Web_Print/index.html at main · jvmkit/Web_Print · GitHub

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<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>打印客户端</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
        }
        .container {
            border: 1px solid #ccc;
            padding: 20px;
            border-radius: 5px;
        }
        button {
            padding: 8px;
            margin: 5px 0;
            width: 100%;
            background-color: #4CAF50;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        button:hover {
            background-color: #45a049;
        }
        .error {
            color: red;
            margin: 10px 0;
        }
    </style>
</head>
<body>
    <div class="container">
        <h2>打印客户端</h2>
        <button id="uploadBtn">选择文件</button>
        <input type="file" id="fileInput" style="display: none" accept=".pdf,.jpg,.jpeg,.png,.bmp">
        <div id="errorMessage" class="error"></div>
    </div>

    <script>
        const API_BASE_URL = 'http://127.0.0.1:5000/api';

        // 文件上传处理
        document.getElementById('uploadBtn').addEventListener('click', () => {
            document.getElementById('fileInput').click();
        });

        document.getElementById('fileInput').addEventListener('change', async (event) => {
            const file = event.target.files[0];
            if (file) {
                await uploadFile(file);
            }
        });

        // 上传文件到服务器
        async function uploadFile(file) {
            try {
                const formData = new FormData();
                formData.append('file', file);

                const response = await fetch(`${API_BASE_URL}/print`, {
                    method: 'POST',
                    body: formData
                });
                const result = await response.json();

                if (result.error) {
                    showError(result.error);
                } else {
                    alert('文件已上传，请在弹出的预览窗口中完成打印设置');
                    // 清空文件选择
                    document.getElementById('fileInput').value = '';
                }
            } catch (error) {
                showError('上传失败，请检查打印服务是否正常运行');
            }
        }

        function showError(message) {
            const errorElement = document.getElementById('errorMessage');
            errorElement.textContent = message;
            setTimeout(() => {
                errorElement.textContent = '';
            }, 5000);
        }
    </script>
</body>
</html>