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员工管理系统（SpringBoot+Mybatis+Thymeleaf）

项目代码：gitee github
项目地址：EmployeeManagement

SpringBoot整合CRUD实现员工管理案例，将Mybatis整合到原项目中，加入了数据库，添加了日期选项的控件。

环境要求

JDK8以上
IDEA
MySQL8
Maven3
需要熟练掌握MySQL数据库，SpringBoot及MyBatis知识，简单的前端知识；

数据库环境

创建案例所使用的数据库

CREATE DATABASE `employee`;

USE `employee`;

创建登陆用户数据表

DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `id` int(10) NOT NULL,
  `user_name` varchar(255)  NOT NULL COMMENT '用户名',
  `password` varchar(255)  NOT NULL COMMENT '密码',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8 ;

INSERT INTO `user` VALUES (1, 'admin', '123456');

创建部门信息的数据库表

DROP TABLE IF EXISTS `department`;
CREATE TABLE `department` (
  `id` int(10) NOT NULL,
  `department_name` varchar(255)  NOT NULL COMMENT '部门名称',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

BEGIN;
INSERT INTO `department` VALUES (1, '市场部');
INSERT INTO `department` VALUES (2, '技术部');
INSERT INTO `department` VALUES (3, '销售部');
INSERT INTO `department` VALUES (4, '客服部');
INSERT INTO `department` VALUES (5, '公关部');
COMMIT;

创建存放员工信息的数据库表

DROP TABLE IF EXISTS `employee`;
CREATE TABLE `employee` (
  `id` int(10) NOT NULL AUTO_INCREMENT,
  `employee_name` varchar(255)  NOT NULL COMMENT '员工姓名',
  `email` varchar(255)  NOT NULL COMMENT '员工邮箱',
  `gender` int(2) NOT NULL COMMENT '员工性别',
  `department_id` int(10) NOT NULL COMMENT '部门编号',
  `date` date NOT NULL COMMENT '入职日期',
  PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=13 DEFAULT CHARSET=utf8;

BEGIN;
INSERT INTO `employee` VALUES (1, '张三', 'zhangsan@gmail.com', 0, 1, '2020-05-12');
INSERT INTO `employee` VALUES (2, '李四', 'lisi@qq.com', 1, 2, '2020-05-05');
INSERT INTO `employee` VALUES (3, '王五', 'wangwu@126.com', 0, 3, '2020-05-15');
INSERT INTO `employee` VALUES (4, '赵六', 'zhaoliu@163.com', 1, 4, '2020-04-21');
INSERT INTO `employee` VALUES (5, '田七', 'tianqi@foxmail.com', 0, 3, '2020-05-14');
INSERT INTO `employee` VALUES (10, '王伟', 'wangwei@gmail.com', 1, 3, '2020-05-08');
INSERT INTO `employee` VALUES (11, '张伟', 'zhangwei@gmail.com', 1, 2, '2020-05-11');
INSERT INTO `employee` VALUES (12, '李伟', 'liwei@gmail.com', 1, 3, '2020-05-18');
COMMIT;

基本环境搭建

新建Spring项目，添加Lombok，Spring Web，Thymeleaf，Mybatis，MySQL Driver的支持
相关的pom依赖

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-thymeleaf</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
        <version>2.1.2</version>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
        <exclusions>
            <exclusion>
                <groupId>org.junit.vintage</groupId>
                <artifactId>junit-vintage-engine</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
</dependencies>

建立基本结构和配置框架

application.yml里配置数据库连接信息及Mapper映射文件信息

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/employee?useSSL=true&useUnicode=true&characterEncoding=utf8&serverTimezone=GMT%2B8
    username: employee
    password: employee123
  thymeleaf:
    cache: false
  messages:
    basename: i18n.login

mybatis:
  type-aliases-package: com.godfrey.pojo
  mapper-locations: classpath:com.godfrey.mapper/*Mapper.xml
  configuration:
    map-underscore-to-camel-case: true
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

测试数据库连接

package com.godfrey;

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

import javax.sql.DataSource;
import java.sql.Connection;
import java.sql.SQLException;

@SpringBootTest
class ApplicationTests {

    @Autowired
    DataSource dataSource;

    @Test
    void contextLoads() throws SQLException {
        System.out.println("数据源>>>>>>" + dataSource.getClass());
        Connection connection = dataSource.getConnection();
        System.out.println("连接>>>>>>>>>" + connection);
        System.out.println("连接地址>>>>>" + connection.getMetaData().getURL());
        connection.close();
    }

