这里即遵循sql语句规则
sql = "select * from 要查询的表格"
df0 = pd.read_sql(sql,conn)
df=pd.DataFrame(df0)
pandas的表展现在flask...html中
from flask import Flask, request, render_template, session, redirect
import numpy as np
import...pandas as pd
app = Flask(__name__)
df = pd.DataFrame({'A': [0, 1, 2, 3, 4],
'B