一、项目说明

本《人事管理系统》的浏览器端使用 VUE 框架来实作，服务端使用 Spring Boot + MyBatis 来实作，数据库使用了 MySQL，就是一个简单的学习前后端分离的项目，自己主要是做java开发的，所以前端vue没有过多的样式，只用来展示页面，如果想简单实作一个前后端分离的项目实作思路可以看这里；前后端项目的项目启动方法和看文章末尾，

二、项目预览

该项目就是实作了前后端分离，然后实作了员工的增删改查

1、登录首页：

点击登录系统人事管理系统后就到达员工展示页面

2、这是员工展示页面

3、这是添加员工页面

4、这是修改员工页面实作了资料回显

三、vue实作前端代码实作

1、前端项目结构图

2、component组件

<template>
  <div>
    <h3>{{ msg }}</h3>
    <hr/>
    <h4><a href="javascript:;">添加员工</a></h4>
    <table border="1px" cellpadding="0px" width="100%">
      <tr>
        <td>编号</td>
        <td>名称</td>
        <td>薪资</td>
        <td>年龄</td>
        <td>操作</td>
      </tr>
      <tr v-for="(emp,index) in emps" :key="emp.id">
        <td>{{ index + 1 }}</td>
        <td>{{ emp.name }}</td>
        <td>{{ emp.salary }}</td>
        <td>{{ emp.age }}</td>
        <td><a href="javascript:;" @click.prevent="del(emp.id)">洗掉</a> <a href="javascript:;"
                                                                          @click.prevent="queryOne(emp.id)">修改</a></td>
      </tr>
    </table>
    <hr/>
    <h3>{{ fun }}员工信息</h3>
    <form>
      <input type="hidden" readonly v-model="emp.id"><br/>
      名称：<input type="text" v-model="emp.name"><br/>
      薪资：<input type="text" v-model="emp.salary"><br/>
      年龄：<input type="text" v-model="emp.age"><br/>
      <input type="submit" v-model="fun" @click="insert()"><br/>
    </form>

  </div>
</template>

<script>
import axios from "axios";
import request from "../../utils/request";


export default {
  name: "Emps",
  data() {
    return {
      msg: "员工管理系统",
      emps: [],
      emp: {},
      fun: "添加"
    }
  },
  methods: {
    //展示所有
    quallAll() {
      //发送请求 接收相应资料 将资料交给组件
      request.get("/queryAll").then(response => {
        console.log(response.data);
        this.emps = response.data
      })
    },
    //资料回显
    queryOne(id) {
      //先将fun中的添加换为为修改
      this.fun="修改";
      if(window.confirm("你确定修改吗？")){
        request.get("/queryOne?id=" + id).then((emp) => {
          this.emp=emp.data;
          this.quallAll();
        })
      }
    },
    //添加员工
    insert() {
      //接收资料  双向系结
      console.log(this.emp);
      if(window.confirm("确认添加员工吗")){
        request.post("/add", this.emp).then(() => {
          this.quallAll();
          this.emp = {}
        })
      }
    },
    //根据id洗掉
    del(id) {
      if (window.confirm("你确定添加/修改这个员工信息吗？")) {
        request.get("/delete?id=" + id).then(() => {
          this.quallAll();
        })
      }
    }
  },
  created() {
    this.quallAll();
  }
}
</script>

<style scoped>

</style>

3、router路由

import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

export default new Router({
  routes: [
    {
      path: '/Emps',
      name: 'Emps',
      component: ()=>import("../components/Emps")
    }
  ]
})

4、App.vue

<template>
  <div id="app">
    <img src="./assets/logo.png">
    <br>
    <router-link :to="{name:'Emps'}">登录系统人事管理系统</router-link>
    <router-view/>
  </div>
</template>

<script>
export default {
  name: 'App'
}
</script>

<style>
#app {
  font-family: 'Avenir', Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
  margin-top: 60px;
}
</style>

四、SpringBoot+Mybatis后端代码实作

1、后端项目结构图

2、sql陈述句实作

/*
 Navicat Premium Data Transfer

 Source Server         : windows
 Source Server Type    : MySQL
 Source Server Version : 80022
 Source Host           : localhost:3306
 Source Schema         : ems

