1.要用servlet首先要在application中引入servlet.jar 2.然后要在.java文件中 import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServlet; import javax.servlet.ServletException; import java.io.IOException; import java.io.PrintWriter; //这句import可视具体情况引入 3.介绍一下servlet中的几个常用的方法 a) protected void service(HttpSerlvetRequest req,HttpServletResponse res) throws ServletException,IOException{}
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