<\/p>\n
    plt.title('Bar Chart')<\/p>\n
    plt.xlabel('Column 1')<\/p>\n
    plt.ylabel('Column 2')<\/p>\n
    plt.savefig('static\/bar_chart.png')<\/p>\n
@app.route('\/')<\/p>\n
def index():<\/p>\n
    connection_string = (<\/p>\n
        "DRIVER={ODBC Driver 17 for SQL Server};"<\/p>\n
        "SERVER=server_address;"<\/p>\n
        "DATABASE=database_name;"<\/p>\n
        "UID=username;"<\/p>\n
        "PWD=password"<\/p>\n
    )<\/p>\n
    connection = pyodbc.connect(connection_string)<\/p>\n
    cursor = connection.cursor()<\/p>\n
    query = "SELECT * FROM table_name"<\/p>\n
    cursor.execute(query)<\/p>\n
    rows = cursor.fetchall()<\/p>\n
    df = pd.DataFrame.from_records(rows, columns=[desc[0] for desc in cursor.description])<\/p>\n
    create_bar_chart(df)<\/p>\n
    connection.close()<\/p>\n
    return render_template('index.html', tables=[df.to_html(classes='data')], titles=df.columns.values)<\/p>\n
if __name__ == '__main__':<\/p>\n
    app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u8c03\u7528create_bar_chart<\/code>\u51fd\u6570\u521b\u5efa\u67f1\u72b6\u56fe\uff0c\u5e76\u5c06\u5176\u4fdd\u5b58\u4e3a\u56fe\u7247\u6587\u4ef6\u3002<\/p>\n<\/p>\n
4. \u66f4\u65b0HTML\u6a21\u677f<\/h4>\n<\/p>\n
\u6700\u540e\uff0c\u66f4\u65b0HTML\u6a21\u677f\u6587\u4ef6templates\/index.html<\/code>\uff0c\u5728\u9875\u9762\u4e0a\u5c55\u793a\u67f1\u72b6\u56fe\uff1a<\/p>\n<\/p>\n
<!DOCTYPE html><\/p>\n
<html><\/p>\n
<head><\/p>\n
    <title>Query Result<\/title><\/p>\n
    <link rel="stylesheet" type="text\/css" href="{{ url_for('static', filename='style.css') }}"><\/p>\n
<\/head><\/p>\n
<body><\/p>\n
    <h1>Query Result<\/h1><\/p>\n
    {% for table in tables %}<\/p>\n
        {{ table|safe }}<\/p>\n
    {% endfor %}<\/p>\n
    <h2>Bar Chart<\/h2><\/p>\n
    <img src="{{ url_for('static', filename='bar_chart.png') }}" alt="Bar Chart"><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u4e0a\u8ff0HTML\u6a21\u677f\u4e2d\uff0c\u4f7f\u7528img<\/code>\u6807\u7b7e\u5c55\u793a\u67f1\u72b6\u56fe\u56fe\u7247\u3002<\/p>\n<\/p>\n
\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u901a\u8fc7\u672c\u6587\u7684\u4ecb\u7ecd\uff0c\u6211\u4eec\u5b66\u4e60\u4e86\u5982\u4f55\u4f7f\u7528Python\u7684ODBC\u63a5\u53e3\u8fde\u63a5\u6570\u636e\u5e93\u3001\u6267\u884cSQL\u67e5\u8be2\u5e76\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u3002\u540c\u65f6\uff0c\u6211\u4eec\u8fd8\u5b66\u4e60\u4e86\u5982\u4f55\u4f7f\u7528Flask\u521b\u5efa\u524d\u7aef\u754c\u9762\u5c55\u793a\u67e5\u8be2\u7ed3\u679c\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u6570\u636e\u53ef\u89c6\u5316\u5e93\u521b\u5efa\u56fe\u8868\u5e76\u5728\u524d\u7aef\u754c\u9762\u5c55\u793a\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u591f\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528Python\u7684ODBC\u63a5\u53e3\uff0c\u5b9e\u73b0\u524d\u7aef\u754c\u9762\u7684\u6570\u636e\u5c55\u793a\u548c\u53ef\u89c6\u5316\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u914d\u7f6eODBC\u8fde\u63a5\uff1f<\/strong>