}

查看输出结果，数据库配置ok

创建pojo实体类

创建User实体

package com.godfrey.pojo;

import lombok.Data;

/**
 * description : 登录验证实体类
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Data
public class User {
    private Integer id;
    private String userName;
    private String password;
}

创建Department实体

package com.godfrey.pojo;

import lombok.Data;

/**
 * description : 部门实体类
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Data
public class Department {
    private Integer id;
    private String departmentName;
}

创建Employee实体

package com.godfrey.pojo;

import lombok.Data;

import java.sql.Date;

/**
 * description : 员工实体类
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Data
public class Employee {
    private Integer id;
    private String employeeName;
    private String email;
    private Integer gender; //0:女  1:男
    private Date date;
    private Integer departmentId;
}

创建EmployeeDTO实体

package com.godfrey.dto;

import lombok.Data;

import java.sql.Date;

/**
 * description : EmployeeDTO
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Data
public class EmployeeDTO {
    private Integer id;
    private String employeeName;
    private String email;
    private Integer gender;
    private String departmentName;
    private Date date;
}

Mapper层

文件存放目录：

com.godfrey.mapper 相关接口

resources/com.godfrey.mapper 相关mapper.xml

编写User的Mapper接口：UserMapper

package com.godfrey.mapper;

import com.godfrey.pojo.User;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;

/**
 * description : 登录验证查询Mapper
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Mapper
@Repository
public interface UserMapper {
    User selectPasswordByName(@Param("userName") String userName, @Param("password") String password);
}

编写接口对应的Mapper.xml文件：UserMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.godfrey.mapper.UserMapper">
    <select id="selectPasswordByName" resultType="User">
        select * from employee.user where user_name = #{userName} and password = #{password};
    </select>
</mapper>

编写Department的Mapper接口：DepaertmentMapper

package com.godfrey.mapper;

import com.godfrey.pojo.Department;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.stereotype.Repository;

import java.util.List;

/**
 * description : 部门Mapper
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Mapper
@Repository
public interface DepartmentMapper {

    List<Department> selectAllDepartment();
}

编写接口对应的Mapper.xml文件：DepaertmentMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.godfrey.mapper.DepartmentMapper">
    <select id="selectAllDepartment" resultType="Department">
        select * from department;
    </select>
</mapper>

编写Employee的Mapper接口：EmployeeMapper

package com.godfrey.mapper;

import com.godfrey.dto.EmployeeDTO;
import com.godfrey.pojo.Employee;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;

import java.util.List;

/**
 * description : 员工Mapper
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Mapper
@Repository
public interface EmployeeMapper {
    //查询全部员工信息
    List<EmployeeDTO> selectAllEmployeeDTO();

    //根据id查询员工信息
    Employee selectEmployeeById(@Param("id") Integer id);

    //添加一个员工信息
    int addEmployee(Employee employee);

    //修改一个员工信息
    int updateEmployee(Employee employee);

    //根据id删除员工信息
    int deleteEmployee(@Param("id") Integer id);
}

编写接口对应的Mapper.xml文件：EmployeeMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.godfrey.mapper.EmployeeMapper">

    <resultMap id="EmployeeDTO" type="com.godfrey.dto.EmployeeDTO">
        <id column="id" jdbcType="INTEGER" property="id"/>
        <result column="employee_name" jdbcType="VARCHAR" property="employeeName"/>
        <result column="email" jdbcType="VARCHAR" property="email"/>
        <result column="gender" jdbcType="INTEGER" property="gender"/>
        <result column="department_name" jdbcType="VARCHAR" property="departmentName"/>
        <result column="date" jdbcType="DATE" property="date"/>
    </resultMap>

    <select id="selectAllEmployeeDTO" resultMap="EmployeeDTO">
        select e.id, e.employee_name, e.email, e.gender, d.department_name, e.date
        from employee e,
             department d
        where e.department_id = d.id;
    </select>

    <select id="selectEmployeeById" resultType="Employee">
        select *
        from employee
        where id = #{id}
    </select>

    <insert id="addEmployee" parameterType="Employee">
        insert into employee (id, employee_name, email, gender, department_id, date)
        values (#{id}, #{employeeName}, #{email}, #{gender}, #{departmentId}, #{date})
    </insert>

    <update id="updateEmployee" parameterType="Employee">
        update employee
        set employee_name=#{employeeName},
            email=#{email},
            gender=#{gender},
            department_id=#{departmentId},
            date=#{date}
        where id = #{id}
    </update>

    <delete id="deleteEmployee" parameterType="int">
        delete
        from employee
        where id = #{id}
    </delete>
</mapper>

