JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Layui Ajax
基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可
开发工具：eclipse/idea/myeclipse/sts等均可配置运行
适用
课程设计，大作业，毕业设计，项目练习，学习演示等
},
{
field: 'noticeText',
title: '内容',
},
{
field: 'noticeType',
title: '类型',
},
{
field: 'createDate',
title: '创建时间',
},
{
align: 'center',
fixed: 'right',
title: '操作',
width: 130,
templet: vo => {
let flag = ${loginUser.userType == '管理员'};
<ul class="layui-nav layui-layout-right">
<li class="layui-nav-item"><a>${loginUser.username}</a></li>
<li class="layui-nav-item"><a href="AuthServlet?action=logout">退出登录</a></li>
</ul>
</c:if>
</div>
<div class="layui-side layui-bg-black">
<div class="layui-side-scroll">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边栏 -->
<jsp:include page="menu.jsp">
<jsp:param value="active" name="User_active"/>
</jsp:include>
</ul>
</div>
</div>
<div class="layui-body">
<div class="search_style" style="padding-top: 10px;padding-left: 15px;">
<div class="searchTable">
搜索：
<div class="layui-inline">
<input class="layui-input" name="search_keyword" id="search_keyword" autocomplete="off" placeholder="姓名">
<input type="hidden" class="layui-input" name="searchColumn" id="searchColumn" autocomplete="off" value="real_name">
// 获得验证码集合的长度
int charsLength = codeChars.length();
// 下面三条记录是关闭客户端浏览器的缓冲区
// 这三条语句都可以关闭浏览器的缓冲区，但是由于浏览器的版本不同，对这三条语句的支持也不同
// 因此，为了保险起见，建议同时使用这三条语句来关闭浏览器的缓冲区
response.setHeader("ragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
// 设置图形验证码的长和宽（图形的大小）
int width = 90, height = 20;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();// 获得用于输出文字的Graphics对象
Random random = new Random();
g.setColor(getRandomColor(180, 250));// 随机设置要填充的颜色
g.fillRect(0, 0, width, height);// 填充图形背景
// 设置初始字体
g.setFont(new Font("Times New Roman", Font.ITALIC, height));
g.setColor(getRandomColor(120, 180));// 随机设置字体颜色
// 用于保存最后随机生成的验证码
StringBuilder validationCode = new StringBuilder();
// 验证码的随机字体
<!-- 内容主体区域 -->
<table class="layui-hide" id="myData" lay-filter="myTable"></table>
</div>
</div>
<script src="js/layui/layui.js"/>
<script>
//JavaScript代码区域
layui.use('element', function () {
let element = layui.element;
});
</script>
<script type="text/html" id="myToolbar">
<div class="layui-btn-container">
<c:if test="${loginUser.userType == '管理员'}"><button class='layui-btn layui-btn-sm' lay-event='add'>添加</button></c:if>
</div>
</script>
<script>
function arrayBufferToBase64(buffer) {
let binary = '';
let bytes = new Uint8Array(buffer);
let len = bytes.byteLength;
for (let i = 0; i < len; i++) {
binary += String.fromCharCode(bytes[i]);
}
return window.btoa(binary);
}
return vo;
}
//@Override
public Map<String, Object> list(Map<String, Object> params) {
List<User> list = new ArrayList();
int totalCount = 0;
String condition = "";
String sqlList;
if (params.get("searchColumn") != null && !"".equals(params.get("searchColumn"))) {
condition += " and `" + params.get("searchColumn") + "` like '%" + params.get("keyword") + "%'";
}
try {
Connection c = Util.getConnection();
PreparedStatement ps;
ResultSet rs;
String limit = (params.get("startIndex") != null && params.get("pageSize") != null) ? " limit " + params.get("startIndex") + "," + params.get("pageSize") : "";
