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sql.py
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import pymysql
import sqlite3
import hashlib
class Mysql():
def __init__(self):
try:
self.connect_sql = pymysql.connect(user="root", password="crazyrookie", host="127.0.0.1", port=3306)
self.connect_cursor = self.connect_sql.cursor()
self.connect_cursor.execute("CREATE DATABASE IF NOT EXISTS guessnumber DEFAULT CHARACTER SET utf8;")
self.connect_sql.commit()
self.connect_cursor.execute("USE guessnumber;")
except pymysql.err.OperationalError:
pass
def sava(self,username,password,email):
# sql1 = """
# CREATE DATABASE IF NOT EXISTS guessnumber DEFAULT CHARACTER SET utf8;
# USE guessnumber;
# CREATE TABLE IF NOT EXISTS user(
# username VARCHAR(88),
# password VARCHAR(88),
# email VARCHAR(88)
# );
# """
# self.connect_cursor.execute(sql1)
# self.connect_sql.commit()
sql = "INSERT INTO user (username,password,email) VALUES ('{}','{}','{}')".format(username,password,email)
self.connect_cursor.execute(sql)
self.connect_sql.commit()
# 检查用户名是否正确~
def check_username(self,username):
sql = "SELECT username FROM user WHERE username='{}'".format(username)
try:
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i[0]
except pymysql.err.ProgrammingError:
sql1 = """
CREATE DATABASE IF NOT EXISTS guessnumber DEFAULT CHARACTER SET utf8;
USE guessnumber;
CREATE TABLE IF NOT EXISTS user(
username VARCHAR(88),
password VARCHAR(88),
email VARCHAR(88)
);
"""
self.connect_cursor.execute(sql1)
self.connect_sql.commit()
finally:
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i[0]
# 检查密码是否正确~
def check_password(self,username,password):
md5 = hashlib.md5()
md5.update((str(username) + str(password) + "guess*number").encode())
sql = "SELECT password FROM user WHERE password='{}'".format(md5.hexdigest())
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i[0]
# 通过email查找用户名和密码,有就返回元组,没有则返回None~
def check_email_password(self,email):
if self.check_email(email) != None:
sql = "SELECT username,password FROM user WHERE email='{}'".format(email)
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i
else:
pass
# 查找email,没有则返回None~
def check_email(self,email):
sql = "SELECT email FROM user WHERE email='{}'".format(email)
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i[0]
# 通过email查询用户名,如果没有则返回None~
def get_username(self,email):
sql = "SELECT username FROM user WHERE email='{}'".format(email)
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i[0]
# 忘记密码时,利用用户名和邮箱来判断是否可以修改密码~
def check_forget_pass(self,username,email):
sql = "SELECT * FROM user WHERE username='{}' and email='{}'".format(username,email)
self.connect_cursor.execute(sql)
fetchall = self.connect_cursor.fetchall()
for i in fetchall:
return i
def change_pass(self,new_pass,username,email):
sql = "UPDATE user SET password='{}' WHERE username='{}' and email='{}'".format(new_pass,username,email)
self.connect_cursor.execute(sql)
self.connect_sql.commit()
class Sqlite():
def __init__(self):
self.connect_sql = sqlite3.connect("guessnumber.db")
self.connect_cursor = self.connect_sql.cursor()
def sava(self,username,password,email):
# sql1 = """
# CREATE TABLE IF NOT EXISTS user(
# username VARCHAR(88),
# password VARCHAR(88),
# email VARCHAR(88)
# );
#
# INSERT INTO user (username,password,email) VALUES ('ceshi','ceshi','[email protected]')
# """
# self.connect_cursor.executescript(sql1)
# self.connect_sql.commit()
sql = "INSERT INTO user (username,password,email) VALUES ('{}','{}','{}')".format(username,password,email)
self.connect_cursor.execute(sql)
self.connect_sql.commit()
def ceshi(self):
self.connect_cursor.execute("SELECT * FROM user")
for i in self.connect_cursor.fetchall():
print(i)
# 检查用户名是否正确~
def check_username(self,username):
sql = "SELECT username FROM user WHERE username='{}'".format(username)
try:
for i in self.connect_cursor.execute(sql):
return i[0]
except sqlite3.OperationalError:
connect_sql = sqlite3.connect("guessnumber.db")
connect_cursor = connect_sql.cursor()
sql1 = """
CREATE TABLE IF NOT EXISTS user(
username VARCHAR(88),
password VARCHAR(88),
email VARCHAR(88)
);
INSERT INTO user (username,password,email) VALUES ('ceshi','ceshi','[email protected]')
"""
connect_cursor.executescript(sql1)
connect_sql.commit()
finally:
for i in self.connect_cursor.execute(sql):
return i[0]
# 检查密码是否正确~
def check_password(self,username,password):
md5 = hashlib.md5()
md5.update((str(username) + str(password) + "guess*number").encode())
sql = "SELECT password FROM user WHERE password='{}'".format(md5.hexdigest())
for i in self.connect_cursor.execute(sql):
return i[0]
# 通过email查找用户名和密码,有就返回元组,没有则返回None~
def check_email_password(self,email):
if self.check_email(email) != None:
sql = "SELECT username,password FROM user WHERE email='{}'".format(email)
for i in self.connect_cursor.execute(sql):
return i
else:
pass
# 查找email,没有则返回None~
def check_email(self,email):
sql = "SELECT email FROM user WHERE email='{}'".format(email)
for i in self.connect_cursor.execute(sql):
return i[0]
# 通过email查询用户名,如果没有则返回None~
def get_username(self,email):
sql = "SELECT username FROM user WHERE email='{}'".format(email)
for i in self.connect_cursor.execute(sql):
return i[0]
# 忘记密码时,利用用户名和邮箱来判断是否可以修改密码~
def check_forget_pass(self,username,email):
sql = "SELECT * FROM user WHERE username='{}' and email='{}'".format(username,email)
for i in self.connect_cursor.execute(sql):
return i
def change_pass(self,new_pass,username,email):
sql = "UPDATE user SET password='{}' WHERE username='{}' and email='{}'".format(new_pass,username,email)
self.connect_cursor.execute(sql)
self.connect_sql.commit()
#
s = Sqlite()
# m = Mysql()
# s.ceshi()
# print(s.check_email("[email protected]"))
# print(check_password("[email protected]","123456s"))
# md5 = hashlib.md5()
# md5.update((str(check_email_password("[email protected]")[0]) + str("123456s") + "guess*number").encode())
# print(check_email_password("[email protected]")[1] == md5.hexdigest())
# print(get_username("[email protected]"))
# print(m.check_forget_pass("Crazy","[email protected]"))
# print(check_email("[email protected]"))