python - 我的数据库 SQL 不允许我访问提示

Question

它不允许我从我的数据库访问我的提示，出现错误。

代码：

def do_question(self):
    self.func1()
    #myGlobal + 1
    if myGlobal >5:
        import MathsvadersReal

    SQL = 'SELECT * FROM tblQuestion'
    cursor = Databaseconnector.SELECT(SQL)
    rows = cursor.fetchall()
    random_row = random.choice(rows)

    print random_row.QuestionID, random_row.Question, random_row.Hint, random_row.A1, random_row.A2, random_row.A3, random_row.A4, random_row.CorrectAnswer

    # create welcome label
    self.label1 = Tkinter.Label(self, bg ='yellow', text = (random_row.Question))
    self.label1.grid(row = 0, column = 6, columnspan = 2, sticky = 'E')

    self.label111 = Tkinter.Label(self, bg ='red', text = (random_row.QuestionID, "."))
    self.label111.grid(row = 0, column = 1, columnspan = 4, sticky = 'W')

提示代码：

def homepage_link(self):
    lbl = self.label111['text']
    SQL = 'SELECT Hint FROM tblQuestion WHERE QuestionID = ' + lbl  + ''
    print SQL
    cursor = Databaseconnector.SELECT(SQL)
    rows = cursor.fetchall()
    #row = rows
    tkMessageBox.showinfo("Hint", (row.Hint))

错误：

ProgrammingError: ('42000', "[42000] [Microsoft][ODBC Microsoft Access Driver] Syntax error (missing operator) in query expression 'QuestionID = 9 .'. (-3100) (SQLExecDirectW)")

Answer 1

您从中检索的值self.label111['text']不是有效的整数，您应该删除"."文本末尾的 ：

self.label111 = Tkinter.Label(self, bg ='red', text=random_row.QuestionID)
# ...
SQL = 'SELECT Hint FROM tblQuestion WHERE QuestionID = %s' % self.label111['text']