SSM整合開發辦公系統核心模塊三（員工管理功能實現）

員工信息的增刪改查

關注點：

• 員工與部門的關聯關係
• 默認登錄密碼

dao與映射文件

EmployeeDao

package com.imooc.oa.dao;

import com.imooc.oa.entity.Department;
import com.imooc.oa.entity.Employee;
import org.apache.ibatis.annotations.Param;
import org.springframework.stereotype.Repository;

import java.util.List;

@Repository(value = "employeeDao")
public interface EmployeeDao {
    void insert(Employee employee);
    void update(Employee employee);
    void delete(String sn);
    Employee select(String sn);
    List<Employee> selectAll();
    List<Employee> selectByDepartmentAndPost(@Param("dsn") String dsn,@Param("post") String post);
}

EmployeeDao.xml

<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.4//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.imooc.oa.dao.EmployeeDao">

    <resultMap id="employee" type="Employee">
        <id property="sn" column="sn" javaType="String"/>
        <result property="password" column="password" javaType="String"/>
        <result property="name" column="name" javaType="String"/>
        <result property="departmentSn" column="department_sn" javaType="String"/>
        <result property="post" column="post" javaType="String"/>
        <association property="department" column="department_sn" javaType="Department" >
            <id property="sn" column="dsn" javaType="String"/>
            <result property="name" column="dname" javaType="String"/>
        </association>
    </resultMap>


    <insert id="insert" parameterType="Employee">
        insert into employee values(#{sn},#{password},#{name},#{departmentSn},#{post})
    </insert>

    <update id="update" parameterType="Employee">
        update employee set name=#{name},password=#{password},department_sn=#{departmentSn},post=#{post} where sn=#{sn}
    </update>

    <delete id="delete" parameterType="String">
        delete from employee where sn=#{sn}
    </delete>

    <select id="select" parameterType="String" resultMap="employee">
        select e.*,d.sn dsn,d.name dname from employee e left join department d on d.sn=e.department_sn
         where e.sn=#{sn}
    </select>

    <select id="selectAll" resultMap="employee">
        select e.*,d.sn dsn,d.name dname from employee e left join department d on d.sn=e.department_sn
    </select>
    <select id="selectByDepartmentAndPost" resultMap="employee">
        select e.*,d.sn dsn,d.name dname from employee e left join department d on d.sn=e.department_sn
        where e.sn is not NULL
        <if test="dsn!=null">
            and e.department_sn=#{dsn}
        </if>
        <if test="post!=null">
            and e.post=#{post}
        </if>
    </select>
</mapper>

biz接口與其實現類

EmployeeBiz

package com.imooc.oa.biz;

import com.imooc.oa.entity.Department;
import com.imooc.oa.entity.Employee;

import java.util.List;

public interface EmployeeBiz {
    void add(Employee employee);
    void edit(Employee employee);
    void remove(String sn);
    Employee get(String sn);
    List<Employee> getAll();
}

EmployeeBizImpl

package com.imooc.oa.biz.impl;

import com.imooc.oa.biz.EmployeeBiz;
import com.imooc.oa.dao.EmployeeDao;
import com.imooc.oa.entity.Employee;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;
@Service("employeeBiz")
public class EmployeeBizImpl implements EmployeeBiz {
    @Autowired
    private EmployeeDao employeeDao;

    public void add(Employee employee) {
        employee.setPassword("000000");
        employeeDao.insert(employee);
    }

    public void edit(Employee employee) {
        employeeDao.update(employee);
    }

    public void remove(String sn) {
        employeeDao.delete(sn);
    }

    public Employee get(String sn) {
        return employeeDao.select(sn);
    }

    public List<Employee> getAll() {
        return employeeDao.selectAll();
    }
}

控制器

package com.imooc.oa.controller;

import com.imooc.oa.biz.DepartmentBiz;
import com.imooc.oa.biz.EmployeeBiz;
import com.imooc.oa.entity.Department;
import com.imooc.oa.entity.Employee;
import com.imooc.oa.global.Contant;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

import java.util.Map;

