from tkinter import * from tkinter import messagebox

import smtplib from email.mime.text import MIMEText from email.header import Header from email.utils import formataddr

QQ邮箱的SMTP服务器设置

SMTP_SERVER = 'smtp.qq.com' PORT = 465

def send_email(sender, password, receiver, subject, message, user_name): # 邮件内容设置 msg = MIMEText(message, 'plain', 'utf-8') msg['From'] = formataddr((str(Header(user_name, 'utf-8')), sender)) msg['To'] = Header(receiver, 'utf-8') msg['Subject'] = Header(subject, 'utf-8')

try:
    # 创建SMTP对象并连接到服务器
    smtp_obj = smtplib.SMTP_SSL(SMTP_SERVER, PORT)
    # 登录SMTP服务器
    smtp_obj.login(sender, password)
    # 发送邮件
    smtp_obj.sendmail(sender, receiver, msg.as_string())
    # 显示发送成功消息
    show_success_message('邮件发送成功！')
except smtplib.SMTPException as e:
    # 显示发送失败消息
    show_error_message(f"邮件发送失败：{str(e)}")
finally:
    # 关闭连接
    if smtp_obj:
        smtp_obj.quit()

def show_success_message(message): root = Tk() root.withdraw() # 隐藏主窗口 messagebox.showinfo('系统消息', message) root.destroy() # 销毁窗口

def show_error_message(message): root = Tk() root.withdraw() # 隐藏主窗口 messagebox.showerror('系统消息', message) root.destroy() # 销毁窗口

def func(): sender_email = str(entry_1.get()) sender_password = str(entry_2.get()) user_name = str(entry_3.get()) receiver_email = str(entry_4.get()) email_subject = str(entry_5.get()) email_message = entry_6.get("1.0", "end").strip() # 去除文本前后的空白字符

if not sender_email:
    messagebox.showwarning('警告', '发送邮箱地址不能为空！')
elif not sender_password:
    messagebox.showwarning('警告', '密码（授权码）不能为空！')
elif not user_name:
    messagebox.showwarning('警告', '用户名不能为空！')
elif not receiver_email:
    messagebox.showwarning('警告', '接收邮箱地址不能为空！')
elif not email_subject:
    messagebox.showwarning('警告', '邮件主题不能为空！')
elif not email_message:
    messagebox.showwarning('警告', '邮件内容不能为空！')
else:
    send_email(sender_email, sender_password, receiver_email, email_subject, email_message, user_name)

if name == 'main': root = Tk() root.geometry("650x500+350+180") root.title('Internet 邮件发送客户程序（QQ邮箱）') root.configure(bg="#F0F0F0") # 设置窗口背景色为淡灰色

# 配置标签和输入框的样式
label_style = {"font": ("楷书", 12), "fg": "navy", "bg": "#F0F0F0"}
entry_style = {"font": ("宋体", 12), "fg": "black", "width": 40}
text_style = {"font": ("宋体", 12), "fg": "black", "width": 50, "height": 10}

# 标签和输入框
label_1 = Label(root, text='请输入发送方邮箱地址：', **label_style)
label_1.grid(row=0, column=0, padx=10, pady=5, sticky=W)
entry_1 = Entry(root, **entry_style)
entry_1.grid(row=0, column=1, padx=10, pady=5, sticky=W)

label_2 = Label(root, text='请输入发送方邮箱密码：', **label_style)
label_2.grid(row=1, column=0, padx=10, pady=5, sticky=W)
entry_2 = Entry(root, **entry_style, show='*')
entry_2.grid(row=1, column=1, padx=10, pady=5, sticky=W)

label_3 = Label(root, text='请输入发送方用户名：', **label_style)
label_3.grid(row=2, column=0, padx=10, pady=5, sticky=W)
entry_3 = Entry(root, **entry_style)
entry_3.grid(row=2, column=1, padx=10, pady=5, sticky=W)

label_4 = Label(root, text='请输入接收方邮箱地址：', **label_style)
label_4.grid(row=3, column=0, padx=10, pady=5, sticky=W)
entry_4 = Entry(root, **entry_style)
entry_4.grid(row=3, column=1, padx=10, pady=5, sticky=W)

label_5 = Label(root, text='请输入发送邮件的主题：', **label_style)
label_5.grid(row=4, column=0, padx=10, pady=5, sticky=W)
entry_5 = Entry(root, **entry_style)
entry_5.grid(row=4, column=1, padx=10, pady=5, sticky=W)

label_6 = Label(root, text='请输入发送邮件的内容：', **label_style)
label_6.grid(row=5, column=0, padx=10, pady=5, sticky=NW)
entry_6 = Text(root, **text_style)
entry_6.grid(row=6, column=0, columnspan=2, padx=10, pady=5, sticky=NSEW)

# 发送按钮
button = Button(root, text='发送', font=("楷书", 20), fg="white", bg="green", command=func)
button.grid(row=7, column=0, columnspan=2, pady=20)

root.mainloop()

修改上述代码，使布局居中，发送按钮改为白框黑底