一、下載導入第三方庫:
1.pip install pymysql
2.直接在pycharm中導入
二、閱讀源碼,得知連接需要的參數,以及類型:
得知最少需要,主機名、用戶名、密碼、數據庫以及端口號,且端口號爲整形,其餘爲str
三、Demo:
tips:注意一下事物的提交,以及sql注入問題,有點格式化輸出的意思
from pymysql import *
try:
con = connect('localhost', 'root', 'usbw', 'skh', 3306)
except MySQLError as msg:
print(msg)
cur = con.cursor()
#查詢
count = cur.execute("select * from qwe")
print(count)
result = cur.fetchall()
for i in result:
print(i)
#增加
count1 = cur.execute("insert into qwe values(%d, %s, %s, %s, %d)" %(101, "'Python'", "'Mysql'", "'Sex'", 1))
con.commit()
print(count1)
#刪除
count2 = cur.execute("delete from qwe where id = %d" %(4))
con.commit()
print(count2)
count2 = cur.execute("update qwe set password = %s where id = %d" %("'PyMysql'", 101))
con.commit()
print(count2)
cur.close()
con.close()