智能聊天机器人——“有问必答”

【注】该项目已开源，开源地址为：链接，代码更新可能不及时。

第2章、《模式一：问候模式》

主窗体的布局如下图所示：

共九种功能模式，最下方为关闭窗口按钮。

点击问候模式按钮，进入问候模式：

下方为聊天窗口，点击发送按钮发送消息给聊天机器人。

示例问题：

1、My name is John.

2、我的名字是balabala。

3、Hi/Hello/Hey.

4、你好。

5、How are you?

6、你怎么样？

7、What is your name?

8、你的名字是什么？

9、歪比巴布

模块相关python代码

"""
greeting_bot_gui.py
问候模式的聊天机器人实现 Chatbot implementation in greeting mode
使用图形用户接口 Using the Graphical User Interface
作者：李 奕辰 Author: Yichen Li
"""
from PyQt5 import QtGui# 导入相关模块 Import related modules
from common_trans_pairs import *
from nltk.chat.util import Chat, reflections
import sys
from PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QTextEdit, QPushButton# Greeting Mode 问候模式
# Define some pairs of input patterns and responses 定义一些输入问答对
pairs_greeting = [# 1、用户（“我”）的名字[r"(.*)[Mm]y [Nn]ame [Ii]s(.*)",  # 适配短语my name is（我的名字是）["Hello %1, how can I assist you today?"]],["(.*)" + s_my + s_name + "(.*)",  # 适配短语my name is（我的名字是）["您好，今天我可以为您提供什么帮助？"]],# 2、你好[r"[Hh]i|[Hh]ello|[Hh]ey(.*)",  # 适配单词Hi, Hello, Hey["Hello!", "Hi there!", "Hey! How can I help you?"]],[s_hello + "(.*)",  # 适配单词Hi, Hello, Hey["你好。", "别来无恙。", "嘿！我能帮你什么忙吗？"]],# 3、（你）怎么样[r"(.*)[Hh]ow [Aa]re [Yy]ou(.*)?",  # 提取'how are you'（你怎么样），适配大小写习惯["I'm just a bunch of python code, but thanks for asking!\n","Doing well, how about you?\n"]],["(.*)" + s_how + "(.*)",  # 提取'how are you'（你怎么样），适配大小写习惯["我只是一堆python代码，但还是感谢您的询问！","还好吧，你呢？"]],# 4、用户询问chatbot名字[r"(.*)[Yy]our [Nn]ame(.*)",  # 提取词组 your name（你的名字）["I am a chatbot created using NLTK!\n"]],# TODO: 中文输入的问题？（已解决）["(.*)" + s_your + "(.*)" + s_name + "(.*)",["我是使用 NLTK 创建的聊天机器人。"]],# 5、戴夫问好[s_dave,["歪比巴布，ruarourou"]],# 6、退出操作[r"quit",["Bye! Take care.", "Goodbye!"]],[s_quit,["再见，保重。", "回见。"]],# 7、其它输入[r"(.*)",["I'm not sure I understand what you mean. Can you rephrase that?\n""我不太明白你的意思。你能重新表述一下吗？"]],
]# Create a greeting chatbot instance 问候模式聊天机器人实例
chatbot_G = Chat(pairs_greeting, reflections)class ChatbotApp_G(QWidget):def __init__(self):super().__init__()# 字体设置font = QtGui.QFont()font.setFamily("Arial")  # 括号里可以设置成自己想要的其它字体font.setPointSize(18)  # 括号里的数字可以设置成自己想要的字体大小self.setWindowTitle("Chatbot(Greeting Mode) 【问候模式】")self.setGeometry(100, 100, 400, 300)# self.setFont()# self.font().Bold()self.layout = QVBoxLayout()self.setFont(font)self.chat_area = QTextEdit(self)self.chat_area.setReadOnly(True)self.chat_area.setText("In greeting mode, I can have a simple conversation with you, including greetings, small talk, etc.\n""在问候模式下，我可以和你进行简单的对话，包括问候、寒喧等等。\n")self.layout.addWidget(self.chat_area)self.input_area = QTextEdit(self)self.layout.addWidget(self.input_area)self.send_button = QPushButton("Send 发送", self)self.send_button.clicked.connect(self.send_message)self.layout.addWidget(self.send_button)self.setLayout(self.layout)def send_message(self):user_input = self.input_area.toPlainText().strip()if user_input:self.chat_area.append("You （用户）: " + user_input)response = chatbot_G.respond(user_input)self.chat_area.append("Greeting Bot （问候模式聊天机器人）: " + response)self.input_area.clear()# if __name__ == "__main__":
def greeting_bot_start():app = QApplication(sys.argv)window = ChatbotApp_G()window.show()sys.exit(app.exec_())

在后续实践中发现，以下这个文件其实是多余的，但统一起见，使用这种翻译对的方法：

"""
文件名：common_trans_pairs.py
定义了一些常见翻译对 Some common translation pairs are defined
均使用utf-8编码 All use utf-8 encoding
作者：李 奕辰 Author: Yichen Li
"""s_name = "名字"
s_name.encode('utf-8')s_quit = "退出"
s_quit.encode('utf-8')s_my = "我的"
s_my.encode('utf-8')s_your = "你的"
s_your.encode('utf-8')s_you = "你"
s_you.encode('utf-8')s_hello = "你好"
s_hello.encode('utf-8')s_how = "怎么样"
s_how.encode('utf-8')s_tell = "讲"
s_tell.encode('utf-8')s_joke = "笑话"
s_joke.encode('utf-8')s_interesting = "有趣的"
s_interesting.encode('utf-8')s_scary = "恐怖的"
s_scary.encode('utf-8')s_story = "故事"
s_story.encode('utf-8')s_dave = "歪比巴布"
s_dave.encode('utf-8')s_con = "概念"
s_con.encode('utf-8')s_fun = "职能"
s_fun.encode('utf-8')s_char = "特性"
s_char.encode('utf-8')s_theo = "理论"
s_theo.encode('utf-8')s_ggcf = "改革春风吹满地"
s_ggcf.encode('utf-8')s_dec = "决策"
s_dec.encode('utf-8')s_met = "方法"
s_met.encode('utf-8')s_plan = "计划"
s_plan.encode('utf-8')s_for = "公式"
s_for.encode('utf-8')s_func = "函数"
s_func.encode('utf-8')s_org = "组织"
s_org.encode('utf-8')s_str = "结构"
s_str.encode('utf-8')s_lead = "领导"
s_lead.encode('utf-8')s_use = "作用"
s_use.encode('utf-8')s_mean = "含义"
s_mean.encode('utf-8')s_mic = "微观"
s_mic.encode('utf-8')s_mac = "宏观"
s_mic.encode('utf-8')s_debt = "负债"
s_debt.encode('utf-8')s_bus = "业务"
s_bus.encode('utf-8')s_type = "风格类型"
s_type.encode('utf-8')s_acc = "会计"
s_acc.encode('utf-8')s_heart = "失恋"
s_heart.encode('utf-8')s_comf = "安慰"
s_comf.encode('utf-8')s_beau = "美丽的"
s_beau.encode('utf-8')s_sentence = "句子"
s_sentence.encode('utf-8')

（持续更新中）