• javaWeb之写一个最简单的servlet


    1. 创建一个类servletTest2 继承HttpServlet类。

    public class servletTest2 extends HttpServlet {
    
        public servletTest2(){
            super();
        }
    
        @Override
        protected void doGet(HttpServletRequest req, HttpServletResponse resp)
                throws ServletException, IOException {
    
            resp.setContentType("text/html");
            PrintWriter out = resp.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("    This is ");
            out.print(this.getClass());
            out.println(", using the GET method");
            out.println("  </BODY>");
            out.println("</HTML>");
            out.flush();
            out.close();
        }
        
    }

    web.xml中增加servlet的定义

      <servlet>
          <servlet-name>servletTest2</servlet-name>
          <servlet-class>servletTest2</servlet-class>
      </servlet>
      
      <servlet-mapping>
          <servlet-name>servletTest2</servlet-name>
          <url-pattern>/test</url-pattern>
      </servlet-mapping>

    例如项目名是test,运行tomcat,打开浏览器访问地址:http://127.0.0.1:8080/test/test

    显示如下:

  • 相关阅读:
    分子量 (Molar Mass,ACM/ICPC Seoul 2007,UVa 1586)
    [补档]各种奇怪的韩信问题
    [补档][HNOI 2008]GT考试
    [补档][Tyvj 1728]普通平衡树
    [补档][JLOI 2017]聪明的燕姿
    [补档][NOI 2008]假面舞会
    网络基础
    操作系统
    计算机硬件
    类和对象
  • 原文地址:https://www.cnblogs.com/powerwu/p/7096342.html
Copyright © 2020-2023  润新知