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RequestTest.java
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RequestTest.java
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package com.hsp.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class RequestTest extends HttpServlet {
private static final long serialVersionUID = 1L;
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
response.setCharacterEncoding("utf-8");
PrintWriter out = response.getWriter();
String referer=request.getHeader("Referer");
out.println("referer="+referer);
if(referer==null||!referer.startsWith("http://localhost:8080/servletProject")){
response.sendRedirect("/servletProject/Error");
return;
}
String host=request.getHeader("Host");
out.println("host="+host);
out.println("这是非常重要的信息");
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
this.doGet(request, response);
}
}