Service层

com.wangqiang.service

EmployeeService接口：

package com.godfrey.service;

import com.godfrey.dto.EmployeeDTO;
import com.godfrey.pojo.Employee;

import java.util.List;

/**
 * description : 员工业务层接口
 *
 * @author godfrey
 * @since 2020-05-26
 */
public interface EmployeeService {
    //查询全部员工信息
    List<EmployeeDTO> selectAllEmployeeDTO();
    //根据id查询员工信息
    Employee selectEmployeeById(int id);
    //添加一个员工信息
    int addEmployee(Employee employee);
    //修改一个员工信息
    int updateEmployee(Employee employee);
    //根据id删除员工信息
    int deleteEmployee(int id);
}

EmployeeServiceImpl实现类：

package com.godfrey.service.impl;

import com.godfrey.dto.EmployeeDTO;
import com.godfrey.mapper.EmployeeMapper;
import com.godfrey.pojo.Employee;
import com.godfrey.service.EmployeeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * description : 员工业务层实现类
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Service
public class EmployeeServiceImpl implements EmployeeService {
    @Autowired
    private EmployeeMapper employeeMapper;

    @Override
    public List<EmployeeDTO> selectAllEmployeeDTO() {
        return employeeMapper.selectAllEmployeeDTO();
    }

    @Override
    public Employee selectEmployeeById(int id) {
        return employeeMapper.selectEmployeeById(id);
    }

    @Override
    public int addEmployee(Employee employee) {
        return employeeMapper.addEmployee(employee);
    }

    @Override
    public int updateEmployee(Employee employee) {
        return employeeMapper.updateEmployee(employee);
    }

    @Override
    public int deleteEmployee(int id) {
        return employeeMapper.deleteEmployee(id);
    }
}

DepartmentService接口

package com.godfrey.service;

import com.godfrey.pojo.Department;

import java.util.List;

/**
 * description : DepartmentService
 *
 * @author godfrey
 * @since 2020-05-27
 */
public interface DepartmentService {
    List<Department> selectAllDepartment();
}

DepartmentImpl实现类：

package com.godfrey.service.impl;

/**
 * description : DepartmentServiceImpl
 *
 * @author godfrey
 * @since 2020-05-27
 */

import com.godfrey.mapper.DepartmentMapper;
import com.godfrey.pojo.Department;
import com.godfrey.service.DepartmentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class DepartmentServiceImpl implements DepartmentService {

    @Autowired
    private DepartmentMapper departmentMapper;

    @Override
    public List<Department> selectAllDepartment() {
        return departmentMapper.selectAllDepartment();
    }

}

UserService接口

package com.godfrey.service;

import com.godfrey.pojo.User;

/**
 * description : User业务层
 *
 * @author godfrey
 * @since 2020-05-26
 */
public interface UserService {
    User selectPasswordByName(String userName, String password);
}

UserServiceImpl实现类

package com.godfrey.service.impl;

import com.godfrey.mapper.UserMapper;
import com.godfrey.pojo.User;
import com.godfrey.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

/**
 * description : UserServiceImpl
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    private UserMapper userMapper;

    @Override
    public User selectPasswordByName(String userName, String password) {
        return userMapper.selectPasswordByName(userName, password);
    }
}

测试获取数据情况

@Autowired
EmployeeService employeeService;

@Test
public void test(){
    List<EmployeeDTO> employees = employeeService.selectAllEmployeeDTO();
    for (EmployeeDTO employee : employees) {
        System.out.println(employee);
    }
}
@Test
public void test2(){
    Employee employee = employeeService.selectEmployeeById(1);
    System.out.println(employee);
    //Employee(id=1, employeeName=张三, email=zhangsan@gmail.com, gender=0, departmentId=1, date=2020-02-12)
}

@Test
public void test3(){
    Employee employee = new Employee();
    employee.setId(6);
    employee.setEmployeeName("test");
    employee.setEmail("123@qq.com");
    employee.setDepartmentId(2);
    Date date = new Date(2020-02-02);
    employee.setDate(date);
    employeeService.addEmployee(employee);
    Employee employee1 = employeeService.selectEmployeeById(6);
    System.out.println(employee1);
    //Employee(id=6, employeeName=test, email=123@qq.com, gender=0, departmentId=2, date=1970-01-01)
}

