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from flask import Flask, request, jsonify
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import hashlib
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import requests
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import random
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app = Flask(__name__)
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# 设置appid/appkey.
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# appid = 'appid'
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# appkey = 'appkey'
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from_lang = 'auto'
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# to_lang = 'zh'
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endpoint = 'http://api.fanyi.baidu.com'
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path = '/api/trans/vip/translate'
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url = endpoint + path
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def make_md5(s, encoding='utf-8'):
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    return hashlib.md5(s.encode(encoding)).hexdigest()
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@app.route('/query', methods=['GET'])
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def translate_query():
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    try:
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        # 获取查询参数
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        query = request.args.get('query', '')
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        appid = request.args.get('appid', '')
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        appkey = request.args.get('appkey', '')
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        to_lang = request.args.get('to_lang', '')
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        # 随机生成salt
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        salt = random.randint(32768, 65536)
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        # 计算md5
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        sign = make_md5(appid + query + str(salt) + appkey)
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        # 构建请求参数
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        headers = {'Content-Type': 'application/x-www-form-urlencoded'}
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        payload = {'appid': appid, 'q': query, 'from': from_lang, 'to': to_lang, 'salt': salt, 'sign': sign}
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        # 发送请求到翻译API
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        response = requests.post(url, params=payload, headers=headers)
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        result = response.json()
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        # 提取翻译结果
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        translations = result.get("trans_result", [])
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        output = []
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        for item in translations:
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            dst = item.get("dst", "")
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            src = item.get("src", "")
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            # 不再需要手动处理Unicode转义字符
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            separate = "——————————————————————————————"
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            output.append(f"{separate} <br> 译文: <br> {dst} <br><br> 原文: <br> {src} <br><br>")
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        return "\n\n".join(output)
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    except Exception as e:
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        return jsonify({'error': str(e)}), 500
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if __name__ == '__main__':
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    app.run(debug=True, port=8081)