 Target Server Type    : MySQL
 Target Server Version : 80022
 File Encoding         : 65001
*/

SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;

-- ----------------------------
-- Table structure for t_emp
-- ----------------------------
DROP TABLE IF EXISTS `t_emp`;
CREATE TABLE `t_emp`  (
  `id` int NOT NULL AUTO_INCREMENT,
  `name` varchar(20) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL,
  `salary` double NOT NULL,
  `age` int NOT NULL,
  PRIMARY KEY (`id`) USING BTREE
) ENGINE = InnoDB AUTO_INCREMENT = 11 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;

-- ----------------------------
-- Records of t_emp
-- ----------------------------
INSERT INTO `t_emp` VALUES (2, '杨福君', 9000, 19);
INSERT INTO `t_emp` VALUES (8, '王恒杰', 12000, 21);
INSERT INTO `t_emp` VALUES (12, '邓正武', 20000, 22);
INSERT INTO `t_emp` VALUES (13, '周宣君', 18000, 23);
INSERT INTO `t_emp` VALUES (14, '吴洪旭', 2000, 23);

SET FOREIGN_KEY_CHECKS = 1;

3、相关依赖pom.xml

 <!--继承springboot的父项目 ,放在dependencies平级下-->
  <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>2.2.5.RELEASE</version>
  </parent>
  <dependencies>
    <!--springboot依赖-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter</artifactId>
    </dependency>
    <dependency>
      <groupId>org.mybatis.spring.boot</groupId>
      <artifactId>mybatis-spring-boot-starter</artifactId>
      <version>2.1.2</version>
    </dependency>

    <!--引入springboot的web支持-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <!--mysql-->
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>8.0.16</version>
    </dependency>

    <!--资料源连接池-->
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>1.1.12</version>
    </dependency>

    <!--引入springboot的test支持-->
    <dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-test</artifactId>
    </dependency>

  </dependencies>

4、application.yml

server:
  port: 8080
  servlet:
    context-path: /ems
spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource  #资料源型别
    driver-class-name: com.mysql.cj.jdbc.Driver   #加载驱动
    url: jdbc:mysql://localhost:3306/ems?useSSL=false&serverTimezone=UTC
    username: root
    password: root
mybatis:
  mapper-locations: classpath:com/tjcu/mapper/*Mapper.xml #指定mapper档案所在的位置,其中classpath必须和mapper-locations分开
  type-aliases-package: com.tjcu.entity

5、Controller控制层

/**
 * @author 王恒杰
 * @date 2021/12/17 15:52
 * @Description:
 */
@Controller
@CrossOrigin
@ResponseBody
public class EmpController {
    @Autowired
    private EmpService empService;

    @RequestMapping("/emp/queryAll")
    public  List<Emp> queryall(){
        List<Emp> emps = empService.showEmp();
        return emps;
    }

    /**
     * 洗掉
     * @param id
     */
    @RequestMapping("/emp/delete")
    public void delete(Integer id){
        empService.deleteById(id);
    }
    @RequestMapping("/emp/add")
    public void add(@RequestBody Emp emp){
        if(emp.getId()!=null){
            empService.updateEmp(emp);
        }else {
            emp.setId(null);
            empService.insertEmp(emp);
        }
    }

    @RequestMapping("/emp/queryOne")
    public Emp query(Integer id){
        Emp emp = empService.selectEmpById(id);
        return emp;
    }
}

6、mapper档案

<mapper namespace="com.tjcu.dao.EmpDao">

    <insert id="insertEmp">
        insert into t_emp
        values (#{id}, #{name}, #{salary}, #{age})
    </insert>

    <select id="showEmp" resultType="emp">
        select *
        from t_emp
    </select>

    <update id="updateEmp">

        update t_emp
        <set>
            <if test="name!=null">
                name=#{name},
            </if>
            <if test="salary!=null">
                salary=#{salary},
            </if>
            <if test="age!=null">
                age=#{age}
            </if>
        </set>
        where id=#{id}
    </update>

    <delete id="deleteById">
        delete from t_emp where id=#{id}
    </delete>
    <select id="selectEmpById" resultType="emp">
        select *
        from t_emp where id=#{id}
    </select>

</mapper>