用户信息综合案例 页面显示代码实现 January 29，2020
添加联系人页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!-- HTML5文档-->
<!DOCTYPE html>
<!-- 网页使用的语言 -->
<html lang="zh-CN">
<head>
<!-- 指定字符集 -->
<meta charset="utf-8">
<!-- 使用Edge最新的浏览器的渲染方式 -->
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<!-- viewport视口：网页可以根据设置的宽度自动进行适配，在浏览器的内部虚拟一个容器，容器的宽度与设备的宽度相同。
width: 默认宽度与设备的宽度相同
initial-scale: 初始的缩放比，为1:1 -->
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>添加用户</title>
<!-- 1. 导入CSS的全局样式 -->
<link href="css/bootstrap.min.css" rel="stylesheet">
<!-- 2. jQuery导入，建议使用1.9以上的版本 -->
<script src="js/jquery-3.2.1.min.js"></script>
<!-- 3. 导入bootstrap的js文件 -->
<script src="js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<center><h3>添加联系人页面</h3></center>
<form action="${pageContext.request.contextPath}/addUserServlet" method="post">
<div class="form-group">
<label for="name">姓名：</label>
<input type="text" class="form-control" id="name" name="name" placeholder="请输入姓名">
</div>
<div class="form-group">
<label>性别：</label>
<input type="radio" name="gender" value="男" checked="checked"/>男
<input type="radio" name="gender" value="女"/>女
</div>
<div class="form-group">
<label for="age">年龄：</label>
<input type="text" class="form-control" id="age" name="age" placeholder="请输入年龄">
</div>
<div class="form-group">
<label for="address">籍贯：</label>
<select name="address" class="form-control" id="address">
<option value="陕西">陕西</option>
<option value="北京">北京</option>
<option value="上海">上海</option>
</select>
</div>
<div class="form-group">
<label for="qq">QQ：</label>
<input type="text" class="form-control" id="qq"name="qq" placeholder="请输入QQ号码"/>
</div>
<div class="form-group">
<label for="email">Email：</label>
<input type="text" class="form-control"id="email" name="email" placeholder="请输入邮箱地址"/>
</div>
<div class="form-group" style="text-align: center">
<input class="btn btn-primary" type="submit" value="提交" />
<input class="btn btn-default" type="reset" value="重置" />
<input class="btn btn-default" type="button" value="返回" />
</div>
</form>
</div>
</body>
</html>
操作页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <!-- 网页使用的语言 --> <html lang="zh-CN"> <head> <!-- 指定字符集 --> <meta charset="utf-8"> <!-- 使用Edge最新的浏览器的渲染方式 --> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <!-- viewport视口：网页可以根据设置的宽度自动进行适配，在浏览器的内部虚拟一个容器，容器的宽度与设备的宽度相同。 width: 默认宽度与设备的宽度相同 initial-scale: 初始的缩放比，为1:1 --> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ --> <title>用户信息管理系统</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入，建议使用1.9以上的版本 --> <script src="js/jquery-3.2.1.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> <style type="text/css"> td, th { text-align: center; } </style> <script> function deleteuser(id) { //用户安全提示 if(confirm("您确定要删除吗？")){ //访问路径 location.href="${pageContext.request.contextPath}/delUserServlet?id="+id; } } window.onload = function() { //给删除选中按钮添加单击事件 document.getElementById("delSelected").onclick = function () { if (confirm("您确定要删除选中条目吗？")) { var flag = false; //判断是否有选中条目 var cbs = document.getElementsByName("uid"); for (var i = 0; i < cbs.length; i++) { if (cbs[i].checked) { //有一个条目选中了 flag = true; break; } } if (flag) {//有条目被选中 //表单提交 document.getElementById("form").submit(); } } } //1.获取第一个cb document.getElementById("firstCb").onclick = function () { //2.获取下边列表中所有的cb var cbs = document.getElementsByName("uid"); //3.遍历 for (var i = 0; i < cbs.length; i++) { //4.