数据库表格设计
1. User
| Field | Type | extra | 
| id | int | primary key auto_increment | 
| student_id | varchar(16) | |
| name | varchar(16) | |
| password | varchar(16) | |
| varchar(256) | ||
| gender | enum('男','女','保密') | |
| age | int | |
| personal_credit | int | |
| profile | text |  | 
2. Court
| Field | Type | extra | 
| id | int | primary key auto_increment | 
| state | enum('空','忙') | |
| user_id | int | foreign key | 
3. Time
| Field | Type | extra | 
| id | int | primary key auto_increment | 
| startTime | time | |
| endTime | time | foreign key | 
4. Date
| Field | Type | extra | 
| id | int | primary key auto_increment | 
| date | date | 
5. Time_site
| Field | Type | extra | 
| id | int | primary key auto_increment | 
| T_id | int | foreign key(time表中的id) | 
| C_id | int | foreign key(site表中的id) | 
6. Data_time
| Field | Type | extra | 
| id | int | primary key auto_increment | 
| d_id | int | foreign key(date表中的id) | 
| t_id | int | foreign key(time表中的id) | 
 
                     
                    
                 
                    
                 
 
                
            
         
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浙公网安备 33010602011771号