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JSP&&SERVLET学习笔记（四）：关于HttpServletRequest

2024-08-09 12:19:41   216人阅读

package cc.openhome;


import java.io.IOException;
import java.io.PrintWriter;
import java.util.Enumeration;


import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@WebServlet("/header.view")
public class HeaderServlet extends HttpServlet {


@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>HeaderServlet</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>HeaderServlet at " + request.getContextPath()+ " </h1>");
Enumeration<String> names = request.getHeaderNames();
while(names.hasMoreElements()){
String name = names.nextElement();
out.println(name + ": " + request.getHeader(name) + "<br>");

}
out.println("</body>");
out.println("</html>");
out.close();
}



}

JSP&&SERVLET学习笔记（四）：关于HttpServletRequest


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