@Test
public void test4(){
    Employee employee = new Employee();
    employee.setId(6);
    employee.setEmployeeName("test");
    employee.setEmail("123@qq.com");
    employee.setDepartmentId(3);
    Date date = new Date(2020-02-02);
    employee.setDate(date);
    employeeService.updateEmployee(employee);
    Employee employee1 = employeeService.selectEmployeeById(6);
    System.out.println(employee1);
    //Employee(id=6, employeeName=test, email=123@qq.com, gender=0, departmentId=3, date=1970-01-01)
}

@Test
public void test05(){
    employeeService.deleteEmployee(6);
}

@Autowired
private UserService userService;
@Test
public void test06(){
    User admin = userService.selectPasswordByName("admin","123456");
    System.out.println(admin);
    //User(id=1, name=admin, password=123456)
}

@Autowired
private DepartmentService departmentService;
@Test
public void test07(){
    List<Department> departments = departmentService.selectAllDepartment();
    for (Department department : departments) {
        System.out.println(department);
    }
}

Controller层

登陆页LoginController

package com.godfrey.controller;

import com.godfrey.pojo.User;
import com.godfrey.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;

import javax.servlet.http.HttpSession;

/**
 * description : 登录Controller
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Controller
public class LoginController {

    @Autowired
    private UserService userService;

    @RequestMapping("/login")
    public String login(@RequestParam("username")String username,
                        @RequestParam("password")String password,
                        HttpSession session,
                        Model model){
        User user = userService.selectPasswordByName(username, password);
        if ( user != null){
            //登录成功！
            session.setAttribute("username",user.getUserName());
            //登录成功！防止表单重复提交，我们重定向
            return "redirect:/main.html";
        }else {
            //登录失败！存放错误信息
            model.addAttribute("msg","用户名或密码错误");
            return "index";
        }
    }


    @GetMapping("/user/loginOut")
    public String loginOut(HttpSession session){
        session.invalidate();
        return "redirect:/index.html";
    }
}

员工信息Controller

package com.godfrey.controller;

import com.godfrey.dto.EmployeeDTO;
import com.godfrey.pojo.Department;
import com.godfrey.pojo.Employee;
import com.godfrey.service.DepartmentService;
import com.godfrey.service.EmployeeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;

import java.util.Collection;

/**
 * description : EmployeeController
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Controller
public class EmployeeController {

    @Autowired
    private EmployeeService employeeService;

    @Autowired
    private DepartmentService departmentService;

    //查询所有员工，返回列表页面
    @GetMapping("/emp")
    public String list(Model model){
        Collection<EmployeeDTO> employees = employeeService.selectAllEmployeeDTO();
//        将结果放在请求中
        model.addAttribute("emps",employees);
        return "emp/list.html";
    }

    //to员工添加页面
    @GetMapping("/add")
    public String toAdd(Model model){
        //查出所有的部门，提供选择
        Collection<Department> departments = departmentService.selectAllDepartment();
        model.addAttribute("departments",departments);
        return "emp/add.html";
    }

    //员工添加功能，使用post接收
    @PostMapping("/add")
    public String add(Employee employee){
        //保存员工信息
        employeeService.addEmployee(employee);
        //回到员工列表页面，可以使用redirect或者forward
        return "redirect:/emp";
    }

    //to员工修改页面
    @GetMapping("/emp/{id}")
    public String toUpdateEmp(@PathVariable("id") Integer id, Model model){
        //根据id查出来员工
        Employee employee = employeeService.selectEmployeeById(id);
        //将员工信息返回页面
        model.addAttribute("emp",employee);
        //查出所有的部门，提供修改选择
        Collection<Department> departments = departmentService.selectAllDepartment();
        model.addAttribute("departments",departments);

        return "emp/update.html";
    }

    @PostMapping("/updateEmp")
    public String updateEmp(Employee employee){
        employeeService.updateEmployee(employee);
        //回到员工列表页面
        return "redirect:/emp";
    }

    @GetMapping("/delEmp/{id}")
    public String deleteEmp(@PathVariable("id")Integer id){
        //根据id删除员工
        employeeService.deleteEmployee(id);
        return "redirect:/emp";
    }
}

完善Config文件

编写Interceptor拦截器配置

package com.godfrey.config;

import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * description : Interceptor登录拦截器
 *
 * @author godfrey
 * @since 2020-05-26
 */
public class MyHandlerInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        Object username = request.getSession().getAttribute("username");
        if (username == null) {//未登录，返回登录页面
            request.setAttribute("msg", "没有权限,请先登录");
            request.getRequestDispatcher("/index.html").forward(request, response);
            return false;
        } else {//登录，放行
            return true;
        }
    }
}

