MySQL連接數據庫
#!/usr/bin/python # -*- coding: UTF-8 -*- import pymysql # 打開數據庫連接 db = pymysql.connect("111.230.43.239","root","password","RUNBOO" ) # 使用cursor()方法獲取操作游標 cursor = db.cursor() # 使用execute方法執行SQL語句 cursor.execute("SELECT VERSION()") # 使用 fetchone() 方法獲取一條數據 data = cursor.fetchone() print ("Database version : %s " % data) # 關閉數據庫連接 db.close()
報錯:pymysql.err.InternalError: (1130, u”Host ‘218.20.44.100’ is not allowed to connect to this MySql server,MySQL不允許從遠程訪問
解決步驟:
(1)添加用戶允許從任何主機連接到mysql服務器
例如,你想myuser使用mypassword從任何主機連接到mysql服務器的話。
GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION; FLUSH PRIVILEGES;
如果你想允許用戶root從ip為192.168.1.1的主機連接到mysql服務器,並使用password作為密碼
GRANT ALL PRIVILEGES ON *.* TO 'root'@'192.168.1.1' IDENTIFIED BY 'password' WITH GRANT OPTION; FLUSH PRIVILEGES;
如果你想允許用戶root從ip為192.168.1.1的主機連接到mysql服務器的dk數據庫,並使用password作為密碼
GRANT ALL PRIVILEGES ON dk.* TO 'root'@'192.168.1.1' IDENTIFIED BY 'password' WITH GRANT OPTION; FLUSH PRIVILEGES;
已經將任何主機允許連接到mysql服務器:
成功