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| import os
import sys
import base64
from pathlib import Path
import tkinter as tk
from tkinter import filedialog, messagebox
import requests
# Windows 高分屏适配，避免字体模糊
if sys.platform == "win32":
try:
from ctypes import windll
windll.shcore.SetProcessDpiAwareness(1)
except Exception:
pass
class EmailSenderApp:
"""极简 Resend 邮件发送器：仅保留发送功能"""
def __init__(self, root):
self.root = root
self.root.title("Resend 邮件发送器")
self.root.geometry("720x560")
self.api_key = os.getenv("RESEND_KEY")
self.attachments = []
self.build_ui()
if not self.api_key:
messagebox.showwarning("提示", "未检测到 RESEND_KEY 环境变量，发送前请先配置。")
def build_ui(self):
pad = 10
frm = tk.Frame(self.root)
frm.pack(fill=tk.BOTH, expand=True, padx=pad, pady=pad)
# From
tk.Label(frm, text="From").grid(row=0, column=0, sticky="w")
self.from_entry = tk.Entry(frm)
self.from_entry.grid(row=0, column=1, sticky="we", padx=(6, 0))
# To
tk.Label(frm, text="To").grid(row=1, column=0, sticky="w", pady=(6, 0))
self.to_entry = tk.Entry(frm)
self.to_entry.grid(row=1, column=1, sticky="we", padx=(6, 0), pady=(6, 0))
# Subject
tk.Label(frm, text="Subject").grid(row=2, column=0, sticky="w", pady=(6, 0))
self.subject_entry = tk.Entry(frm)
self.subject_entry.grid(row=2, column=1, sticky="we", padx=(6, 0), pady=(6, 0))
# Message
tk.Label(frm, text="Message").grid(row=3, column=0, sticky="nw", pady=(6, 0))
msg_frame = tk.Frame(frm)
msg_frame.grid(row=3, column=1, sticky="nsew", padx=(6, 0), pady=(6, 0))
self.msg_text = tk.Text(msg_frame, height=12, wrap=tk.WORD)
self.msg_text.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
msg_scroll = tk.Scrollbar(msg_frame, command=self.msg_text.yview)
msg_scroll.pack(side=tk.RIGHT, fill=tk.Y)
self.msg_text.configure(yscrollcommand=msg_scroll.set)
# Attachments
attach_bar = tk.Frame(frm)
attach_bar.grid(row=4, column=1, sticky="w", pady=(6, 0))
tk.Button(attach_bar, text="添加附件", command=self.add_attachments).pack(side=tk.LEFT)
tk.Button(attach_bar, text="移除选中", command=self.remove_attachment).pack(side=tk.LEFT, padx=(6, 0))
self.attach_list = tk.Listbox(frm, height=4)
self.attach_list.grid(row=5, column=1, sticky="nsew", padx=(6, 0), pady=(6, 0))
# Buttons
btn_bar = tk.Frame(frm)
btn_bar.grid(row=6, column=1, sticky="e", pady=(10, 0))
tk.Button(btn_bar, text="清空", command=self.clear_form).pack(side=tk.RIGHT)
tk.Button(btn_bar, text="发送", command=self.send_email).pack(side=tk.RIGHT, padx=(0, 8))
# Layout weights
frm.columnconfigure(1, weight=1)
frm.rowconfigure(3, weight=1)
frm.rowconfigure(5, weight=1)
def add_attachments(self):
files = filedialog.askopenfilenames(title="选择附件")
for f in files:
self.attachments.append(f)
self.attach_list.insert(tk.END, Path(f).name)
def remove_attachment(self):
sel = self.attach_list.curselection()
if not sel:
return
idx = sel[0]
self.attach_list.delete(idx)
self.attachments.pop(idx)
def clear_form(self):
self.from_entry.delete(0, tk.END)
self.to_entry.delete(0, tk.END)
self.subject_entry.delete(0, tk.END)
self.msg_text.delete("1.0", tk.END)
self.attachments.clear()
self.attach_list.delete(0, tk.END)
def send_email(self):
if not self.api_key:
messagebox.showerror("错误", "未配置 RESEND_KEY 环境变量。")
return
from_email = self.from_entry.get().strip()
to_email = self.to_entry.get().strip()
subject = self.subject_entry.get().strip()
message = self.msg_text.get("1.0", tk.END).strip()
if not all([from_email, to_email, subject, message]):
messagebox.showerror("错误", "请填写 From、To、Subject 和 Message。")
return
payload = {
"from": from_email,
"to": [to_email],
"subject": subject,
"html": f"<html><body><pre>{message}</pre></body></html>",
}
if self.attachments:
att = []
for p in self.attachments:
try:
with open(p, "rb") as fh:
att.append({
"filename": Path(p).name,
"content": base64.b64encode(fh.read()).decode(),
})
except Exception as e:
messagebox.showerror("错误", f"读取附件失败: {Path(p).name} - {e}")
return
payload["attachments"] = att
try:
resp = requests.post(
"https://api.resend.com/emails",
json=payload,
headers={
"Authorization": f"Bearer {self.api_key}",
"Content-Type": "application/json",
},
timeout=30,
)
if resp.status_code == 200:
messagebox.showinfo("成功", "邮件已发送。")
self.clear_form()
else:
try:
msg = resp.json().get("message", resp.text)
except Exception:
msg = resp.text
messagebox.showerror("发送失败", msg)
except Exception as e:
messagebox.showerror("错误", f"请求失败: {e}")
def main():
root = tk.Tk()
EmailSenderApp(root)
root.mainloop()
if __name__ == "__main__":
main()
|
