消息推送系统

import java.io.*;

import javax.servlet.*;

import javax.servlet.http.*;

public class PdfServlet extends HttpServlet {

@Override

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

String pdfPath = "/path/to/your/pdf/file.pdf";

File pdfFile = new File(pdfPath);

if (pdfFile.exists()) {

FileInputStream fis = new FileInputStream(pdfFile);

byte[] buffer = new byte[fis.available()];

fis.read(buffer);

fis.close();

response.setContentType("application/pdf");

response.setContentLength(buffer.length);

OutputStream os = response.getOutputStream();

os.write(buffer);

os.flush();

os.close();

} else {

response.sendError(HttpServletResponse.SC_NOT_FOUND, "PDF file not found");

}

}

}

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cas单点登陆

PdfServlet

com.example.PdfServlet

PdfServlet

/pdf/*

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