cloudprinter.py

cloudprinter.py

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import os
import win32print
import subprocess
from flask import Flask, request, redirect, url_for, render_template_string
import pythoncom
from win32com import client

app = Flask(__name__)
UPLOAD_FOLDER = 'D:\\uploads\\'
ALLOWED_EXTENSIONS = {'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif', 'doc', 'docx'}

if not os.path.exists(UPLOAD_FOLDER):
    os.makedirs(UPLOAD_FOLDER)


def allowed_file(filename):
    return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS


def print_file(filepath):
    try:
        # 获取默认打印机
        printer_name = win32print.GetDefaultPrinter()
        print(f"正在打印的打印机: {printer_name}")

        # 打印文件
        file_extension = filepath.rsplit('.', 1)[1].lower()

        if file_extension in {'txt', 'pdf', 'doc', 'docx'}:
            # 直接使用默认应用程序打印文件
            os.startfile(filepath, "print")
        elif file_extension in {'png', 'jpg', 'jpeg', 'gif'}:
            # 使用 Windows 照片查看器打印图像文件
            subprocess.run(['rundll32', 'C:\\WINDOWS\\System32\\shimgvw.dll,ImageView_PrintTo', filepath, printer_name], check=True)
        else:
            raise ValueError("不支持的文件类型。")

        print("文件打印成功")
        return "文件打印成功"

    except Exception as e:
        print(f"发生错误: {str(e)}")
        return f"打印文件失败: {str(e)}"


@app.route('/', methods=['GET', 'POST'])
def upload_file():
    html = """
    <!DOCTYPE html>
    <html lang="zh">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>国投公司云打印服务</title>
        <style>
            body {
                font-family: Arial, sans-serif;
                background-color: #f8f9fa;
                margin: 0;
                padding: 0;
            }
            .container {
                max-width: 600px;
                margin: 50px auto;
                padding: 20px;
                background-color: #fff;
                box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                border-radius: 5px;
                text-align: center;
            }
            h2 {
                margin-bottom: 20px;
            }
            label {
                display: block;
                margin-bottom: 10px;
            }
            input[type="file"] {
                width: 100%;
                padding: 10px;
                margin-bottom: 20px;
            }
            button {
                padding: 10px 20px;
                background-color: #007bff;
                color: #fff;
                border: none;
                border-radius: 3px;
                cursor: pointer;
                width: 100%;
            }
            button:hover {
                background-color: #0056b3;
            }
            .message {
                margin-top: 20px;
                padding: 10px;
                border-radius: 5px;
            }
            .success {
                background-color: #d4edda;
                color: #155724;
            }
            .error {
                background-color: #f8d7da;
                color: #721c24;
            }
        </style>
    </head>
    <body>
        <div class="container">
            <h2>国投公司云打印服务</h2>
            {% if message %}
                <div class="message {{ message_class }}">{{ message }}</div>
            {% endif %}
            <form method="POST" enctype="multipart/form-data">
                <label for="file"></label>
                <input type="file" id="file" name="file">
                <button type="submit">直接打印</button>
            </form><br>
		<div style="text-align: left;">
			<a>注意事项：</a><br>
			<a>1、无需安装任何驱动上传文件直接打印。</a><br>

		</div>
    </body>
    </html>
    """

    message = None
    message_class = None

    if request.method == 'POST':
        if 'file' not in request.files:
            message = '没有文件部分'
            message_class = 'error'
        else:
            file = request.files['file']
            if file.filename == '':
                message = '未选择文件'
                message_class = 'error'
            elif file and allowed_file(file.filename):
                filename = file.filename
                filepath = os.path.join(UPLOAD_FOLDER, filename)
                file.save(filepath)
                try:
                    message = print_file(filepath)
                    message_class = 'success' if '成功' in message else 'error'
                except Exception as e:
                    message = f'打印文件失败: {str(e)}'
                    message_class = 'error'

        return render_template_string(html, message=message, message_class=message_class)

    return render_template_string(html)


if __name__ == '__main__':
    app.run(debug=True, host='0.0.0.0', port=5000)

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