-
Notifications
You must be signed in to change notification settings - Fork 8
/
flow.php
267 lines (258 loc) · 10.2 KB
/
flow.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
<?php
define('PERMISSION',true);
//定义一个变量为true,然后在“禁止用户直接地址栏访问的文件”里检测该变量,
//如果检测不到该变量则判断为非法访问该文件。
//conntroller都define(定义常量)
//非conntroller都defined(检验常量)
require('./include/init.php');
if( !isset($_SESSION['username'])||empty($_SESSION['username']) || !isset($_SESSION['user_id']) || empty($_SESSION['user_id']) ){
header("refresh:2;url=login.php");
$msg = '请先登录..2秒后自动跳转';
include(ROOT.'view/front/msg.html');
exit;
}
//判断用户操作
$act = isset($_GET['act'])?$_GET['act']:'buy';
$car = CarTools::getCar();//获取购物车实例
$goods = new GoodsModel();
if($act == 'buy'){//把商品加到购物车动作
//如果传了$goods_id和$num过来就表示购买商品,否则表示查看购物车
$goods_id = isset($_GET['goods_id'])?$_GET['goods_id']+0:null;
$num = isset($_GET['num'])?$_GET['num']+0:null;
if(isset($_GET['num'])&&$_GET['num']<=0){
$msg = '请正确填写购买数量...';
include(ROOT.'view/front/msg.html');
exit;
}
if($goods_id){//如果$goods_id为真,表示想把商品放到购物车里
$g = $goods->find($goods_id);
if(!empty($g)){//有此商品
//判断此商品是否在回收站
//此商品是否已下架
//此商品库存够不够
if($g['is_delete']==1 || $g['is_on_sale']==0){
header("refresh:3;url=index.php");
$msg = '此商品已下架,无法进行购买...3秒后自动跳转到商城首页';
include(ROOT.'view/front/msg.html');
exit;
}
//把商品加到购物车里
$car->addItem($goods_id,$g['goods_name'],$g['shop_price'],$num);
$AllGoods = $car->getAllGoods();
//判断该商品库存够不够
if($AllGoods[$goods_id]['num']>$g['goods_number']){
//库存不足,把刚才加进来的撤回
$car->minusNum($goods_id,$num);
$msg = '此商品库存不足';
include(ROOT.'view/front/msg.html');
exit;
}
}
}
$AllGoods = $car->getAllGoods();
if(empty($AllGoods)){//如果购物车为空,返回首页
header("refresh:3;url=index.php");
$msg = '您的购物车里没有商品...3秒后自动跳转到商城首页';
include(ROOT.'view/front/msg.html');
exit;
}
//获取购物车里的商品的详细信息
$CarAllGoodsInfo = $goods->getCarGoodsInfo($AllGoods);
$totalamount = $car->getGoodsTotalAmount();
$markettotalamount = 0.0;
foreach($CarAllGoodsInfo as $value){
$markettotalamount += $value['market_price'] * $value['num'];
}
$discount = $markettotalamount-$totalamount;
if($markettotalamount!=0.0){
$per = round($discount/$markettotalamount*100,2);
}else{
$per = 0;
}
include(ROOT.'./view/front/jiesuan.html');
exit;
}elseif($act == 'clear'){
$car->clearCar();
header("refresh:3;url=index.php");
$msg = '购物车已清空...3秒后自动跳转到商城首页';
include(ROOT.'view/front/msg.html');
exit;
}elseif($act == 'del'){
$goods_id = isset($_GET['goods_id'])?$_GET['goods_id']+0:null;
$car->delItem($goods_id);
header("location:flow.php");
exit;
}elseif($act == 'submit'){
$AllGoods = $car->getAllGoods();
if(empty($AllGoods)){//如果购物车为空,返回首页
header("refresh:3;url=index.php");
$msg = '您的购物车里没有商品...3秒后自动跳转到商城首页';
include(ROOT.'view/front/msg.html');
exit;
}
$goods_ids = array();
$nums = array();
if(isset($_GET['goods_ids']) && isset($_GET['nums'])){
//$_GET['goods_ids'] = $_GET['goods_ids'] + 0;
//$_GET['nums'] = $_GET['nums'] + 0;
$goods_ids = explode(',',$_GET['goods_ids']);
$nums = explode(',',$_GET['nums']);
}else{
$_GET['goods_ids'] = null;
$_GET['nums'] = null;
}
$change = array();
if(count($goods_ids)==count($nums)){
for($i=0;$i<count($goods_ids);$i++){
$change[$goods_ids[$i]+0] = $nums[$i]+0;
}
foreach($change as $key=>$value){
$g = $goods->find($key);
if(!empty($g)){//有此商品
//判断此商品是否在回收站
//此商品是否已下架
//此商品库存够不够
if($g['is_delete']==1 || $g['is_on_sale']==0){
$msg = '';
if(mb_strlen($g['goods_name'],'utf-8')>15){
$msg = (mb_substr($g['goods_name'],0,15,'utf-8').'...');