设置这些cbs[i]的checked状态 = firstCb.checked cbs[i].checked = this.checked; } } } </script> </head> <body> <div class="container"> <h3 style="text-align: center">用户信息列表</h3> <div style="float: left;"> <form class="form-inline" action="${pageContext.request.contextPath}/findUserByPageServlet" method="post"> <div class="form-group"> <label for="exampleInputName2">姓名</label> <input type="text" name="name" value="${condition.name[0]}" class="form-control" id="exampleInputName2" > </div> <div class="form-group"> <label for="exampleInputName3">籍贯</label> <input type="text" name="address" value="${condition.address[0]}" class="form-control" id="exampleInputName3" > </div> <div class="form-group"> <label for="exampleInputEmail2">邮箱</label> <input type="text" name="email" value="${condition.email[0]}" class="form-control" id="exampleInputEmail2" > </div> <button type="submit" class="btn btn-default">查询</button> </form> </div> <div style="float: right;margin: 5px;"> <a class="btn btn-primary" href="${pageContext.request.contextPath}/add.jsp">添加联系人</a> <a class="btn btn-primary" href="javascript:void(0);" id="delSelected">删除选中</a> </div> <form id="form" action="${pageContext.request.contextPath}/delSelectedServlet" method="post"> <table border="1" class="table table-bordered table-hover"> <tr class="success"> <th><input type="checkbox" id="firstCb"></th> <th>编号</th> <th>姓名</th> <th>性别</th> <th>年龄</th> <th>籍贯</th> <th>QQ</th> <th>邮箱</th> <th>操作</th> </tr> <c:forEach items="${pb.list}" var="user" varStatus="s"> <tr> <td><input type="checkbox" name="uid" value="${user.id}"></td> <td>${s.count}</td> <td>${user.name}</td> <td>${user.gender}</td> <td>${user.age}</td> <td>${user.address}</td> <td>${user.qq}</td> <td>${user.email}</td> <td><a class="btn btn-default btn-sm" href="${pageContext.request.contextPath}/findUserServlet?id=${user.id}">修改</a> <a class="btn btn-default btn-sm" href="javascript:deleteUser(${user.id});">删除</a></td> </tr> </c:forEach> </table> </form> <div> <nav aria-label="Page navigation"> <ul class="pagination"> <c:if test="${pb.currentPage == 1}"> <li class="disabled"> </c:if> <c:if test="${pb.currentPage != 1}"> <li> </c:if> <a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${pb.currentPage - 1}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}" aria-label="Previous"> <span aria-hidden="true">«</span> </a> </li> <c:forEach begin="1" end="${pb.totalPage}" var="i" > <c:if test="${pb.currentPage == i}"> <li class="active"><a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${i}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}">${i}</a></li> </c:if> <c:if test="${pb.currentPage != i}"> <li><a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${i}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}">${i}</a></li> </c:if> </c:forEach> <c:if test="${pb.currentPage != pb.totalPage}"> <li > <a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${pb.currentPage + 1}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}" aria-label="Next"> <span aria-hidden="true">»</span> </a> </li> </c:if> <c:if test="${pb.currentPage == pb.totalPage}"> <li class="disabled"> <a href="${pageContext.request.contextPath}/findUserByPageServlet?currentPage=${pb.currentPage}&rows=5&name=${condition.name[0]}&address=${condition.address[0]}&email=${condition.email[0]}" aria-label="Next"> <span aria-hidden="true">»</span> </a> </li> </c:if> <span style="font-size: 25px;margin-left: 5px;"> 共${pb.totalCount}条记录，共${pb.totalPage}页 </span> </ul> </nav> </div> </div> </body> </html>
登录页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>管理员登录</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入，建议使用1.9以上的版本 --> <script src="js/jquery-3.2.1.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> <script type="text/javascript"> //切换验证码 function refreshCode() { var elementById = document.getElementById("vcode"); elementById.src="${pageContext.request.contextPath}/checkCodeServlet?time="+new Date().getTime(); } </script> </head> <body> <div class="container" style="width: 400px;"> <h3 style="text-align: center;">管理员登录</h3> <form action="${pageContext.request.contextPath}/loginServlet" method="post"> <div class="form-group"> <label for="user">用户名：</label> <input type="text" name="username" class="form-control" id="user" placeholder="请输入用户名"/> </div> <div class="form-group"> <label for="password">密码：</label> <input type="password" name="password" class="form-control" id="password" placeholder="请输入密码"/> </div> <div class="form-inline"> <label for="vcode">验证码：</label> <input type="text" name="verifycode" class="form-control" id="verifycode" placeholder="请输入验证码" style="width: 120px;"/> <a href="javascript:refreshCode()"> <img src="${pageContext.request.contextPath}/checkCodeServlet" title="看不清点击刷新" id="vcode"/> </a> </div> <hr/> <!