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import csv
import mysql . connector
from tkinter import messagebox
def dis_collec ( user , data_index ) :
id = ' '
with open ( ' TrialRecommend/data.csv ' , ' r ' , encoding = ' utf-8 ' , newline = ' ' ) as file :
reader = csv . reader ( file )
index = 0
for row in reader :
if index == data_index :
id = row [ 0 ]
index = index + 1
db = mysql . connector . connect (
host = " localhost " ,
user = " root " ,
passwd = " A121023020309a " ,
database = " trial "
)
sql = ' DELETE FROM collections WHERE user_id = %s AND essay_id = %s '
cursor = db . cursor ( )
success = ' true '
try :
cursor . execute ( sql , ( user , id ) )
db . commit ( )
except db . Error as e :
print ( f " An error occurred: { e } " )
db . rollback ( )
messagebox . showinfo ( " Error " , " 取消收藏失败！ " )
success = ' false '
finally :
# 确保cursor关闭，
cursor . close ( )
if success == ' true ' :
messagebox . showinfo ( ' 提示 ' , ' 取消收藏成功！ ' )