}else{
$msg = $g['goods_name'];
}
header("refresh:3;url=flow.php");
$msg = '【'.$msg.'】商品已下架,无法进行购买...3秒后自动返回';
include(ROOT.'view/front/msg.html');
exit;
}
//修改商品数量
$car->changeNum($key,$value);
$AllGoods = $car->getAllGoods();
if(empty($AllGoods)){//如果购物车为空,返回首页
header("refresh:3;url=index.php");
$msg = '您的购物车里没有商品...3秒后自动跳转到商城首页';
include(ROOT.'view/front/msg.html');
exit;
}
if(!isset($AllGoods[$key]['num'])){
header("refresh:3;url=flow.php");
if($g['goods_name']){
$msg = '参数有误:购物车里没有此商品【'.$g['goods_name'].'】...3秒后自动返回';
}else{
$msg = '参数有误...3秒后自动返回';
}
include(ROOT.'view/front/msg.html');
exit;
}else{
if($AllGoods[$key]['num']<=0){
header("refresh:3;url=flow.php");
$msg = '【'.$g['goods_name'].'】商品的购买数量有误...3秒后自动返回';
include(ROOT.'view/front/msg.html');
exit;
}
}
//判断该商品库存够不够
if($AllGoods[$key]['num']>$g['goods_number']){
//库存不足
header("refresh:3;url=flow.php");
$msg = $g['goods_name'].'商品库存不足...3秒后自动返回';
include(ROOT.'view/front/msg.html');
exit;
}
}
}
}
//获取购物车里的商品的详细信息
$CarAllGoodsInfo = $goods->getCarGoodsInfo($AllGoods);
$totalamount = $car->getGoodsTotalAmount();
$markettotalamount = 0.0;
foreach($CarAllGoodsInfo as $value){
$markettotalamount += $value['market_price'] * $value['num'];
}
$discount = $markettotalamount-$totalamount;
if($markettotalamount!=0.0){
$per = round($discount/$markettotalamount*100,2);
}else{
$per = 0;
}
include(ROOT.'view/front/tijiao.html');
}elseif($act = 'done'){
$data = array();
$order = new OrderModel();
//获取购物车的所有商品,先提前获取了,万一提交订单成功的同时,SESSION被恶意清掉就麻烦了。
$AllGoods = $car->getAllGoods();
//自动过滤
$data = $order->_facade($_POST);
//自动填充
$data = $order->_autoFill($data);
//自动检验
if(!$order->_validate($data)){
$msg = implode('<br/>',$order->getErr());
include(ROOT.'view/front/msg.html');
exit;
}
//写入总金额
$order_amount = $data['order_amount'] = $car->getGoodsTotalAmount();
//写入用户id和用户名,从session读取
$data['user_id'] = $_SESSION['user_id'];
$data['username'] = $_SESSION['username'];
//创建订单号
$order_sn = $data['order_sn'] = $order->create_order_sn();
if(!$AllGoods){
header("refresh:3;url=index.php");
$msg = '您的购物车里没有商品...3秒后自动跳转到商城首页';
include(ROOT.'view/front/msg.html');
exit;
}else{
if(!$order->add($data)){
$msg = '订单提交失败';
$msg = $g['goods_name'].'商品库存不足...3秒后自动返回';
include(ROOT.'view/front/msg.html');
exit;
}
}
//获取刚刚产生的order_id
$order_id = $order->return_auto_increment();
//订单写入成功,接下来要写入订单商品
//然后把商品写入订单商品表
$ordergoods = new OrderGoodsModel();
$cnt = 0;
$change_goods_number = array();
foreach($AllGoods as $key=>$value){
//收集订单中所有商品的goods_id和购买数量,
//当整个订单写入成功时,同意减少库存,如果写入失败,则不减少库存。
$change_goods_number[$key] = $value['num'];
$data = array();
$data['order_id'] = $order_id;
$data['order_sn'] = $order_sn;
$data['goods_id'] = $key;
$data['goods_name'] = $value['goods_name'];
$data['goods_buy_num'] = $value['num'];
$data['shop_price'] = $value['shop_price'];
$data['subtotal'] = $value['shop_price']*$value['num'];
if($ordergoods->add($data)){
//插入成功 cnt+1
$cnt += 1;
//因为只有全部都插入成功了,才能算真正的成功
}
}
if(count($AllGoods) !== $cnt){//购物车里的商品没有全部入库成功
//撤销此订单
$order->del_order($order_id);
header("refresh:3;url=flow.php");
$msg = '订单提交失败...3秒后自动跳转到购物车页面';
include(ROOT.'view/front/msg.html');
exit;
}
//订单商品写入成功个,整个订单写入成功
//修改订单商品里的所有商品库存
$goods = new GoodsModel();
foreach($change_goods_number as $key=>$value){
$goods_id = $key;
$buy_num = $value;
$goods->changeGoodsNumber($goods_id,$buy_num);
}
//清空购物车
$car->clearCar();
include(ROOT.'view/front/order.html');
}
?>