import pymysql as mysql

# 連接到數(shù)據(jù)庫，.connect()返回一個(gè)connection對(duì)象
db = mysql.connect(host="localhost", port=3306, user="root", passwd="123456", db="testcar")

# SQL語句，冒號(hào)str是類型提示
sql: str = "insert into testcar.car (carid, brand, in_time, out_time) " \
           "VALUES ('987','寶馬','2012','2015')"

# 用db(connection對(duì)象)創(chuàng)建一個(gè)游標(biāo)
cur = db.cursor()
# 用游標(biāo)cur執(zhí)行一個(gè)數(shù)據(jù)庫的查詢命令，用result來接收返回值
result = cur.execute(sql)
print(result)

# 提交當(dāng)前事務(wù)，才會(huì)提交到數(shù)據(jù)庫，可以嘗試只執(zhí)行上面的代碼，看看結(jié)果
db.commit()
# 關(guān)閉游標(biāo)對(duì)象
cur.close()
# 關(guān)閉連接
db.close()

"""在這個(gè)文件里，完成python操縱mysql的模塊化實(shí)現(xiàn)"""

import pymysql as mysql


# 連接到數(shù)據(jù)庫
def connect(db_name):
    con = mysql.connect(host="localhost", port=3306, user="root", passwd="123456", db=db_name)
    return con


# 向表中插入一條記錄
def insert(sql, db_name):
    con = connect(db_name)
    cur = con.cursor()
    result = cur.execute(sql)
    con.commit()
    cur.close()
    con.close()
    if result == 1:
        print("執(zhí)行成功!")
    return

# main.py
import pmysql

sql: str = "insert into testcar.car (carid, brand, in_time, out_time) " \
           "VALUES ('asasa','法拉利','2010','2012')"

if __name__ == "__main__":
    pmysql.insert(sql, "testcar")