如何传数据一
来源：互联网 发布：dom的编程艺术 编辑：程序博客网 时间：2024/05/17 08:12
一、当前页面传数据
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html data-embedded=""><head> <meta charset="utf-8"> <title>课程报名</title> <meta http-equiv="X-UA-Compatible" content="IE=Edge,chrome=1"> <meta name="description" content= '课程报名提交数据。<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &n...'> <meta property="og:title" content='课程报名' ><meta property="og:description" content='课程报名提交数据。<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &n...'><meta property="og:image" content='https://cdn.jinshuju.net/assets/weixin_thumbnail/wx-img-1-e99378d457b9d77ca8e12f4e33db820e30357ae184aa3e24306eda1f9b268cff.png' > <link rel="stylesheet" media="screen" href="jscss/1.css" debug="false" /> <script> (function () { var js; if (typeof JSON !== 'undefined' && 'querySelector' in document && 'addEventListener' in window) { js = 'jscss/jquery1.js'; } else { js = 'jscss/jquery2.js'; } document.write('<script src="' + js + '"><\/script>'); }()); </script> <style type="text/css"> </style> <script src="jscss/application1.js" debug="false"></script> <meta name="csrf-param" content="authenticity_token" /><meta name="csrf-token" content="e2aTwlp9/P7Nw74n9G6tLy560ap1WaoMdqbvQTIo6C1O9HjXR4shvCv5ZU0/f3r4ITF4bFcTwpaG9iG+FbXfTA==" /></head><body class="entry-container"> <div class="entry-container-inner"> <!-- <header class="clearfix"> <div class="center user-info"> <a class="avatar-link" href="https://jinshuju.net/"> <span class="user-name">欢迎</span> </a> <a class="logout-link" href="/logout.json">登录</a> </div> </header> --> <style type="text/css"> .entry-container { background-color: #000000;background-image: image/1920.jpg;background-position: top center;background-attachment: fixed;background-size: cover;background-repeat: no-repeat; } @media screen and (min-width: 769px) and (max-width: 1440px) { .entry-container { background-color: #000000;background-image: url(https://pub-files.jinshuju.net/bgi/20160221174317_2a10a7?imageView2/2/w/1440);background-position: top center;background-attachment: fixed;background-size: cover;background-repeat: no-repeat; } } @media screen and (min-width: 481px) and (max-width: 768px) { .entry-container { background-color: #000000;background-image: url(https://pub-files.jinshuju.net/bgi/20160221174317_2a10a7?imageView2/2/w/768);background-position: top center;background-attachment: fixed;background-size: cover;background-repeat: no-repeat; } } @media screen and (max-width: 480px) { .entry-container { background-color: #000000;background-image: url(https://pub-files.jinshuju.net/bgi/20160221174317_2a10a7?imageView2/2/w/480);background-position: top center;background-attachment: fixed;background-size: cover;background-repeat: no-repeat; } }</style><style type="text/css"> .entry-container > .entry-container-inner .center { max-width: 700px; } .entry-container > .entry-container-inner > form { background-color: rgb(250, 255, 255);max-width: 700px;border-width: 0;border-color: rgb(36, 121, 115); } .entry-container > .entry-container-inner > form > .banner { background-color: rgb(36, 121, 115);font-size: 1.333em;font-weight: normal;color: rgb(255, 255, 255);text-align: left; } .entry-container > .entry-container-inner > form > .form-header .form-title { font-size: 1.667em;font-weight: normal;color: rgb(0, 0, 0);text-align: center; } .entry-container > .entry-container-inner > form .fields .field { padding-top: 15px;padding-bottom: 15px; } .entry-container > .entry-container-inner > form .fields .field .field-label { font-size: 1.167em;font-weight: bold;color: rgb(0, 0, 0); } .entry-container > .entry-container-inner > form .fields .field .choices label, .entry-container > .entry-container-inner > form .fields .field .likert thead th, .entry-container > .entry-container-inner > form .fields .field .matrix thead th, .entry-container > .entry-container-inner > form .fields .field .goods-items .name { font-size: 1.000em;font-weight: normal;color: rgb(0, 0, 0); } .entry-container > .entry-container-inner > form .submit-field { text-align: left; } form .submit-field .gd-btn { background-color: rgb(68, 74, 74);padding: 0 55px;font-size: 1.167em;font-weight: normal;color: #FFF;border-width: 1px;border-color: transparent; }</style><form class="center with-shadow" id="new_entry" action="index4.jsp" accept-charset="UTF-8" method="post"><input type="hidden" name="utf8" value="✓" /> <div class="banner font-family-heiti"> <div class="banner-img"> <img data-img-url="https://pub-files.jinshuju.net/hi/20160221174333_4cda5c" data-img-prefix="hi" class="header-image need-adapt-retina" src="" /> <!-- <img src="image/shangfutu.jpg" /> --> </div> </div> <div class="form-header container-fluid"> <div class="row"> <h1 class="form-title col-md-12 font-family-heiti"> 课程报名 </h1> <div class="form-description col-md-12"><p> 帮助每一位孩子学会充分利用课堂时间，快乐学习，高效记忆！