models
from django.db import models
from django.contrib.auth.models import AbstractUser
class UserInfo(AbstractUser):
tel=models.CharField(max_length=32)
class Room(models.Model):
"""
会议室表
"""
caption = models.CharField(max_length=32)
num = models.IntegerField()
def __str__(self):
return self.caption
class Book(models.Model):
"""
会议室预定信息
"""
user = models.ForeignKey('UserInfo')
room = models.ForeignKey('Room')
date = models.DateField()
time_choices = (
(1, '8:00'),
(2, '9:00'),
(3, '10:00'),
(4, '11:00'),
(5, '12:00'),
(6, '13:00'),
(7, '14:00'),
(8, '15:00'),
(9, '16:00'),
(10, '17:00'),
(11, '18:00'),
(12, '19:00'),
(13, '20:00'),
)
time_id = models.IntegerField(choices=time_choices)
class Meta:
unique_together = (
('room','date','time_id'),
)
def __str__(self):
return str(self.user)+"预定了"+str(self.room)
views
from django.shortcuts import render, redirect, HttpResponse
from .models import *
from django.http import JsonResponse
from django.contrib import auth
import datetime,json
def index(request):
current_date = datetime.datetime.now().date() # 取到当前时间
book_date = request.GET.get("book_date", current_date.strftime("%Y-%m-%d")) # 取到预定时间
book_date = datetime.datetime.strptime(book_date, "%Y-%m-%d") # 格式化时间
time_choices = Book.time_choices # 取到model里定义的时间
room_list = Room.objects.all() # 取到所有房间
book_list = Book.objects.filter(date=book_date) # 筛选当前时间的所有预定信息
html = ""
for room in room_list: # 取到每一个的房间信息
s = '<tr><td>{0}({1})</td>'.format(room.caption, room.num)
for item in time_choices: # 取到每一个可以预定的时间段
flag = False
for book in book_list: # 取到每一个预定信息book
if book.room.caption == room.caption and book.time_id == item[0]: # 如果每一个预定信息的房间名称和时间段匹配成功
flag = True
break
if flag: # 如果预定信息存在
if request.user.pk != book.user.pk: # 如果当前登录用户不是预定用户
s += '<td class="active_other item" room_id="{0}" time_id="{1}">{2}</td>'.format(room.pk, item[0],
book.user.username)
else: # 如果当前登录用户就是预定用户
s += '<td class="active item" room_id="{0}" time_id="{1}">{2}</td>'.format(room.pk, item[0],
book.user.username)
else: # 如果当前房间当前时段没人预定,显示空白
s += '<td class="item" room_id="{0}" time_id="{1}"></td>'.format(room.pk, item[0])
s += "</tr>"
html += s # 拼出tr单元格
return render(request, 'index.html', locals())
def book(request):
print(request.POST)
response = {'status': True, 'msg': None, 'data': None}
try:
choice_date = request.POST.get('date') # 取出从前端get的数据
choice_date = datetime.datetime.strptime(choice_date, '%Y-%m-%d').date() # 转换日期成指定格式
post_data = json.loads(request.POST.get('data')) # 取出ajax传来的数据,并反序列化
# 优化 既在添加字典又在取消字典中 == 不添加 也不取消
for room_id, time_list in post_data['DEL'].items(): # 循环字典中每一个删除信息
if room_id not in post_data['ADD']: # 如果循环到的删除房间 没在 添加房间的字典中
continue # 结束当前循环进入下一个循环
for time_id in list(time_list): # 循环删除字典中每个房间的时间段
if time_id in post_data['ADD'][room_id]: # 如果这个时间段在当前循环房间 添加预订 的字典中
post_data['ADD'][room_id].remove(time_id) # 从添加预订的字典中移除 这个时间段
post_data['DEL'][room_id].remove(time_id) # 从取消预订的字典中移除 这个时间段
# 增加预定
book_obj_list = []
for room_id, time_list in post_data['ADD'].items():
for time_id in time_list:
obj = Book(room_id=room_id, time_id=time_id, user_id=request.user.pk, date=choice_date)
book_obj_list.append(obj) # 添加到预订房间的 列表中
Book.objects.bulk_create(book_obj_list) # 批量创建到数据库
# 删除会议室预定信息
print(post_data['DEL'])
from django.db.models import Q
remove_booking = Q()
for room_id, time_id_list in post_data['DEL'].items():
for time_id in time_id_list:
temp = Q()
temp.connector = 'AND'
temp.children.append(('user_id', request.user.pk,))
temp.children.append(('date', choice_date))
temp.children.append(('room_id', room_id,))
temp.children.append(('time_id', time_id,))
remove_booking.add(temp, 'OR')
if remove_booking:
Book.objects.filter(remove_booking).delete()
except Exception as e:
