如何使用 ChatGPT 和 .NET 自动化 PDF 内容总结

using Aspose.Pdf.Plugins;

string inputPath = @"C:\Docs\sample.pdf";
var extractor = new TextExtractor();
var options = new TextExtractorOptions();
options.AddInput(new FileDataSource(inputPath));
var resultContainer = extractor.Process(options);
string textContent = resultContainer.ResultCollection[0].ToString();

using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using Newtonsoft.Json;

string apiKey = "YOUR_OPENAI_API_KEY";
string prompt = $"Summarize the following PDF content in 5 bullet points:\n{textContent}";

var httpClient = new HttpClient();
httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", apiKey);
var requestBody = new
{
    model = "gpt-3.5-turbo",
    messages = new[]
    {
        new { role = "system", content = "You are a helpful assistant that summarizes PDF content." },
        new { role = "user", content = prompt }
    }
};
string jsonBody = JsonConvert.SerializeObject(requestBody);
var response = await httpClient.PostAsync(
    "https://api.openai.com/v1/chat/completions",
    new StringContent(jsonBody, Encoding.UTF8, "application/json")
);
string responseString = await response.Content.ReadAsStringAsync();
// Parse summary from responseString