zoukankan html css js c++ java

js实现点击按钮传值

page1源码：

  <!DOCTYPE html>
  <html>
  <head>
  <meta charset="UTF-8">
  <script>
  function newDoc() {
  window.location.assign("hellow.html")
  }
  function quzhi() {
  var text1 = document.getElementById("name").value; //取得文本框的值
  var text2 = document.getElementById("password").value;
  alert(text1);//网页提示框
  alert(text2);
  var myurl = "Test_01" + "?" + "pname=" + text1 + "&password=" + text2;
  window.location.assign(encodeURI(myurl))
  }
  function quzhi2() {
  var text1 = document.getElementById("name").value; //
  var text2 = document.getElementById("password").value;
  var myurl = "hellow.jsp" + "?" + "pname=" + text1 + "&password="+ text2;
  window.location.assign(encodeURI(myurl))
  }
  </script>
  </head>
  <body>
  <input type="text" id="name" value="joy">
  <input type="text" id="password" value="123456">
  <br />
  <br />
  <input type="button" value="加载新页面" onclick="newDoc()">
  <br />
  <br />
  <input type="button" value="取值" onclick="quzhi()">
  <br />
  <br />
  <input type="button" value="传值" onclick="quzhi2()">
  </body>
  </html>

page2源码：

  <!DOCTYPE html>
  <html>
  <head>
  <meta charset="UTF-8">
  <title>Insert title here</title>
  </head>
  <body topmargin="100" leftmargin="300">
  hellow  world!
  </body>
  </html>

page3源码:

  <%@ page language="java" contentType="text/html; charset=UTF-8"pageEncoding="UTF-8"%>
  <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
  <html>
  <head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>Insert title here</title>
  </head>
  <body topmargin="100" leftmargin="300">
  <% 	
  String strName=request.getParameter("pname");
  String strPassword=request.getParameter("password");
  %>

  欢迎您！<%=strName %><br/>
  您的密码是：<%=strPassword %>
  </body>
  </html>

servlet源码:

  package test;

  import java.io.IOException;
  import javax.servlet.ServletException;
  import javax.servlet.annotation.WebServlet;
  import javax.servlet.http.HttpServlet;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;

  /**
  * Servlet implementation class Test_01
  */
  @WebServlet("/Test_01")
  public class Test_01 extends HttpServlet {
  private static final long serialVersionUID = 1L;
 
   /**
    * @see HttpServlet#HttpServlet()
    */
   public Test_01() {
  super();
  // TODO Auto-generated constructor stub
  }
  	/**
   * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
   */
  protected void doGet(HttpServletRequest request, HttpServletResponse 	response) throws ServletException, IOException {
  // TODO Auto-generated method stub
  response.getWriter().append("Served at: ").append(request.getContextPath());


  String strName=request.getParameter("pname");
  String strPassword=request.getParameter("password");
  
  System.out.println(strName);
  System.out.println(strPassword);


  }

  	/**
  	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
  	 */
  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
  // TODO Auto-generated method stub
  doGet(request, response);
  }

  }

运行后图片

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原文地址：https://www.cnblogs.com/renxiuxing/p/8904211.html