sqlList = "select * from `t_user` where 1=1 " + condition + " order by id asc " + limit + ";";
ps = c.prepareStatement(sqlList);
PreparedStatement ps;
ResultSet rs;
String limit = (params.get("startIndex") != null && params.get("pageSize") != null) ? " limit " + params.get("startIndex") + "," + params.get("pageSize") : "";
sqlList = "select * from `t_student` where 1=1 " + condition + " order by id asc " + limit + ";";
ps = c.prepareStatement(sqlList);
rs = ps.executeQuery();
while (rs.next()) {
Student vo = new Student();
vo.setId(rs.getLong("id"));
vo.setStudentName(rs.getString("student_name"));
vo.setStudentAge(rs.getString("student_age"));
vo.setStudentSex(rs.getString("student_sex"));
vo.setStudentNumber(rs.getString("student_number"));
vo.setStudentClass(rs.getString("student_class"));
vo.setStudentPhone(rs.getString("student_phone"));
vo.setStudentText(rs.getString("student_text"));
table.reload('myTable', {
url: url,
page: {
curr: 1 //重新从第 1 页开始
}
});
}
};
$('.searchTable .layui-btn').on('click', function () {
let type = $(this).data('type');
active[type] ? active[type].call(this) : '';
});
});
</script>
</body>
</html>
<%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>教务管理系统</title>
<link rel="stylesheet" href="js/layui/css/layui.css">
<script src="js/jquery.js"></script>
<script src="js/layer.js"></script>
</head>
*
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);//Get请求和Post请求的处理是一样的，所以把request、response转交给Post方法就好
}
/**
* 根据参数，查询出条例条件的记录集合，最后将数据返回给调用处或者将数据集合设置到session域里，再跳转到对应的列表页面
*
* @param request
* @param response
*/
private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
//查询列和关键字
String searchColumn = Util.decode(request, "searchColumn");
String keyword = Util.decode(request, "keyword");
Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
params.put("searchColumn", searchColumn);//要查询的列
params.put("keyword", keyword);//查询的关键字
CourseService courseService = new CourseServiceImpl();
</div>
<script src="js/layui/layui.js"/>
<script>
//JavaScript代码区域
layui.use('element', function () {
let element = layui.element;
});
</script>
<script type="text/html" id="myToolbar">
<div class="layui-btn-container">
<c:if test="${loginUser.userType == '管理员'}"><button class='layui-btn layui-btn-sm' lay-event='add'>添加</button></c:if>
</div>
</script>
<script>
function arrayBufferToBase64(buffer) {
// 因此，为了保险起见，建议同时使用这三条语句来关闭浏览器的缓冲区
response.setHeader("ragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", 0);
// 设置图形验证码的长和宽（图形的大小）
int width = 90, height = 20;
BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();// 获得用于输出文字的Graphics对象
Random random = new Random();
g.setColor(getRandomColor(180, 250));// 随机设置要填充的颜色
g.fillRect(0, 0, width, height);// 填充图形背景
// 设置初始字体
g.setFont(new Font("Times New Roman", Font.ITALIC, height));
g.setColor(getRandomColor(120, 180));// 随机设置字体颜色
// 用于保存最后随机生成的验证码
response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(teacherService.list(params).get("list")));
}
}
package com.demo.servlet;
import com.demo.util.Util;
import com.demo.service.UserService;
import com.demo.service.impl.UserServiceImpl;
import com.demo.vo.User;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.Serializable;
* @throws ServletException
* @throws IOException
*/
