79 lines
3.0 KiB
Python
79 lines
3.0 KiB
Python
import pymssql
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import threading
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import time
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class database:
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def __init__(self):
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self.database_server = 'localhost'
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self.database_user = 'Chat'
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self.database_password = '123456'
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self.database_port = 8972
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self.database_name = 'Chat'
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self.database_state = False
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self.database_conn = None
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self.database_cursor = None
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self.link_database_thread = threading.Thread(target=self.link_database)
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self.link_database_thread.start()
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# 创建一个互斥锁对象
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self.lock = threading.Lock()
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def link_database(self):
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while not self.database_state:
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time.sleep(1)
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try:
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self.database_conn = pymssql.connect(server=self.database_server,
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user=self.database_user,
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password=self.database_password,
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port=self.database_port,
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database=self.database_name)
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self.database_cursor = self.database_conn.cursor()
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self.database_state = True
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except pymssql.Error as a:
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print(a)
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def check_account_state(self, Id: int, password):
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if self.database_state:
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try:
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self.database_cursor.execute(f"select Id,Password from Account where Id = {Id}")
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request_data = self.database_cursor.fetchall()
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if len(request_data) != 0:
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if request_data[0][1] == password:
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return 0
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else:
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return 1
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else:
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return 2
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except pymssql as a:
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self.database_state = False
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print(a)
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def sign_account(self, NetName, Password):
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if self.database_state:
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# 获取锁
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self.lock.acquire()
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try:
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self.database_cursor.execute("insert into Account(NetName, Password)"
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f"values ('{NetName}','{Password}')")
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self.database_conn.commit()
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self.database_cursor.execute(f"SELECT SCOPE_IDENTITY() AS LastInsertedId;")
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Id = self.database_cursor.fetchone()[0]
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# 释放锁
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self.lock.release()
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return {"Id": int(Id), "NetName": NetName, "Password": Password}
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except pymssql as a:
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self.lock.release()
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self.database_state = False
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return False
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def alter_state_database(self, Id: int, sate):
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if self.database_state:
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try:
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self.database_cursor.execute(f"update Account set State = N'{sate}' where Id = {Id}")
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self.database_conn.commit()
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except pymssql as a:
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self.database_state = False
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print(a)
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