手把手教你用Django执行原生SQL的方法

class Book(models.Model): 
  title = models.CharField(verbose_name="书名", max_length=32) 
  describe = models.TextField(verbose_name="描述") 
  author = models.CharField(verbose_name="作者", max_length=32) 
  publisher = models.CharField(verbose_name="出版社", max_length=32) 
  publisher_date = models.DateField(verbose_name="publisher") 

models.表名.objecs.raw(sql) 
models.表名.objecs.raw(sql,[参数1,参数2]) 

from django.db import connection 
def book_list(request): 
  # 真正的原生sql, 
  cursor = connection.cursor() 
  print(type(cursor)) 
  cursor.execute("select * from app01_book where id=%s", [1, ]) 
  raw = cursor.fetchall() 
  print(raw) 

def query_all_dict(sql, params=None): 
  ''' 
  查询所有结果返回字典类型数据 
  :param sql: 
  :param params: 
  :return: 
  ''' 
  with connection.cursor() as cursor: 
    if params: 
      cursor.execute(sql, params=params) 
    else: 
      cursor.execute(sql) 
    col_names = [desc[0] for desc in cursor.description] 
    row = cursor.fetchall() 
    rowList = [] 
    for list in row: 
      tMap = dict(zip(col_names, list)) 
      rowList.append(tMap) 
    return rowList 

def query_one_dict(sql, params=None): 
  """ 
  查询一个结果返回字典类型数据 
  :param sql: 
  :param params: 
  :return: 
  """ 
  with connection.cursor() as cursor: 
    if params: 
      cursor.execute(sql, params=params) 
    else: 
      cursor.execute(sql) 
    col_names = [desc[0] for desc in cursor.description] 
    row = cursor.fetchone() 
    tMap = dict(zip(col_names, row)) 
    return tMap 

django_exec_sql.zip