import tkinter as tk from tkinter import ttk, messagebox, scrolledtext import requests import json import hashlib import random from datetime import datetime import threading import os class TranslatorApp: def __init__(self, root): self.root = root self.root.title("🌍 智能翻译器") self.root.geometry("1000x600") self.root.configure(bg='#f5f5f5') # 设置窗口位置 self.center_window() # 支持的语言 self.languages = { '自动检测': 'auto', '中文': 'zh', '英语': 'en', '日语': 'ja', '韩语': 'ko', '法语': 'fr', '德语': 'de', '西班牙语': 'es', '俄语': 'ru', '阿拉伯语': 'ar', '葡萄牙语': 'pt', '意大利语': 'it' } # 翻译引擎 self.translation_engines = ["百度翻译", "谷歌翻译", "有道翻译"] self.current_engine = "百度翻译" # 历史记录 self.history = [] self.load_history() # 创建界面 self.create_ui() def center_window(self): """窗口居中""" self.root.update_idletasks() width = 1000 height = 600 screen_width = self.root.winfo_screenwidth() screen_height = self.root.winfo_screenheight() x = (screen_width - width) // 2 y = (screen_height - height) // 2 self.root.geometry(f"{width}x{height}+{x}+{y}") def create_ui(self): """创建用户界面""" # 主框架 main_frame = tk.Frame(self.root, bg='#f5f5f5', padx=20, pady=20) main_frame.pack(fill=tk.BOTH, expand=True) # 标题栏 self.create_header(main_frame) # 控制区域 self.create_controls(main_frame) # 翻译区域 self.create_translation_area(main_frame) # 状态栏 self.create_statusbar(main_frame) def create_header(self, parent): """创建标题栏""" header_frame = tk.Frame(parent, bg='#f5f5f5') header_frame.pack(fill=tk.X, pady=(0, 20)) # 标题 title_label = tk.Label(header_frame, text="🌍 智能翻译器", font=("Microsoft YaHei", 24, "bold"), fg="#2c3e50", bg='#f5f5f5') title_label.pack(side=tk.LEFT) # 引擎选择 engine_frame = tk.Frame(header_frame, bg='#f5f5f5') engine_frame.pack(side=tk.RIGHT) tk.Label(engine_frame, text="引擎:", font=("Microsoft YaHei", 10), fg="#34495e", bg='#f5f5f5').pack(side=tk.LEFT, padx=5) self.engine_var = tk.StringVar(value=self.current_engine) engine_combo = ttk.Combobox(engine_frame, textvariable=self.engine_var, values=self.translation_engines, state="readonly", width=12, font=("Microsoft YaHei", 10)) engine_combo.pack(side=tk.LEFT) def create_controls(self, parent): """创建控制区域""" control_frame = tk.Frame(parent, bg='#f5f5f5') control_frame.pack(fill=tk.X, pady=(0, 20)) # 源语言 tk.Label(control_frame, text="从:", font=("Microsoft YaHei", 11), fg="#2c3e50", bg='#f5f5f5').grid(row=0, column=0, padx=5) self.src_lang_var = tk.StringVar(value="自动检测") src_lang_combo = ttk.Combobox(control_frame, textvariable=self.src_lang_var, values=list(self.languages.keys()), state="readonly", width=15, font=("Microsoft YaHei", 10)) src_lang_combo.grid(row=0, column=1, padx=5) # 目标语言 tk.Label(control_frame, text="到:", font=("Microsoft YaHei", 11), fg="#2c3e50", bg='#f5f5f5').grid(row=0, column=2, padx=5) self.tgt_lang_var = tk.StringVar(value="英语") tgt_lang_combo = ttk.Combobox(control_frame, textvariable=self.tgt_lang_var, values=[k for k in self.languages.keys() if k != "自动检测"], state="readonly", width=15, font=("Microsoft YaHei", 10)) tgt_lang_combo.grid(row=0, column=3, padx=5) # 交换按钮 swap_btn = tk.Button(control_frame, text="⇄", command=self.swap_languages, font=("Microsoft YaHei", 12, "bold"), bg="#3498db", fg="white", relief=tk.FLAT, width=3) swap_btn.grid(row=0, column=4, padx=10) # 控制按钮 btn_frame = tk.Frame(control_frame, bg='#f5f5f5') btn_frame.grid(row=0, column=5, padx=20, sticky=tk.W) tk.Button(btn_frame, text="📄 粘贴", command=self.paste_text, font=("Microsoft YaHei", 10), bg="#2ecc71", fg="white", relief=tk.FLAT, width=8).pack(side=tk.LEFT, padx=2) tk.Button(btn_frame, text="🧹 清空", command=self.clear_input, font=("Microsoft YaHei", 10), bg="#e74c3c", fg="white", relief=tk.FLAT, width=8).pack(side=tk.LEFT, padx=2) tk.Button(btn_frame, text="📋 复制", command=self.copy_output, font=("Microsoft YaHei", 10), bg="#3498db", fg="white", relief=tk.FLAT, width=8).pack(side=tk.LEFT, padx=2) # 字数统计 count_frame = tk.Frame(control_frame, bg='#f5f5f5') count_frame.grid(row=0, column=6, padx=20) self.char_count = tk.Label(count_frame, text="字符: 0", font=("Microsoft YaHei", 9), fg="#7f8c8d", bg='#f5f5f5') self.char_count.pack() def create_translation_area(self, parent): """创建翻译区域""" trans_frame = tk.Frame(parent, bg='#f5f5f5') trans_frame.pack(fill=tk.BOTH, expand=True) # 输入区域 input_frame = tk.LabelFrame(trans_frame, text="输入文本", font=("Microsoft YaHei", 11, "bold"), bg='white', fg="#2c3e50", padx=10, pady=10) input_frame.pack(side=tk.LEFT, fill=tk.BOTH, expand=True, padx=(0, 10)) self.input_text = scrolledtext.ScrolledText(input_frame, font=("Microsoft YaHei", 12), wrap=tk.WORD, height=20, bg='#f8f9fa', relief=tk.FLAT) self.input_text.pack(fill=tk.BOTH, expand=True) # 绑定文本变化事件 self.input_text.bind('', self.update_counts) # 输出区域 output_frame = tk.LabelFrame(trans_frame, text="翻译结果", font=("Microsoft YaHei", 11, "bold"), bg='white', fg="#2c3e50", padx=10, pady=10) output_frame.pack(side=tk.RIGHT, fill=tk.BOTH, expand=True, padx=(10, 0)) self.output_text = scrolledtext.ScrolledText(output_frame, font=("Microsoft YaHei", 12), wrap=tk.WORD, height=20, bg='#f8f9fa', relief=tk.FLAT, state=tk.DISABLED) self.output_text.pack(fill=tk.BOTH, expand=True) # 翻译按钮 btn_frame = tk.Frame(parent, bg='#f5f5f5') btn_frame.pack(fill=tk.X, pady=20) self.translate_btn = tk.Button(btn_frame, text="🚀 开始翻译", command=self.translate, font=("Microsoft YaHei", 14, "bold"), bg="#1abc9c", fg="white", relief=tk.RAISED, padx=40, pady=10) self.translate_btn.pack() def create_statusbar(self, parent): """创建状态栏""" status_frame = tk.Frame(parent, bg='#ecf0f1', height=30) status_frame.pack(fill=tk.X, pady=(20, 0)) status_frame.pack_propagate(False) self.status_var = tk.StringVar(value="就绪") status_label = tk.Label(status_frame, textvariable=self.status_var, font=("Microsoft YaHei", 9), fg="#7f8c8d", bg='#ecf0f1') status_label.pack(side=tk.LEFT, padx=10) def update_counts(self, event=None): """更新字数统计""" text = self.input_text.get("1.0", tk.END).strip() char_count = len(text) self.char_count.config(text=f"字符: {char_count}") def swap_languages(self): """交换语言""" src = self.src_lang_var.get() tgt = self.tgt_lang_var.get() if src == "自动检测": self.src_lang_var.set(tgt) self.tgt_lang_var.set("自动检测") else: self.src_lang_var.set(tgt) self.tgt_lang_var.set(src) # 交换文本 input_text = self.input_text.get("1.0", tk.END).strip() self.output_text.config(state=tk.NORMAL) output_text = self.output_text.get("1.0", tk.END).strip() if output_text: self.input_text.delete("1.0", tk.END) self.input_text.insert("1.0", output_text) self.output_text.delete("1.0", tk.END) self.output_text.insert("1.0", input_text) self.output_text.config(state=tk.DISABLED) self.update_counts() self.status_var.set("语言已交换") def paste_text(self): """粘贴文本""" try: text = self.root.clipboard_get() self.input_text.insert(tk.INSERT, text) self.update_counts() self.status_var.set("已粘贴文本") except: self.status_var.set("粘贴失败") def clear_input(self): """清空输入""" self.input_text.delete("1.0", tk.END) self.update_counts() self.status_var.set("已清空输入") def copy_output(self): """复制输出""" self.output_text.config(state=tk.NORMAL) output_text = self.output_text.get("1.0", tk.END).strip() self.output_text.config(state=tk.DISABLED) if output_text: self.root.clipboard_clear() self.root.clipboard_append(output_text) self.status_var.set("译文已复制") else: self.status_var.set("没有可复制的内容") def translate(self): """执行翻译""" text = self.input_text.get("1.0", tk.END).strip() if not text: messagebox.showwarning("提示", "请输入要翻译的文本") return src_lang = self.languages.get(self.src_lang_var.get(), "auto") tgt_lang = self.languages.get(self.tgt_lang_var.get(), "en") engine = self.engine_var.get() # 更新状态 self.status_var.set("正在翻译...") self.translate_btn.config(state=tk.DISABLED, text="翻译中...") # 在新线程中翻译 thread = threading.Thread(target=self._translate_thread, args=(text, src_lang, tgt_lang, engine)) thread.daemon = True thread.start() def _translate_thread(self, text, src_lang, tgt_lang, engine): """翻译线程""" try: if engine == "百度翻译": result = self.baidu_translate(text, src_lang, tgt_lang) elif engine == "谷歌翻译": result = self.google_translate(text, src_lang, tgt_lang) elif engine == "有道翻译": result = self.youdao_translate(text, src_lang, tgt_lang) else: result = self.mock_translate(text, engine) # 在主线程中更新结果 self.root.after(0, self._update_result, result, text, src_lang, tgt_lang, engine) except Exception as e: error_msg = f"翻译失败: {str(e)}" self.root.after(0, self._show_error, error_msg) def _update_result(self, result, text, src_lang, tgt_lang, engine): """更新翻译结果""" self.output_text.config(state=tk.NORMAL) self.output_text.delete("1.0", tk.END) self.output_text.insert("1.0", result) self.output_text.config(state=tk.DISABLED) # 保存到历史记录 self.save_to_history(text, result, src_lang, tgt_lang, engine) # 恢复按钮 self.translate_btn.config(state=tk.NORMAL, text="🚀 开始翻译") self.status_var.set("翻译完成") def _show_error(self, error_msg): """显示错误""" self.output_text.config(state=tk.NORMAL) self.output_text.delete("1.0", tk.END) self.output_text.insert("1.0", error_msg) self.output_text.config(state=tk.DISABLED) self.translate_btn.config(state=tk.NORMAL, text="🚀 开始翻译") self.status_var.set("翻译失败") def baidu_translate(self, text, src_lang, tgt_lang): """百度翻译""" # 这里需要替换为你的百度翻译API信息 appid = "你的APPID" key = "你的密钥" if appid == "你的APPID" or key == "你的密钥": return self.mock_translate(text, "百度翻译") salt = str(random.randint(32768, 65536)) sign_str = appid + text + salt + key sign = hashlib.md5(sign_str.encode()).hexdigest() url = "https://fanyi-api.baidu.com/api/trans/vip/translate" params = { 'q': text, 'from': src_lang, 'to': tgt_lang, 'appid': appid, 'salt': salt, 'sign': sign } response = requests.get(url, params=params, timeout=10) data = response.json() if 'trans_result' in data: return '\n'.join([item['dst'] for item in data['trans_result']]) else: error_msg = data.get('error_msg', '翻译失败') raise Exception(f"百度翻译错误: {error_msg}") def google_translate(self, text, src_lang, tgt_lang): """谷歌翻译""" try: url = "https://translate.googleapis.com/translate_a/single" params = { 'client': 'gtx', 'sl': src_lang, 'tl': tgt_lang, 'dt': 't', 'q': text } response = requests.get(url, params=params, timeout=10) data = response.json() if data and len(data) > 0 and data[0]: return ''.join([item[0] for item in data[0]]) else: return self.mock_translate(text, "谷歌翻译") except: return self.mock_translate(text, "谷歌翻译") def youdao_translate(self, text, src_lang, tgt_lang): """有道翻译""" return self.mock_translate(text, "有道翻译") def mock_translate(self, text, engine): """模拟翻译（用于演示）""" translations = { "hello": "你好", "world": "世界", "thank you": "谢谢", "good morning": "早上好", "how are you": "你好吗", "i love programming": "我喜欢编程", "artificial intelligence": "人工智能", "machine learning": "机器学习" } text_lower = text.lower() for eng, chi in translations.items(): if eng in text_lower: return f"【{engine}模拟翻译】\n{chi}" return f"【{engine}模拟翻译】\n{text} -> 翻译结果示例" def save_to_history(self, src_text, tgt_text, src_lang, tgt_lang, engine): """保存到历史记录""" timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S") record = { "time": timestamp, "source": src_text, "target": tgt_text, "src_lang": src_lang, "tgt_lang": tgt_lang, "engine": engine } self.history.append(record) # 保持最近50条记录 if len(self.history) > 50: self.history = self.history[-50:] # 保存到文件 self.save_history() def save_history(self): """保存历史记录""" try: with open("translation_history.json", "w", encoding="utf-8") as f: json.dump(self.history, f, ensure_ascii=False, indent=2) except: pass def load_history(self): """加载历史记录""" try: if os.path.exists("translation_history.json"): with open("translation_history.json", "r", encoding="utf-8") as f: self.history = json.load(f) except: self.history = [] def main(): """主函数""" root = tk.Tk() app = TranslatorApp(root) root.mainloop() if __name__ == "__main__": main()