团队名称 最强青铜 — 数据库设计

E—R图

数据字典

User（用户表）

Friends（好友表）

Mall（商城表）

Warehouse(仓库表)

Primary（主武器表）

Sub（副武器表）

Bomb（投掷武器表）

melee（近身武器表）

数据库表部分代码

/*
Navicat MySQL Data Transfer

Source Server : localhost_3306
Source Server Version : 50027
Source Host : localhost:3306
Source Database : game_demo

Target Server Type : MYSQL
Target Server Version : 50027
File Encoding : 65001

Date: 2017-11-27 22:22:55
*/

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `melee`
-- ----------------------------
DROP TABLE IF EXISTS `melee`;
CREATE TABLE `melee` (
`melee` varchar(15) character set utf8 NOT NULL,
`id` int(5) NOT NULL,
`名称` varchar(5) NOT NULL,
`伤害值` int(5) NOT NULL,
`价格` int(5) NOT NULL,
PRIMARY KEY (`melee`),
CONSTRAINT `melee_ibfk_1` FOREIGN KEY (`melee`) REFERENCES `warehouse` (`melee`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

-- ----------------------------
-- Records of melee
-- ----------------------------

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `primary`
-- ----------------------------
DROP TABLE IF EXISTS `primary`;
CREATE TABLE `primary` (
`primary_weapon` char(5) character set utf8 NOT NULL,
`id` int(5) NOT NULL,
`名称` varchar(5) NOT NULL,
`伤害值` int(5) NOT NULL,
`价格` int(5) NOT NULL,
PRIMARY KEY (`primary_weapon`),
CONSTRAINT `primary_ibfk_1` FOREIGN KEY (`primary_weapon`) REFERENCES `warehouse` (`primary_weapon`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

-- ----------------------------
-- Records of primary
-- ----------------------------

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `bomb`
-- ----------------------------
DROP TABLE IF EXISTS `bomb`;
CREATE TABLE `bomb` (
`bomb` varchar(15) character set utf8 NOT NULL,
`id` int(5) NOT NULL,
`名称` varchar(5) NOT NULL,
`伤害值` int(5) NOT NULL,
`价格` int(5) NOT NULL,
PRIMARY KEY (`bomb`),
CONSTRAINT `bomb_ibfk_1` FOREIGN KEY (`bomb`) REFERENCES `warehouse` (`bomb`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

-- ----------------------------
-- Records of bomb
-- ----------------------------

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `friend`
-- ----------------------------
DROP TABLE IF EXISTS `friend`;
CREATE TABLE `friend` (
`id` int(11) NOT NULL,
`id_friend` int(11) NOT NULL,
`name_friend` varchar(20) character set utf8 NOT NULL,
`sex_friend` char(1) character set utf8 NOT NULL,
PRIMARY KEY (`id`),
CONSTRAINT `user_friend` FOREIGN KEY (`id`) REFERENCES `user` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

-- ----------------------------
-- Records of friend
-- ----------------------------
INSERT INTO `friend` VALUES (‘1‘, ‘100‘, ‘李明100‘, ‘男‘);

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `log_ytt`
-- ----------------------------
DROP TABLE IF EXISTS `log_ytt`;
CREATE TABLE `log_ytt` (
`id` int(11) NOT NULL,
PRIMARY KEY (`id`),
CONSTRAINT `log_ytt_ibfk_1` FOREIGN KEY (`id`) REFERENCES `user` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

-- ----------------------------
-- Records of log_ytt
-- ----------------------------

SET FOREIGN_KEY_CHECKS=0;

-- ----------------------------
-- Table structure for `mall`
-- ----------------------------
DROP TABLE IF EXISTS `mall`;
CREATE TABLE `mall` (
`id` int(11) NOT NULL,
`武器id` int(5) NOT NULL,
`武器价格` int(5) NOT NULL,
PRIMARY KEY (`id`),
CONSTRAINT `mall_ibfk_1` FOREIGN KEY (`id`) REFERENCES `user` (`id`),
CONSTRAINT `mall_ibfk_2` FOREIGN KEY (`id`) REFERENCES `warehouse` (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;

-- ----------------------------
-- Records of mall
-- ----------------------------