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The example submits the form using the Dopost method, which contains a total of two files.
One is the form userform2.jsp used to submit user information, and the other is the servlet used to receive the parameters.
userform2.jsp
1<%@ page language= "java" contenttype= "text/html;charset=gb2312"%>2 345 6<body>7<form action= "Dopostdemo" method= "POST" >8User name: <input type= "text" name= "username" ><br/>9Password: <input type= "password" name= "password" ><br/>Ten<input type= "Submit" value= "Submission" > One<input type= "reset" value= "reset" > A</form> -</body> -Servlet that receives parameters
1 PackageCOM.MHB;2 3 Importjava.io.IOException;4 ImportJava.io.PrintWriter;5 6 Importjavax.servlet.ServletException;7 ImportJavax.servlet.http.HttpServlet;8 Importjavax.servlet.http.HttpServletRequest;9 ImportJavax.servlet.http.HttpServletResponse;Ten One Public classDopostdemoextendsHttpServlet { A Public voidInit ()throwsservletexception { - } - Public voidDoPost (httpservletrequest request, httpservletresponse response) the throwsservletexception, IOException { -Response.setcontenttype ("text/html;charset=gb2312"); -PrintWriter out =Response.getwriter (); - + //set the encoding format for receive parameters -Request.setcharacterencoding ("gb2312"); + //get Username,password parameter AString username = request.getparameter ("username"); atString Password = request.getparameter ("Password"); - -Out.println ("<HTML>"); -Out.println ("<BODY>"); -Out.print ("User name:" +username+ "<br/>"); -Out.print ("Password:" +password+ "<br/>"); inOut.println ("</BODY>"); -Out.println ("</HTML>"); to } + Public voiddestroy () { - Super. Destroy (); the } *}Web. XML configuration
<servlet> <servlet-name>DoPostDemo</servlet-name> <servlet-class> com.mhb.dopostdemo</servlet-class> </servlet> <servlet-mapping> < servlet-name>dopostdemo</servlet-name> <url-pattern>/DoPostDemo</url-pattern> </servlet-mapping>Browser display:
Servlet Small Example: JSP page submission information servlet receives and prints output
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