一 .Django中(原生mysql封裝)
1.函數封裝
import pymysql
# 查 所資料
def get_all(sql):
conn = pymysql.connect(host="localhost", user="root", password="root", database="db6")
cur = conn.cursor(cursor=pymysql.cursors.DictCursor)
cur.execute(sql)
res = cur.fetchall()
cur.close()
conn.close()
return res
# 查 一行資料
def get_one(sql,args):
conn = pymysql.connect(host="localhost", user="root", password="root", database="db6")
cur = conn.cursor(cursor=pymysql.cursors.DictCursor)
cur.execute(sql,args)
res = cur.fetchone()
cur.close()
conn.close()
return res
# 增 删 改 都要送出 commit
def get_mif(sql,args):
conn = pymysql.connect(host="localhost", user="root", password="root", database="db6")
cur = conn.cursor(cursor=pymysql.cursors.DictCursor)
cur.execute(sql,args)
conn.commit()
cur.close()
conn.close()
# 增 删 改 都要送出 commit
# 添加并且帶傳回值
def get_create(sql,args):
conn = pymysql.connect(host="localhost", user="root", password="root", database="db6")
cur = conn.cursor(cursor=pymysql.cursors.DictCursor)
cur.execute(sql,args)
conn.commit()
cur.close()
conn.close()
return cur.lastrowid
# python插入記錄後取得主鍵id的方法(cursor.lastrowid和conn.insert_id())
# 增 删 改 都要送出 commit
# 批量加入 以元祖的形式傳參數 就是添加幾次次送出一次
def mul_mode(sql, args):
conn = pymysql.connect(host="localhost", user="root", password="root", database="db6")
cur = conn.cursor(cursor=pymysql.cursors.DictCursor)
# self.cursor.executemany("insert into user (id,name) values (%s,%s)",[(1,"aaa"),(2,"bbb"),(3,"ccc")]) 傳參方式
cur.executemany(sql, args)
conn.commit()
cur.close()
conn.close()
2.對象封裝
'''
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'''
import pymysql
# 注意 args 參數可以傳空值[]
class Mysqls(object):
def __init__(self):
# 讀取配置檔案
self.connect()
def connect(self):
self.conn = pymysql.connect(host="localhost", user="root", password="root", database="db6") # 可以把主機連接配接等寫入配置檔案 等
self.cursor=self.conn.cursor(cursor=pymysql.cursors.DictCursor)
# 擷取是以資料
def get_all(self,sql,args):
self.cursor.execute(sql,args)
res = self.cursor.fetchall()
return res
# 擷取一行資料
def get_one(self,sql,args):
self.cursor.execute(sql, args)
res = self.cursor.fetchone()
return res
# 添加 就是添加一次送出多次
def get_mode (self,sql,args):
self.cursor.execute(sql, args)
self.conn.commit()
# 添加并且帶傳回值
def get_create(self,sql,args):
self.cursor.execute(sql,args)
self.conn.commit()
return self.cursor.lastrowid
# python插入記錄後取得主鍵id的方法(cursor.lastrowid和conn.insert_id())
# 批量加入 以元祖的形式傳參數 就是添加一次送出一次
def mul_mode(self, sql, args):
# self.cursor.executemany("insert into user (id,name) values (%s,%s)",[(1,"aaa"),(2,"bbb"),(3,"ccc")]) 傳參方式
self.cursor.executemany(sql, args)
self.conn.commit()
def get_close(self):
self.cursor.close()
self.conn.close()