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  • 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。
         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"/><input type="radio" name="gender" value="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。
         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=${user.id}">修改</a>&nbsp;
                            <a class="btn btn-default btn-sm" href="javascript:deleteUser(${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">&laquo;</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">&raquo;</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">&raquo;</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="${pageContext.request.contextPath}/checkCodeServlet?time="+new Date().getTime();
            }
        </script>
    </head>
    <body>
    <div class="container" style=" 400px;">
        <h3 style="text-align: center;">管理员登录</h3>
        <form action="${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=" 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>&times;</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=" 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 /><input type="radio" name="gender" value="女"  /></c:if>
    
                    <c:if test="${user.gender == '女'}">
                        <input type="radio" name="gender" value="男"  /><input type="radio" name="gender" value="女" checked  /></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>
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  • 原文地址:https://www.cnblogs.com/yyanghang/p/12240477.html
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