会议信息管理系统SSM记录（六）

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目录：

（1）会议预定1

（2）会议预定2

（3）会议预约3

（4）会议预定4

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（1）会议预定1

创建MeetingController：

//跳转预定会议页面
    @RequestMapping("/bookmeeting")
    public String bookmeeting(Model model){
        model.addAttribute("mrs",meetingRoomService.getAllMr());//查询所有会议室
        return "bookmeeting";
    }

 

删除预定页面部门的固定代码：

 

 修改：

 

 

 （2）会议预定2

添加json依赖：

在MeetingController添加：获取部门请求：

 

 //返回所有的部门
    @RequestMapping("/alldeps")
    @ResponseBody
    public List getAllDeps(){
        return departmentService.getAllDeps();
    }

 

 //获取所有部门
    public List getAllDeps() {
        return departmentMapper.getAllDeps();
    }

//获取所有部门
    List<Department> getAllDeps();

 <!--获取所有部门-->
    <select id="getAllDeps" resultType="com.xzb.meeting.model.Department">
        select *
        from department
    </select>

在MeetingController：添加 

获取员工请求：

 

 

 //通过部门编号获取员工
    @RequestMapping("/getempbydepid")
    @ResponseBody
    public List getEmpsByDepId(Integer depId){
        return employeeService.getEmpsByDepId(depId);
    }

 在EmployeeService：添加：

 //通过部门编号获取员工
    public List<Employee> getEmpsByDepId(Integer depId) {
        return employeeMapper.getEmpsByDepId(depId);
    }

 在EmployeeMapper：添加这个方法：

 //通过部门编号获取员工
    List<Employee> getEmpsByDepId(Integer depId);

 EmployeeMapper.xml：书写sql语句：

 

 <!--通过部门编号获取员工-->
    <select id="getEmpsByDepId" resultType="com.xzb.meeting.model.Employee">
        select *
        from employee
        where departmentid = #{depId}
    </select>

引入在线jquery的依赖：

 

 <script type="application/javascript">
            
            
            var selDepartments;
            var selEmployees;
            var selSelectedEmployees;
            
            function body_load(){
                selDepartments = document.getElementById("selDepartments");
                selEmployees = document.getElementById("selEmployees");
                selSelectedEmployees = document.getElementById("selSelectedEmployees");
 
                //发送ajax请求  返回所有的部门
                $.get("/alldeps", function (data) {
                    for (let i = 0; i < data.length; i++) {
                        var item = data[i];
                        var dep = document.createElement("option");//创建一个option元素
                        dep.value = item.departmentId;
                        dep.text = item.departmentName;
                        selDepartments.appendChild(dep);//把option放到selDepartments下拉列表
                    }
                    fillEmployees();
                })
            }
 
            //填充下方的
            function fillEmployees(){
                clearList(selEmployees);//清除上次的
                var departmentid = selDepartments.options[selDepartments.selectedIndex].value;
                //发送ajax获取 通过部门编号获取员工
                $.get("/getempbydepid?depId="+departmentid,function (data) {
                    for(i=0;i<data.length;i++) {
                        var emp = document.createElement("option");
                        emp.value = data[i].employeeId;
                        emp.text = data[i].employeeName;
                        selEmployees.appendChild(emp);
                    }
                })
            }
 
            //清除方法
            function clearList(list){
                while(list.childElementCount > 0){
                    list.removeChild(list.lastChild);
                }
            }
 
            //选择员工
            function selectEmployees(){
                for(var i=0;i<selEmployees.options.length;i++){
                    if (selEmployees.options[i].selected){
                        addEmployee(selEmployees.options[i]);
                        selEmployees.options[i].selected = false;
                    }
                }
            }
 
            //把员工从右边从删除
            function deSelectEmployees(){
                var elementsToRemoved = new Array();
                var options = selSelectedEmployees.options;
                for(var i=0;i<options.length;i++){
                    if (options[i].selected){
                        elementsToRemoved.push(options[i]);
                    }
                }
                for(i=0;i<elementsToRemoved.length;i++){
                    selSelectedEmployees.removeChild(elementsToRemoved[i]);
                }
            }
 
            //把选择的员工添加到右边框内
            function addEmployee(optEmployee){
                var options = selSelectedEmployees.options;
                var i = 0;
                var insertIndex = -1;
                while(i < options.length){
                    if (optEmployee.value == options[i].value){
                        return;
                    } else if (optEmployee.value < options[i].value) {
                        insertIndex = i;
                        break;
                    }
                    i++;
                }
                var opt = document.createElement("option");
                opt.value = optEmployee.value;
                opt.text = optEmployee.text;
                opt.selected = true;
                
                if (insertIndex == -1){
                    selSelectedEmployees.appendChild(opt);
                } else {
                    selSelectedEmployees.insertBefore(opt, options[insertIndex]);
                }
            }            
        </script>

（3）会议预约3

 

使用日历的插件

 

在配置文件中mvc：spring-servlet.xml中配置不拦截：

 

 然后 在页面引入js文件：

修改：

 

 

 

 

 （4）会议预定4

创建Meeting实体类：

创建DataConverter：时间类型转换：

package com.xzb.meeting.converter;
 
import org.springframework.core.convert.converter.Converter;
 
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
 
/**
 * 类型转换
 */
public class DateConverter implements Converter {
 
    SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
    public Date convert(String source) {
        try {
            return sdf.parse(source);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }
}

 在配置文件中配置：mvc:spring-servlet.xml

 

在MeetingController中添加：预约会议方法：

//添加会议请求  meeting会议的信息  mps：参加人员的数组
    @RequestMapping("/doAddMeeting")
    public String bookMeeting(Meeting meeting, Integer[] mps, HttpSession httpSession){
        Employee currentuser = (Employee) httpSession.getAttribute("currentuser");//从session里面获取当前登录的用户
        meeting.setReservationistid(currentuser.getEmployeeId());//设置meeting信息，设置发起会议的用户
        Integer result = meetingService.addmeeting(meeting,mps);
        if (result == 1){
            return "redirect:/searchmeetings";
        }else {
            return "forward:/bookmeeting";
        }
    }

 在MeetingService：添加：

 

 

 
    //添加会议请求   mps 参加会议的员工的员工ID
    public Integer addmeeting(Meeting meeting, Integer[] mps) {
        meeting.setReservationtime(new Date());
        meeting.setStatus(0);//设置会议的状态
        Integer result = meetingMapper.addmeeting(meeting);//往会议表添加一条数据
        meetingMapper.addParticipants(meeting.getMeetingid(),mps);//往会议员工记录表添加一条数据
        return result;
    }

在MeetingMapper：添加：

 //添加会议请求
    Integer addmeeting(Meeting meeting);

//添加参会人员
    void addParticipants(@Param("meetingid") Integer meetingid,@Param("mps") Integer[] mps);

MeetingMapper.xml添加sql语句

 <!--添加会议请求-->
    <insert id="addmeeting" useGeneratedKeys="true" keyProperty="meetingid">
        insert into meeting (meetingname,roomid,reservationistid,numberofparticipants,starttime,endtime,reservationtime,canceledtime,description,status)
        values (#{meetingname}, #{roomid}, #{reservationistid}, #{numberofparticipants}, #{starttime}, #{endtime},
                #{reservationtime}, #{canceledtime}, #{description}, #{status})
    </insert>

<!--添加参会人员-->
    <insert id="addParticipants">
        insert into meetingparticipants(meetingid,employeeid) values
        <foreach collection="mps" item="mp" separator=",">
            (#{meetingid},#{mp})
        </foreach>
    </insert>