@Controller("employeeController")
@RequestMapping("/employee")
public class EmployeeController {
    @Autowired
    private DepartmentBiz departmentBiz;
    @Autowired
    private EmployeeBiz employeeBiz;

    @RequestMapping("/list")
    public String list(Map<String,Object> map){
        map.put("list",employeeBiz.getAll());
        return "employee_list";
    }
    @RequestMapping("/to_add")
    public String toAdd(Map<String,Object> map){
        map.put("employee",new Employee());
        map.put("dlist",departmentBiz.getAll());
        map.put("plist", Contant.getPosts());
        return "employee_add";
    }
    @RequestMapping("/add")
    public String add(Employee employee){
        employeeBiz.add(employee);
        return "redirect:list";
    }

    @RequestMapping(value = "/to_update",params = "sn")
    public String toUpdate(String sn,Map<String,Object> map){
        map.put("employee",employeeBiz.get(sn));
        map.put("dlist",departmentBiz.getAll());
        map.put("plist", Contant.getPosts());
        return "employee_update";
    }
    @RequestMapping("/update")
    public String update(Employee employee){
        employeeBiz.edit(employee);
        return "redirect:list";
    }
    @RequestMapping(value = "/remove",params = "sn")
    public String remove(String sn){
        employeeBiz.remove(sn);
        return "redirect:list";
    }

}

頁面

employee_list

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>

<jsp:include page="top.jsp"/>

<section id="content" class="table-layout animated fadeIn">
    <div class="tray tray-center">
        <div class="content-header">
            <h2> 部門列表 </h2>
            <p class="lead"></p>
        </div>
        <div class="admin-form theme-primary mw1000 center-block" style="padding-bottom: 175px;">
            <div class="panel  heading-border">
                <div class="panel-menu">
                    <div class="row">
                        <div class="hidden-xs hidden-sm col-md-3">
                            <div class="btn-group">
                                <button type="button" class="btn btn-default light">
                                    <i class="fa fa-refresh"></i>
                                </button>
                                <button type="button" class="btn btn-default light">
                                    <i class="fa fa-trash"></i>
                                </button>
                                <button type="button" class="btn btn-default light">
                                    <i class="fa fa-plus" οnclick="javascript:window.location.href='/department/to_add';"></i>
                                </button>
                            </div>
                        </div>
                        <div class="col-xs-12 col-md-9 text-right">
                            <div class="btn-group">
                                <button type="button" class="btn btn-default light">
                                    <i class="fa fa-chevron-left"></i>
                                </button>
                                <button type="button" class="btn btn-default light">
                                    <i class="fa fa-chevron-right"></i>
                                </button>
                            </div>
                        </div>
                    </div>
                </div>
                <div class="panel-body pn">
                    <table id="message-table" class="table admin-form theme-warning tc-checkbox-1">
                        <thead>
                        <tr class="">
                            <th class="text-center hidden-xs">Select</th>
                            <th class="hidden-xs">部門編號</th>
                            <th class="hidden-xs">部門名稱</th>
                            <th class="hidden-xs">地址</th>
                            <th>操作</th>
                        </tr>
                        </thead>
                        <tbody>
                        <c:forEach items="${list}" var="dept">
                        <tr class="message-unread">
                            <td class="hidden-xs">
                                <label class="option block mn">
                                    <input type="checkbox" name="mobileos" value="FR">
                                    <span class="checkbox mn"></span>
                                </label>
                            </td>
                            <td>${dept.sn}</td>
                            <td>${dept.name}</td>
                            <td>${dept.address}</td>
                            <td>
                                <a href="/department/to_update?sn=${dept.sn}">編輯</a>
                                <a href="/department/remove?sn=${dept.sn}">刪除</a>
                            </td>
                        </tr>
                        </c:forEach>
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</section>