编写国际化配置文件

package com.godfrey.config;

import org.springframework.util.StringUtils;
import org.springframework.web.servlet.LocaleResolver;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Locale;

/**
 * description : 国际化语言解析器
 *
 * @author godfrey
 * @since 2020-05-26
 */
public class MyLocaleResolver implements LocaleResolver {
    //解析请求
    @Override
    public Locale resolveLocale(HttpServletRequest httpServletRequest) {
        //获取请求中的语言参数
        String language = httpServletRequest.getParameter("lang");
        Locale locale = Locale.getDefault();//如果没有就使用默认的
        if(!StringUtils.isEmpty(language)){
            String[] split = language.split("_");
            locale = new Locale(split[0],split[1]);
        }
        return locale;
    }

    @Override
    public void setLocale(HttpServletRequest httpServletRequest, HttpServletResponse httpServletResponse, Locale locale) {

    }
}

编写WebMvc文件，将上述配置到MvcConfiguration中

package com.godfrey.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.LocaleResolver;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ViewControllerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

/**
 * description : 扩展MVC配置
 *
 * @author godfrey
 * @since 2020-05-26
 */
@Configuration
public class MyWebMvcConfig implements WebMvcConfigurer {
    @Override
    public void addViewControllers(ViewControllerRegistry registry) {
        registry.addViewController("/").setViewName("index");
        registry.addViewController("/index.html").setViewName("index");
        registry.addViewController("/main.html").setViewName("main");
    }

    //自定义国际化组件
    @Bean
    public LocaleResolver localeResolver(){
        return new MyLocaleResolver();
    }

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new MyHandlerInterceptor())
                .addPathPatterns("/**")
                .excludePathPatterns("/","/index.html","/login","/css/**","/js/**","/img/**");
    }
}

前端视图

登陆页index.html

<!DOCTYPE html>
<html lang="en"  xmlns:th="http://www.thymeleaf.org">
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<meta name="description" content="">
	<meta name="author" content="">
	<title>Signin Template for Bootstrap</title>
	<!-- Bootstrap core CSS -->
	<link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">
	<!-- Custom styles for this template -->
	<link th:href="@{/css/signin.css}" rel="stylesheet">
</head>

<body class="text-center">
<form class="form-signin" th:action="@{/login}">
	<img class="mb-4" th:src="@{/img/bootstrap-solid.svg}" alt="" width="72" height="72">
	<h1 class="h3 mb-3 font-weight-normal" th:text="#{login.tip}">Please sign in</h1>
	<input type="text" name="username" class="form-control" th:placeholder="#{login.username}" required="" autofocus="">
	<input type="password" name="password" class="form-control" th:placeholder="#{login.password}" required="">
	<!--判断是否显示，使用if, ${}可以使用工具类，可以看thymeleaf的中文文档-->
	<p style="color: red" th:text="${msg}" th:if="${not #strings.isEmpty(msg)}"></p>
	<div class="checkbox mb-3">
		<label>
			<input type="checkbox" value="remember-me" > [[#{login.remember}]]
		</label>
	</div>
	<button class="btn btn-lg btn-primary btn-block" type="submit">[[#{login.btn}]]</button>
	<p class="mt-5 mb-3 text-muted">© 2017-2018</p>
	<a class="btn btn-sm" th:href="@{/index.html(lang=zh_CN)}">中文</a>
	<a class="btn btn-sm" th:href="@{/index.html(lang=en_US)}">English</a>
</form>
</body>
</html>

系统管理页 main.html

<!DOCTYPE html>
<!-- saved from url=(0052)http://getbootstrap.com/docs/4.0/examples/dashboard/ -->
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<meta name="description" content="">
	<meta name="author" content="">

	<title>Dashboard Template for Bootstrap</title>
	<!-- Bootstrap core CSS -->
	<link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">

	<!-- Custom styles for this template -->
	<link th:href="@{/css/dashboard.css}" rel="stylesheet">
	<style type="text/css">
		/* Chart.js */

		@-webkit-keyframes chartjs-render-animation {
			from {
				opacity: 0.99
			}
			to {
				opacity: 1
			}
		}

		@keyframes chartjs-render-animation {
			from {
				opacity: 0.99
			}
			to {
				opacity: 1
			}
		}

		.chartjs-render-monitor {
			-webkit-animation: chartjs-render-animation 0.001s;
			animation: chartjs-render-animation 0.001s;
		}
	</style>
</head>

