Django中使用原生sql语句操作数据库

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from django.shortcuts import render
# 1、导入connection模块
from django.db import connection

def index(request):
    # 2、引入cursor()方法
    cursor = connection.cursor()
    # 3、cursor.execute("在这里写sql语句")
    #cursor.execute("insert into book(id, name, author) values(null, '三国', '罗贯中')")
    cursor.execute("select id, name, author from book")
    # rows = cursor.fetchone()   返回一条数据
    rows = cursor.fetchall()   返回全部数据
    # rows = cursor.fetchmany(2)  返回2条数据(3,4,5,6,7,...)
    for row in rows:
        print(row)
    return render(request, 'index.html')