def rd_pic(username, img_name, root, r):
conn, cursor = pool.create_conn()
sql = "select * from pic_route where pic_id = %s"
img_name = img_name.split(".", 1)[0]
print(type(img_name))
conn.commit()
if not cursor.execute(sql, img_name):
pool.close_conn(conn, cursor)
return 10003
_, user_db, img_db = cursor.fetchone()
if user_db != username:
pool.close_conn(conn, cursor)
return 10004
if r:
img_stream = ''
# 以图片流的形式返回给前端
with open(root + img_name + '.jpg', 'rb') as img_f:
img_stream = img_f.read()
# 到底用不用base64我还在考虑w
# img_stream = base64.b64encode(img_stream)
return img_stream
else:
t1 = Thread(target=delete_file, args=(str(img_name), root))
t2 = Thread(target=delete_path, args=(str(img_name), ))
t1.start()
t2.start()
t1.join()
t2.join()
return 0
def delete_path(img_name):
conn, cursor = pool.create_conn()
sql = "delete from pic_route where pic_id = %s"
if cursor.execute(sql, str(img_name)):
print("yes")
else:
print("no")
conn.commit()
pool.close_conn(conn, cursor)
def save_pic(user_name, img, root):
# 以时间戳命名，精确到0.001秒
img_name = str(round(time.time() * 1000))
img.save(os.path.join(root, img_name + ".jpg"))
# f"{root}/{img_name}"
conn, cursor = pool.create_conn()
sql = "insert into pic_route values (NULL, %s, %s)"
cursor.execute(sql, (user_name, img_name))
conn.commit()
pool.close_conn(conn, cursor)
return img_name
def recreate_user_account():
conn, cursor = pool.create_conn()
# cursor.execute("DROP TABLE IF EXISTS USER_ACCOUNT")
sql = """CREATE TABLE IF NOT EXISTS `USER_ACCOUNT`(
`ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
`USERNAME` VARCHAR(200) NOT NULL,
`PASSWORD` VARCHAR(200) NOT NULL,
PRIMARY KEY ( `ID` )
)ENGINE=InnoDB DEFAULT CHARSET=utf8;"""
cursor.execute(sql)
conn.commit()
pool.close_conn(conn, cursor)
def recreate_client_token():
conn, cursor = pool.create_conn()
# cursor.execute("DROP TABLE IF EXISTS PIC_ROUTE")
sql = """CREATE TABLE IF NOT EXISTS `CLIENT_TOKEN`(
`ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
`USERNAME` VARCHAR(200) NOT NULL,
`TOKEN` VARCHAR(200) NOT NULL,
PRIMARY KEY ( `ID` )
)ENGINE=InnoDB DEFAULT CHARSET=utf8;"""
cursor.execute(sql)
conn.commit()
pool.close_conn(conn, cursor)
def register(username, password):
conn, cursor = pool.create_conn()
sql = "select * from user_account where username = %s"
# 用户名已存在，已注册
if cursor.execute(sql, username):
conn.commit()
pool.close_conn(conn, cursor)
return False
sql = "insert into user_account values(null, %s, %s)"
cursor.execute(sql, (username, password))
conn.commit()
pool.close_conn(conn, cursor)
return True
def login(username, password):
conn, cursor = pool.create_conn()
sql = "select * from user_account where username = %s"
# 如果没有找到该用户名对应的用户信息
if not cursor.execute(sql, username):
conn.commit()
pool.close_conn(conn, cursor)
return 10001
password_db = cursor.fetchone()[2]
conn.commit()
pool.close_conn(conn, cursor)
# 输入密码错误
if password_db != password:
return 10002
# 成功登陆
return 0