<body>
<div th:replace="~{common/commons::topbar}"></div>


<div class="container-fluid">
	<div class="row">
		<!--引入抽取的topbar-->
		<!--模板名 ： 会使用thymeleaf的前后缀配置规则进行解析
        使用~{模板::标签名}-->
		<div th:replace="~{common/commons::sidebar(active='main.html')}"></div>

		<main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4">
			<div class="chartjs-size-monitor" style="position: absolute; left: 0px; top: 0px; right: 0px; bottom: 0px; overflow: hidden; pointer-events: none; visibility: hidden; z-index: -1;">
				<div class="chartjs-size-monitor-expand" style="position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1;">
					<div style="position:absolute;1000000px;height:1000000px;left:0;top:0"></div>
				</div>
				<div class="chartjs-size-monitor-shrink" style="position:absolute;left:0;top:0;right:0;bottom:0;overflow:hidden;pointer-events:none;visibility:hidden;z-index:-1;">
					<div style="position:absolute;200%;height:200%;left:0; top:0"></div>
				</div>
			</div>
			<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pb-2 mb-3 border-bottom">
				<h1 class="h2">Dashboard</h1>
				<div class="btn-toolbar mb-2 mb-md-0">
					<div class="btn-group mr-2">
						<button class="btn btn-sm btn-outline-secondary">Share</button>
						<button class="btn btn-sm btn-outline-secondary">Export</button>
					</div>
					<button class="btn btn-sm btn-outline-secondary dropdown-toggle">
						<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-calendar"><rect x="3" y="4" width="18" height="18" rx="2" ry="2"></rect><line x1="16" y1="2" x2="16" y2="6"></line><line x1="8" y1="2" x2="8" y2="6"></line><line x1="3" y1="10" x2="21" y2="10"></line></svg>
						This week
					</button>
				</div>
			</div>
			<canvas class="my-4 chartjs-render-monitor" id="myChart" width="1076" height="454" style="display: block;  1076px; height: 454px;"></canvas>
		</main>
	</div>
</div>

<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script type="text/javascript" th:src="@{/js/jquery-3.2.1.slim.min.js}" ></script>
<script type="text/javascript" th:src="@{/js/popper.min.js}" ></script>
<script type="text/javascript" th:src="@{/js/bootstrap.min.js}" ></script>
</body>
</html>

公共页 /common/commons.html

<!DOCTYPE html >
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<nav class="navbar navbar-dark sticky-top bg-dark flex-md-nowrap p-0" th:fragment="topbar">
    <!--后台主页显示登录用户的信息-->
    <a class="navbar-brand col-sm-3 col-md-2 mr-0" href="http://getbootstrap.com/docs/4.0/examples/dashboard/#">[[${session.username}]]</a>
    <input class="form-control form-control-dark w-100" type="text" placeholder="Search" aria-label="Search">
    <ul class="navbar-nav px-3">
        <li class="nav-item text-nowrap">
            <a class="nav-link" href="#" th:href="@{/user/loginOut}">Sign out</a>
        </li>
    </ul>
</nav>

<nav class="col-md-2 d-none d-md-block bg-light sidebar" th:fragment="sidebar">
    <div class="sidebar-sticky">
        <ul class="nav flex-column">
            <li class="nav-item">
                <a th:class="${active} == 'main.html'?'nav-link active':'nav-link'" th:href="@{/main.html}">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-home">
                        <path d="M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z"></path>
                        <polyline points="9 22 9 12 15 12 15 22"></polyline>
                    </svg>
                    首页 <span class="sr-only">(current)</span>
                </a>

            <li class="nav-item">
                <a th:class="${active} == 'list.html'?'nav-link active':'nav-link'" th:href="@{/emp}">
                    <svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-users">
                        <path d="M17 21v-2a4 4 0 0 0-4-4H5a4 4 0 0 0-4 4v2"></path>
                        <circle cx="9" cy="7" r="4"></circle>
                        <path d="M23 21v-2a4 4 0 0 0-3-3.87"></path>
                        <path d="M16 3.13a4 4 0 0 1 0 7.75"></path>
                    </svg>
                    员工管理
                </a>
            </li>
        </ul>
    </div>
</nav>

</html>

员工详情页 /emp/list.html

<!DOCTYPE html>
<!-- saved from url=(0052)http://getbootstrap.com/docs/4.0/examples/dashboard/ -->
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>Dashboard Template for Bootstrap</title>
    <!-- Bootstrap core CSS -->
    <link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">

    <!-- Custom styles for this template -->
    <link th:href="@{/css/dashboard.css}" rel="stylesheet">
    <style type="text/css">

        @-webkit-keyframes chartjs-render-animation {
            from {
                opacity: 0.99
            }
            to {
                opacity: 1
            }
        }