\u4e3a\u4e86\u5728Python\u4e2d\u4f7f\u7528ODBC\u8fde\u63a5\uff0c\u60a8\u9700\u8981\u9996\u5148\u5b89\u88c5pyodbc\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4pip install pyodbc<\/code>\u8fdb\u884c\u5b89\u88c5\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u60a8\u9700\u8981\u5b9a\u4e49\u8fde\u63a5\u5b57\u7b26\u4e32\uff0c\u901a\u5e38\u5305\u542b\u6570\u636e\u6e90\u540d\u79f0(DSN)\u3001\u7528\u6237 ID \u548c\u5bc6\u7801\u7b49\u4fe1\u606f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a  <\/p>\n
import pyodbc  \nconnection = pyodbc.connect('DSN=your_dsn;UID=user;PWD=password')  \n<\/code><\/pre>\n
\u4f7f\u7528ODBC\u65f6\uff0c\u5982\u4f55\u5904\u7406\u6570\u636e\u5e93\u4e2d\u7684\u5f02\u5e38\uff1f<\/strong>
\u5728\u4f7f\u7528ODBC\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u65f6\uff0c\u5f02\u5e38\u5904\u7406\u975e\u5e38\u91cd\u8981\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528try-except\u5757\u6765\u6355\u83b7\u548c\u5904\u7406\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38\u3002\u4f8b\u5982\uff1a  <\/p>\n
try:  \n    cursor = connection.cursor()  \n    cursor.execute("SELECT * FROM your_table")  \nexcept pyodbc.DatabaseError as e:  \n    print("\u6570\u636e\u5e93\u9519\u8bef:", e)  \nfinally:  \n    cursor.close()  \n    connection.close()  \n<\/code><\/pre>\n
\u8fd9\u6837\u7684\u5904\u7406\u65b9\u5f0f\u53ef\u4ee5\u786e\u4fdd\u5728\u53d1\u751f\u9519\u8bef\u65f6\uff0c\u7a0b\u5e8f\u4e0d\u4f1a\u5d29\u6e83\uff0c\u5e76\u80fd\u591f\u8fdb\u884c\u9002\u5f53\u7684\u9519\u8bef\u62a5\u544a\u3002<\/p>\n
ODBC\u8fde\u63a5\u7684\u6027\u80fd\u5982\u4f55\u4f18\u5316\uff1f<\/strong>
\u4e3a\u4e86\u63d0\u9ad8ODBC\u8fde\u63a5\u7684\u6027\u80fd\uff0c\u53ef\u4ee5\u8003\u8651\u51e0\u4e2a\u65b9\u9762\u3002\u9996\u5148\uff0c\u4f7f\u7528\u8fde\u63a5\u6c60\u6765\u91cd\u7528\u73b0\u6709\u8fde\u63a5\uff0c\u800c\u4e0d\u662f\u6bcf\u6b21\u8bf7\u6c42\u65f6\u90fd\u65b0\u5efa\u8fde\u63a5\u3002\u5176\u6b21\uff0c\u786e\u4fddSQL\u67e5\u8be2\u7684\u4f18\u5316\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6570\u636e\u4f20\u8f93\u3002\u6700\u540e\uff0c\u53ef\u4ee5\u5728\u5e94\u7528\u7a0b\u5e8f\u4e2d\u4f7f\u7528\u4e8b\u52a1\u6765\u6279\u91cf\u5904\u7406\u6570\u636e\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e0e\u6570\u636e\u5e93\u7684\u4ea4\u4e92\u6b21\u6570\uff0c\u4ece\u800c\u63d0\u5347\u6574\u4f53\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4f7f\u7528ODBC\u5b9e\u73b0\u524d\u7aef\u7684\u65b9\u6cd5\u5305\u62ec\uff1a\u5b89\u88c5\u76f8\u5173\u5e93\u3001\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6267\u884cSQL\u67e5\u8be2\u3001\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u3002 \u5176\u4e2d\uff0c […]","protected":false},"author":3,"featured_media":1172031,"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\/1172027"}],"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=1172027"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1172027\/revisions"}],"predecessor-version":[{"id":1172032,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1172027\/revisions\/1172032"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1172031"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1172027"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1172027"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1172027"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}