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back.py
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back.py
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import sqlite3
def connect():
conn = sqlite3.connect("BookStore.db")
cur = conn.cursor()
cur.execute(
"CREATE TABLE IF NOT EXISTS book (id INTEGER PRIMARY KEY,title text,author text,year INTEGER,isbn INTEGER)")
conn.commit()
conn.close()
def insert(title, author, year, isbn):
conn = sqlite3.connect("BookStore.db")
cur = conn.cursor()
cur.execute("INSERT INTO book VALUES (NULL,?,?,?,?)", (title, author, year, isbn))
conn.commit()
conn.close()
def view():
conn = sqlite3.connect("BookStore.db")
cur = conn.cursor()
cur.execute("SELECT * FROM book")
rows = cur.fetchall()
conn.close()
return rows
def Search(title="", author="", year="", isbn=""):
conn = sqlite3.connect("BookStore.db")
cur = conn.cursor()
cur.execute("SELECT * FROM book WHERE title=? OR author=? OR year=? OR isbn=?", (title, author, year, isbn))
res = cur.fetchall()
conn.close()
return res
def Delete(id):
conn = sqlite3.connect("BookStore.db")
cur = conn.cursor()
cur.execute("DELETE FROM book WHERE id=?",(id,))
conn.commit()
conn.close()
def Update(id, title, author, year, isbn):
conn = sqlite3.connect("BookStore.db")
cur = conn.cursor()
cur.execute("UPDATE book SET title=?,author=?,year=?,isbn=? WHERE id=?" , (title, author, year, isbn,id))
conn.commit()
conn.close()
connect()
# insert("python book","ahmad",2020,2030)
# print(Search(isbn=2030))
# Update(4,"Csharp","mohammadreza",2021,1020)
# Delete(2)