📄 listing26-6.py
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#!/usr/bin/pythonprint 'Content-type: text/html\n'import cgitb; cgitb.enable()import psycopgconn = psycopg.connect('dbname=foo user=bar')curs = conn.cursor()import cgi, sysform = cgi.FieldStorage()id = form.getvalue('id')print """<html> <head> <title>View Message</title> </head> <body> <h1>View Message</h1> """try: id = int(id)except: print 'Invalid message ID' sys.exit()curs.execute('SELECT * FROM messages WHERE id = %i' % id)rows = curs.dictfetchall()if not rows: print 'Unknown message ID' sys.exit()row = rows[0]print """ <p><b>Subject:</b> %(subject)s<br /> <b>Sender:</b> %(sender)s<br /> <pre>%(text)s</pre> </p> <hr /> <a href='main.cgi'>Back to the main page</a> | <a href="edit.cgi?reply_to=%(id)s">Reply</a> </body></html>""" % row⌨️ 快捷键说明
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