</p></div> </div> </div> <div class="form-content container-fluid"> <div class="row"> <div class="fields clearfix"> <div class="field field-section-break col-sm-12" data-api-code="field_6" data-type="SectionBreak" data-label="null" data-validations="[]"> <hr/><div class="form-group" > <div class="field-label-container" onclick=""> <label class="field-label font-family-heiti" for="entry_field_6"></label> </div> <div class="field-content"> </div></div></div> <div class="field field-name-field col-sm-12" data-api-code="field_9" data-type="NameField" data-label="孩子姓名" data-validations="[]"> <div class="form-group" > <div class="field-label-container" onclick=""> <label class="field-label font-family-heiti" for="entry_field_9"> 孩子姓名</label> </div> <div class="field-content"> <input class="input-with-icon" data-icon="gd-icon-name" type="text" name="entry[field_9]" id="entry_field_9" /> </div></div></div> <div class="field field-name-field col-sm-12" data-api-code="field_17" data-type="NameField" data-label="家长姓名" data-validations="[]"> <div class="form-group" > <div class="field-label-container" onclick=""> <label class="field-label font-family-heiti" for="entry_field_17"> 家长姓名</label> </div> <div class="field-content"> <input class="input-with-icon" data-icon="gd-icon-name" type="text" name="entry[field_17]" id="entry_field_17" /> </div></div></div> <div class="field field-name-field col-sm-12" data-api-code="field_18" data-type="NameField" data-label="年龄" data-validations="[]"> <div class="form-group" > <div class="field-label-container" onclick=""> <label class="field-label font-family-heiti" for="entry_field_18"> 年龄 </label> </div> <div class="field-content"> <input class="input-with-icon" data-icon="gd-icon-name" type="text" name="entry[field_18]" id="entry_field_18" /> </div> </div></div> <div class="field field-drop-down col-sm-12 required" data-api-code="field_7" data-type="DropDown" data-label="年级" data-validations="["Presence"]"> <div class="form-group" > <div class="field-label-container" onclick=""> <label class="field-label font-family-heiti" for="entry_field_7"> 年级</label> </div> <div class="field-content"> <select name="entry[field_7]" id="entry_field_7" class="needsclick" data-has-error="false"><option value="">请选择</option><option value="一年级">一年级</option><option value="二年级">二年级</option><option value="三年级">三年级</option><option value="四年级">四年级</option><option value="五年级">五年级</option><option value="六年级">六年级</option><option value="小升初">小升初</option></select> </div></div></div> <div class="field field-mobile-field col-sm-12 required" data-api-code="field_16" data-type="MobileField" data-label="家长手机" data-validations="["Presence","Format","VerificationTokenPresence"]"> <div class="form-group" > <div class="field-label-container" onclick=""> <label class="field-label font-family-heiti" for="entry_field_16"> 家长手机</label> </div> <div class="field-content"> <div data-role='verification_sender'> <input class="mobile-input input-with-icon" data-icon="gd-icon-mobile" type="tel" name="entry[field_16]" id="entry_field_16" /> <input value="true" type="hidden" name="entry[field_16_skip_verification]" id="entry_field_16_skip_verification" /> </div> </div> </div> </div> </div> <input type="submit" name="commit" value="提交" onclick="severCheck();" > </div> </div></form> <script type="text/javascript"> function severCheck() { //取出id为“one”表单中所有的属性的数据 //alert("ok"); var form = document.getElementById("one2"); /* var loginname = $("#userName").val(); alert (loginname); */ var yonghuming = document.getElementById("entry_field_9").value; alert (yonghuming); //one表单中第一个元素属性值 /* var content = form.elements(0).value; alert(content); //user的值 */ //也可以直接通过元素的属性Id来直接获取 var jzxm = document.getElementById("entry_field_17").value; alert(jzxm); } </script> </body></html>结论：主要是后面的那段JS代码。根据前面的ID去取值。
二、页面与页面如何取数据。
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html data-embedded=""><head> </head><body><%String method = request.getMethod();String ip = request.getRemoteAddr();String path = request.getServletPath();String contexPath = request.getContextPath();/* 测试ip 和访问路径，上下文 */%> <h3> 请求方式：<%=method %> </h3> <h4>ip 地址：<%=ip %></h4> <h3>访问地址 <%=path %></h3> <h3>上下文名称：<%=contexPath %></h3> </body></html>
结论：tomcat 里面内置了很多对象。
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html data-embedded=""><head> </head><body><%request.setCharacterEncoding("utf-8");String xsxm = request.getParameter("entry[field_9]");String jzxm = request.getParameter("entry[field_17]");String old = request.getParameter("entry[field_18]");String nianji = request.getParameter("entry[field_7]");String iphone = request.getParameter("entry[field_16]");/* 接收参数是name，而不是id 接收的提交按钮式 submit 才能收到和浏览器反应 */%> <h3> 学生姓名：<%=xsxm %> </h3> <h4>家长姓名：<%=jzxm %></h4> <h3>年龄 <%=old %></h3> <h3>年纪：<%=nianji %></h3> <h3>电话：<%=iphone %></h3> </body></html> 根据表单里面的Name里面去取值。
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