python - python web表单遍历非序列错误

Question

尝试自学Python。我有一个简单的Web应用程序，该应用程序将一个form字段的值分配给一个名为“ new_quote”的变量，并将其粘贴到SQLite表的“ content”字段中。

当我点击Web表单上的Submit按钮时，出现TypeError ...

<type 'exceptions.TypeError'>: iteration over non-sequence 
      args = ('iteration over non-sequence',) 
      message = 'iteration over non-sequence'

它不喜欢下面的行，但是我不确定从这里到哪里。

for each_item in new_quote:

下面复制了用于将报价添加到数据库的CGI脚本。任何意见，将不胜感激。

#!/usr/bin/env python

import sqlite3
import cgi

import cgitb
cgitb.enable()

# This code takes the content of the form and assigns it to a   variable called new_quotes.

form = cgi.FieldStorage()
new_quote = form.value[(0)]

# Items from new_quotes are pushed into the DB in the code below.

for each_item in new_quote:

    connection = sqlite3.connect("quotes.sqlite")
    cursor = connection.cursor()
    content = new_quote[each_item].content
    cursor.execute("INSERT INTO quotes(content) VALUES (?)")
    connection.commit()
    connection.close()

Answer 1

您试图遍历对象本身，这将返回错误。您想遍历对象内部的列表，