response['status'] = False
response['msg'] = str(e)
return JsonResponse(response)
def login(request):
if request.method == "POST":
user = request.POST.get("user")
pwd = request.POST.get("pwd")
user = auth.authenticate(username=user, password=pwd) # 用auth 模块对当前登录用户进行验证
if user:
auth.login(request, user)
return redirect("/index/")
return render(request, "login.html")
index
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="/static/bootstrap/css/bootstrap.css">
<script src="/static/js/jquery-1.12.4.min.js"></script>
<script src="/static/datetimepicker/bootstrap-datetimepicker.min.js"></script>
<script src="/static/datetimepicker//bootstrap-datetimepicker.zh-CN.js"></script>
<style type="text/css">
.active {
background-color: #ffc322 !important;
color: black;
text-align: center;
font-size: 16px;
}
.td_active {
background-color: greenyellow !important;
}
.active_other {
background-color: rebeccapurple;
color: white;
text-align: center;
font-size: 16px;
}
</style>
</head>
<body>
<h3>会议室预订,{{ request.user }}</h3>
<div class="calender pull-right">
<div class='input-group' style=" 230px;">
<input type='text' class="form-control" id='datetimepicker11' placeholder="请选择日期"/>
<span class="input-group-addon">
<span class="glyphicon glyphicon-calendar">
</span>
</span>
</div>
</div>
{% csrf_token %}
<table class="table table-bordered table-striped">
<thead>
<tr>
<th>会议室/时间</th>
{% for item in time_choices %}
<th>{{ item.1 }}</th>
{% endfor %}
</tr>
</thead>
<tbody>
{{ html|safe }}
</tbody>
</table>
<button class="keep btn btn-primary pull-right" style="margin-right: 100px">保存</button>
<script>
// 给JS字符串Date添加自定义方法Format
Date.prototype.Format = function (fmt) {
var o = {
"M+": this.getMonth() + 1, //月份
"d+": this.getDate(), //日
"h+": this.getHours(), //小时
"m+": this.getMinutes(), //分
"s+": this.getSeconds(), //秒
"q+": Math.floor((this.getMonth() + 3) / 3), //季度
"S": this.getMilliseconds() //毫秒
};
if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
for (var k in o)
if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length)));
return fmt;
};
// 给日历插件绑定事件
$(function () {
$('#datetimepicker11').datetimepicker({
minView: "month",
language: "zh-CN",
sideBySide: true,
format: 'yyyy-mm-dd',
startDate: new Date(),
bootcssVer: 3,
autoclose: true,
}).on('changeDate', book_query);
bindTd();
});
// 切片取会议室预定的时间
if (location.search.slice(11)) {
CHOSEN_DATE = location.search.slice(11) // 如果url中有时间,就有时间
}
else {
CHOSEN_DATE = new Date().Format('yyyy-MM-dd'); // 如果url中没有时间,取当前时间
}
function book_query(ev) {
CHOSEN_DATE = ev.date.Format('yyyy-MM-dd');
location.href = "/index/?book_date=" + CHOSEN_DATE
}
// 定义两个发送给后端的字典
var POST_DATA = {
DEL: {},
ADD: {},
};
// 定义绑定td函数
function bindTd() {
$(".item").click(function () {
if ("{{ request.user.username }}") {
var room_id = $(this).attr('room_id');
var time_id = $(this).attr('time_id');
if ($(this).hasClass("active")) { // 如果当前点击的单元格有active属性
$(this).removeClass('active').empty();
// 退订 roo_id=4 time_id=5
// 退订 roo_id=4 time_id=6
if (POST_DATA.DEL[room_id]) {
POST_DATA.DEL[room_id].push(time_id);
} else {
POST_DATA.DEL[room_id] = [time_id];
}
}
else {
$(this).addClass('td_active');
if (POST_DATA.ADD[room_id]) {
POST_DATA.ADD[room_id].push(time_id);
} else {
POST_DATA.ADD[room_id] = [time_id];
}
}
}
else {
location.href = "/login/"
}
})
}
// 保存按钮功能
$(".keep").click(function () {
console.log(POST_DATA);
$("td.td_activ").each(function () {
});
// 用ajax把数据发送给后端
$.ajax({
url: "/book/",
type: "POST",
data: {data: JSON.stringify(POST_DATA), date: CHOSEN_DATE, csrfmiddlewaretoken: '{{ csrf_token }}'},
success: function (data) {
if (data.status) {
location.href = ""
}
else {
alert("不能选择其他人已预订的房间");
location.href = ""
}
}
})
})
</script>
</body>
</html>