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在servlet的控制台不显示servlet声明周期中的控制台输出信息

老师,System.out.print();中的内容不显示在控制台里,以下的黑体在控制台输不出来

package 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 teeaservlet1 extends HttpServlet {


/**

* Constructor of the object.

*/

public teeaservlet1() {

System.out.println("teeaservlet1构造方法被执行 ...");

}


/**

* Destruction of the servlet. <br>

*/

public void destroy() {

System.out.println("teeaservlet1销毁方法被执行 ..."); // Just puts "destroy" string in log

// Put your code here

}


/**

* The doGet method of the servlet. <br>

*

* This method is called when a form has its tag value method equals to get.

* @param request the request send by the client to the server

* @param response the response send by the server to the client

* @throws ServletException if an error occurred

* @throws IOException if an error occurred

*/

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

System.out.println("get方法被执行..");


response.setContentType("text/html;charset=utf-8");

PrintWriter out = response.getWriter();

out

.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");

out.println("<HTML>");

out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");

out.println("  <BODY>");

out.print("<h1>你好,我是teeaservlet1!</h1>");

out.println(", using the GET method");

out.println("  </BODY>");

out.println("</HTML>");

out.flush();

out.close();

}


/**

* The doPost method of the servlet. <br>

*

* This method is called when a form has its tag value method equals to post.

* @param request the request send by the client to the server

* @param response the response send by the server to the client

* @throws ServletException if an error occurred

* @throws IOException if an error occurred

*/

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {


doGet(request,response);

}


/**

* Initialization of the servlet. <br>

*

* @throws ServletException if an error occurs

*/

public void init() throws ServletException {

System.out.println("teeaservlet1被初始化 ...");

// Put your code here

}


}


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在servlet的控制台不显示servlet声明周期中的控制台输出信息

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