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);//Get请求和Post请求的处理是一样的，所以把request、response转交给Post方法就好
}
/**
* 根据参数，查询出条例条件的记录集合，最后将数据返回给调用处或者将数据集合设置到session域里，再跳转到对应的列表页面
*
* @param request
* @param response
*/
private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
//查询列和关键字
String searchColumn = Util.decode(request, "searchColumn");
String keyword = Util.decode(request, "keyword");
Map<String, Object> params = new HashMap();//用来保存控制层传进来的参数(查询条件)
params.put("searchColumn", searchColumn);//要查询的列
params.put("keyword", keyword);//查询的关键字
CourseService courseService = new CourseServiceImpl();
response.getWriter().println(com.alibaba.fastjson.JSONObject.toJSONString(courseService.list(params).get("list")));
}
/**
* 处理Get请求
*
* @param request
* @param response
* @throws ServletException
* @throws IOException
*/
@Override
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doPost(request, response);//Get请求和Post请求的处理是一样的，所以把request、response转交给Post方法就好
}
/**
* 根据参数，查询出条例条件的记录集合，最后将数据返回给调用处或者将数据集合设置到session域里，再跳转到对应的列表页面
*
* @param request
* @param response
*/
private void redirectList(HttpServletRequest request, HttpServletResponse response) throws IOException {
//查询列和关键字
groups: 1, //只显示 1 个连续页码
first: false, //不显示首页
last: false, //不显示尾页
},
toolbar: '#myToolbar', //开启头部工具栏，并为其绑定左侧模板
defaultToolbar: ['filter', 'exports', 'print', { //自定义头部工具栏右侧图标。如无需自定义，去除该参数即可
title: '提示',
layEvent: 'LAYTABLE_TIPS',
icon: 'layui-icon-tips'
}],
title: '课程列表',
cols: [
[
{
field: 'courseName',
title: '课程名',
templet: vo => (vo = vo.courseName) ? '<a href="#" style="color: #009688;">' + vo + '</a>' : '',
event: 'info',
},
{
field: 'courseTime',
<div class="layui-body">
<div class="search_style" style="padding-top: 10px;padding-left: 15px;">
<div class="searchTable">
搜索：
<div class="layui-inline">
<input class="layui-input" name="search_keyword" id="search_keyword" autocomplete="off" placeholder="课程名">
<input type="hidden" class="layui-input" name="searchColumn" id="searchColumn" autocomplete="off" value="course_name">
</div>
<button class="layui-btn" data-type="reload">搜索</button>
</div>
</div>
<!-- 内容主体区域 -->
<table class="layui-hide" id="myData" lay-filter="myTable"></table>
</div>
</div>
<script src="js/layui/layui.js"/>
<script>
//JavaScript代码区域
layui.use('element', function () {
//@Override
public void add(Teacher vo) {
String sql = "insert into `t_teacher` (`teacher_name`,`teacher_sex`,`teacher_degree`,`teacher_potition`,`teacher_college`,`teacher_phone`) values(?,?,?,?,?,?)";
try {
Connection c = Util.getConnection();
PreparedStatement ps = c.prepareStatement(sql);
ps.setString(1, vo.getTeacherName());
ps.setString(2, vo.getTeacherSex());
ps.setString(3, vo.getTeacherDegree());
ps.setString(4, vo.getTeacherPotition());
ps.setString(5, vo.getTeacherCollege());
ps.setString(6, vo.getTeacherPhone());
ps.execute();
ps.close();
c.close();
} catch (Exception e) {
e.printStackTrace();
}
}
//@Override
public void update(Teacher vo) {
String sql = "update `t_teacher` set `teacher_name` = ? ,`teacher_sex` = ? ,`teacher_degree` = ? ,`teacher_potition` = ? ,`teacher_college` = ? ,`teacher_phone` = ? where `id` = ?";
let result = this.page.curr ? res.slice(this.limit * (this.page.curr - 1), this.limit * this.page.curr) : res.slice(0, this.limit);
return {
"code": 0, //解析接口状态