--登录按钮--> <div class="form-group" style="text-align: center;"> <input class="btn btn btn-primary" type="submit" value="登录"> </div> </form> <!-- 出错显示的信息框 --> <div class="alert alert-warning alert-dismissible" role="alert"> <button type="button" class="close" data-dismiss="alert" > <span>×</span></button> <strong>${requestScope.login_msg}</strong> </div> </div> </body> </html>
修改页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE html> <!-- 网页使用的语言 --> <html lang="zh-CN"> <head> <!-- 指定字符集 --> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1"> <title>修改用户</title> <link href="css/bootstrap.min.css" rel="stylesheet"> <script src="js/jquery-3.2.1.min.js"></script> <script src="js/bootstrap.min.js"></script> </head> <body> <div class="container" style="width: 400px;"> <h3 style="text-align: center;">修改联系人</h3> <form action="${pageContext.request.contextPath}/updateUserServlet" method="post"> <!-- 隐藏域 提交id--> <input type="hidden" name="id" value="${user.id}"> <div class="form-group"> <label for="name">姓名：</label> <input type="text" class="form-control" id="name" name="name" value="${user.name}" readonly="readonly" placeholder="请输入姓名" /> </div> <div class="form-group"> <label>性别：</label> <c:if test="${user.gender == '男'}"> <input type="radio" name="gender" value="男" checked />男 <input type="radio" name="gender" value="女" />女 </c:if> <c:if test="${user.gender == '女'}"> <input type="radio" name="gender" value="男" />男 <input type="radio" name="gender" value="女" checked />女 </c:if> </div> <div class="form-group"> <label for="age">年龄：</label> <input type="text" class="form-control" value="${user.age}" id="age" name="age" placeholder="请输入年龄" /> </div> <div class="form-group"> <label for="address">籍贯：</label> <select name="address" id="address" class="form-control" > <c:if test="${user.address == '陕西'}"> <option value="陕西" selected>陕西</option> <option value="北京">北京</option> <option value="上海">上海</option> </c:if> <c:if test="${user.address == '北京'}"> <option value="陕西" >陕西</option> <option value="北京" selected>北京</option> <option value="上海">上海</option> </c:if> <c:if test="${user.address == '上海'}"> <option value="陕西" >陕西</option> <option value="北京">北京</option> <option value="上海" selected>上海</option> </c:if> </select> </div> <div class="form-group"> <label for="qq">QQ：</label> <input type="text" id="qq" class="form-control" value="${user.qq}" name="qq" placeholder="请输入QQ号码"/> </div> <div class="form-group"> <label for="email">Email：</label> <input type="text" id="email" class="form-control" value="${user.email}" name="email" placeholder="请输入邮箱地址"/> </div> <div class="form-group" style="text-align: center"> <input class="btn btn-primary" type="submit" value="提交" /> <input class="btn btn-default" type="reset" value="重置" /> <input class="btn btn-default" type="button" value="返回"/> </div> </form> </div> </body> </html>
index页面
<%-- Created by IntelliJ IDEA. User: yanghang Date: 2020/1/23 Time: 11:24 To change this template use File | Settings | File Templates. --%> <%@ page contentType="text/html;charset=UTF-8" language="java" %> <!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="utf-8"/> <meta http-equiv="X-UA-Compatible" content="IE=edge"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>首页</title> <!-- 1. 导入CSS的全局样式 --> <link href="css/bootstrap.min.css" rel="stylesheet"> <!-- 2. jQuery导入，建议使用1.9以上的版本 --> <script src="js/jquery-3.2.1.min.js"></script> <!-- 3. 导入bootstrap的js文件 --> <script src="js/bootstrap.min.js"></script> <script type="text/javascript"> </script> </head> <body> <div align="center"> ${user.name},欢迎您! </div> <div align="center"> <a href="${pageContext.request.contextPath}/findUserByPageServlet" style="text-decoration:none;font-size:33px">查询所有用户信息 </a> </div> </body>