        @keyframes chartjs-render-animation {
            from {
                opacity: 0.99
            }
            to {
                opacity: 1
            }
        }

        .chartjs-render-monitor {
            -webkit-animation: chartjs-render-animation 0.001s;
            animation: chartjs-render-animation 0.001s;
        }
    </style>
</head>

<body>
<div th:replace="~{common/commons::topbar}"></div>

<div class="container-fluid">
    <div class="row">
        <div th:replace="~{common/commons::sidebar(active='list.html')}"></div>

        <main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4">
            <h2>员工管理</h2>
            <!--添加员工按钮-->
            <a class="btn btn-sm btn-primary" th:href="@{/add}">添加</a>

            <div class="table-responsive">
                <table class="table table-striped table-sm">
                    <thead>
                    <tr>
                        <th>序号</th>
                        <th>姓名</th>
                        <th>邮箱</th>
                        <th>性别</th>
                        <th>部门</th>
                        <th>入职日期</th>
                        <th>操作</th>
                    </tr>
                    </thead>
                    <tbody>
                    <tr th:each="emp:${emps}">
                        <td th:text="${emp.getId()}"></td>
                        <td th:text="${emp.getEmployeeName()}"></td>
                        <td th:text="${emp.getEmail()}"></td>
                        <td th:text="${emp.getGender() == 0 ? '女':'男'}"></td>
                        <td th:text="${emp.getDepartmentName()}"></td>
                        <!--使用时间格式化工具-->
                        <td th:text="${#dates.format(emp.getDate(),'yyyy-MM-dd')}"></td>
                        <td >

                            <a class="btn btn-sm btn-primary" th:href="@{/emp/}+${emp.id}">编辑</a>
                            <a class="btn btn-sm btn-danger" th:href="@{/delEmp/}+${emp.id}">删除</a>
                        </td>
                    </tr>

                    </tbody>
                </table>
            </div>
        </main>
    </div>
</div>
<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script type="text/javascript" th:src="@{/js/jquery-3.2.1.slim.min.js}"></script>
<script type="text/javascript" th:src="@{/js/popper.min.js}"></script>
<script type="text/javascript" th:src="@{/js/bootstrap.min.js}"></script>

</body>
</html>

添加员工页 /emp/add.html

<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>Dashboard Template for Bootstrap</title>
    <!-- Bootstrap core CSS -->
    <link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">

    <!-- Custom styles for this template -->
    <link th:href="@{/css/dashboard.css}" rel="stylesheet">


    <style type="text/css">
        /* Chart.js */

        @-webkit-keyframes chartjs-render-animation {
            from {
                opacity: 0.99
            }
            to {
                opacity: 1
            }
        }

        @keyframes chartjs-render-animation {
            from {
                opacity: 0.99
            }
            to {
                opacity: 1
            }
        }

        .chartjs-render-monitor {
            -webkit-animation: chartjs-render-animation 0.001s;
            animation: chartjs-render-animation 0.001s;
        }
    </style>
</head>

<body>
<div th:replace="~{common/commons::topbar}"></div>

<div class="container-fluid">
    <div class="row">
        <div th:replace="~{common/commons::sidebar(active='list.html')}"></div>

        <main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4">
            <h2>添加员工信息</h2>
            <form th:action="@{/add}" method="post">
                <div class="form-group">
                    <label for="InputName">姓名</label>
                    <input name="employeeName" type="text" class="form-control" id="InputName" placeholder="张三" >

                </div>
                <div class="form-group">
                    <label for="InputEmail1">邮箱</label>
                    <input name="email" type="email" class="form-control" id="InputEmail1" placeholder="123@123.com">
                </div>
                <div class="form-group">
                    <label >性别</label>
                    <div class="form-check form-check-inline" >
                        <input class="form-check-input" type="radio" name="gender"  value="1">
                        <label class="form-check-label">男</label>
                    </div>
                    <div class="form-check form-check-inline" >
                        <input class="form-check-input" type="radio" name="gender"  value="0">
                        <label class="form-check-label">女</label>
                    </div>
                </div>
                <div class="form-group">
                    <label>部门</label>
                    <!--提交的是部门的ID-->
                    <select class="form-control" name="departmentId">
                        <option>请选择</option>
                        <option  th:each="dept:${departments}" th:text="${dept.departmentName}" th:value="${dept.id}">1</option>
                    </select>
                </div>
                <div class="form-group">
                    <label>入职日期</label>
                    <input name="date" type="text"  class="form-control" id="dateFormat" autocomplete="off">
                </div>

