JavaWeb项目开发案例精粹-第2章投票系统-001设计

1.项目结构
2.数据库设计
 1 # MySQL-Front 5.0  (Build 1.0)
 2 
 3 /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE */;
 4 /*!40101 SET SQL_MODE=\'STRICT_TRANS_TABLES,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION\' */;
 5 /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES */;
 6 /*!40103 SET SQL_NOTES=\'ON\' */;
 7 
 8 
 9 # Host: localhost    Database: db_votemanage
10 # ------------------------------------------------------
11 # Server version 5.0.67-community-nt
12 
13 DROP DATABASE IF EXISTS `db_votemanage`;
14 CREATE DATABASE `db_votemanage` /*!40100 DEFAULT CHARACTER SET gb2312 */;
15 USE `db_votemanage`;
16 
17 #
18 # Table structure for table tb_channel
19 #
20 
21 CREATE TABLE `tb_channel` (
22   `channelID` int(11) NOT NULL auto_increment,
23   `channelName` varchar(255) default NULL,
24   PRIMARY KEY  (`channelID`)
25 ) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=gb2312 COMMENT=\'投票频道表\';
26 INSERT INTO `tb_channel` VALUES (1,\'NBA\');
27 INSERT INTO `tb_channel` VALUES (2,\'CBA\');
28 INSERT INTO `tb_channel` VALUES (3,\'足球世界杯\');
29 INSERT INTO `tb_channel` VALUES (4,\'中超\');
30 INSERT INTO `tb_channel` VALUES (5,\'英超\');
31 INSERT INTO `tb_channel` VALUES (6,\'F1\');
32 
33 #
34 # Table structure for table tb_vote
35 #
36 
37 CREATE TABLE `tb_vote` (
38   `voteID` int(11) NOT NULL auto_increment,
39   `voteName` varchar(255) default NULL,
40   `channelID` int(11) default NULL,
41   PRIMARY KEY  (`voteID`),
42   KEY `channelID` (`channelID`)
43 ) ENGINE=InnoDB AUTO_INCREMENT=14 DEFAULT CHARSET=gb2312 COMMENT=\'投票表\';
44 INSERT INTO `tb_vote` VALUES (13,\'请选择你最喜欢的CBA球员\',2);
45 
46 #
47 # Table structure for table tb_voteoption
48 #
49 
50 CREATE TABLE `tb_voteoption` (
51   `voteOptionID` int(11) NOT NULL auto_increment,
52   `voteID` int(11) default NULL,
53   `voteOptionName` varchar(255) default NULL,
54   `ticketNum` int(11) default \'0\',
55   PRIMARY KEY  (`voteOptionID`),
56   KEY `voteID` (`voteID`)
57 ) ENGINE=InnoDB AUTO_INCREMENT=55 DEFAULT CHARSET=gb2312 COMMENT=\'投票选项表\';
58 INSERT INTO `tb_voteoption` VALUES (51,13,\'朱芳宇\',0);
59 INSERT INTO `tb_voteoption` VALUES (52,13,\'王治郅\',1);
60 INSERT INTO `tb_voteoption` VALUES (53,13,\'姚明\',0);
61 INSERT INTO `tb_voteoption` VALUES (54,13,\'易建联\',0);
62 
63 #
64 #  Foreign keys for table tb_vote
65 #
66 
67 ALTER TABLE `tb_vote`
68 ADD CONSTRAINT `tb_vote_ibfk_1` FOREIGN KEY (`channelID`) REFERENCES `tb_channel` (`channelID`);
69 
70 #
71 #  Foreign keys for table tb_voteoption
72 #
73 
74 ALTER TABLE `tb_voteoption`
75 ADD CONSTRAINT `tb_voteoption_ibfk_1` FOREIGN KEY (`voteID`) REFERENCES `tb_vote` (`voteID`);
76 
77 
78 /*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;
79 /*!40101 SET SQL_MODE=@OLD_SQL_MODE */;
3.运行效果