document-conversion-mcp
Version:
MCP server for document format conversion
261 lines (213 loc) • 7.93 kB
JavaScript
/**
* Document Conversion MCP 使用示例
* 这个文件展示了如何使用各种转换功能
*/
import { DocumentConverter } from '../src/converter.js';
import { validateFile, getSupportedFormats } from '../src/utils.js';
import path from 'path';
import { fileURLToPath } from 'url';
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
class ExampleUsage {
constructor() {
this.converter = new DocumentConverter();
this.inputDir = path.join(__dirname, 'input');
this.outputDir = path.join(__dirname, 'output');
}
async runExamples() {
console.log('🚀 Document Conversion MCP 使用示例');
console.log('=' .repeat(50));
// 显示支持的格式
await this.showSupportedFormats();
// 示例1: 创建示例文档
await this.createSampleDocuments();
// 示例2: 文本转换
await this.textConversionExamples();
// 示例3: 获取文档信息
await this.documentInfoExamples();
// 示例4: 批量转换
await this.batchConversionExample();
console.log('\n✅ 所有示例执行完成！');
console.log('📁 查看输出文件: ' + this.outputDir);
}
async showSupportedFormats() {
console.log('\n📋 支持的文档格式:');
const formats = getSupportedFormats();
console.log('\n输入格式:');
formats.inputFormats.forEach(format => {
console.log(` ${format.format}: ${format.description} (${format.extensions.join(', ')})`);
});
console.log('\n输出格式:');
formats.outputFormats.forEach(format => {
console.log(` ${format.format}: ${format.description}`);
});
}
async createSampleDocuments() {
console.log('\n📝 创建示例文档...');
// 创建示例文本文件
const sampleText = `# 示例文档
这是一个示例文档，用于演示文档转换功能。
## 功能特性
- 支持多种文档格式
- 高质量转换
- 批量处理
- 易于使用
## 技术栈
1. Node.js
2. MCP协议
3. 各种文档处理库
**注意**: 这只是一个演示文档。
---
*Document Conversion MCP* - 让文档转换变得简单！`;
const sampleTextPath = path.join(this.inputDir, 'sample.txt');
const fs = await import('fs/promises');
await fs.mkdir(this.inputDir, { recursive: true });
await fs.writeFile(sampleTextPath, sampleText, 'utf8');
console.log(' ✓ 创建示例文本文件: sample.txt');
// 创建示例Markdown文件
const sampleMdPath = path.join(this.inputDir, 'sample.md');
await fs.writeFile(sampleMdPath, sampleText, 'utf8');
console.log(' ✓ 创建示例Markdown文件: sample.md');
// 创建示例JSON文件
const sampleJson = {
title: '文档转换示例数据',
documents: [
{ name: 'report.pdf', type: 'pdf', size: '2.5MB' },
{ name: 'presentation.pptx', type: 'powerpoint', size: '5.1MB' },
{ name: 'data.xlsx', type: 'excel', size: '1.2MB' }
],
conversion_stats: {
total_conversions: 1250,
success_rate: 98.5,
average_time: '2.3s'
}
};
const sampleJsonPath = path.join(this.inputDir, 'sample.json');
await fs.writeFile(sampleJsonPath, JSON.stringify(sampleJson, null, 2), 'utf8');
console.log(' ✓ 创建示例JSON文件: sample.json');
}
async textConversionExamples() {
console.log('\n🔄 文档转换示例...');
await import('fs/promises').then(fs => fs.mkdir(this.outputDir, { recursive: true }));
const examples = [
{
name: '文本转HTML',
input: path.join(this.inputDir, 'sample.txt'),
output: path.join(this.outputDir, 'sample_from_txt.html'),
format: 'html'
},
{
name: '文本转Markdown',
input: path.join(this.inputDir, 'sample.txt'),
output: path.join(this.outputDir, 'sample_from_txt.md'),
format: 'md'
},
{
name: 'Markdown转HTML',
input: path.join(this.inputDir, 'sample.md'),
output: path.join(this.outputDir, 'sample_from_md.html'),
format: 'html'
},
{
name: 'JSON转HTML',
input: path.join(this.inputDir, 'sample.json'),
output: path.join(this.outputDir, 'sample_data.html'),
format: 'html'
}
];
for (const example of examples) {
try {
console.log(` 🔄 ${example.name}...`);
// 验证输入文件
const validation = await validateFile(example.input);
if (!validation.valid) {
console.log(` ❌ ${example.name}: ${validation.error}`);
continue;
}
// 执行转换（第一次，可能无缓存）
const result1 = await this.converter.convert(
example.input,
example.output,
example.format
);
console.log(` ✅ ${example.name} (第一次): ${result1.message}`);
// 执行相同转换（应命中缓存）
const tempOutput = example.output.replace('.html', '_temp.html');
const result2 = await this.converter.convert(
example.input,
tempOutput,
example.format
);
console.log(` ✅ ${example.name} (第二次，缓存): ${result2.message}`);
} catch (error) {
console.log(` ❌ ${example.name}: ${error.message}`);
}
}
}
async documentInfoExamples() {
console.log('\n📊 文档信息示例...');
const files = [
path.join(this.inputDir, 'sample.txt'),
path.join(this.inputDir, 'sample.md'),
path.join(this.inputDir, 'sample.json')
];
for (const file of files) {
try {
console.log(`\n 📄 ${path.basename(file)}:`);
const info = await this.converter.getDocumentInfo(file);
console.log(` 大小: ${this.formatFileSize(info.size)}`);
console.log(` 类型: ${info.mimeType}`);
console.log(` 修改时间: ${info.modified.toLocaleString()}`);
if (info.textLength) {
console.log(` 文本长度: ${info.textLength} 字符`);
}
if (info.pages) {
console.log(` 页数: ${info.pages}`);
}
if (info.sheets) {
console.log(` 工作表: ${info.sheets.join(', ')}`);
}
} catch (error) {
console.log(` ❌ 获取 ${path.basename(file)} 信息失败: ${error.message}`);
}
}
}
async batchConversionExample() {
console.log('\n📦 批量转换示例...');
try {
const results = await this.converter.batchConvert(
this.inputDir,
path.join(this.outputDir, 'batch'),
'html'
);
console.log(` ✅ 批量转换完成:`);
console.log(` 成功: ${results.success} 个文件`);
console.log(` 失败: ${results.failed} 个文件`);
if (results.details.length > 0) {
console.log(' 详细结果:');
results.details.forEach(detail => {
console.log(` ${detail}`);
});
}
} catch (error) {
console.log(` ❌ 批量转换失败: ${error.message}`);
}
}
formatFileSize(bytes) {
const units = ['B', 'KB', 'MB', 'GB'];
let size = bytes;
let unitIndex = 0;
while (size >= 1024 && unitIndex < units.length - 1) {
size /= 1024;
unitIndex++;
}
return `${size.toFixed(2)} ${units[unitIndex]}`;
}
}
// 运行示例
if (import.meta.url === `file://${process.argv[1]}`) {
const examples = new ExampleUsage();
examples.runExamples().catch(console.error);
}
export { ExampleUsage };