<jsp:include page="bottom.jsp"/>

employee_add.jsp

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<jsp:include page="top.jsp"/>
<section id="content" class="table-layout animated fadeIn">
    <div class="tray tray-center">
        <div class="content-header">
            <h2> 添加員工 </h2>
            <p class="lead"></p>
        </div>
        <div class="admin-form theme-primary mw1000 center-block" style="padding-bottom: 175px;">
            <div class="panel heading-border">
                <form:form action="/employee/add" modelAttribute="employee"  id="admin-form" name="addForm">
                    <div class="panel-body bg-light">
                        <div class="section-divider mt20 mb40">
                            <span> 基本信息 </span>
                        </div>
                        <div class="section row">
                            <div class="col-md-6">
                                <label for="sn" class="field prepend-icon">
                                    <form:input path="sn" cssClass="gui-input" placeholder="工號..." />
                                    <label for="sn" class="field-icon">
                                        <i class="fa fa-user"></i>
                                    </label>
                                </label>
                            </div>
                            <div class="col-md-6">
                                <label for="name" class="field prepend-icon">
                                    <form:input path="name" class="gui-input" placeholder="姓名..."/>
                                    <label for="name" class="field-icon">
                                        <i class="fa fa-user"></i>
                                    </label>
                                </label>
                            </div>
                        </div>
                        <div class="section row">
                            <div class="col-md-6">
                                <label for="sn" class="field select">
                                    <form:select path="departmentSn" items="${dlist}" itemLabel="name" itemValue="sn" cssClass="gui-input" placeholder="所屬部門..."/>
                                    <i class="arrow double"></i>
                                </label>
                            </div>
                            <div class="col-md-6">
                                <label for="post" class="field select">
                                    <form:select path="post" items="${plist}" cssClass="gui-input" placeholder="職務..."/>
                                    <i class="arrow double"></i>
                                </label>
                            </div>
                        </div>
                        <div class="panel-footer text-right">
                            <button type="submit" class="button"> 保存 </button>
                            <button type="button" class="button" οnclick="javascript:window.history.go(-1);"> 返回 </button>
                        </div>
                    </div>
                </form:form>
            </div>
        </div>
    </div>
</section>

<jsp:include page="bottom.jsp"/>

employee.update.jsp

<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<jsp:include page="top.jsp"/>
<section id="content" class="table-layout animated fadeIn">
    <div class="tray tray-center">
        <div class="content-header">
            <h2> 編輯員工信息 </h2>
            <p class="lead"></p>
        </div>
        <div class="admin-form theme-primary mw1000 center-block" style="padding-bottom: 175px;">
            <div class="panel heading-border">
                <form:form action="/employee/update" modelAttribute="employee"  id="admin-form" name="addForm">
                    <form:hidden path="password"/>
                    <div class="panel-body bg-light">
                        <div class="section-divider mt20 mb40">
                            <span> 基本信息 </span>
                        </div>
                        <div class="section row">
                            <div class="col-md-6">
                                <label for="sn" class="field prepend-icon">
                                    <form:input path="sn" cssClass="gui-input" placeholder="工號..." readonly="true" />
                                    <label for="sn" class="field-icon">
                                        <i class="fa fa-user"></i>
                                    </label>
                                </label>
                            </div>
                            <div class="col-md-6">
                                <label for="name" class="field prepend-icon">
                                    <form:input path="name" class="gui-input" placeholder="姓名..."/>
                                    <label for="name" class="field-icon">
                                        <i class="fa fa-user"></i>
                                    </label>
                                </label>
                            </div>
                        </div>
                        <div class="section row">
                            <div class="col-md-6">
                                <label for="sn" class="field select">
                                    <form:select path="departmentSn" items="${dlist}" itemLabel="name" itemValue="sn" cssClass="gui-input" placeholder="所屬部門..."/>
                                    <i class="arrow double"></i>
                                </label>
                            </div>
                            <div class="col-md-6">
                                <label for="post" class="field select">
                                    <form:select path="post" items="${plist}" cssClass="gui-input" placeholder="職務..."/>
                                    <i class="arrow double"></i>
                                </label>
                            </div>
                        </div>
                        <div class="panel-footer text-right">
                            <button type="submit" class="button"> 保存 </button>
                            <button type="button" class="button" οnclick="javascript:window.history.go(-1);"> 返回 </button>
                        </div>
                    </div>
                </form:form>
            </div>
        </div>
    </div>
</section>

<jsp:include page="bottom.jsp"/>