"msg": '', //解析提示文本
"count": res.length, //解析数据长度（集合个数）
"data": result //解析数据列表
};
},
page: { //支持传入 laypage 组件的所有参数（某些参数除外，如：jump/elem） - 详见文档
layout: ['limit', 'count', 'prev', 'page', 'next', 'skip'], //自定义分页布局
groups: 1, //只显示 1 个连续页码
first: false, //不显示首页
last: false, //不显示尾页
},
toolbar: '#myToolbar', //开启头部工具栏，并为其绑定左侧模板
defaultToolbar: ['filter', 'exports', 'print', { //自定义头部工具栏右侧图标。如无需自定义，去除该参数即可
title: '提示',
layEvent: 'LAYTABLE_TIPS',
icon: 'layui-icon-tips'
}],
title: '公告列表',
cols: [
[
{
field: 'noticeName',
"code": 0, //解析接口状态
"msg": '', //解析提示文本
"count": res.length, //解析数据长度（集合个数）
"data": result //解析数据列表
};
},
page: { //支持传入 laypage 组件的所有参数（某些参数除外，如：jump/elem） - 详见文档
layout: ['limit', 'count', 'prev', 'page', 'next', 'skip'], //自定义分页布局
groups: 1, //只显示 1 个连续页码
first: false, //不显示首页
last: false, //不显示尾页
},
toolbar: '#myToolbar', //开启头部工具栏，并为其绑定左侧模板
defaultToolbar: ['filter', 'exports', 'print', { //自定义头部工具栏右侧图标。如无需自定义，去除该参数即可
title: '提示',
layEvent: 'LAYTABLE_TIPS',
icon: 'layui-icon-tips'
title: '性别',
templet: vo => vo.studentSex ? vo.studentSex : "",
},
{
field: 'studentNumber',
title: '学号',
},
{
field: 'studentClass',
title: '班级',
},
{
field: 'studentPhone',
title: '联系电话',
},
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
<title>教务管理系统</title>
<link rel="stylesheet" href="js/layui/css/layui.css">
<script src="js/jquery.js"></script>
<script src="js/layer.js"></script>
</head>
<body class="layui-layout-body">
<div class="layui-layout layui-layout-admin">
<div class="layui-header">
<div class="layui-logo" style="font-weight: bold;font-size: 19px">教务管理系统</div>
<ul class="layui-nav layui-layout-left"></ul>
<c:if test="${loginUser==null}">
<ul class="layui-nav layui-layout-right">
<li class="layui-nav-item"><a href="login.jsp">请登录</a></li>
</ul>
</c:if>
<c:if test="${loginUser!=null}">
<ul class="layui-nav layui-layout-right">
<li class="layui-nav-item"><a>${loginUser.username}</a></li>
package com.demo.dao.impl;
import com.demo.util.Util;
import com.demo.dao.StudentDAO;
import com.demo.vo.Student;
import java.io.Serializable;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* 学生模块的DAO层（数据层）的具体实现类，对StudentDAO接口中定义的增删改查等抽象方法作出具体的功能实现
*/
public class StudentDAOImpl implements StudentDAO {
//@Override
public void add(Student vo) {
String sql = "insert into `t_student` (`student_name`,`student_age`,`student_sex`,`student_number`,`student_class`,`student_phone`,`student_text`) values(?,?,?,?,?,?,?)";
try {
<ul class="layui-nav layui-layout-right">
<li class="layui-nav-item"><a href="login.jsp">请登录</a></li>
</ul>
</c:if>
<c:if test="${loginUser!=null}">
<ul class="layui-nav layui-layout-right">
<li class="layui-nav-item"><a>${loginUser.username}</a></li>
<li class="layui-nav-item"><a href="AuthServlet?action=logout">退出登录</a></li>
</ul>
</c:if>
</div>
<div class="layui-side layui-bg-black">
<div class="layui-side-scroll">
<ul class="layui-nav layui-nav-tree" lay-filter="test">
<!-- 侧边栏 -->
运行环境
Java≥6、Tomcat≥7.0、MySQL≥5.5
开发工具
eclipse/idea/myeclipse/sts等均可配置运行
技术框架
JavaWeb JavaBean JSP MVC MySQL Tomcat JavaScript Layui Ajax
基础JSP+Servlet或JSP+SSM(Spring、SpringMVC、MyBatis)框架或JSP+SSM+Maven(pom.xml)框架或SpringBoot…均可
适用
课程设计，大作业，毕业设计，项目练习，学习演示等
功能说明
登录、注册、退出、用户模块、公告模块、课程模块、学生模块、教师模块的增删改查管理