                <button type="submit" class="btn btn-primary">提交</button>
            </form>
        </main>
    </div>
</div>

<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script type="text/javascript" th:src="@{/js/jquery-3.2.1.slim.min.js}"></script>
<script type="text/javascript" th:src="@{/js/popper.min.js}"></script>
<script type="text/javascript" th:src="@{/js/bootstrap.min.js}"></script>

<!--		日期组件-->
<script type="text/javascript" th:src="@{/laydate/laydate.js}"></script>
<!-- 改成你的路径 -->
<script>
    //执行一个laydate实例
    laydate.render({
        elem: '#dateFormat' ,
        trigger:'click'//指定元素
    });
</script>
</body>

</html>

修改员工页 /emp/update.html

<!DOCTYPE html>
<!-- saved from url=(0052)http://getbootstrap.com/docs/4.0/examples/dashboard/ -->
<html lang="en" xmlns:th="http://www.thymeleaf.org">

<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
    <meta name="description" content="">
    <meta name="author" content="">

    <title>Dashboard Template for Bootstrap</title>
    <!-- Bootstrap core CSS -->
    <link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">

    <!-- Custom styles for this template -->
    <link th:href="@{/css/dashboard.css}" rel="stylesheet">
    <style type="text/css">
        /* Chart.js */

        @-webkit-keyframes chartjs-render-animation {
            from {
                opacity: 0.99
            }
            to {
                opacity: 1
            }
        }

        @keyframes chartjs-render-animation {
            from {
                opacity: 0.99
            }
            to {
                opacity: 1
            }
        }

        .chartjs-render-monitor {
            -webkit-animation: chartjs-render-animation 0.001s;
            animation: chartjs-render-animation 0.001s;
        }
    </style>
</head>

<body>
<div th:replace="~{common/commons::topbar}"></div>

<div class="container-fluid">
    <div class="row">
        <div th:replace="~{common/commons::sidebar(active='list.html')}"></div>

        <main role="main" class="col-md-9 ml-sm-auto col-lg-10 pt-3 px-4">
            <h2>修改员工信息</h2>
            <form th:action="@{/updateEmp}" method="post" >
                <input name="id" type="hidden" class="form-control" th:value="${emp.id}">
                <div class="form-group">
                    <label>姓名</label>
                    <input name="employeeName" type="text" class="form-control " th:value="${emp.employeeName}" >
                </div>
                <div class="form-group">
                    <label>邮箱</label>
                    <input name="email" type="email" class="form-control" th:value="${emp.email}">
                </div>
                <div class="form-group">
                    <label>性别</label><br/>
                    <div class="form-check form-check-inline">
                        <input class="form-check-input" type="radio" name="gender" value="1"
                               th:checked="${emp.gender==1}">
                        <label class="form-check-label">男</label>
                    </div>
                    <div class="form-check form-check-inline">
                        <input class="form-check-input" type="radio" name="gender" value="0"
                               th:checked="${emp.gender==0}">
                        <label class="form-check-label">女</label>
                    </div>
                </div>
                <div class="form-group">
                    <label>部门</label>
                    <!--提交的是部门的ID-->
                    <select class="form-control" name="departmentId">
                        <option th:selected="${dept.id == emp.departmentId}" th:each="dept:${departments}"
                                th:text="${dept.departmentName}" th:value="${dept.id}">1
                        </option>
                    </select>
                </div>
                <div class="form-group">
                    <label>时间</label>
                    <input name="date" type="text"  class="form-control" th:value="${#dates.format(emp.date,'yyyy-MM-dd')}" id="dateFormat" autocomplete="off">
                </div>
                <button type="submit" class="btn btn-primary">修改</button>
            </form>
        </main>
    </div>
</div>

<!-- Bootstrap core JavaScript
================================================== -->
<!-- Placed at the end of the document so the pages load faster -->
<script type="text/javascript" src="asserts/js/jquery-3.2.1.slim.min.js"></script>
<script type="text/javascript" src="asserts/js/popper.min.js"></script>
<script type="text/javascript" src="asserts/js/bootstrap.min.js"></script>
<!--		日期组件-->
<script type="text/javascript" src="/laydate/laydate.js"></script> <!-- 改成你的路径 -->
<script>
    //执行一个laydate实例
    laydate.render({
        elem: '#dateFormat',
        trigger:'click'//指定元素
    });
</script>
</body>

</html>

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原文地址：https://www.cnblogs.com/MessiXiaoMo3334/p/12971433.html